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author | cvs2svn <> | 2000-08-28 17:45:57 +0000 |
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committer | cvs2svn <> | 2000-08-28 17:45:57 +0000 |
commit | 8ad728f6884cab228c9d1cb2c48f305ec0afdf1a (patch) | |
tree | 94553fe0df19d986421b8954d4c90892c5597c3e /winsup/cygwin/path.cc | |
parent | e0b0f635738c6bfce3bffe916ebf41908b4620fb (diff) | |
download | newlib-8ad728f6884cab228c9d1cb2c48f305ec0afdf1a.zip newlib-8ad728f6884cab228c9d1cb2c48f305ec0afdf1a.tar.gz newlib-8ad728f6884cab228c9d1cb2c48f305ec0afdf1a.tar.bz2 |
Sprout from master 2000-08-28 17:45:56 UTC Jeff Johnston <jjohnstn@redhat.com> ''
Delete:
COPYING
COPYING.LIB
ChangeLog
MAINTAINERS
Makefile.in
README
README-maintainer-mode
config-ml.in
config.guess
config.if
config.sub
config/ChangeLog
config/acinclude.m4
config/mh-a68bsd
config/mh-aix386
config/mh-apollo68
config/mh-armpic
config/mh-cxux
config/mh-cygwin
config/mh-decstation
config/mh-delta88
config/mh-dgux
config/mh-dgux386
config/mh-djgpp
config/mh-elfalphapic
config/mh-hp300
config/mh-hpux
config/mh-hpux8
config/mh-i370pic
config/mh-ia64pic
config/mh-interix
config/mh-irix4
config/mh-irix5
config/mh-irix6
config/mh-lynxos
config/mh-lynxrs6k
config/mh-m68kpic
config/mh-mingw32
config/mh-ncr3000
config/mh-ncrsvr43
config/mh-necv4
config/mh-openedition
config/mh-papic
config/mh-ppcpic
config/mh-riscos
config/mh-sco
config/mh-solaris
config/mh-sparcpic
config/mh-sun3
config/mh-sysv
config/mh-sysv4
config/mh-sysv5
config/mh-vaxult2
config/mh-x86pic
config/mpw-mh-mpw
config/mpw/ChangeLog
config/mpw/MoveIfChange
config/mpw/README
config/mpw/forward-include
config/mpw/g-mpw-make.sed
config/mpw/mpw-touch
config/mpw/mpw-true
config/mpw/null-command
config/mpw/open-brace
config/mpw/tr-7to8-src
config/mpw/true
config/mt-aix43
config/mt-armpic
config/mt-d30v
config/mt-elfalphapic
config/mt-i370pic
config/mt-ia64pic
config/mt-linux
config/mt-m68kpic
config/mt-netware
config/mt-ospace
config/mt-papic
config/mt-ppcpic
config/mt-sparcpic
config/mt-v810
config/mt-wince
config/mt-x86pic
configure
configure.in
djunpack.bat
etc/ChangeLog
etc/Makefile.in
etc/add-log.el
etc/add-log.vi
etc/configbuild.ein
etc/configbuild.fig
etc/configbuild.jin
etc/configbuild.tin
etc/configdev.ein
etc/configdev.fig
etc/configdev.jin
etc/configdev.tin
etc/configure
etc/configure.in
etc/configure.texi
etc/make-stds.texi
etc/standards.texi
include/COPYING
include/ChangeLog
include/MAINTAINERS
include/ansidecl.h
include/aout/ChangeLog
include/aout/adobe.h
include/aout/aout64.h
include/aout/ar.h
include/aout/dynix3.h
include/aout/encap.h
include/aout/host.h
include/aout/hp.h
include/aout/hp300hpux.h
include/aout/hppa.h
include/aout/ranlib.h
include/aout/reloc.h
include/aout/stab.def
include/aout/stab_gnu.h
include/aout/sun4.h
include/bfdlink.h
include/bin-bugs.h
include/bout.h
include/callback.h
include/coff/ChangeLog
include/coff/a29k.h
include/coff/alpha.h
include/coff/apollo.h
include/coff/arm.h
include/coff/aux-coff.h
include/coff/ecoff.h
include/coff/go32exe.h
include/coff/h8300.h
include/coff/h8500.h
include/coff/i386.h
include/coff/i860.h
include/coff/i960.h
include/coff/ia64.h
include/coff/internal.h
include/coff/m68k.h
include/coff/m88k.h
include/coff/mcore.h
include/coff/mips.h
include/coff/mipspe.h
include/coff/pe.h
include/coff/powerpc.h
include/coff/rs6000.h
include/coff/rs6k64.h
include/coff/sh.h
include/coff/sparc.h
include/coff/sym.h
include/coff/symconst.h
include/coff/ti.h
include/coff/tic30.h
include/coff/tic54x.h
include/coff/tic80.h
include/coff/w65.h
include/coff/we32k.h
include/coff/z8k.h
include/demangle.h
include/dis-asm.h
include/dyn-string.h
include/elf/ChangeLog
include/elf/alpha.h
include/elf/arc.h
include/elf/arm.h
include/elf/avr.h
include/elf/common.h
include/elf/cris.h
include/elf/d10v.h
include/elf/d30v.h
include/elf/dwarf.h
include/elf/dwarf2.h
include/elf/external.h
include/elf/fr30.h
include/elf/hppa.h
include/elf/i370.h
include/elf/i386.h
include/elf/i860.h
include/elf/i960.h
include/elf/ia64.h
include/elf/internal.h
include/elf/m32r.h
include/elf/m68hc11.h
include/elf/m68k.h
include/elf/mcore.h
include/elf/mips.h
include/elf/mn10200.h
include/elf/mn10300.h
include/elf/pj.h
include/elf/ppc.h
include/elf/reloc-macros.h
include/elf/sh.h
include/elf/sparc.h
include/elf/v850.h
include/filenames.h
include/floatformat.h
include/fnmatch.h
include/fopen-bin.h
include/fopen-same.h
include/fopen-vms.h
include/gdbm.h
include/getopt.h
include/hashtab.h
include/hp-symtab.h
include/ieee.h
include/libiberty.h
include/mpw/ChangeLog
include/mpw/README
include/mpw/dir.h
include/mpw/dirent.h
include/mpw/fcntl.h
include/mpw/grp.h
include/mpw/mpw.h
include/mpw/pwd.h
include/mpw/spin.h
include/mpw/stat.h
include/mpw/sys/file.h
include/mpw/sys/param.h
include/mpw/sys/resource.h
include/mpw/sys/stat.h
include/mpw/sys/time.h
include/mpw/sys/types.h
include/mpw/utime.h
include/mpw/varargs.h
include/nlm/ChangeLog
include/nlm/alpha-ext.h
include/nlm/common.h
include/nlm/external.h
include/nlm/i386-ext.h
include/nlm/internal.h
include/nlm/ppc-ext.h
include/nlm/sparc32-ext.h
include/oasys.h
include/objalloc.h
include/obstack.h
include/opcode/ChangeLog
include/opcode/a29k.h
include/opcode/alpha.h
include/opcode/arc.h
include/opcode/arm.h
include/opcode/avr.h
include/opcode/cgen.h
include/opcode/convex.h
include/opcode/cris.h
include/opcode/d10v.h
include/opcode/d30v.h
include/opcode/h8300.h
include/opcode/hppa.h
include/opcode/i370.h
include/opcode/i386.h
include/opcode/i860.h
include/opcode/i960.h
include/opcode/ia64.h
include/opcode/m68hc11.h
include/opcode/m68k.h
include/opcode/m88k.h
include/opcode/mips.h
include/opcode/mn10200.h
include/opcode/mn10300.h
include/opcode/np1.h
include/opcode/ns32k.h
include/opcode/pj.h
include/opcode/pn.h
include/opcode/ppc.h
include/opcode/pyr.h
include/opcode/sparc.h
include/opcode/tahoe.h
include/opcode/tic30.h
include/opcode/tic54x.h
include/opcode/tic80.h
include/opcode/v850.h
include/opcode/vax.h
include/os9k.h
include/partition.h
include/progress.h
include/regs/ChangeLog
include/remote-sim.h
include/sim-d10v.h
include/sort.h
include/splay-tree.h
include/symcat.h
install-sh
libgloss/ChangeLog
libgloss/Makefile.in
libgloss/README
libgloss/close.c
libgloss/config/default.mh
libgloss/config/default.mt
libgloss/config/dos.mh
libgloss/config/mips.mt
libgloss/config/mn10200.mt
libgloss/config/mn10300.mt
libgloss/config/ppc.mh
libgloss/configure
libgloss/configure.in
libgloss/d30v/Makefile.in
libgloss/d30v/configure
libgloss/d30v/configure.in
libgloss/d30v/crt0.S
libgloss/d30v/inbyte.c
libgloss/d30v/outbyte.c
libgloss/d30v/syscalls.c
libgloss/debug.c
libgloss/debug.h
libgloss/doc/Makefile.in
libgloss/doc/configure
libgloss/doc/configure.in
libgloss/doc/porting.texi
libgloss/fr30/Makefile.in
libgloss/fr30/configure
libgloss/fr30/configure.in
libgloss/fr30/crt0.s
libgloss/fr30/syscalls.c
libgloss/fstat.c
libgloss/getpid.c
libgloss/glue.h
libgloss/hp74x/Makefile.in
libgloss/hp74x/README
libgloss/hp74x/checksum.c
libgloss/hp74x/configure
libgloss/hp74x/configure.in
libgloss/hp74x/crt0.s
libgloss/hp74x/debugger.h
libgloss/hp74x/debugger.s
libgloss/hp74x/diagnose.h
libgloss/hp74x/hppa-defs.h
libgloss/hp74x/hppa.ld
libgloss/hp74x/io.c
libgloss/hp74x/iva_table.h
libgloss/hp74x/iva_table.s
libgloss/hp74x/pa_stub.c
libgloss/hp74x/test.c
libgloss/i386/Makefile.in
libgloss/i386/configure
libgloss/i386/configure.in
libgloss/i386/cygmon-crt0.S
libgloss/i386/cygmon-gmon.c
libgloss/i386/cygmon-gmon.h
libgloss/i386/cygmon-salib.c
libgloss/i386/cygmon-syscall.h
libgloss/i386/cygmon.ld
libgloss/i960/Makefile.in
libgloss/i960/asm.h
libgloss/i960/configure
libgloss/i960/configure.in
libgloss/i960/crt0.c
libgloss/i960/mon-read.c
libgloss/i960/mon-syscalls.S
libgloss/i960/mon-write.c
libgloss/i960/mon960.c
libgloss/i960/mon960.ld
libgloss/i960/syscall.h
libgloss/isatty.c
libgloss/kill.c
libgloss/libnosys/Makefile.in
libgloss/libnosys/acconfig.h
libgloss/libnosys/close.c
libgloss/libnosys/config.h.in
libgloss/libnosys/configure
libgloss/libnosys/configure.in
libgloss/libnosys/environ.c
libgloss/libnosys/execve.c
libgloss/libnosys/fork.c
libgloss/libnosys/fstat.c
libgloss/libnosys/getpid.c
libgloss/libnosys/gettod.c
libgloss/libnosys/isatty.c
libgloss/libnosys/kill.c
libgloss/libnosys/link.c
libgloss/libnosys/lseek.c
libgloss/libnosys/open.c
libgloss/libnosys/read.c
libgloss/libnosys/sbrk.c
libgloss/libnosys/stat.c
libgloss/libnosys/times.c
libgloss/libnosys/unlink.c
libgloss/libnosys/wait.c
libgloss/libnosys/warning.h
libgloss/libnosys/write.c
libgloss/lseek.c
libgloss/m32r/Makefile.in
libgloss/m32r/chmod.c
libgloss/m32r/close.c
libgloss/m32r/configure
libgloss/m32r/configure.in
libgloss/m32r/crt0.S
libgloss/m32r/eit.h
libgloss/m32r/eva-stub.ld
libgloss/m32r/eva.ld
libgloss/m32r/exit.c
libgloss/m32r/fstat.c
libgloss/m32r/getpid.c
libgloss/m32r/isatty.c
libgloss/m32r/kill.c
libgloss/m32r/lseek.c
libgloss/m32r/m32r-lib.c
libgloss/m32r/mon.specs
libgloss/m32r/open.c
libgloss/m32r/raise.c
libgloss/m32r/read.c
libgloss/m32r/sbrk.c
libgloss/m32r/stat.c
libgloss/m32r/trap0.S
libgloss/m32r/trapmon0.c
libgloss/m32r/unlink.c
libgloss/m32r/utime.c
libgloss/m32r/write.c
libgloss/m68k/Makefile.in
libgloss/m68k/README
libgloss/m68k/asm.h
libgloss/m68k/bcc.ld
libgloss/m68k/configure
libgloss/m68k/configure.in
libgloss/m68k/cpu32bug.S
libgloss/m68k/cpu32bug.h
libgloss/m68k/crt0.S
libgloss/m68k/dbug-exit.S
libgloss/m68k/dbug-inbyte.S
libgloss/m68k/dbug-outbyte.S
libgloss/m68k/dtor.C
libgloss/m68k/idp-inbyte.c
libgloss/m68k/idp-outbyte.c
libgloss/m68k/idp.ld
libgloss/m68k/leds.c
libgloss/m68k/leds.h
libgloss/m68k/mc68681reg.h
libgloss/m68k/mc68ec.c
libgloss/m68k/mvme-stub.c
libgloss/m68k/mvme.S
libgloss/m68k/mvme135-asm.S
libgloss/m68k/mvme135.ld
libgloss/m68k/mvme162.ld
libgloss/m68k/mvme162lx-asm.S
libgloss/m68k/sbc5204.ld
libgloss/m68k/sbc5206.ld
libgloss/m68k/test.c
libgloss/mcore/Makefile.in
libgloss/mcore/close.c
libgloss/mcore/cmb-exit.c
libgloss/mcore/cmb-inbyte.c
libgloss/mcore/cmb-outbyte.c
libgloss/mcore/configure
libgloss/mcore/configure.in
libgloss/mcore/crt0.S
libgloss/mcore/elf-cmb.ld
libgloss/mcore/elf-cmb.specs
libgloss/mcore/fstat.c
libgloss/mcore/getpid.c
libgloss/mcore/kill.c
libgloss/mcore/lseek.c
libgloss/mcore/open.c
libgloss/mcore/pe-cmb.ld
libgloss/mcore/pe-cmb.specs
libgloss/mcore/print.c
libgloss/mcore/putnum.c
libgloss/mcore/raise.c
libgloss/mcore/read.c
libgloss/mcore/sbrk.c
libgloss/mcore/stat.c
libgloss/mcore/syscalls.S
libgloss/mcore/unlink.c
libgloss/mcore/write.c
libgloss/mips/Makefile.in
libgloss/mips/array-io.c
libgloss/mips/array.ld
libgloss/mips/cma101.c
libgloss/mips/configure
libgloss/mips/configure.in
libgloss/mips/crt0.S
libgloss/mips/ddb.ld
libgloss/mips/dtor.C
libgloss/mips/dve.ld
libgloss/mips/dvemon.c
libgloss/mips/entry.S
libgloss/mips/idt.ld
libgloss/mips/idtecoff.ld
libgloss/mips/idtmon.S
libgloss/mips/jmr3904-io.c
libgloss/mips/jmr3904app-java.ld
libgloss/mips/jmr3904app.ld
libgloss/mips/jmr3904dram-java.ld
libgloss/mips/jmr3904dram.ld
libgloss/mips/lsi.ld
libgloss/mips/lsi33k-stub.c
libgloss/mips/lsi33k-stub.h
libgloss/mips/lsipmon.S
libgloss/mips/nullmon.c
libgloss/mips/nullmon.ld
libgloss/mips/pmon.S
libgloss/mips/pmon.ld
libgloss/mips/regs.S
libgloss/mips/syscalls.c
libgloss/mips/test.c
libgloss/mips/vr4300.S
libgloss/mips/vr5xxx.S
libgloss/mn10200/Makefile.in
libgloss/mn10200/_exit.c
libgloss/mn10200/access.c
libgloss/mn10200/chmod.c
libgloss/mn10200/chown.c
libgloss/mn10200/close.c
libgloss/mn10200/configure
libgloss/mn10200/configure.in
libgloss/mn10200/creat.c
libgloss/mn10200/crt0.S
libgloss/mn10200/crt1.c
libgloss/mn10200/eval.ld
libgloss/mn10200/execv.c
libgloss/mn10200/execve.c
libgloss/mn10200/fork.c
libgloss/mn10200/fstat.c
libgloss/mn10200/getpid.c
libgloss/mn10200/gettime.c
libgloss/mn10200/isatty.c
libgloss/mn10200/kill.c
libgloss/mn10200/lseek.c
libgloss/mn10200/open.c
libgloss/mn10200/pipe.c
libgloss/mn10200/read.c
libgloss/mn10200/sbrk.c
libgloss/mn10200/sim.ld
libgloss/mn10200/stat.c
libgloss/mn10200/test.c
libgloss/mn10200/time.c
libgloss/mn10200/times.c
libgloss/mn10200/trap.S
libgloss/mn10200/trap.h
libgloss/mn10200/unlink.c
libgloss/mn10200/utime.c
libgloss/mn10200/wait.c
libgloss/mn10200/write.c
libgloss/mn10300/Makefile.in
libgloss/mn10300/_exit.c
libgloss/mn10300/access.c
libgloss/mn10300/chmod.c
libgloss/mn10300/chown.c
libgloss/mn10300/close.c
libgloss/mn10300/configure
libgloss/mn10300/configure.in
libgloss/mn10300/creat.c
libgloss/mn10300/crt0-eval.S
libgloss/mn10300/crt0.S
libgloss/mn10300/crt1.c
libgloss/mn10300/eval.ld
libgloss/mn10300/execv.c
libgloss/mn10300/execve.c
libgloss/mn10300/fork.c
libgloss/mn10300/fstat.c
libgloss/mn10300/getpid.c
libgloss/mn10300/gettime.c
libgloss/mn10300/isatty.c
libgloss/mn10300/kill.c
libgloss/mn10300/lseek.c
libgloss/mn10300/open.c
libgloss/mn10300/pipe.c
libgloss/mn10300/read.c
libgloss/mn10300/sbrk.c
libgloss/mn10300/sim.ld
libgloss/mn10300/stat.c
libgloss/mn10300/test.c
libgloss/mn10300/time.c
libgloss/mn10300/times.c
libgloss/mn10300/trap.S
libgloss/mn10300/trap.h
libgloss/mn10300/unlink.c
libgloss/mn10300/utime.c
libgloss/mn10300/wait.c
libgloss/mn10300/write.c
libgloss/open.c
libgloss/pa/Makefile.in
libgloss/pa/README
libgloss/pa/configure
libgloss/pa/configure.in
libgloss/pa/crt0.S
libgloss/pa/hp-milli.s
libgloss/pa/op50n-io.S
libgloss/pa/op50n.h
libgloss/pa/op50n.ld
libgloss/pa/op50nled.c
libgloss/pa/setjmp.S
libgloss/pa/test.c
libgloss/pa/w89k-io.c
libgloss/pa/w89k.h
libgloss/pa/w89k.ld
libgloss/print.c
libgloss/putnum.c
libgloss/read.c
libgloss/rs6000/Makefile.in
libgloss/rs6000/ads-exit.S
libgloss/rs6000/ads-io.c
libgloss/rs6000/ads.ld
libgloss/rs6000/configure
libgloss/rs6000/configure.in
libgloss/rs6000/crt0.S
libgloss/rs6000/mbx-exit.c
libgloss/rs6000/mbx-inbyte.c
libgloss/rs6000/mbx-outbyte.c
libgloss/rs6000/mbx-print.c
libgloss/rs6000/mbx.ld
libgloss/rs6000/mbx.specs
libgloss/rs6000/mcount.S
libgloss/rs6000/mvme-errno.c
libgloss/rs6000/mvme-exit.S
libgloss/rs6000/mvme-inbyte.S
libgloss/rs6000/mvme-outbyte.S
libgloss/rs6000/mvme-print.c
libgloss/rs6000/mvme-read.c
libgloss/rs6000/sim-abort.c
libgloss/rs6000/sim-crt0.S
libgloss/rs6000/sim-errno.c
libgloss/rs6000/sim-inbyte.c
libgloss/rs6000/sim-print.c
libgloss/rs6000/sim-sbrk.c
libgloss/rs6000/simulator.S
libgloss/rs6000/sol-cfuncs.c
libgloss/rs6000/sol-syscall.S
libgloss/rs6000/test.c
libgloss/rs6000/yellowknife.ld
libgloss/sbrk.c
libgloss/sh/sh1lcevb.ld
libgloss/sh/sh2lcevb.ld
libgloss/sh/sh3bb.ld
libgloss/sh/sh3lcevb.ld
libgloss/sparc/Makefile.in
libgloss/sparc/asm.h
libgloss/sparc/cache.c
libgloss/sparc/configure
libgloss/sparc/configure.in
libgloss/sparc/crt0-701.S
libgloss/sparc/crt0.S
libgloss/sparc/cygmon-crt0.S
libgloss/sparc/cygmon-salib.c
libgloss/sparc/cygmon-sparc64-ld.src
libgloss/sparc/cygmon.ld.src
libgloss/sparc/dtor.C
libgloss/sparc/elfsim.ld
libgloss/sparc/erc32-crt0.S
libgloss/sparc/erc32-io.c
libgloss/sparc/erc32-stub.c
libgloss/sparc/erc32.ld
libgloss/sparc/ex930.ld
libgloss/sparc/ex931.ld
libgloss/sparc/ex934.ld
libgloss/sparc/fixctors.c
libgloss/sparc/libsys/Makefile.in
libgloss/sparc/libsys/_exit.S
libgloss/sparc/libsys/cerror.S
libgloss/sparc/libsys/configure
libgloss/sparc/libsys/configure.in
libgloss/sparc/libsys/isatty.c
libgloss/sparc/libsys/libsys-crt0.S
libgloss/sparc/libsys/sbrk.S
libgloss/sparc/libsys/syscall.h
libgloss/sparc/libsys/syscallasm.h
libgloss/sparc/libsys/template.S
libgloss/sparc/libsys/template_r.S
libgloss/sparc/salib-701.c
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winsup/w32api/include/olectl.h
winsup/w32api/include/olectlid.h
winsup/w32api/include/oledlg.h
winsup/w32api/include/oleidl.h
winsup/w32api/include/pbt.h
winsup/w32api/include/poppack.h
winsup/w32api/include/prsht.h
winsup/w32api/include/psapi.h
winsup/w32api/include/pshpack1.h
winsup/w32api/include/pshpack2.h
winsup/w32api/include/pshpack4.h
winsup/w32api/include/pshpack8.h
winsup/w32api/include/rapi.h
winsup/w32api/include/regstr.h
winsup/w32api/include/richedit.h
winsup/w32api/include/richole.h
winsup/w32api/include/rpc.h
winsup/w32api/include/rpcdce.h
winsup/w32api/include/rpcdce2.h
winsup/w32api/include/rpcdcep.h
winsup/w32api/include/rpcndr.h
winsup/w32api/include/rpcnsi.h
winsup/w32api/include/rpcnsip.h
winsup/w32api/include/rpcnterr.h
winsup/w32api/include/rpcproxy.h
winsup/w32api/include/scrnsave.h
winsup/w32api/include/shellapi.h
winsup/w32api/include/shlguid.h
winsup/w32api/include/shlobj.h
winsup/w32api/include/sql.h
winsup/w32api/include/sqlext.h
winsup/w32api/include/sqltypes.h
winsup/w32api/include/tlhelp32.h
winsup/w32api/include/unknwn.h
winsup/w32api/include/userenv.h
winsup/w32api/include/winbase.h
winsup/w32api/include/wincon.h
winsup/w32api/include/wincrypt.h
winsup/w32api/include/windef.h
winsup/w32api/include/windows.h
winsup/w32api/include/windowsx.h
winsup/w32api/include/winerror.h
winsup/w32api/include/wingdi.h
winsup/w32api/include/wininet.h
winsup/w32api/include/winioctl.h
winsup/w32api/include/winnetwk.h
winsup/w32api/include/winnls.h
winsup/w32api/include/winnt.h
winsup/w32api/include/winperf.h
winsup/w32api/include/winreg.h
winsup/w32api/include/winresrc.h
winsup/w32api/include/winsock.h
winsup/w32api/include/winsock2.h
winsup/w32api/include/winspool.h
winsup/w32api/include/winsvc.h
winsup/w32api/include/winuser.h
winsup/w32api/include/winver.h
winsup/w32api/include/wtypes.h
winsup/w32api/include/zmouse.h
winsup/w32api/install-sh
winsup/w32api/lib/Makefile.in
winsup/w32api/lib/advapi32.def
winsup/w32api/lib/cap.def
winsup/w32api/lib/comctl32.def
winsup/w32api/lib/comdlg32.def
winsup/w32api/lib/ctl3d32.def
winsup/w32api/lib/d3dim.def
winsup/w32api/lib/d3drm.def
winsup/w32api/lib/d3dxof.def
winsup/w32api/lib/ddraw.def
winsup/w32api/lib/dinput.c
winsup/w32api/lib/dinput.def
winsup/w32api/lib/dlcapi.def
winsup/w32api/lib/dplayx.def
winsup/w32api/lib/dsetup.def
winsup/w32api/lib/dsound.def
winsup/w32api/lib/dxguid.c
winsup/w32api/lib/gdi32.def
winsup/w32api/lib/glaux.def
winsup/w32api/lib/glu32.def
winsup/w32api/lib/glut.def
winsup/w32api/lib/glut32.def
winsup/w32api/lib/imagehlp.def
winsup/w32api/lib/imm32.def
winsup/w32api/lib/kernel32.def
winsup/w32api/lib/largeint.c
winsup/w32api/lib/lz32.def
winsup/w32api/lib/mapi32.def
winsup/w32api/lib/mfcuia32.def
winsup/w32api/lib/mgmtapi.def
winsup/w32api/lib/mpr.def
winsup/w32api/lib/msacm32.def
winsup/w32api/lib/mswsock.def
winsup/w32api/lib/nddeapi.def
winsup/w32api/lib/netapi32.def
winsup/w32api/lib/odbc32.def
winsup/w32api/lib/ole32.def
winsup/w32api/lib/oleaut32.def
winsup/w32api/lib/olecli32.def
winsup/w32api/lib/oledlg.def
winsup/w32api/lib/olepro32.def
winsup/w32api/lib/olesvr32.def
winsup/w32api/lib/opengl32.def
winsup/w32api/lib/penwin32.def
winsup/w32api/lib/pkpd32.def
winsup/w32api/lib/psapi.def
winsup/w32api/lib/rapi.def
winsup/w32api/lib/rasapi32.def
winsup/w32api/lib/res.rc
winsup/w32api/lib/rpcdce4.def
winsup/w32api/lib/rpcns4.def
winsup/w32api/lib/rpcrt4.def
winsup/w32api/lib/scrnsave.c
winsup/w32api/lib/shell32.c
winsup/w32api/lib/shell32.def
winsup/w32api/lib/svrapi.def
winsup/w32api/lib/tapi32.def
winsup/w32api/lib/test.c
winsup/w32api/lib/th32.def
winsup/w32api/lib/thunk32.def
winsup/w32api/lib/url.def
winsup/w32api/lib/user32.def
winsup/w32api/lib/userenv.def
winsup/w32api/lib/uuid.c
winsup/w32api/lib/vdmdbg.def
winsup/w32api/lib/version.def
winsup/w32api/lib/vfw32.def
winsup/w32api/lib/win32spl.def
winsup/w32api/lib/wininet.def
winsup/w32api/lib/winmm.def
winsup/w32api/lib/winspool.def
winsup/w32api/lib/winstrm.def
winsup/w32api/lib/wow32.def
winsup/w32api/lib/ws2_32.def
winsup/w32api/lib/wsock32.def
winsup/w32api/lib/wst.def
ylwrap
Diffstat (limited to 'winsup/cygwin/path.cc')
-rw-r--r-- | winsup/cygwin/path.cc | 3003 |
1 files changed, 0 insertions, 3003 deletions
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc deleted file mode 100644 index 48da8c4..0000000 --- a/winsup/cygwin/path.cc +++ /dev/null @@ -1,3003 +0,0 @@ -/* path.cc: path support. - - Copyright 1996, 1997, 1998, 1999, 2000 Cygnus Solutions. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -/* This module's job is to - - convert between POSIX and Win32 style filenames, - - support the `mount' functionality, - - support symlinks for files and directories - - Pathnames are handled as follows: - - - / is equivalent to \ - - Paths beginning with // (or \\) are not translated (i.e. looked - up in the mount table) and are assumed to be UNC path names. - - Paths containing a : are not translated (paths like - /foo/bar/baz:qux: don't make much sense but having the rule written - this way allows one to use strchr). - - The goal in the above set of rules is to allow both POSIX and Win32 - flavors of pathnames without either interfering. The rules are - intended to be as close to a superset of both as possible. - - A possible future enhancement would be to allow people to - disable/enable the mount table handling to support pure Win32 - pathnames. Hopefully this won't be needed. The suggested way to - do this would be an environment variable because - a) we need something that is inherited from parent to child, - b) environment variables can be passed from the DOS shell to a - cygwin app, - c) it allows disabling the feature on an app by app basis within - the same session (whereas playing about with the registry wouldn't - -- without getting too complicated). Example: - CYGWIN=pathrules[=@]{win32,posix}. If CYGWIN=pathrules=win32, - mount table handling is disabled. [The intent is to have CYGWIN be - a catchall for tweaking various cygwin.dll features]. - - Note that you can have more than one path to a file. The mount - table is always prefered when translating Win32 paths to POSIX - paths. Win32 paths in mount table entries may be UNC paths or - standard Win32 paths starting with <drive-letter>: - - Text vs Binary issues are not considered here in path style - decisions. - - / and \ are treated as equivalent. One or the other is prefered in - certain situations (e.g. / is preferred in result of getcwd, \ is - preferred in arguments to Win32 api calls), but this code will - translate as necessary. - - Apps wishing to translate to/from pure Win32 and POSIX-like - pathnames can use cygwin_foo. - - Removing mounted filesystem support would simplify things greatly, - but having it gives us a mechanism of treating disk that lives on a - UNIX machine as having UNIX semantics [it allows one to edit a text - file on that disk and not have cr's magically appear and perhaps - break apps running on UNIX boxes]. It also useful to be able to - layout a hierarchy without changing the underlying directories. - - The semantics of mounting file systems is not intended to precisely - follow normal UNIX systems. - - Each DOS drive is defined to have a current directory. Supporting - this would complicate things so for now things are defined so that - c: means c:\. -*/ - -#include "winsup.h" -#include <stdio.h> -#include <stdlib.h> -#include <sys/mount.h> -#include <mntent.h> -#include <fcntl.h> -#include <unistd.h> -#include <errno.h> -#include <ctype.h> -#include <winioctl.h> -#include "cygerrno.h" -#include "fhandler.h" -#include "path.h" -#include "thread.h" -#include "sync.h" -#include "sigproc.h" -#include "pinfo.h" - -static int normalize_win32_path (const char *cwd, const char *src, char *dst); -static char *getcwd_inner (char *buf, size_t ulen, int posix_p, int with_chroot); -static void slashify (const char *src, char *dst, int trailing_slash_p); -static void backslashify (const char *src, char *dst, int trailing_slash_p); -static int path_prefix_p_ (const char *path1, const char *path2, int len1); -static int get_cwd_win32 (); - -static NO_COPY const char escape_char = '^'; - -struct symlink_info -{ - char buf[3 + MAX_PATH * 3]; - char *known_suffix; - char *ext_here; - char *contents; - unsigned pflags; - DWORD fileattr; - int is_symlink; - int error; - symlink_info (): known_suffix (NULL), contents (buf + MAX_PATH + 1) {} - int check (const char *path, const suffix_info *suffixes); -}; - -/********************** Path Helper Functions *************************/ - -#define path_prefix_p(p1, p2, l1) \ - ((tolower(*(p1))==tolower(*(p2))) && \ - path_prefix_p_(p1, p2, l1)) - -#define SYMLINKATTR(x) \ - (((x) & (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_DIRECTORY)) == \ - FILE_ATTRIBUTE_SYSTEM) - -/* Return non-zero if PATH1 is a prefix of PATH2. - Both are assumed to be of the same path style and / vs \ usage. - Neither may be "". - LEN1 = strlen (PATH1). It's passed because often it's already known. - - Examples: - /foo/ is a prefix of /foo <-- may seem odd, but desired - /foo is a prefix of /foo/ - / is a prefix of /foo/bar - / is not a prefix of foo/bar - foo/ is a prefix foo/bar - /foo is not a prefix of /foobar -*/ - -/* Determine if path prefix matches current cygdrive */ -#define iscygdrive(path) \ - (path_prefix_p (cygwin_shared->mount.cygdrive, (path), cygwin_shared->mount.cygdrive_len)) - -#define iscygdrive_device(path) \ - (iscygdrive(path) && isalpha(path[cygwin_shared->mount.cygdrive_len]) && \ - (isdirsep(path[cygwin_shared->mount.cygdrive_len + 1]) || \ - !path[cygwin_shared->mount.cygdrive_len + 1])) - -/******************** Directory-related Support **************************/ - -/* Cache getcwd value. FIXME: We need a lock for these in order to - support multiple threads. */ - -#ifdef _MT_SAFE -#define cwd_win32 _reent_winsup()->_cwd_win32 -#define cwd_posix _reent_winsup()->_cwd_posix -#define cwd_hash _reent_winsup()->_cwd_hash -#else -static char *cwd_win32; -static char *cwd_posix; -static unsigned long cwd_hash; -#endif - -#define ischrootpath(path) \ - (myself->rootlen && \ - strncasematch (myself->root, path, myself->rootlen) && \ - (path[myself->rootlen] == '/' || path[myself->rootlen] == '\0')) - -static int -path_prefix_p_ (const char *path1, const char *path2, int len1) -{ - /* Handle case where PATH1 has trailing '/' and when it doesn't. */ - if (len1 > 0 && SLASH_P (path1[len1 - 1])) - len1--; - - if (len1 == 0) - return SLASH_P (path2[0]) && !SLASH_P (path2[1]); - - if (!strncasematch (path1, path2, len1)) - return 0; - - return SLASH_P (path2[len1]) || path2[len1] == 0 || path1[len1 - 1] == ':'; -} - -/* Convert an arbitrary path SRC to a pure Win32 path, suitable for - passing to Win32 API routines. - - If an error occurs, `error' is set to the errno value. - Otherwise it is set to 0. - - follow_mode values: - SYMLINK_FOLLOW - convert to PATH symlink points to - SYMLINK_NOFOLLOW - convert to PATH of symlink itself - SYMLINK_IGNORE - do not check PATH for symlinks - SYMLINK_CONTENTS - just return symlink contents -*/ - -void -path_conv::check (const char *src, unsigned opt, - const suffix_info *suffixes) -{ - /* This array is used when expanding symlinks. It is MAX_PATH * 2 - in length so that we can hold the expanded symlink plus a - trailer. */ - char path_buf[MAX_PATH]; - char path_copy[MAX_PATH]; - char tmp_buf[MAX_PATH]; - symlink_info sym; - - char *rel_path, *full_path; - - if (!(opt & PC_NULLEMPTY)) - error = 0; - else if ((error = check_null_empty_path (src))) - return; - - if (opt & PC_FULL) - rel_path = path_buf, full_path = this->path; - else - rel_path = this->path, full_path = path_buf; - - /* This loop handles symlink expansion. */ - int loop = 0; - path_flags = 0; - known_suffix = NULL; - fileattr = (DWORD) -1; - for (;;) - { - MALLOC_CHECK; - /* Must look up path in mount table, etc. */ - error = cygwin_shared->mount.conv_to_win32_path (src, rel_path, - full_path, - devn, unit, &path_flags); - MALLOC_CHECK; - if (error) - return; - if (devn != FH_BAD) - { - fileattr = 0; - return; - } - - /* Eat trailing slashes */ - char *tail = strchr (full_path, '\0'); - /* If path is only a drivename, Windows interprets it as - the current working directory on this drive instead of - the root dir which is what we want. So we need - the trailing backslash in this case. */ - while (tail > full_path + 3 && (*--tail == '\\')) - *tail = '\0'; - if (full_path[0] && full_path[1] == ':' && full_path[2] == '\0') - strcat (full_path, "\\"); - - if (opt & PC_SYM_IGNORE) - { - fileattr = GetFileAttributesA (path); - goto out; - } - - /* Make a copy of the path that we can munge up */ - strcpy (path_copy, full_path); - - tail = path_copy + 1 + (tail - full_path); // Point to end of copy - - /* Scan path_copy from right to left looking either for a symlink - or an actual existing file. If an existing file is found, just - return. If a symlink is found exit the for loop. - Also: be careful to preserve the errno returned from - symlink.check as the caller may need it. */ - /* FIXME: Do we have to worry about multiple \'s here? */ - int component = 0; // Number of translated components - sym.contents[0] = '\0'; - - for (;;) - { - const suffix_info *suff; - - /* Don't allow symlink.check to set anything in the path_conv - class if we're working on an inner component of the path */ - if (component) - { - suff = NULL; - sym.pflags = 0; - } - else - { - suff = suffixes; - sym.pflags = path_flags; - } - - int len = sym.check (path_copy, suff); - - if (!component) - path_flags = sym.pflags; - - /* If symlink.check found an existing non-symlink file, then - it sets the appropriate flag. It also sets any suffix found - into `ext_here'. */ - if (!sym.is_symlink && sym.fileattr != (DWORD) -1) - { - error = sym.error; - if (component == 0) - { - fileattr = sym.fileattr; - goto fillin; - } - goto out; // file found - } - /* Found a symlink if len > 0. If component == 0, then the - src path itself was a symlink. If !follow_mode then - we're done. Otherwise we have to insert the path found - into the full path that we are building and perform all of - these operations again on the newly derived path. */ - else if (len > 0) - { - if (component == 0 && !(opt & PC_SYM_FOLLOW)) - { - set_symlink (); // last component of path is a symlink. - fileattr = sym.fileattr; - if (opt & PC_SYM_CONTENTS) - strcpy (path, sym.contents); - goto fillin; - } - break; - } - - /* No existing file found. */ - - if (!(tail = strrchr (path_copy, '\\')) || - (tail > path_copy && tail[-1] == ':')) - goto out; // all done - - /* Haven't found a valid pathname component yet. - Pinch off the tail and try again. */ - *tail = '\0'; - component++; - } - - /* Arrive here if above loop detected a symlink. */ - if (++loop > MAX_LINK_DEPTH) - { - error = ELOOP; // Eep. - return; - } - MALLOC_CHECK; - - tail = full_path + (tail - path_copy); - int taillen = strlen (tail); - int buflen = strlen (sym.contents); - if (buflen + taillen > MAX_PATH) - { - error = ENAMETOOLONG; - strcpy (path, "::ENAMETOOLONG::"); - return; - } - - /* Copy tail of full_path to discovered symlink. */ - char *p; - for (p = sym.contents + buflen; *tail; tail++) - *p++ = *tail == '\\' ? '/' : *tail; - *p = '\0'; - - /* If symlink referred to an absolute path, then we - just use sym.contents and loop. Otherwise tack the head of - path_copy before sym.contents and translate it back from a - Win32-style path to a POSIX-style one. */ - if (isabspath (sym.contents)) - src = sym.contents; - else if (!(tail = strrchr (path_copy, '\\'))) - system_printf ("problem parsing %s - '%s'", src, full_path); - else - { - int headlen = 1 + tail - path_copy; - p = sym.contents - headlen; - memcpy (p, path_copy, headlen); - MALLOC_CHECK; - error = cygwin_shared->mount.conv_to_posix_path (p, tmp_buf, 1); - MALLOC_CHECK; - if (error) - return; - src = tmp_buf; - } - } - -fillin: - if (sym.known_suffix) - known_suffix = this->path + (sym.known_suffix - path_copy); - else if (sym.ext_here && !(opt & PC_SYM_CONTENTS)) - { - known_suffix = strchr (this->path, '\0'); - strcpy (known_suffix, sym.ext_here); - } - -out: - DWORD serial, volflags; - - strcpy (tmp_buf, full_path); - if (!rootdir (tmp_buf) || - !GetVolumeInformation (tmp_buf, NULL, 0, &serial, NULL, &volflags, NULL, 0)) - { - debug_printf ("GetVolumeInformation(%s) = ERR, full_path(%s), set_has_acls(FALSE)", - tmp_buf, full_path, GetLastError ()); - set_has_acls (FALSE); - } - else - { - debug_printf ("GetVolumeInformation(%s) = OK, full_path(%s), set_has_acls(%d)", - tmp_buf, full_path, volflags & FS_PERSISTENT_ACLS); - set_has_acls (volflags & FS_PERSISTENT_ACLS); - } -} - -#define deveq(s) (strcasematch (name, (s))) -#define deveqn(s, n) (strncasematch (name, (s), (n))) - -static __inline int -digits (const char *name) -{ - char *p; - int n = strtol(name, &p, 10); - - return p > name && !*p ? n : -1; -} - -const char *windows_device_names[] = -{ - NULL, - "\\dev\\console", - "conin", - "conout", - "\\dev\\ttym", - "\\dev\\tty%d", - "\\dev\\ptym", - "\\\\.\\com%d", - "\\dev\\pipe", - "\\dev\\piper", - "\\dev\\pipew", - "\\dev\\socket", - "\\dev\\windows", - - NULL, NULL, NULL, - - "\\dev\\disk", - "\\dev\\fd%d", - "\\dev\\st%d", - "nul", - "\\dev\\zero", - "\\dev\\%srandom", -}; - -static int -get_raw_device_number (const char *uxname, const char *w32path, int &unit) -{ - DWORD devn = FH_BAD; - - if (strncasematch (w32path, "\\\\.\\tape", 8)) - { - devn = FH_TAPE; - unit = digits (w32path + 8); - // norewind tape devices have leading n in name - if (strncasematch (uxname, "/dev/n", 6)) - unit += 128; - } - else if (isdrive (w32path + 4)) - { - devn = FH_FLOPPY; - unit = tolower (w32path[4]) - 'a'; - } - else if (strncasematch (w32path, "\\\\.\\physicaldrive", 17)) - { - devn = FH_FLOPPY; - unit = digits (w32path + 17) + 128; - } - return devn; -} - -int __stdcall -get_device_number (const char *name, int &unit, BOOL from_conv) -{ - DWORD devn = FH_BAD; - unit = 0; - - if ((*name == '/' && deveqn ("/dev/", 5)) || - (*name == '\\' && deveqn ("\\dev\\", 5))) - { - name += 5; - if (deveq ("tty")) - { - if (tty_attached (myself)) - { - unit = myself->ctty; - devn = FH_TTYS; - } - else if (myself->ctty > 0) - devn = FH_CONSOLE; - } - else if (deveqn ("tty", 3) && (unit = digits (name + 3)) >= 0) - devn = FH_TTYS; - else if (deveq ("ttym")) - devn = FH_TTYM; - else if (deveq ("ptmx")) - devn = FH_PTYM; - else if (deveq ("windows")) - devn = FH_WINDOWS; - else if (deveq ("conin")) - devn = FH_CONIN; - else if (deveq ("conout")) - devn = FH_CONOUT; - else if (deveq ("null")) - devn = FH_NULL; - else if (deveq ("zero")) - devn = FH_ZERO; - else if (deveq ("random") || deveq ("urandom")) - { - devn = FH_RANDOM; - unit = 8 + (deveqn ("u", 1) ? 1 : 0); /* Keep unit Linux conformant */ - } - else if (deveqn ("com", 3) && (unit = digits (name + 3)) >= 0) - devn = FH_SERIAL; - else if (deveq ("pipe") || deveq ("piper") || deveq ("pipew")) - devn = FH_PIPE; - else if (deveq ("tcp") || deveq ("udp") || deveq ("streamsocket") - || deveq ("dgsocket")) - devn = FH_SOCKET; - else if (! from_conv) - devn = get_raw_device_number (name - 5, - path_conv (name - 5, - PC_SYM_IGNORE).get_win32 (), - unit); - } - else if (deveqn ("com", 3) && (unit = digits (name + 3)) >= 0) - devn = FH_SERIAL; - - return devn; -} - -/* Return TRUE if src_path is a Win32 device name, filling out the device - name in win32_path */ - -static BOOL -win32_device_name (const char *src_path, char *win32_path, - DWORD &devn, int &unit) -{ - const char *devfmt; - - devn = get_device_number (src_path, unit, TRUE); - - if (devn == FH_BAD) - return FALSE; - - if ((devfmt = windows_device_names[FHDEVN (devn)]) == NULL) - return FALSE; - if (devn == FH_RANDOM) - __small_sprintf (win32_path, devfmt, unit == 8 ? "" : "u"); - else - __small_sprintf (win32_path, devfmt, unit); - return TRUE; -} - -/* Normalize a POSIX path. - \'s are converted to /'s in the process. - All duplicate /'s, except for 2 leading /'s, are deleted. - The result is 0 for success, or an errno error value. */ - -#define isslash(c) ((c) == '/') - -static int -normalize_posix_path (const char *cwd, const char *src, char *dst) -{ - const char *src_start = src; - char *dst_start = dst; - - syscall_printf ("cwd %s, src %s", cwd, src); - if (isdrive (src) || strpbrk (src, "\\:")) - { - cygwin_conv_to_full_posix_path (src, dst); - return 0; - } - if (!isslash (src[0])) - { - if (strlen (cwd) + 1 + strlen (src) >= MAX_PATH) - { - debug_printf ("ENAMETOOLONG = normalize_posix_path (%s)", src); - return ENAMETOOLONG; - } - strcpy (dst, cwd); - dst = strchr (dst, '\0'); - if (*src == '.') - { - if (dst == dst_start + 1) - dst--; - goto sawdot; - } - if (dst > dst_start && !isslash (dst[-1])) - *dst++ = '/'; - } - /* Two leading /'s? If so, preserve them. */ - else if (isslash (src[1])) - { - if (myself->rootlen) - { - debug_printf ("ENOENT = normalize_posix_path (%s)", src); - return ENOENT; - } - *dst++ = '/'; - *dst++ = '/'; - src += 2; - if (isslash (*src)) - { /* Starts with three or more slashes - reset. */ - dst = dst_start; - *dst++ = '/'; - src = src_start + 1; - } - } - /* Exactly one leading slash. Absolute path. Check for chroot. */ - else if (myself->rootlen) - { - strcpy (dst, myself->root); - dst += myself->rootlen; - } - - while (*src) - { - /* Strip runs of /'s. */ - if (!isslash (*src)) - *dst++ = *src++; - else - { - while (*++src) - { - while (isslash (*src)) - src++; - - if (*src != '.') - break; - - sawdot: - if (src[1] != '.') - { - if (!src[1] || !isslash (src[1])) - break; - } - else - { - if (src[2] && !isslash (src[2])) - break; - if (!ischrootpath (dst_start) || - dst - dst_start != (int) myself->rootlen) - while (dst > dst_start && !isslash (*--dst)) - continue; - src++; - } - } - - *dst++ = '/'; - } - } - - *dst = '\0'; - if (--dst > dst_start && isslash (*dst)) - *dst = '\0'; - - debug_printf ("%s = normalize_posix_path (%s)", dst_start, src_start); - return 0; -} - -/* Normalize a Win32 path. - /'s are converted to \'s in the process. - All duplicate \'s, except for 2 leading \'s, are deleted. - - The result is 0 for success, or an errno error value. - FIXME: A lot of this should be mergeable with the POSIX critter. */ -static int -normalize_win32_path (const char *cwd, const char *src, char *dst) -{ - const char *src_start = src; - char *dst_start = dst; - char *dst_root_start = dst; - - if (!SLASH_P (src[0]) && strchr (src, ':') == NULL) - { - if (strlen (cwd) + 1 + strlen (src) >= MAX_PATH) - { - debug_printf ("ENAMETOOLONG = normalize_win32_path (%s)", src); - return ENAMETOOLONG; - } - strcpy (dst, cwd); - dst += strlen (dst); - if (!*cwd || !SLASH_P (dst[-1])) - *dst++ = '\\'; - } - /* Two leading \'s? If so, preserve them. */ - else if (SLASH_P (src[0]) && SLASH_P (src[1])) - { - if (myself->rootlen) - { - debug_printf ("ENOENT = normalize_win32_path (%s)", src); - return ENOENT; - } - *dst++ = '\\'; - ++src; - } - /* If absolute path, care for chroot. */ - else if (SLASH_P (src[0]) && !SLASH_P (src[1]) && myself->rootlen) - { - strcpy (dst, myself->root); - char *c; - while ((c = strchr (dst, '/')) != NULL) - *c = '\\'; - dst += myself->rootlen; - dst_root_start = dst; - *dst++ = '\\'; - } - - while (*src) - { - /* Strip duplicate /'s. */ - if (SLASH_P (src[0]) && SLASH_P (src[1])) - src++; - /* Ignore "./". */ - else if (src[0] == '.' && SLASH_P (src[1]) - && (src == src_start || SLASH_P (src[-1]))) - { - src += 2; - } - - /* Backup if "..". */ - else if (src[0] == '.' && src[1] == '.' - /* dst must be greater than dst_start */ - && dst[-1] == '\\' - && (SLASH_P (src[2]) || src[2] == 0)) - { - /* Back up over /, but not if it's the first one. */ - if (dst > dst_root_start + 1) - dst--; - /* Now back up to the next /. */ - while (dst > dst_root_start + 1 && dst[-1] != '\\' && dst[-2] != ':') - dst--; - src += 2; - if (SLASH_P (*src)) - src++; - } - /* Otherwise, add char to result. */ - else - { - if (*src == '/') - *dst++ = '\\'; - else - *dst++ = *src; - ++src; - } - } - *dst = 0; - debug_printf ("%s = normalize_win32_path (%s)", dst_start, src_start); - return 0; -} - - -/* Various utilities. */ - -/* slashify: Convert all back slashes in src path to forward slashes - in dst path. Add a trailing slash to dst when trailing_slash_p arg - is set to 1. */ - -static void -slashify (const char *src, char *dst, int trailing_slash_p) -{ - const char *start = src; - - while (*src) - { - if (*src == '\\') - *dst++ = '/'; - else - *dst++ = *src; - ++src; - } - if (trailing_slash_p - && src > start - && !isdirsep (src[-1])) - *dst++ = '/'; - *dst++ = 0; -} - -/* backslashify: Convert all forward slashes in src path to back slashes - in dst path. Add a trailing slash to dst when trailing_slash_p arg - is set to 1. */ - -static void -backslashify (const char *src, char *dst, int trailing_slash_p) -{ - const char *start = src; - - while (*src) - { - if (*src == '/') - *dst++ = '\\'; - else - *dst++ = *src; - ++src; - } - if (trailing_slash_p - && src > start - && !isdirsep (src[-1])) - *dst++ = '\\'; - *dst++ = 0; -} - -/* nofinalslash: Remove trailing / and \ from SRC (except for the - first one). It is ok for src == dst. */ - -void __stdcall -nofinalslash (const char *src, char *dst) -{ - int len = strlen (src); - if (src != dst) - memcpy (dst, src, len + 1); - while (len > 1 && SLASH_P (dst[--len])) - dst[len] = '\0'; -} - -/* slash_drive_prefix_p: Return non-zero if PATH begins with - //<letter>. */ - -static int -slash_drive_prefix_p (const char *path) -{ - return (isdirsep(path[0]) - && isdirsep(path[1]) - && isalpha (path[2]) - && (path[3] == 0 || path[3] == '/')); -} - -/* slash_unc_prefix_p: Return non-zero if PATH begins with //UNC/SHARE */ - -int __stdcall -slash_unc_prefix_p (const char *path) -{ - char *p = NULL; - int ret = (isdirsep (path[0]) - && isdirsep (path[1]) - && isalpha (path[2]) - && path[3] != 0 - && !isdirsep (path[3]) - && ((p = strchr(&path[3], '/')) != NULL)); - if (!ret || p == NULL) - return ret; - return ret && isalnum (p[1]); -} - -/* conv_path_list: Convert a list of path names to/from Win32/POSIX. - - SRC is not a const char * because we temporarily modify it to ease - the implementation. - - I believe Win32 always has '.' in $PATH. POSIX obviously doesn't. - We certainly don't want to handle that here, but it is something for - the caller to think about. */ - -static void -conv_path_list (const char *src, char *dst, int to_posix_p) -{ - char *s; - char *d = dst; - char src_delim = to_posix_p ? ';' : ':'; - char dst_delim = to_posix_p ? ':' : ';'; - int (*conv_fn) (const char *, char *) = (to_posix_p - ? cygwin_conv_to_posix_path - : cygwin_conv_to_win32_path); - - do - { - s = strchr (src, src_delim); - if (s) - { - *s = 0; - (*conv_fn) (src[0] != 0 ? src : ".", d); - d += strlen (d); - *d++ = dst_delim; - *s = src_delim; - src = s + 1; - } - else - { - /* Last one. */ - (*conv_fn) (src[0] != 0 ? src : ".", d); - } - } - while (s != NULL); -} - -/************************* mount_info class ****************************/ - -/* init: Initialize the mount table. */ - -void -mount_info::init () -{ - nmounts = 0; - had_to_create_mount_areas = 0; - - /* Fetch the mount table and cygdrive-related information from - the registry. */ - from_registry (); -} - -/* conv_to_win32_path: Ensure src_path is a pure Win32 path and store - the result in win32_path. - - If win32_path != NULL, the relative path, if possible to keep, is - stored in win32_path. If the relative path isn't possible to keep, - the full path is stored. - - If full_win32_path != NULL, the full path is stored there. - - The result is zero for success, or an errno value. - - {,full_}win32_path must have sufficient space (i.e. MAX_PATH bytes). */ - -int -mount_info::conv_to_win32_path (const char *src_path, char *win32_path, - char *full_win32_path, DWORD &devn, int &unit, - unsigned *flags) -{ - int src_path_len = strlen (src_path); - int trailing_slash_p = (src_path_len > 1 - && SLASH_P (src_path[src_path_len - 1])); - MALLOC_CHECK; - int isrelpath; - unsigned dummy_flags; - - devn = FH_BAD; - unit = 0; - - if (!flags) - flags = &dummy_flags; - - *flags = 0; - debug_printf ("conv_to_win32_path (%s)", src_path); - - if (src_path_len >= MAX_PATH) - { - debug_printf ("ENAMETOOLONG = conv_to_win32_path (%s)", src_path); - return ENAMETOOLONG; - } - - int i, rc; - char *dst = NULL; - mount_item *mi = NULL; /* initialized to avoid compiler warning */ - char pathbuf[MAX_PATH]; - - char cwd[MAX_PATH]; - getcwd_inner (cwd, MAX_PATH, TRUE, 0); /* FIXME: check rc */ - - /* Determine where the destination should be placed. */ - if (full_win32_path != NULL) - dst = full_win32_path; - else if (win32_path != NULL) - dst = win32_path; - - if (dst == NULL) - goto out; /* Sanity check. */ - - /* An MS-DOS spec has either a : or a \. If this is found, short - circuit most of the rest of this function. */ - if (strpbrk (src_path, ":\\") != NULL) - { - debug_printf ("%s already win32", src_path); - rc = normalize_win32_path (cwd_win32, src_path, dst); - if (rc) - { - debug_printf ("normalize_win32_path failed, rc %d", rc); - return rc; - } - isrelpath = !isabspath (src_path); - *flags = set_flags_from_win32_path (dst); - if (myself->rootlen && dst[0] && dst[1] == ':') - { - char posix_path[MAX_PATH + 1]; - - rc = cygwin_shared->mount.conv_to_posix_path (dst, posix_path, 0); - if (rc) - { - debug_printf ("conv_to_posix_path failed, rc %d", rc); - return rc; - } - if (!ischrootpath (posix_path)) - { - debug_printf ("ischrootpath failed"); - return ENOENT; - } - } - goto fillin; - } - - /* Normalize the path, taking out ../../ stuff, we need to do this - so that we can move from one mounted directory to another with relative - stuff. - - eg mounting c:/foo /foo - d:/bar /bar - - cd /bar - ls ../foo - - should look in c:/foo, not d:/foo. - - We do this by first getting an absolute UNIX-style path and then - converting it to a DOS-style path, looking up the appropriate drive - in the mount table. */ - - /* No need to fetch cwd if path is absolute. */ - isrelpath = !isslash (*src_path); - - rc = normalize_posix_path (cwd, src_path, pathbuf); - - if (rc) - { - debug_printf ("%d = conv_to_win32_path (%s)", rc, src_path); - *flags = 0; - return rc; - } - - /* See if this is a cygwin "device" */ - if (win32_device_name (pathbuf, dst, devn, unit)) - { - *flags = MOUNT_BINARY; /* FIXME: Is this a sensible default for devices? */ - goto fillin; - } - - /* Check if the cygdrive prefix was specified. If so, just strip - off the prefix and transform it into an MS-DOS path. */ - MALLOC_CHECK; - if (iscygdrive_device (pathbuf)) - { - if (!cygdrive_win32_path (pathbuf, dst, trailing_slash_p)) - return ENOENT; - *flags = cygdrive_flags; - goto fillin; - } - - /* Check the mount table for prefix matches. */ - for (i = 0; i < nmounts; i++) - { - mi = mount + posix_sorted[i]; - if (path_prefix_p (mi->posix_path, pathbuf, mi->posix_pathlen)) - break; - } - - if (i >= nmounts) - { - if (slash_drive_prefix_p (pathbuf)) - slash_drive_to_win32_path (pathbuf, dst, trailing_slash_p); - else - backslashify (pathbuf, dst, trailing_slash_p); /* just convert */ - *flags = 0; - } - else - { - int n = mi->native_pathlen; - memcpy (dst, mi->native_path, n + 1); - char *p = pathbuf + mi->posix_pathlen; - if (!trailing_slash_p && !*p) - { - if (isdrive (dst) && !dst[2]) - dst[n++] = '\\'; - dst[n] = '\0'; - } - else - { - /* Do not add trailing \ to UNC device names like \\.\a: */ - if (*p != '/' && /* FIXME: this test seems wrong. */ - (strncmp (mi->native_path, "\\\\.\\", 4) != 0 || - strncmp (mi->native_path + 4, "UNC\\", 4) == 0)) - dst[n++] = '\\'; - strcpy (dst + n, p); - } - backslashify (dst, dst, trailing_slash_p); - *flags = mi->flags; - } - -fillin: - /* Compute relative path if asked to and able to. */ - unsigned cwdlen; - cwdlen = 0; /* avoid a (hopefully) bogus compiler warning */ - if (win32_path == NULL) - /* nothing to do */; - else if (isrelpath && - path_prefix_p (cwd_win32, dst, cwdlen = strlen (cwd_win32))) - { - size_t n = strlen (dst); - if (n < cwdlen) - strcpy (win32_path, dst); - else - { - if (n == cwdlen) - dst += cwdlen; - else - dst += isdirsep (cwd_win32[cwdlen - 1]) ? cwdlen : cwdlen + 1; - - memmove (win32_path, dst, strlen (dst) + 1); - if (!*win32_path) - { - strcpy (win32_path, "."); - if (trailing_slash_p) - strcat (win32_path, "\\"); - } - } - } - else if (win32_path != dst) - strcpy (win32_path, dst); - -out: - MALLOC_CHECK; - debug_printf ("%s(rel), %s(abs) %p(flags) = conv_to_win32_path (%s)", - win32_path, full_win32_path, *flags, - src_path); - return 0; -} - -/* Convert PATH (for which slash_drive_prefix_p returns 1) to WIN32 form. */ - -void -mount_info::slash_drive_to_win32_path (const char *path, char *buf, - int trailing_slash_p) -{ - buf[0] = path[2]; - buf[1] = ':'; - if (path[3] == '0') - strcpy (buf + 2, "\\"); - else - backslashify (path + 3, buf + 2, trailing_slash_p); -} - -/* cygdrive_posix_path: Build POSIX path used as the - mount point for cygdrives created when there is no other way to - obtain a POSIX path from a Win32 one. */ - -void -mount_info::cygdrive_posix_path (const char *src, char *dst, int trailing_slash_p) -{ - int len = cygdrive_len; - - memcpy (dst, cygdrive, len + 1); - - /* Now finish the path off with the drive letter to be used. - The cygdrive prefix always ends with a trailing slash so - the drive letter is added after the path. */ - dst[len++] = tolower (src[0]); - if (!src[2] || (SLASH_P (src[2]) && !src[3])) - dst[len++] = '\000'; - else - { - dst[len++] = '/'; - strcpy (dst + len, src + 3); - } - slashify (dst, dst, trailing_slash_p); -} - -int -mount_info::cygdrive_win32_path (const char *src, char *dst, int trailing_slash_p) -{ - const char *p = src + cygdrive_len; - if (!isalpha (*p) || (!isdirsep (p[1]) && p[1])) - return 0; - dst[0] = *p; - dst[1] = ':'; - strcpy (dst + 2, p + 1); - backslashify (dst, dst, trailing_slash_p || !dst[2]); - debug_printf ("src '%s', dst '%s'", src, dst); - return 1; -} - -/* conv_to_posix_path: Ensure src_path is a POSIX path. - - The result is zero for success, or an errno value. - posix_path must have sufficient space (i.e. MAX_PATH bytes). - If keep_rel_p is non-zero, relative paths stay that way. */ - -int -mount_info::conv_to_posix_path (const char *src_path, char *posix_path, - int keep_rel_p) -{ - int src_path_len = strlen (src_path); - int relative_path_p = !isabspath (src_path); - int trailing_slash_p; - - if (src_path_len <= 1) - trailing_slash_p = 0; - else - { - const char *lastchar = src_path + src_path_len - 1; - trailing_slash_p = SLASH_P (*lastchar) && lastchar[-1] != ':'; - } - - debug_printf ("conv_to_posix_path (%s, %s, %s)", src_path, - keep_rel_p ? "keep-rel" : "no-keep-rel", - trailing_slash_p ? "add-slash" : "no-add-slash"); - MALLOC_CHECK; - - if (src_path_len >= MAX_PATH) - { - debug_printf ("ENAMETOOLONG"); - return ENAMETOOLONG; - } - - /* FIXME: For now, if the path is relative and it's supposed to stay - that way, skip mount table processing. */ - - if (keep_rel_p && relative_path_p) - { - slashify (src_path, posix_path, 0); - debug_printf ("%s = conv_to_posix_path (%s)", posix_path, src_path); - return 0; - } - - char pathbuf[MAX_PATH]; - char cwd[MAX_PATH]; - - /* No need to fetch cwd if path is absolute. */ - if (relative_path_p) - getcwd_inner (cwd, MAX_PATH, 0, 0); /* FIXME: check rc */ - else - strcpy (cwd, "/"); /* some innocuous value */ - - int rc = normalize_win32_path (cwd, src_path, pathbuf); - if (rc != 0) - { - debug_printf ("%d = conv_to_posix_path (%s)", rc, src_path); - return rc; - } - - int pathbuflen = strlen (pathbuf); - for (int i = 0; i < nmounts; ++i) - { - mount_item &mi = mount[native_sorted[i]]; - if (! path_prefix_p (mi.native_path, pathbuf, mi.native_pathlen)) - continue; - - /* SRC_PATH is in the mount table. */ - int nextchar; - const char *p = pathbuf + mi.native_pathlen; - - if (!*p || !p[1]) - nextchar = 0; - else if (isdirsep (*p)) - nextchar = -1; - else - nextchar = 1; - - int addslash = nextchar > 0 ? 1 : 0; - if ((mi.posix_pathlen + (pathbuflen - mi.native_pathlen) + addslash) >= MAX_PATH) - return ENAMETOOLONG; - strcpy (posix_path, mi.posix_path); - if (addslash) - strcat (posix_path, "/"); - if (nextchar) - slashify (p, - posix_path + addslash + (mi.posix_pathlen == 1 ? 0 : mi.posix_pathlen), - trailing_slash_p); - goto out; - } - - /* Not in the database. This should [theoretically] only happen if either - the path begins with //, or / isn't mounted, or the path has a drive - letter not covered by the mount table. If it's a relative path then the - caller must want an absolute path (otherwise we would have returned - above). So we always return an absolute path at this point. */ - if (isdrive (pathbuf)) - cygdrive_posix_path (pathbuf, posix_path, trailing_slash_p); - else - { - /* The use of src_path and not pathbuf here is intentional. - We couldn't translate the path, so just ensure no \'s are present. */ - slashify (src_path, posix_path, trailing_slash_p); - } - -out: - debug_printf ("%s = conv_to_posix_path (%s)", posix_path, src_path); - MALLOC_CHECK; - return 0; -} - -/* Return flags associated with a mount point given the win32 path. */ - -unsigned -mount_info::set_flags_from_win32_path (const char *p) -{ - for (int i = 0; i < nmounts; i++) - { - mount_item &mi = mount[native_sorted[i]]; - if (path_prefix_p (mi.native_path, p, mi.native_pathlen)) - return mi.flags; - } - return 0; -} - -/* read_mounts: Given a specific regkey, read mounts from under its - key. */ - -void -mount_info::read_mounts (reg_key& r) -{ - char posix_path[MAX_PATH]; - HKEY key = r.get_key (); - DWORD i, posix_path_size; - int found_cygdrive = FALSE; - - /* Loop through subkeys */ - /* FIXME: we would like to not check MAX_MOUNTS but the heap in the - shared area is currently statically allocated so we can't have an - arbitrarily large number of mounts. */ - for (DWORD i = 0; ; i++) - { - char native_path[MAX_PATH]; - int mount_flags; - - posix_path_size = MAX_PATH; - /* FIXME: if maximum posix_path_size is 256, we're going to - run into problems if we ever try to store a mount point that's - over 256 but is under MAX_PATH! */ - LONG err = RegEnumKeyEx (key, i, posix_path, &posix_path_size, NULL, - NULL, NULL, NULL); - - if (err == ERROR_NO_MORE_ITEMS) - break; - else if (err != ERROR_SUCCESS) - { - debug_printf ("RegEnumKeyEx failed, error %d!\n", err); - break; - } - - if (iscygdrive (posix_path)) - { - found_cygdrive = TRUE; - continue; - } - - /* Get a reg_key based on i. */ - reg_key subkey = reg_key (key, KEY_READ, posix_path, NULL); - - /* Fetch info from the subkey. */ - subkey.get_string ("native", native_path, sizeof (native_path), ""); - mount_flags = subkey.get_int ("flags", 0); - - /* Add mount_item corresponding to registry mount point. */ - int res = cygwin_shared->mount.add_item (native_path, posix_path, mount_flags, FALSE); - if (res && get_errno () == EMFILE) - break; /* The number of entries exceeds MAX_MOUNTS */ - } - - if (!found_cygdrive) - return; - -loop: - for (i = 0; ;i++) - { - posix_path_size = MAX_PATH; - LONG err = RegEnumKeyEx (key, i, posix_path, &posix_path_size, NULL, - NULL, NULL, NULL); - - if (err != ERROR_SUCCESS) - break; - - if (iscygdrive (posix_path)) - { - /* This shouldn't be in the mount table. */ - (void) r.kill (posix_path); - goto loop; - } - } -} - -/* from_registry: Build the entire mount table from the registry. Also, - read in cygdrive-related information from its registry location. */ - -void -mount_info::from_registry () -{ - /* Use current mount areas if either user or system mount areas - already exist. Otherwise, import old mounts. */ - - reg_key r; - - /* Retrieve cygdrive-related information. */ - read_cygdrive_info_from_registry (); - - nmounts = 0; - - /* First read mounts from user's table. */ - read_mounts (r); - - /* Then read mounts from system-wide mount table. */ - reg_key r1 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - read_mounts (r1); - - /* If we had to create both user and system mount areas, import - old mounts. */ - if (had_to_create_mount_areas == 2) - import_v1_mounts (); -} - -/* add_reg_mount: Add mount item to registry. Return zero on success, - non-zero on failure. */ -/* FIXME: Need a mutex to avoid collisions with other tasks. */ - -int -mount_info::add_reg_mount (const char * native_path, const char * posix_path, unsigned mountflags) -{ - /* Add the mount to the right registry location, depending on - whether MOUNT_SYSTEM is set in the mount flags. */ - if (!(mountflags & MOUNT_SYSTEM)) /* current_user mount */ - { - /* reg_key for user mounts in HKEY_CURRENT_USER. */ - reg_key reg_user; - - /* Start by deleting existing mount if one exists. */ - reg_user.kill (posix_path); - - /* Create the new mount. */ - reg_key subkey = reg_key (reg_user.get_key (), - KEY_ALL_ACCESS, - posix_path, NULL); - subkey.set_string ("native", native_path); - subkey.set_int ("flags", mountflags); - } - else /* local_machine mount */ - { - /* reg_key for system mounts in HKEY_LOCAL_MACHINE. */ - reg_key reg_sys (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - - if (reg_sys.get_key () == INVALID_HANDLE_VALUE) - { - set_errno (EACCES); - return -1; - } - - /* Start by deleting existing mount if one exists. */ - reg_sys.kill (posix_path); - - /* Create the new mount. */ - reg_key subkey = reg_key (reg_sys.get_key (), - KEY_ALL_ACCESS, - posix_path, NULL); - subkey.set_string ("native", native_path); - subkey.set_int ("flags", mountflags); - } - - return 0; /* Success! */ -} - -/* del_reg_mount: delete mount item from registry indicated in flags. - Return zero on success, non-zero on failure.*/ -/* FIXME: Need a mutex to avoid collisions with other tasks. */ - -int -mount_info::del_reg_mount (const char * posix_path, unsigned flags) -{ - int killres; - - if ((flags & MOUNT_SYSTEM) == 0) /* Delete from user registry */ - { - reg_key reg_user (KEY_ALL_ACCESS, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, NULL); - killres = reg_user.kill (posix_path); - } - else /* Delete from system registry */ - { - reg_key reg_sys (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - - if (reg_sys.get_key () == INVALID_HANDLE_VALUE) - { - set_errno (EACCES); - return -1; - } - - killres = reg_sys.kill (posix_path); - } - - if (killres != ERROR_SUCCESS) - { - __seterrno_from_win_error (killres); - return -1; - } - - return 0; /* Success! */ -} - -/* read_cygdrive_info_from_registry: Read the default prefix and flags - to use when creating cygdrives from the special user registry - location used to store cygdrive information. */ - -void -mount_info::read_cygdrive_info_from_registry () -{ - /* reg_key for user path prefix in HKEY_CURRENT_USER. */ - reg_key r; - - if (r.get_string ("cygdrive prefix", cygdrive, sizeof (cygdrive), "") != 0) - { - /* Didn't find the user path prefix so check the system path prefix. */ - - /* reg_key for system path prefix in HKEY_LOCAL_MACHINE. */ - reg_key r2 (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - - if (r2.get_string ("cygdrive prefix", cygdrive, sizeof (cygdrive), "") != 0) - { - /* Didn't find either so write the default to the registry and use it. - NOTE: We are writing and using the user path prefix. */ - write_cygdrive_info_to_registry ("/cygdrive", MOUNT_AUTO); - } - else - { - /* Fetch system cygdrive_flags from registry; returns MOUNT_AUTO on - error. */ - cygdrive_flags = r2.get_int ("cygdrive flags", MOUNT_AUTO); - slashify (cygdrive, cygdrive, 1); - cygdrive_len = strlen(cygdrive); - } - } - else - { - /* Fetch user cygdrive_flags from registry; returns MOUNT_AUTO on - error. */ - cygdrive_flags = r.get_int ("cygdrive flags", MOUNT_AUTO); - slashify (cygdrive, cygdrive, 1); - cygdrive_len = strlen(cygdrive); - } -} - -/* write_cygdrive_info_to_registry: Write the default prefix and flags - to use when creating cygdrives to the special user registry - location used to store cygdrive information. */ - -int -mount_info::write_cygdrive_info_to_registry (const char *cygdrive_prefix, unsigned flags) -{ - /* Determine whether to modify user or system cygdrive path prefix. */ - HKEY top = (flags & MOUNT_SYSTEM) ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER; - - /* reg_key for user path prefix in HKEY_CURRENT_USER or system path prefix in - HKEY_LOCAL_MACHINE. */ - reg_key r (top, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - - /* Verify cygdrive prefix starts with a forward slash and if there's - another character, it's not a slash. */ - if ((cygdrive_prefix == NULL) || (*cygdrive_prefix == 0) || - (!isslash (cygdrive_prefix[0])) || - ((cygdrive_prefix[1] != '\0') && (isslash (cygdrive_prefix[1])))) - { - set_errno (EINVAL); - return -1; - } - - char hold_cygdrive_prefix[strlen (cygdrive_prefix) + 1]; - /* Ensure that there is never a final slash */ - nofinalslash (cygdrive_prefix, hold_cygdrive_prefix); - - r.set_string ("cygdrive prefix", hold_cygdrive_prefix); - r.set_int ("cygdrive flags", flags); - - /* This also needs to go in the in-memory copy of "cygdrive", but only if - appropriate: - 1. setting user path prefix, or - 2. overwriting (a previous) system path prefix */ - if ((flags & MOUNT_SYSTEM) == 0 || - (cygwin_shared->mount.cygdrive_flags & MOUNT_SYSTEM) != 0) - { - slashify (cygdrive_prefix, cygwin_shared->mount.cygdrive, 1); - cygwin_shared->mount.cygdrive_flags = flags; - cygwin_shared->mount.cygdrive_len = strlen(cygwin_shared->mount.cygdrive); - } - - return 0; -} - -int -mount_info::remove_cygdrive_info_from_registry (const char *cygdrive_prefix, unsigned flags) -{ - /* Determine whether to modify user or system cygdrive path prefix. */ - HKEY top = (flags & MOUNT_SYSTEM) ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER; - - /* reg_key for user path prefix in HKEY_CURRENT_USER or system path prefix in - HKEY_LOCAL_MACHINE. */ - reg_key r (top, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - - /* Delete cygdrive prefix and flags. */ - int res = r.killvalue ("cygdrive prefix"); - int res2 = r.killvalue ("cygdrive flags"); - - /* Reinitialize the cygdrive path prefix to reflect to removal from the - registry. */ - read_cygdrive_info_from_registry (); - - return (res != ERROR_SUCCESS) ? res : res2; -} - -int -mount_info::get_cygdrive_prefixes (char *user, char *system) -{ - /* Get the user path prefix from HKEY_CURRENT_USER. */ - reg_key r; - int res = r.get_string ("cygdrive prefix", user, MAX_PATH, ""); - - /* Get the system path prefix from HKEY_LOCAL_MACHINE. */ - reg_key r2 (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_REGISTRY_NAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - int res2 = r2.get_string ("cygdrive prefix", system, MAX_PATH, ""); - - return (res != ERROR_SUCCESS) ? res : res2; -} - -struct mntent * -mount_info::getmntent (int x) -{ - if (x < 0 || x >= nmounts) - return NULL; - - return mount[native_sorted[x]].getmntent (); -} - -static mount_item *mounts_for_sort; - -/* sort_by_posix_name: qsort callback to sort the mount entries. Sort - user mounts ahead of system mounts to the same POSIX path. */ -/* FIXME: should the user should be able to choose whether to - prefer user or system mounts??? */ -static int -sort_by_posix_name (const void *a, const void *b) -{ - mount_item *ap = mounts_for_sort + (*((int*) a)); - mount_item *bp = mounts_for_sort + (*((int*) b)); - - /* Base weighting on longest posix path first so that the most - obvious path will be chosen. */ - size_t alen = strlen (ap->posix_path); - size_t blen = strlen (bp->posix_path); - - int res = blen - alen; - - if (res) - return res; /* Path lengths differed */ - - /* The two paths were the same length, so just determine normal - lexical sorted order. */ - res = strcmp (ap->posix_path, bp->posix_path); - - if (res == 0) - { - /* need to select between user and system mount to same POSIX path */ - if ((bp->flags & MOUNT_SYSTEM) == 0) /* user mount */ - return 1; - else - return -1; - } - - return res; -} - -/* sort_by_native_name: qsort callback to sort the mount entries. Sort - user mounts ahead of system mounts to the same POSIX path. */ -/* FIXME: should the user should be able to choose whether to - prefer user or system mounts??? */ -static int -sort_by_native_name (const void *a, const void *b) -{ - mount_item *ap = mounts_for_sort + (*((int*) a)); - mount_item *bp = mounts_for_sort + (*((int*) b)); - - /* Base weighting on longest win32 path first so that the most - obvious path will be chosen. */ - size_t alen = strlen (ap->native_path); - size_t blen = strlen (bp->native_path); - - int res = blen - alen; - - if (res) - return res; /* Path lengths differed */ - - /* The two paths were the same length, so just determine normal - lexical sorted order. */ - res = strcmp (ap->native_path, bp->native_path); - - if (res == 0) - { - /* need to select between user and system mount to same POSIX path */ - if ((bp->flags & MOUNT_SYSTEM) == 0) /* user mount */ - return 1; - else - return -1; - } - - return res; -} - -void -mount_info::sort () -{ - for (int i = 0; i < nmounts; i++) - native_sorted[i] = posix_sorted[i] = i; - /* Sort them into reverse length order, otherwise we won't - be able to look for /foo in /. */ - mounts_for_sort = mount; /* ouch. */ - qsort (posix_sorted, nmounts, sizeof (posix_sorted[0]), sort_by_posix_name); - qsort (native_sorted, nmounts, sizeof (native_sorted[0]), sort_by_native_name); -} - -/* Add an entry to the mount table. - Returns 0 on success, -1 on failure and errno is set. - - This is where all argument validation is done. It may not make sense to - do this when called internally, but it's cleaner to keep it all here. */ - -int -mount_info::add_item (const char *native, const char *posix, unsigned mountflags, int reg_p) -{ - /* Something's wrong if either path is NULL or empty, or if it's - not a UNC or absolute path. */ - - if ((native == NULL) || (*native == 0) || - (posix == NULL) || (*posix == 0) || - (!slash_unc_prefix_p (native) && !isabspath (native))) - { - set_errno (EINVAL); - return -1; - } - - /* Make sure both paths do not end in /. */ - char nativetmp[MAX_PATH]; - char posixtmp[MAX_PATH]; - - if (slash_drive_prefix_p (native)) - slash_drive_to_win32_path (native, nativetmp, 0); - else - backslashify (native, nativetmp, 0); - nofinalslash (nativetmp, nativetmp); - - slashify (posix, posixtmp, 0); - nofinalslash (posixtmp, posixtmp); - - debug_printf ("%s[%s], %s[%s], %p", - native, nativetmp, posix, posixtmp, mountflags); - - /* Duplicate /'s in path are an error. */ - for (char *p = posixtmp + 1; *p; ++p) - { - if (p[-1] == '/' && p[0] == '/') - { - set_errno (EINVAL); - return -1; - } - } - - /* Write over an existing mount item with the same POSIX path if - it exists and is from the same registry area. */ - int i; - for (i = 0; i < nmounts; i++) - { - if (strcasematch (mount[i].posix_path, posixtmp) && - (mount[i].flags & MOUNT_SYSTEM) == (mountflags & MOUNT_SYSTEM)) - break; - } - - if (i == nmounts) - { - if (nmounts < MAX_MOUNTS) - i = nmounts++; - else - { - set_errno (EMFILE); - return -1; - } - } - - if (reg_p && add_reg_mount (nativetmp, posixtmp, mountflags)) - return -1; - - mount[i].init (nativetmp, posixtmp, mountflags); - sort (); - - return 0; -} - -/* Delete a mount table entry where path is either a Win32 or POSIX - path. Since the mount table is really just a table of aliases, - deleting / is ok (although running without a slash mount is - strongly discouraged because some programs may run erratically - without one). If MOUNT_SYSTEM is set in flags, remove from system - registry, otherwise remove the user registry mount. -*/ - -int -mount_info::del_item (const char *path, unsigned flags, int reg_p) -{ - char pathtmp[MAX_PATH]; - int posix_path_p = FALSE; - - /* Something's wrong if path is NULL or empty. */ - if (path == NULL || *path == 0 || !isabspath (path)) - { - set_errno (EINVAL); - return -1; - } - - if (slash_drive_prefix_p (path)) - slash_drive_to_win32_path (path, pathtmp, 0); - else if (slash_unc_prefix_p (path) || strpbrk (path, ":\\")) - backslashify (path, pathtmp, 0); - else - { - slashify (path, pathtmp, 0); - posix_path_p = TRUE; - } - nofinalslash (pathtmp, pathtmp); - - if (reg_p && posix_path_p && - del_reg_mount (pathtmp, flags) && - del_reg_mount (path, flags)) /* for old irregular entries */ - return -1; - - for (int i = 0; i < nmounts; i++) - { - int ent = native_sorted[i]; /* in the same order as getmntent() */ - if (((posix_path_p) - ? strcasematch (mount[ent].posix_path, pathtmp) - : strcasematch (mount[ent].native_path, pathtmp)) && - (mount[ent].flags & MOUNT_SYSTEM) == (flags & MOUNT_SYSTEM)) - { - if (!posix_path_p && - reg_p && del_reg_mount (mount[ent].posix_path, flags)) - return -1; - - nmounts--; /* One less mount table entry */ - /* Fill in the hole if not at the end of the table */ - if (ent < nmounts) - memmove (mount + ent, mount + ent + 1, - sizeof (mount[ent]) * (nmounts - ent)); - sort (); /* Resort the table */ - return 0; - } - } - set_errno (EINVAL); - return -1; -} - -/* read_v1_mounts: Given a reg_key to an old mount table registry area, - read in the mounts. The "which" arg contains zero if we're reading - the user area and MOUNT_SYSTEM if we're reading the system area. - This way we can store the mounts read in the appropriate place when - they are written back to the new registry layout. */ - -void -mount_info::read_v1_mounts (reg_key r, unsigned which) -{ - unsigned mountflags = 0; - - /* MAX_MOUNTS was 30 when we stopped using the v1 layout */ - for (int i = 0; i < 30; i++) - { - char key_name[10]; - char win32path[MAX_PATH]; - char unixpath[MAX_PATH]; - - __small_sprintf (key_name, "%02x", i); - - reg_key k (r.get_key (), KEY_ALL_ACCESS, key_name, NULL); - - /* The registry names are historical but useful so are left alone. */ - k.get_string ("native", win32path, sizeof (win32path), ""); - k.get_string ("unix", unixpath, sizeof (unixpath), ""); - - /* Does this entry contain something? */ - if (*win32path != 0) - { - mountflags = 0; - - if (k.get_int ("fbinary", 0)) - mountflags |= MOUNT_BINARY; - - /* Or in zero or MOUNT_SYSTEM depending on which table - we're reading. */ - mountflags |= which; - - int res = cygwin_shared->mount.add_item (win32path, unixpath, mountflags, TRUE); - if (res && get_errno () == EMFILE) - break; /* The number of entries exceeds MAX_MOUNTS */ - } - } -} - -/* import_v1_mounts: If v1 mounts are present, load them and write - the new entries to the new registry area. */ - -void -mount_info::import_v1_mounts () -{ - reg_key r (HKEY_CURRENT_USER, KEY_ALL_ACCESS, - "SOFTWARE", - "Cygnus Solutions", - "CYGWIN.DLL setup", - "b15.0", - "mounts", - NULL); - - nmounts = 0; - - /* First read mounts from user's table. */ - read_v1_mounts (r, 0); - - /* Then read mounts from system-wide mount table. */ - reg_key r1 (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, - "SOFTWARE", - "Cygnus Solutions", - "CYGWIN.DLL setup", - "b15.0", - "mounts", - NULL); - read_v1_mounts (r1, MOUNT_SYSTEM); -} - -/************************* mount_item class ****************************/ - -struct mntent * -mount_item::getmntent () -{ -#ifdef _MT_SAFE - struct mntent &ret=_reent_winsup()->_ret; -#else - static NO_COPY struct mntent ret; -#endif - - /* Pass back pointers to mount_info strings reserved for use by - getmntent rather than pointers to strings in the internal mount - table because the mount table might change, causing weird effects - from the getmntent user's point of view. */ - - strcpy (cygwin_shared->mount.mnt_fsname, native_path); - ret.mnt_fsname = cygwin_shared->mount.mnt_fsname; - strcpy (cygwin_shared->mount.mnt_dir, posix_path); - ret.mnt_dir = cygwin_shared->mount.mnt_dir; - - if (!(flags & MOUNT_SYSTEM)) /* user mount */ - strcpy (cygwin_shared->mount.mnt_type, (char *) "user"); - else /* system mount */ - strcpy (cygwin_shared->mount.mnt_type, (char *) "system"); - - if ((flags & MOUNT_AUTO)) /* cygdrive */ - strcat (cygwin_shared->mount.mnt_type, (char *) ",auto"); - - ret.mnt_type = cygwin_shared->mount.mnt_type; - - /* mnt_opts is a string that details mount params such as - binary or textmode, or exec. We don't print - `silent' here; it's a magic internal thing. */ - - if (! (flags & MOUNT_BINARY)) - strcpy (cygwin_shared->mount.mnt_opts, (char *) "textmode"); - else - strcpy (cygwin_shared->mount.mnt_opts, (char *) "binmode"); - - if (flags & MOUNT_CYGWIN_EXEC) - strcat (cygwin_shared->mount.mnt_opts, (char *) ",cygexec"); - else if (flags & MOUNT_EXEC) - strcat (cygwin_shared->mount.mnt_opts, (char *) ",exec"); - - - ret.mnt_opts = cygwin_shared->mount.mnt_opts; - - ret.mnt_freq = 1; - ret.mnt_passno = 1; - return &ret; -} - -/* Fill in the fields of a mount table entry. */ - -void -mount_item::init (const char *native, const char *posix, unsigned mountflags) -{ - strcpy ((char *) native_path, native); - strcpy ((char *) posix_path, posix); - - native_pathlen = strlen (native_path); - posix_pathlen = strlen (posix_path); - - flags = mountflags; -} - -/********************** Mount System Calls **************************/ - -/* Mount table system calls. - Note that these are exported to the application. */ - -/* mount: Add a mount to the mount table in memory and to the registry - that will cause paths under win32_path to be translated to paths - under posix_path. */ - -extern "C" -int -mount (const char *win32_path, const char *posix_path, unsigned flags) -{ - int res = -1; - - if (flags & MOUNT_AUTO) /* normal mount */ - { - /* When flags include MOUNT_AUTO, take this to mean that - we actually want to change the cygdrive prefix and flags - without actually mounting anything. */ - res = cygwin_shared->mount.write_cygdrive_info_to_registry (posix_path, flags); - win32_path = NULL; - } - else - { - if (iscygdrive (posix_path)) - { - set_errno (EINVAL); - return res; /* Don't try to add cygdrive prefix. */ - } - - res = cygwin_shared->mount.add_item (win32_path, posix_path, flags, TRUE); - } - - syscall_printf ("%d = mount (%s, %s, %p)", res, win32_path, posix_path, flags); - return res; -} - -/* umount: The standard umount call only has a path parameter. Since - it is not possible for this call to specify whether to remove the - mount from the user or global mount registry table, assume the user - table. */ - -extern "C" -int -umount (const char *path) -{ - return cygwin_umount (path, 0); -} - -/* cygwin_umount: This is like umount but takes an additional flags - parameter that specifies whether to umount from the user or system-wide - registry area. */ - -extern "C" -int -cygwin_umount (const char *path, unsigned flags) -{ - int res = -1; - - if (flags & MOUNT_AUTO) - { - /* When flags include MOUNT_AUTO, take this to mean that we actually want - to remove the cygdrive prefix and flags without actually unmounting - anything. */ - res = cygwin_shared->mount.remove_cygdrive_info_from_registry (path, flags); - } - else - { - res = cygwin_shared->mount.del_item (path, flags, TRUE); - } - - syscall_printf ("%d = cygwin_umount (%s, %d)", res, path, flags); - return res; -} - -#ifdef _MT_SAFE -#define iteration _reent_winsup()->_iteration -#else -static int iteration; -#endif - -extern "C" -FILE * -setmntent (const char *filep, const char *) -{ - iteration = 0; - return (FILE *) filep; -} - -extern "C" -struct mntent * -getmntent (FILE *) -{ - return cygwin_shared->mount.getmntent (iteration++); -} - -extern "C" -int -endmntent (FILE *) -{ - return 1; -} - -/********************** Symbolic Link Support **************************/ - -/* Create a symlink from FROMPATH to TOPATH. */ - -extern "C" -int -symlink (const char *topath, const char *frompath) -{ - HANDLE h; - int res = -1; - - path_conv win32_path (frompath, PC_SYM_NOFOLLOW); - if (win32_path.error) - { - set_errno (win32_path.error); - goto done; - } - - syscall_printf ("symlink (%s, %s)", topath, win32_path.get_win32 ()); - - if (topath[0] == 0) - { - set_errno (EINVAL); - goto done; - } - if (strlen (topath) >= MAX_PATH) - { - set_errno (ENAMETOOLONG); - goto done; - } - - if (win32_path.is_device () || - win32_path.file_attributes () != (DWORD) -1) - { - set_errno (EEXIST); - goto done; - } - - h = CreateFileA(win32_path.get_win32 (), GENERIC_WRITE, 0, &sec_none_nih, - CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0); - if (h == INVALID_HANDLE_VALUE) - __seterrno (); - else - { - char buf[sizeof (SYMLINK_COOKIE) + MAX_PATH + 10]; - - __small_sprintf (buf, "%s%s", SYMLINK_COOKIE, topath); - DWORD len = strlen (buf) + 1; - - /* Note that the terminating nul is written. */ - DWORD written; - if (!WriteFile (h, buf, len, &written, NULL) || written != len) - { - __seterrno (); - CloseHandle (h); - DeleteFileA (win32_path.get_win32 ()); - } - else - { - CloseHandle (h); - set_file_attribute (win32_path.has_acls (), - win32_path.get_win32 (), - S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO); - SetFileAttributesA (win32_path.get_win32 (), FILE_ATTRIBUTE_SYSTEM); - res = 0; - } - } - -done: - syscall_printf ("%d = symlink (%s, %s)", res, topath, frompath); - return res; -} - -static __inline char * -has_suffix (const char *path, const suffix_info *suffixes) -{ - char *ext = strrchr (path, '.'); - if (ext) - for (const suffix_info *ex = suffixes; ex->name != NULL; ex++) - if (strcasematch (ext, ex->name)) - return ext; - return NULL; -} - -static __inline__ int -next_suffix (char *ext_here, const suffix_info *&suffixes) -{ - if (!suffixes) - return 1; - - while (suffixes && suffixes->name) - if (!suffixes->addon) - suffixes++; - else - { - strcpy (ext_here, suffixes->name); - suffixes++; - return 1; - } - return 0; -} - -/* Check if PATH is a symlink. PATH must be a valid Win32 path name. - - If PATH is a symlink, put the value of the symlink--the file to - which it points--into BUF. The value stored in BUF is not - necessarily null terminated. BUFLEN is the length of BUF; only up - to BUFLEN characters will be stored in BUF. BUF may be NULL, in - which case nothing will be stored. - - Set *SYML if PATH is a symlink. - - Set *EXEC if PATH appears to be executable. This is an efficiency - hack because we sometimes have to open the file anyhow. *EXEC will - not be set for every executable file. - - Return -1 on error, 0 if PATH is not a symlink, or the length - stored into BUF if PATH is a symlink. */ - -int -symlink_info::check (const char *in_path, const suffix_info *suffixes) -{ - HANDLE h; - int res = 0; - char extbuf[MAX_PATH + 5]; - const char *path = in_path; - - if (!suffixes) - ext_here = NULL; - else if ((known_suffix = has_suffix (in_path, suffixes)) != NULL) - { - suffixes = NULL; - ext_here = NULL; - } - else - { - path = strcpy (extbuf, in_path); - ext_here = strchr (path, '\0'); - } - - is_symlink = TRUE; - - error = 0; - do - { - if (!next_suffix (ext_here, suffixes)) - break; - error = 0; - fileattr = GetFileAttributesA (path); - if (fileattr == (DWORD) -1) - { - /* The GetFileAttributesA call can fail for reasons that don't - matter, so we just return 0. For example, getting the - attributes of \\HOST will typically fail. */ - debug_printf ("GetFileAttributesA (%s) failed", path); - error = geterrno_from_win_error (GetLastError (), EACCES); - continue; - } - - /* Windows allows path\. even when `path' isn't a directory. - Detect this scenario and disallow it, since it is non-UNIX like. - FIXME: This code actually checks for things like foo/ and foo/.. - even though those usages have already been (erroneously?) eaten - by cygwin_shared->mount.conv_to_win32_path in path_conv::check. */ - - char *p = strrchr (path, '\\'); - if (p && !(fileattr & FILE_ATTRIBUTE_DIRECTORY) && - (*++p == '\0' || (*p == '.' && (*++p == '\0' || (*p == '.' && p[1] == '\0'))))) - { - debug_printf ("%s is a non-directory", path); - error = ENOTDIR; - goto file_not_symlink; - } - - /* A symlink will have the `system' file attribute. */ - /* Only files can be symlinks (which can be symlinks to directories). */ - if (!(pflags & PATH_SYMLINK) && !SYMLINKATTR (fileattr)) - goto file_not_symlink; - - /* Open the file. */ - - h = CreateFileA (path, GENERIC_READ, FILE_SHARE_READ, &sec_none_nih, OPEN_EXISTING, - FILE_ATTRIBUTE_NORMAL, 0); - res = -1; - if (h == INVALID_HANDLE_VALUE) - goto file_not_symlink; - else - { - char cookie_buf[sizeof (SYMLINK_COOKIE) - 1]; - DWORD got; - - if (! ReadFile (h, cookie_buf, sizeof (cookie_buf), &got, 0)) - error = EIO; - else if (got == sizeof (cookie_buf) - && memcmp (cookie_buf, SYMLINK_COOKIE, - sizeof (cookie_buf)) == 0) - { - /* It's a symlink. */ - pflags = PATH_SYMLINK; - - res = ReadFile (h, contents, MAX_PATH + 1, &got, 0); - if (!res) - error = EIO; - else - { - /* Versions prior to b16 stored several trailing - NULs with the path (to fill the path out to 1024 - chars). Current versions only store one trailing - NUL. The length returned is the path without - *any* trailing NULs. We also have to handle (or - at least not die from) corrupted paths. */ - if (memchr (contents, 0, got) != NULL) - res = strlen (contents); - else - res = got; - } - } - else if (got == sizeof (cookie_buf) - && memcmp (cookie_buf, SOCKET_COOKIE, - sizeof (cookie_buf)) == 0) - { - pflags |= PATH_SOCKET; - goto close_and_return; - } - else - { - /* Not a symlink, see if executable. */ - if (!(pflags & (PATH_EXEC | PATH_CYGWIN_EXEC)) && got >= 2 && - ((cookie_buf[0] == '#' && cookie_buf[1] == '!') || - (cookie_buf[0] == ':' && cookie_buf[1] == '\n'))) - pflags |= PATH_EXEC; - close_and_return: - CloseHandle (h); - goto file_not_symlink; - } - } - - CloseHandle (h); - break; - } - while (suffixes); - goto out; - -file_not_symlink: - is_symlink = FALSE; - syscall_printf ("not a symlink"); - res = 0; - -out: - syscall_printf ("%d = symlink.check (%s, %p) (%p)", - res, path, contents, pflags); - - return res; -} - -/* readlink system call */ - -extern "C" -int -readlink (const char *path, char *buf, int buflen) -{ - extern suffix_info stat_suffixes[]; - path_conv pathbuf (path, PC_SYM_CONTENTS, stat_suffixes); - - if (pathbuf.error) - { - set_errno (pathbuf.error); - syscall_printf ("-1 = readlink (%s, %p, %d)", path, buf, buflen); - return -1; - } - - if (!pathbuf.issymlink ()) - { - if (pathbuf.fileattr != (DWORD) -1) - set_errno (EINVAL); - return -1; - } - - int len = strlen (pathbuf.get_win32 ()); - if (len > (buflen - 1)) - { - set_errno (ENAMETOOLONG); - return -1; - } - memcpy (buf, pathbuf.get_win32 (), len); - buf[len] = '\0'; - - /* errno set by symlink.check if error */ - return len; -} - -/* Some programs rely on st_dev/st_ino being unique for each file. - Hash the path name and hope for the best. The hash arg is not - always initialized to zero since readdir needs to compute the - dirent ino_t based on a combination of the hash of the directory - done during the opendir call and the hash or the filename within - the directory. FIXME: Not bullet-proof. */ -/* Cygwin internal */ - -unsigned long __stdcall -hash_path_name (unsigned long hash, const char *name) -{ - if (!*name) - return hash; - - /* Perform some initial permutations on the pathname if this is - not "seeded" */ - if (!hash) - { - /* Simplistic handling of drives. If there is a drive specified, - make sure that the initial letter is upper case. If there is - no \ after the ':' assume access through the root directory - of that drive. - FIXME: Should really honor MS-Windows convention of using - the environment to track current directory on various drives. */ - if (name[1] == ':') - { - char *nn, *newname = (char *) alloca (strlen (name) + 2); - nn = strncpy (newname, name, 2); - if (islower (*nn)) - *newname = toupper (*nn); - *(nn += 2) = '\0'; - name += 2; - if (*name != '\\') - { - *nn = '\\'; - *++nn = '\0'; - } - strcpy (nn, name); - name = newname; - goto hashit; - } - - /* Fill out the hashed path name with the current working directory if - this is not an absolute path and there is no pre-specified hash value. - Otherwise the inodes same will differ depending on whether a file is - referenced with an absolute value or relatively. */ - - if (*name != '\\' && (cwd_win32 == NULL || - get_cwd_win32 ())) - { - hash = cwd_hash; - if (name[0] == '.' && name[1] == '\0') - return hash; - hash = hash_path_name (hash, "\\"); - } - } - -hashit: - /* Build up hash. Ignore single trailing slash or \a\b\ != \a\b or - \a\b\. but allow a single \ if that's all there is. */ - do - { - hash += *name + (*name << 17); - hash ^= hash >> 2; - } - while (*++name != '\0' && - !(*name == '\\' && (!name[1] || (name[1] == '.' && !name[2])))); - return hash; -} - -static int -get_cwd_win32 () -{ - DWORD dlen, len; - - for (dlen = 256; ; dlen *= 2) - { - cwd_win32 = (char *) realloc (cwd_win32, dlen + 2); - if ((len = GetCurrentDirectoryA (dlen, cwd_win32)) < dlen) - break; - } - - if (len == 0) - __seterrno (); - else - cwd_hash = hash_path_name (0, cwd_win32); - - return len; -} - -/* getcwd */ - -char * -getcwd_inner (char *buf, size_t ulen, int posix_p, int with_chroot) -{ - char *resbuf = NULL; - size_t len = ulen; - - if (cwd_win32 == NULL && !get_cwd_win32 ()) - return NULL; - - if (!posix_p) - { - if (strlen (cwd_win32) >= len) - set_errno (ERANGE); - else - { - strcpy (buf, cwd_win32); - resbuf = buf; - } - - syscall_printf ("%p (%s) = getcwd_inner (%p, %d, win32) (cached)", - resbuf, resbuf ? resbuf : "", buf, len); - return resbuf; - } - else if (cwd_posix != NULL) - { - debug_printf("myself->root: %s, cwd_posix: %s", myself->root, cwd_posix); - if (strlen (cwd_posix) >= len) - set_errno (ERANGE); - else if (with_chroot && ischrootpath(cwd_posix)) - { - strcpy (buf, cwd_posix + myself->rootlen); - if (!buf[0]) - strcpy (buf, "/"); - resbuf = buf; - } - else - { - strcpy (buf, cwd_posix); - resbuf = buf; - } - - syscall_printf ("%p (%s) = getcwd_inner (%p, %d, posix) (cached)", - resbuf, resbuf ? resbuf : "", buf, len); - return resbuf; - } - - /* posix_p required and cwd_posix == NULL */ - - char temp[MAX_PATH]; - - /* Turn from Win32 style to our style. */ - cygwin_shared->mount.conv_to_posix_path (cwd_win32, temp, 0); - - size_t tlen = strlen (temp); - - if (with_chroot && ischrootpath (temp)) - tlen -= myself->rootlen; - - cwd_posix = (char *) realloc ( - cwd_posix, tlen + 1); - if (cwd_posix != NULL) - if (with_chroot && ischrootpath (temp)) - { - strcpy (cwd_posix, temp + myself->rootlen); - if (!buf[0]) - strcpy (buf, "/"); - } - else - strcpy (cwd_posix, temp); - - if (tlen >= ulen) - { - /* len was too small */ - set_errno (ERANGE); - } - else - { - strcpy (buf, temp); - resbuf = buf; - } - - syscall_printf ("%p (%s) = getcwd_inner (%p, %d, %s)", - resbuf, resbuf ? resbuf : "", - buf, len, posix_p ? "posix" : "win32"); - return resbuf; -} - -char * -getcwd (char *buf, size_t ulen) -{ - char *res; - - if (buf == NULL || ulen == 0) - { - buf = (char *) alloca (MAX_PATH); - res = getcwd_inner (buf, MAX_PATH, 1, 1); - res = strdup (buf); - } - else - { - res = getcwd_inner (buf, ulen, 1, 1); - } - - return res; -} - -/* getwd: standards? */ -extern "C" -char * -getwd (char *buf) -{ - return getcwd (buf, MAX_PATH); -} - -/* chdir: POSIX 5.2.1.1 */ -extern "C" -int -chdir (const char *dir) -{ - syscall_printf ("dir %s", dir); - path_conv path (dir); - - if (path.error) - { - set_errno (path.error); - syscall_printf ("-1 = chdir (%s)", dir); - return -1; - } - - char *native_dir = path.get_win32 (); - - /* Check to see if path translates to something like C:. - If it does, append a \ to the native directory specification to - defeat the Windows 95 (i.e. MS-DOS) tendency of returning to - the last directory visited on the given drive. */ - if (isdrive (native_dir) && !native_dir[2]) - { - native_dir[2] = '\\'; - native_dir[3] = '\0'; - } - int res = SetCurrentDirectoryA (native_dir) ? 0 : -1; - if (res == -1) - __seterrno (); - else - { - /* Store new cache information */ - free (cwd_win32); - cwd_win32 = strdup (path); - - char pathbuf[MAX_PATH]; - (void) normalize_posix_path (cwd_posix, dir, pathbuf); - /* Look for trailing path component consisting entirely of dots. This - is needed only in case of chdir since Windows simply ignores count - of dots > 2 here instead of returning an error code. Counts of dots - <= 2 are already eliminated by normalize_posix_path. */ - char *last_slash = strrchr (pathbuf, '/'); - if (last_slash > pathbuf && strspn (last_slash + 1, ".") == strlen (last_slash + 1)) - *last_slash = '\0'; - free (cwd_posix); - cwd_posix = strdup (pathbuf); - } - - syscall_printf ("%d = chdir() cwd_posix '%s' native '%s'", res, cwd_posix, native_dir); - return res; -} - -/******************** Exported Path Routines *********************/ - -/* Cover functions to the path conversion routines. - These are exported to the world as cygwin_foo by cygwin.din. */ - -extern "C" -int -cygwin_conv_to_win32_path (const char *path, char *win32_path) -{ - path_conv p (path, PC_SYM_FOLLOW); - if (p.error) - { - set_errno (p.error); - return -1; - } - - strcpy (win32_path, p.get_win32 ()); - return 0; -} - -extern "C" -int -cygwin_conv_to_full_win32_path (const char *path, char *win32_path) -{ - path_conv p (path, PC_SYM_FOLLOW | PC_FULL); - if (p.error) - { - set_errno (p.error); - return -1; - } - - strcpy (win32_path, p.get_win32 ()); - return 0; -} - -/* This is exported to the world as cygwin_foo by cygwin.din. */ - -extern "C" -int -cygwin_conv_to_posix_path (const char *path, char *posix_path) -{ - if (check_null_empty_path_errno (path)) - return -1; - cygwin_shared->mount.conv_to_posix_path (path, posix_path, 1); - return 0; -} - -extern "C" -int -cygwin_conv_to_full_posix_path (const char *path, char *posix_path) -{ - if (check_null_empty_path_errno (path)) - return -1; - cygwin_shared->mount.conv_to_posix_path (path, posix_path, 0); - return 0; -} - -/* The realpath function is supported on some UNIX systems. */ - -extern "C" -char * -realpath (const char *path, char *resolved) -{ - int err; - - path_conv real_path (path, PC_SYM_FOLLOW | PC_FULL); - - if (real_path.error) - err = real_path.error; - else - { - err = cygwin_shared->mount.conv_to_posix_path (real_path.get_win32 (), resolved, 0); - if (err == 0) - return resolved; - } - - /* FIXME: on error, we are supposed to put the name of the path - component which could not be resolved into RESOLVED. */ - resolved[0] = '\0'; - - set_errno (err); - return NULL; -} - -/* Return non-zero if path is a POSIX path list. - This is exported to the world as cygwin_foo by cygwin.din. - -DOCTOOL-START -<sect1 id="add-func-cygwin-posix-path-list-p"> - <para>Rather than use a mode to say what the "proper" path list - format is, we allow any, and give apps the tools they need to - convert between the two. If a ';' is present in the path list it's - a Win32 path list. Otherwise, if the first path begins with - [letter]: (in which case it can be the only element since if it - wasn't a ';' would be present) it's a Win32 path list. Otherwise, - it's a POSIX path list.</para> -</sect1> -DOCTOOL-END - */ - -extern "C" -int -cygwin_posix_path_list_p (const char *path) -{ - int posix_p = ! (strchr (path, ';') || isdrive (path)); - return posix_p; -} - -/* These are used for apps that need to convert env vars like PATH back and - forth. The conversion is a two step process. First, an upper bound on the - size of the buffer needed is computed. Then the conversion is done. This - allows the caller to use alloca if it wants. */ - -static int -conv_path_list_buf_size (const char *path_list, int to_posix_p) -{ - int i, num_elms, max_mount_path_len, size; - const char *p; - - /* The theory is that an upper bound is - current_size + (num_elms * max_mount_path_len) */ - - char delim = to_posix_p ? ';' : ':'; - p = path_list; - for (num_elms = 1; (p = strchr (p, delim)) != NULL; ++num_elms) - ++p; - - /* 7: strlen ("//c") + slop, a conservative initial value */ - for (max_mount_path_len = 7, i = 0; i < cygwin_shared->mount.nmounts; ++i) - { - int mount_len = (to_posix_p - ? cygwin_shared->mount.mount[i].posix_pathlen - : cygwin_shared->mount.mount[i].native_pathlen); - if (max_mount_path_len < mount_len) - max_mount_path_len = mount_len; - } - - /* 100: slop */ - size = strlen (path_list) + (num_elms * max_mount_path_len) + 100; - return size; -} - -extern "C" -int -cygwin_win32_to_posix_path_list_buf_size (const char *path_list) -{ - return conv_path_list_buf_size (path_list, 1); -} - -extern "C" -int -cygwin_posix_to_win32_path_list_buf_size (const char *path_list) -{ - return conv_path_list_buf_size (path_list, 0); -} - -extern "C" -int -cygwin_win32_to_posix_path_list (const char *win32, char *posix) -{ - conv_path_list (win32, posix, 1); - return 0; -} - -extern "C" -int -cygwin_posix_to_win32_path_list (const char *posix, char *win32) -{ - conv_path_list (posix, win32, 0); - return 0; -} - -/* cygwin_split_path: Split a path into directory and file name parts. - Buffers DIR and FILE are assumed to be big enough. - - Examples (path -> `dir' / `file'): - / -> `/' / `' - "" -> `.' / `' - . -> `.' / `.' (FIXME: should this be `.' / `'?) - .. -> `.' / `..' (FIXME: should this be `..' / `'?) - foo -> `.' / `foo' - foo/bar -> `foo' / `bar' - foo/bar/ -> `foo' / `bar' - /foo -> `/' / `foo' - /foo/bar -> `/foo' / `bar' - c: -> `c:/' / `' - c:/ -> `c:/' / `' - c:foo -> `c:/' / `foo' - c:/foo -> `c:/' / `foo' - */ - -extern "C" -void -cygwin_split_path (const char *path, char *dir, char *file) -{ - int dir_started_p = 0; - - /* Deal with drives. - Remember that c:foo <==> c:/foo. */ - if (isdrive (path)) - { - *dir++ = *path++; - *dir++ = *path++; - *dir++ = '/'; - if (! *path) - { - *dir = 0; - *file = 0; - return; - } - if (SLASH_P (*path)) - ++path; - dir_started_p = 1; - } - - /* Determine if there are trailing slashes and "delete" them if present. - We pretend as if they don't exist. */ - const char *end = path + strlen (path); - /* path + 1: keep leading slash. */ - while (end > path + 1 && SLASH_P (end[-1])) - --end; - - /* At this point, END points to one beyond the last character - (with trailing slashes "deleted"). */ - - /* Point LAST_SLASH at the last slash (duh...). */ - const char *last_slash; - for (last_slash = end - 1; last_slash >= path; --last_slash) - if (SLASH_P (*last_slash)) - break; - - if (last_slash == path) - { - *dir++ = '/'; - *dir = 0; - } - else if (last_slash > path) - { - memcpy (dir, path, last_slash - path); - dir[last_slash - path] = 0; - } - else - { - if (dir_started_p) - ; /* nothing to do */ - else - *dir++ = '.'; - *dir = 0; - } - - memcpy (file, last_slash + 1, end - last_slash - 1); - file[end - last_slash - 1] = 0; -} - -/********************** String Helper Functions ************************/ - -#define CHXOR ('a' ^ 'A') -#define ch_case_eq(ch1, ch2) \ - ({ \ - unsigned char x; \ - !((x = ((unsigned char)ch1 ^ (unsigned char)ch2)) && \ - (x != CHXOR || !isalpha (ch1))); \ - }) - -/* Return TRUE if two strings match up to length n */ -int __stdcall -strncasematch (const char *s1, const char *s2, size_t n) -{ - if (s1 == s2) - return 1; - - n++; - while (--n && *s1) - { - if (!ch_case_eq (*s1, *s2)) - return 0; - s1++; s2++; - } - return !n || *s2 == '\0'; -} - -/* Return TRUE if two strings match */ -int __stdcall -strcasematch (const char *s1, const char *s2) -{ - if (s1 == s2) - return 1; - - while (*s1) - { - if (!ch_case_eq (*s1, *s2)) - return 0; - s1++; s2++; - } - return *s2 == '\0'; -} - -char * __stdcall -strcasestr (const char *searchee, const char *lookfor) -{ - if (*searchee == 0) - { - if (*lookfor) - return NULL; - return (char *) searchee; - } - - while (*searchee) - { - int i = 0; - while (1) - { - if (lookfor[i] == 0) - return (char *) searchee; - - if (!ch_case_eq (lookfor[i], searchee[i])) - break; - lookfor++; - } - searchee++; - } - - return NULL; -} - -int __stdcall -check_null_empty_path (const char *name) -{ - MEMORY_BASIC_INFORMATION m; - if (!name || !VirtualQuery (name, &m, sizeof (m)) || (m.State != MEM_COMMIT)) - return EFAULT; - - if (!*name) - return ENOENT; - - return 0; -} |