update from main archive 970225cvs/libc-970225

1997-02-24 23:05  Wolfram Gloger  <wmglo@dent.med.uni-muenchen.de>

	* malloc/malloc.c (malloc_get_state): New function.
	Saves global malloc state to an opaque data structure which
	is dynamically allocated in the heap.
	* malloc/malloc.c (malloc_set_state): New function.
	Restore previously obtained state.
	* malloc/malloc.h: Add declaration of malloc_get_state()
	and malloc_set_state().

1997-02-24 23:27  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/s_cbrtl.c: Shift B1_EXP value to right
	position.

1997-02-24 17:38  Ulrich Drepper  <drepper@cygnus.com>

	* misc/error.c: Make error and error_at_line weak aliases of
	__error and __error_at_line respectively.
	Suggested by David Mosberger-Tang <davidm@AZStarNet.COM>.

	* sysdeps/unix/sysv/linux/i386/socket.S: Update copyright.

1997-02-22 11:30  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/ldd.bash.in: Run the program directly, not as argument
	to the dynamic linker, if it contains an interpreter segment.
	* elf/ldd.sh.in: Likewise.

	* elf/rtld.c (dl_main): In verify mode check whether the dynamic
	object contains an interpreter segment and exit with 2 if not.

1997-02-23 01:23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile (distribute): Remove nsswitch.h, netgroup.h, mcheck.h
	and xlocale.h.  Make-dist adds them automagically.

1997-02-22 12:25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* locale/C-time.c (_nl_C_LC_TIME): Add missing entry for
	time-era-num-entries.

1997-02-06 13:49  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* rellns-sh: No need to check for existance of first parameter.

1997-02-24 15:20  Jonathan T. Agnew  <jtagnew@amherst.edu>

	* glibcbug.in: Don't mention destination on MAIL_AGENT command line
	to avoid duplicate mail.

1997-02-24 03:51  Ulrich Drepper  <drepper@cygnus.com>

	* Makefile (distribute): Add isomac.c.
	(tests): Run isomac test.

	* features.h (__USE_ISOC9X): New macro.

	* catgets/catgets.c: Don't use global variable `optind'.  Instead
	use result computed by argp_parse.
	* db/makedb: Likewise.
	* locale/programs/locale.c: Likewise.
	* locale/programs/localedef.c: Likewise.

	* libio/stdio.h: Rewrite.  Make it more readable and add comments.

	* libio/clearerr.c: Remove clearerr_locked alias.
	* libio/feof.c: Remove feof_locked alias.
	* libio/ferror.c: Remove feof_locked alias.
	* libio/fileno.c: Remove fileno_locked alias.
	* libio/fputc.c: Remove fputc_locked alias.
	* libio/getc.c: Remove getc_locked alias.
	* libio/getchar.c: Remove getchar_locked alias.
	* libio/iofflush.c: Remove fflush_locked alias.
	* libio/putc.c: Remove putc_locked alias.
	* libio/putc.c: Remove putchar_locked alias.

	* stdio-common/printf_fp.c: When number is inifinity print INF
	or inf depending on case of specifier.  Same for NaN where NAN
	or nan is printed.  Specified in ISO C 9X.

	* misc/sys/cdefs.h (__restrict): Define to empty string for now.
	* stdio/stdio.h: Add __restrict to prototypes where necessary.
	* libio/stdio.h: Likewise.
	* stdlib/stdlib.h: Likewise.
	* string/string.h: Likewise.
	* time/time.h: Likewise.
	* wcsmbs/wchar.h: Likewise.

	* stdlib/strtod.c: Change to recognize INF, INFINITY, NAN, and
	NAN(...).

	* sysdeps/ieee754/huge_val.h: Define HUGE_VALF and HUGE_VALL instead
	of HUGE_VALf and HUGE_VALL.
	* stdlib/strtof.c (FLOAT_HUGE_VAL): Use standard name HUGE_VALF
	instead of HUGE_VALf.
	* wcsmbs/wcstof.c: Likewise.
	* stdlib/strtold.c (FLOAT_HUGE_VAL): Use standard name HUGE_VALL
	instead of HUGE_VALl.
	* wcsmbs/wcstold.c: Likewise.

	* sysdeps/posix/gai_strerror.c: Use size_t for counter variable to
	avoid warning.

	* wcsmbs/Makefile (routines): Add wcscasecmp and wcsncase.
	* wcsmbs/wchar.h: Add prototypes for wcscasecmp and wcsncase.
	* wcsmbs/wcscasecmp.c: New file.
	* wcsmbs/wcsncase.c: New file.

	* stdlib/strtol.c: Define wide character quad word functions as
	wcstoll and wcstoull and normal versions as strtoll and strtoull.
	* wcsmbs/wchar.h: Add prototypes for wcstoll and wcstoull.
	* wcsmbs/wcstoq: Renamed to wcstoll.c.
	* wcsmbs/wcstouq: Renamed to wcstoull.c.
	* wcsmbs/wcstoll.c: Renamed from wcstoq.c.  Make wcstoq a weak
	alias of wcstoll.
	* wcsmbs/wcstoull.c: Renamed from wcstouq.c.  Make wcstouq a weak
	alias of wcstoull.
	* wcsmbs/Makefile (routines): Replace wcstoq and wcstouq by
	wcstoll and wcstoull respectively.
	* stdlib/strtoq.c: Rename to strtoll.c.
	* stdlib/strtouq.c: Rename to strtoull.c.
	* stdlib/strtoll.c: Renamed from strtoq.c.  Make strtoq a weak
	alias of strtoll.
	* stdlib/strtoll.c: Renamed from strtouq.c.  Make strtouq a weak
	alias of strtoull.
	* stdlib/Makefile (routines): Replace strtoq and strtouq by
	strtoll and strtoull respectively.
	* stdio-common/vfscanf.c: Don't use __strtoq_internal and
	__strtouq_internal but instead __strtoll_internal and
	__strtoull_internal respectively.
	* stdlib/stdlib.h (strtoq): Use __internal_strtoll in inline version.
	(strtouq): Similar with __internal_strtoull.
	* wcsmbs/wchar.h (wcstoq): Use __internal_wcstoll in inline version.
	(wcstouq): Similar with __internal_wcstoull.

1997-02-23 04:38  Ulrich Drepper  <drepper@cygnus.com>

	* stdlib/strtol.c (STRTOL): It is not illegal to parse a minus
	sign in the strtouXX functions.  The results gets simply negated.
	* stdio-common/tstscanf.c: Add testcase for above case.
	* stdlib/tst-strtol.c: Correct tests.

	* manual/stdio-fp.c: New file.  Generate output for example program
	in stdio.texi.

	* stdio-common/Makefile (routines): Add printf_fphex.
	* stdio-common/vfprintf.c: Add handling of %a and %A specifier.
	* stdio-common/printf_fphex.c: New file.  Implement %a and %A
	specifier.

1997-02-22 03:01  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/timebits.h (CLK_TCK): Don't defined if
	__STRICT_ANSI__.

	* math/math.h: Prevent definition of struct exception when using
	C++.

1997-02-22 01:45  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/syscalls.list: Dup takes only one argument.
	Reported by Greg McGary.

1997-02-21 00:22  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-20 01:28  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-19 13:56  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-18 15:39  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-17 10:58  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-15 10:23  Miles Bader  <miles@gnu.ai.mit.edu>
	(mutex_lock, mutex_unlock, mutex_trylock): Defined in terms of
	__mutex_*.
	(mutex_t): Type removed & replaced by new macro.
	(tsd_key_t): Typedef to int instead of pthread_key_t.
	(tsd_key_create, tsd_setspecific, tsd_getspecific): New macros.
	(__pthread_initialize): New macro, work around assumption of pthreads.

	* sysdeps/mach/hurd/i386/init-first.c (__libc_argv, __libc_argc):
	__hurd_sigthread_stack_end, __hurd_sigthread_stack_variables,
	__hurd_threadvar_max, __hurd_threadvar_stack_offset,
	__hurd_threadvar_stack_mask): Variables removed.
1997-02-14 14:07  Miles Bader  <miles@gnu.ai.mit.edu>
	* hurd/hurd.h (_hurd_pids_changed_stamp, _hurd_pids_changed_sync):
1997-02-24 17:06  Geoffrey Keating  <geoffk@discus.anu.edu.au>

	* sysdeps/unix/sysv/linux/accept.S (NARGS): Describe number of
	arguments taken, for sysdeps/unix/sysv/linux/powerpc/socket.S.
	* sysdeps/unix/sysv/linux/bind.S: Likewise.
	* sysdeps/unix/sysv/linux/connect.S: Likewise.
	* sysdeps/unix/sysv/linux/getpeername.S: Likewise.
	* sysdeps/unix/sysv/linux/getsockname.S: Likewise.
	* sysdeps/unix/sysv/linux/getsockopt.S: Likewise.
	* sysdeps/unix/sysv/linux/listen.S: Likewise.
	* sysdeps/unix/sysv/linux/recv.S: Likewise.
	* sysdeps/unix/sysv/linux/recvfrom.S: Likewise.
	* sysdeps/unix/sysv/linux/recvmsg.S: Likewise.
	* sysdeps/unix/sysv/linux/send.S: Likewise.
	* sysdeps/unix/sysv/linux/sendmsg.S: Likewise.
	* sysdeps/unix/sysv/linux/sendto.S: Likewise.
	* sysdeps/unix/sysv/linux/setsockopt.S: Likewise.
	* sysdeps/unix/sysv/linux/shutdown.S: Likewise.
	* sysdeps/unix/sysv/linux/socketpair.S: Likewise.

1997-02-15 04:51  Ulrich Drepper  <drepper@cygnus.com>

3 files changed, 67 insertions, 24 deletions

diff --git a/elf/ldd.bash.in b/elf/ldd.bash.in
index dd4fc6a..48d5c90 100644
--- a/elf/ldd.bash.in
+++ b/elf/ldd.bash.in
@@ -69,6 +69,7 @@ Report bugs using the \`glibcbug' script to <bugs@gnu.ai.mit.edu>."
   esac
 done
 
+add_env="LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now"
 case $# in
 0)
   echo >&2 $"ldd: missing file arguments"
@@ -86,20 +87,29 @@ case $# in
   elif test -r "$file"; then
     test -x "$file" ||
     echo $"ldd: warning: you do not have execution permission for" "\`$file'"
-      if ${RTLD} --verify "$file"; then
-	LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now \
-	 exec ${RTLD} ${RELOCS} "$file" || exit 1
-      else
-	echo $"	not a dynamic executable"
-	exit 1
-      fi
+    ${RTLD} --verify "$file"
+    case $? in
+    0)
+      eval $add_env exec '"$file"' || exit 1
+      ;;
+    1)
+      echo $"	not a dynamic executable"
+      exit 1
+      ;;
+    2)
+      eval $add_env exec \${RTLD} '"$file"' || exit 1
+      ;;
+    *)
+      echo $"ldd: ${RTLD} exited with unknown exit code ($?)" >&2
+      exit 1
+      ;;
+    esac
   else
     echo $"ldd: error: you do not have read permission for" "\`$file'"
     exit 1
   fi
   exit ;;
 *)
-  set -e	# Bail out immediately if ${RTLD} loses on any argument.
   result=0
   for file; do
     echo "${file}:"
@@ -113,13 +123,23 @@ case $# in
     elif test -r "$file"; then
       test -x "$file" || echo $"\
 ldd: warning: you do not have execution permission for" "\`$file'"
-      if ${RTLD} --verify "$file"; then
-	LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now \
-	 ${RTLD} ${RELOCS} "$file" || result=1
-      else
+      ${RTLD} --verify "$file"
+      case $? in
+      0)
+	eval $add_env '"$file"' || result=1
+	;;
+      1)
 	echo $"	not a dynamic executable"
 	result=1
-      fi
+	;;
+      2)
+        eval $add_env ${RTLD} '"$file"' || result=1
+	;;
+      *)
+	echo $"ldd: ${RTLD} exited with unknown exit code ($?)" >&2
+	exit 1
+	;;
+      esac
     else
       echo $"ldd: error: you do not have read permission for" "\`$file'"
       result=1
diff --git a/elf/ldd.sh.in b/elf/ldd.sh.in
index 0f3ed2e..d5dd54a 100644
--- a/elf/ldd.sh.in
+++ b/elf/ldd.sh.in
@@ -66,6 +66,7 @@ Try \`ldd --help' for more information."
   esac
 done
 
+add_env="LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now"
 case $# in
 0)
   echo >&2 "\
@@ -85,13 +86,23 @@ Try \`ldd --help' for more information."
     if test -r "$file"; then
       test -x "$file" ||
 	echo "ldd: warning: you do not have execution permission for \`$file'"
-      if ${RTLD} --verify "$file"; then
-	LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now \
-	 exec ${RTLD} "$file" || exit 1
-      else
+      ${RTLD} --verify "$file"
+      case $? in
+      0)
+	eval $add_env exec '"$file"' || exit 1
+	;;
+      1)
 	echo '	not a dynamic executable'
 	exit 1
-      fi
+	;;
+      2)
+	eval $add_env exec \${RTLD} '"$file"' || exit 1
+	;;
+      *)
+	echo "ldd: ${RTLD} exited with unknown exit code ($?)" >&2
+	exit 1
+	;;
+      esac
     else
       echo "ldd: error: you do not have read permission for \`$file'"
       exit 1
@@ -114,13 +125,23 @@ Try \`ldd --help' for more information."
       if test -r "$file"; then
 	test -x "$file" || echo "\
 ldd: warning: you do not have execution permission for \`$file'"
-	if ${RTLD} --verify "$file"; then
-	  LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now \
-	   ${RTLD} "$file" || result=1
-	else
+	${RTLD} --verify "$file"
+	case $? in
+	0)
+	  eval $add_env '"$file"' || result=1
+	  ;;
+	1)
 	  echo '	not a dynamic executable'
 	  result=1
-	fi
+	  ;;
+	2)
+	  eval $add_env ${RTLD} '"$file"' || result=1
+	  ;;
+	*)
+	  echo "ldd: ${RTLD} exited with unknown exit code ($?)" >&2
+	  exit 1
+	  ;;
+	esac
       else
 	echo "ldd: error: you do not have read permission for \`$file'"
 	result=1
diff --git a/elf/rtld.c b/elf/rtld.c
index 26cacef..eb7b3be 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -155,6 +155,7 @@ dl_main (const ElfW(Phdr) *phdr,
   const char *preloadlist;
   size_t file_size;
   char *file;
+  int has_interp = 0;
 
   mode = getenv ("LD_TRACE_LOADED_OBJECTS") != NULL ? trace : normal;
 
@@ -299,6 +300,7 @@ of this helper program; chances are you did not intend to run this program.\n",
 	_dl_rtld_libname.name = (const char *) l->l_addr + ph->p_vaddr;
 	_dl_rtld_libname.next = NULL;
 	_dl_rtld_map.l_libname = &_dl_rtld_libname;
+	has_interp = 1;
 	break;
       }
   if (! _dl_rtld_map.l_libname && _dl_rtld_map.l_name)
@@ -315,7 +317,7 @@ of this helper program; chances are you did not intend to run this program.\n",
   if (mode == verify)
     /* We were called just to verify that this is a dynamic executable
        using us as the program interpreter.  */
-    _exit (l->l_ld == NULL ? EXIT_FAILURE : EXIT_SUCCESS);
+    _exit (l->l_ld == NULL ? 1 : has_interp ? 0 : 2);
 
   /* Extract the contents of the dynamic section for easy access.  */
   elf_get_dynamic_info (l->l_ld, l->l_info);