Update.cvs/libc-ud-971222

1997-12-22 18:10  Ulrich Drepper  <drepper@cygnus.com>

	* configure.in: Stop with error if --disable-static is used when
	the shared lib uses this library.

	* gen-FAQ.pl: I've perl installed in /usr/bin.

	* include/bits/xopen_lim.h (STREAM_MAX): Define using FOPEN_MAX.

	Fix Unix98 conformance problems in the headers.
	* catgets/nl_types.h: Define nl_item.
	* grp/grp.h: Define gid_t.
	* include/features.h [_POSIX_C_SOURCE]: Don't define _XOPEN_SOURCE.
	* include/nl_types.h: New file.
	* include/ulimit.h: New file.
	* io/fcntl.h: Include sys/stat.h for Unix98.  Don't define locking
	constants in POSIX mode.
	* io/utime.h: Get definition for time_t.
	* io/sys/stat.h: Define dev_t, gid_t, ino_t, mode_t, nlink_t, off_t,
	uid_t, pid_t.  Define D_IFLNK and S_IFSOCK only if !__USE_UNIX98.
	* libio/stdio.h: Define va_list.  Make snprintf also available is
	__USE_UNIX98.  Declare getopt function and variables.
	* locale/langinfo.h: Include nl_types.h.  Don't define nl_item.
	Define CODESET, CRNCYSTR, RADIXCHAR and THOUSEP as aliases.
	* math/math.h: Defined M_* constants as double for Unix98 mode.
	* posix/fnmatch.h: Pretty print.  Define FNM_NOSYS.
	* posix/glob.h: Pretty print.  Define GLOB_NOSYS.
	* posix/regex.h: Define REG_NOSYS.
	* posix/wordexp.h: Define WRDE_NOSYS.
	* posix/unistd.h: Define _POSIX2_VERSION.  Define _XOPEN_VERSION to
	500 for Unix98.
	* posix/sys/types.h: Alloc dev_t, mode_t, nlink_t to be defined
	somewhere else as well.  Define clock_t for Unix98.
	* posix/sys/wait.h: Define pid_t.
	* pwd/pwd.h: Define gid_t, uid_t.
	* resource/Makefile (headers): Add ulimit.h.
	* resource/ulimit.h: New file.
	* sysdeps/generic/ulimit.c: Define according to X/Open using varargs
	instead of second argument.
	* sysdeps/unix/bsd/ulimit.c: Likewise.  Use UL_* constants.
	* sysdeps/unix/sysv/linux/ulimit.c: Likewise.
	* resource/sys/resource.h: Don't declare ulimit here, include ulimit.h.
	* signal/signal.h: Define pid_t.
	* string/string.h: Don't declare BSD string functions in POSIX mode.
	* sysdeps/generic/bits/confname.h: Define _PC_VDISABLE.  Add
	_SC_XOPEN_LEGACY, _SC_XOPEN_REALTIME and _SC_XOPEN_REALTIME_THREADS.
	* sysdeps/unix/sysv/linux/bits/termios.h: Clean namespace for Unix98
	and POSIX.

	* inet/test_ifindex.c: Change test so that it does not fail for
	interface aliases.

	* locale/programs/locale.c (show_info): Use correct cast sequence
	for 64bit machines.

	* malloc/malloc.c: __malloc_initialized now signals three states:
	uninitialized, initializing, initialized.  Used in mcheck.
	* malloc/mcheck.c (mabort): Add '\n' to messages.
	(mcheck): Allow installation when malloc is uninitialized or is
	just initializing.

	* manual/memory.texi: Explain mtrace output a bit more.

	* math/libm-test.c: Add more epsilons.

	* misc/regexp.h (compile): Remove __ prefix from parameter names.

	* nis/nss_nis/nis-ethers.c (internal_nis_getetherent_r): Use strncpy
	instead of strcpy for security.
	* nis/nss_nis/nis-proto.c (internal_nis_getprotoent_r): Likewise.
	* nis/nss_nis/nis-rpc.c (internal_nis_getrpcent_r): Likewise.
	* nis/nss_nis/nis-service.c (internal_nis_getservent_r): Likewise.

	* nss/digits_dots.c: Pretty print.

	* posix/getconf.c (vars): Add symbols for programming environment
	recognition.  Recognize --version.

	* sysdeps/generic/sysconf.c: Handle _SC_XBS5_*, _SC_XOPEN_LEGACY,
	_SC_XOPEN_REALTIME, and _SC_XOPEN_REALTIME_THREADS.
	* sysdeps/posix/sysconf.c: Handle _SC_XBS5_* and new _XOPEN_* symbols.

	* sysdeps/generic/bits/stdio_lim.h: Implement handling of
	__need_FOPEN_MAX.
	* sysdeps/unix/sysv/linux/stdio_lim.h.in: Likewise.
	* sysdeps/posix/mk-stdiolim.c: Change to generate file handling
	__need_FOPEN_MAX.

	* sysdeps/unix/sysv/linux/Dist: Add rt_sigpending.c.
	* sysdeps/unix/sysv/linux/rt_sigpending.c: New file.

	* sysdeps/unix/sysv/linux/alpha/bits/types.h: Define __ipc_pid_t.
	* sysdeps/unix/sysv/linux/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/msq.h: Use __ipc_pid_t.
	* sysdeps/unix/sysv/linux/bits/shm.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/types.h: New file.

	* sysdeps/wordsize-32/inttypes.h: Add SCNd8, SCNi8, SCNo8, SCNx8,
	SCNu*.
	* sysdeps/wordsize-64/inttypes.h: Likewise.

	* time/africa: Update from tzdata1997j.
	* time/antarctica: Likewise.
	* time/asia: Likewise.
	* time/australasia: Likewise.
	* time/backward: Likewise.
	* time/etcetera: Likewise.
	* time/europe: Likewise.
	* time/factory: Likewise.
	* time/northamerica: Likewise.
	* time/pacificnew: Likewise.
	* time/southamerica: Likewise.

	* time/tzfile.h: Update from tzcode1997h.
	* time/zic.c: Likewise.

	* wcsmbs/wchar.h: Get definition of FILE.  Define `struct tm' tag.
	Declare wcwidth and wcswidth for __USE_XOPEN.  Declare the
	isw*() functions for Unix98.
	* wctype/towctrans.c: Define as __towctrans, make towctrans weak alias.
	* wctype/wctype.h: Declare isw*() functions also if __need_iswxxx
	is defined.

1997-12-21  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* locale/duplocale.c: Increase usage_count only if less than
	MAX_USAGE_COUNT.
	* locale/freelocale.c: Test usage_count against UNDELETABLE, not
	MAX_USAGE_COUNT.
	* locale/setlocale.c: Likewise.

1997-12-20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile ($(inst_includedir)/gnu/stubs.h): Use a more direct
	dependency to make it easier to install it selectively.

	* Makerules (.SUFFIXES): Don't define any suffixes.

1997-12-20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/generic/fstatfs64.c: Emulate using fstatfs.
	* sysdeps/generic/statfs64.c: Emulate using statfs.
	* sysdeps/generic/getrlimit64.c: Emulate using getrlimit.
	* sysdeps/generic/setrlimit64.c: Emulate using setrlimit.
	* sysdpes/generic/ftruncate64.c: New file.
	* sysdpes/generic/truncate64.c: New file.

	* sysdeps/generic/bits/stat.h: Add LFS support.
	* sysdeps/generic/bits/statfs.h: Likewise.

	* sysdeps/unix/bsd/sun/sunos4/bits/resource.h (RLIM_INFINITY)
	[__USE_FILE_OFFSET64]: Make long long constant.
	(RLIM64_INFINITY): Likewise.

	* sysdeps/unix/sysv/linux/bits/resource.h (RLIM_INFINITY): Correct
	for LFS support.
	(RLIM64_INFINITY) [__USE_LARGEFILE64]: Define.
	* sysdeps/generic/bits/resource.h: Likewise.

	* misc/Makefile (routines): Add truncate64 and ftruncate64.

	* include/features.h: Don't prevent LFS support from defining BSD
	and SYSV things.

	* dirent/dirent.h [__USE_FILE_OFFSET64]: Don't use xxx64 names.
	* io/ftw.h [__USE_FILE_OFFSET64]: Likewise.
	* io/sys/stat.h [__USE_FILE_OFFSET64]: Likewise.

	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add xxx64 alias for
	fstatfs, statfs, getrlimit, setrlimit, ftruncate and truncate.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.

	* sysdeps/unix/sysv/linux/alpha/fstatfs64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/statfs64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/getrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/setrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/ftruncate64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/truncate64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/readdir.c: New file.
	* sysdeps/unix/sysv/linux/alpha/readdir64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/readdir64_r.c: New file.
	* sysdeps/unix/sysv/linux/alpha/readdir_r.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/fstatfs64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/statfs64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/getrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/setrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/ftruncate64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/truncate64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/readdir64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/readdir64_r.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/readdir_r.c: New file.

	* sysdeps/unix/sysv/linux/fxstat64.c: New file.
	* sysdeps/unix/sysv/linux/lxstat64.c: New file.
	* sysdeps/unix/sysv/linux/xstat64.c: New file.
	* sysdeps/unix/sysv/linux/readdir64.c: New file.
	* sysdeps/unix/sysv/linux/readdir64_r.c: New file.

	* sysdeps/unix/sysv/linux/getdents64.c: New file.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_routines)
	[$(subdir)=dirent]: Add getdents64.
	* sysdeps/unix/sysv/linux/Dist: Add getdents64.c.

	* sysdeps/unix/sysv/linux/xstatconv.c: LFS support.

1997-12-18 12:07  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/generic/bits/statfs.h (struct statfs64): Added.

	* sysdeps/generic/getrlimit.c: Include <sys/types.h>.
	* sysdeps/generic/getrlimit64.c: Likewise.
	* sysdeps/generic/setrlimit.c: Likewise.
	* sysdeps/generic/setrlimit64.c: Likewise.

1997-12-17 13:57  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/unix/sysv/linux/siglist.c: Fix compile problem if not
	using versioning.

	* sysdeps/generic/waitid.c: Include <sys/types.h> for id_t.

	* sysdeps/standalone/arm/bits/errno.h (EBUSY): Added.

1997-12-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* locale/programs/ld-ctype.c (ctype_output): Clear out the padding
	after the codeset name.

1997-12-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libc.map: Add get_kernel_syms.

1997-12-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/generic/testrtsig.h (kernel_has_rtsig): Make
	static.
	* sysdeps/unix/sysv/linux/testrtsig.h (kernel_has_rtsig):
	Likewise.  Fix condition.

1997-12-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libio/Makefile (routines) [$(versioning)=yes]: Add oldiofdopen.

1997-12-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/bits/mathinline.h: Don't define exp2 inline.
	Define scalbln{,f,l} under __USE_ISOC9X, not __USE_MISC.

1997-12-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/powerpc/syscall.S: Put back.
	* sysdeps/unix/sysv/linux/powerpc/sigreturn.S: Delete this
	instead.  Oops.

1997-12-16  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* configure.in (libc_cv_gcc_alpha_ng_prefix): Correct quoting.

1997-12-16  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* math/libm-test.c (catanh_test): Change epsilon.
	Reported by H.J. Lu.

1997-12-14 19:39  H.J. Lu  <hjl@gnu.org>

	* libc.map (__getpid): Added for linuxthreads.

1997-12-13 21:09  H.J. Lu  <hjl@gnu.org>

	* configure.in (HAVE_DWARF2_UNWIND_INFO_STATIC): Define
	it if gcc uses static variable in DWARF2 unwind information
	for exception support.

	* config.h.in (HAVE_DWARF2_UNWIND_INFO_STATIC): New.

	* elf/soinit.c (__libc_global_ctors, _fini): Handle
	HAVE_DWARF2_UNWIND_INFO_STATIC.

	* libc.map (__register_frame*, __deregister_frame*): Make them
	global.

1997-12-15  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* math/libm-test.c: Add more tests for "normal" values.

1997-12-13  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* stdio-common/printf_fphex.c: Fix printing of long double number
	with a biased exponent of zero.  Fix rounding.

1997-12-13  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sunrpc/rpc_main.c: Accept new flag -$.
	* sunrpc/Makefile (rpcgen-cmd): Pass it here.

1997-12-13  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile ($(inst_slibdir)/libc-$(version).so): Install the
	dynamic linker first, in case the interface has changed.

1997-12-13  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* nss/nss_files/files-alias.c (get_next_alias): Fix parameter
	order.

1997-12-12  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* math/tgmath.h: Check for double first, for architectures where
	sizeof (long double) == sizeof (double).

1997-12-07  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* math/libm-test.c: New tests for "normal" values added for most
	functions.

1 files changed, 19 insertions, 4 deletions

diff --git a/manual/memory.texi b/manual/memory.texi
index a186fd4..343fcd1 100644
--- a/manual/memory.texi
+++ b/manual/memory.texi
@@ -975,7 +975,7 @@ main (int argc, char *argv[])
 @}
 @end example
 
-I.e., the user can start the memory debugger any time he wants if the
+I.e., the user can start the memory debugger any time s/he wants if the
 program was started with @code{MALLOC_TRACE} set in the environment.
 The output will of course not show the allocations which happened before
 the first signal but if there is a memory leak this will show up
@@ -1004,9 +1004,9 @@ readability.  Instead there is a program which comes with the GNU C
 library which interprets the traces and outputs a summary in on
 user-friendly way.  The program is called @code{mtrace} (it is in fact a
 Perl script) and it takes one or two arguments.  In any case the name of
-the file with the trace must be specified.  If an optional precedes the
-name of the trace file this must be the name of the program which
-generated the trace.
+the file with the trace output must be specified.  If an optional argument
+precedes the name of the trace file this must be the name of the program
+which generated the trace.
 
 @example
 drepper$ mtrace tst-mtrace log
@@ -1058,6 +1058,21 @@ Memory not freed:
 Suddenly the output makes much more sense and the user can see
 immediately where the function calls causing the trouble can be found.
 
+Interpreting this output is not complicated.  There are at most two
+different situations being detected.  First, @code{free} was called for
+pointers which were never returned by one of the allocation functions.
+This is usually a very bad problem and how this looks like is shown in
+the first three lines of the output.  Situations like this are quite
+rare and if they appear they show up very drastically: the program
+normally crashes.
+
+The other situation which is much harder to detect are memory leaks.  As
+you can see in the output the @code{mtrace} function collects all this
+information and so can say that the program calls an allocation function
+from line 33 in the source file @file{/home/drepper/tst-mtrace.c} four
+times without freeing this memory before the program terminates.
+Whether this is a real problem keeps to be investigated.
+
 @node Obstacks
 @section Obstacks
 @cindex obstacks