Update. cvs/libc-ud-971118 cvs/libc-ud-971117

1997-11-18 02:31  Ulrich Drepper  <drepper@cygnus.com>

	* iconv/Makefile: New file.
	* iconv/gconv.c: New file.
	* iconv/gconv.h: New file.
	* iconv/gconv_builtin.c: New file.
	* iconv/gconv_builtin.h: New file.
	* iconv/gconv_close.c: New file.
	* iconv/gconv_conf.c: New file.
	* iconv/gconv_db.c: New file.
	* iconv/gconv_dl.c: New file.
	* iconv/gconv_open.c: New file.
	* iconv/gconv_simple.c: New file.
	* iconv/iconv.c: New file.
	* iconv/iconv.h: New file.
	* iconv/iconv_close.c: New file.
	* iconv/iconv_open.c: New file.
	* include/gconv.h: New file.

	* Makeconfig: Define gconvdir.
	* Makefile (subdirs): Add iconv.

	* string/bits/string2.h: Add optimization for strtok_r.

	* sysdeps/generic/_G_config.h: Define __need_NULL to get definition
	for NULL.
	Reported by H.J. Lu <hjl@gnu.ai.mit.edu>.
	* configure.in: Correct test for bash2.
	* locale/Makefile (CFLAGS-charmap.c): Add -Wno-char-subscripts.
	(CFLAGS-locfile.c): Likewise.
	Suggested by Zack Weinberg <zack@rabi.phys.columbia.edu>.
	* misc/hsearch_r.c (hsearch_r): Avoid undefinitely search for
	non-existing entry if the table is full.
	* posix/regex.h: Pretty print.
	* stdio-common/printf_fp.c: Don't define NDEBUG if already defined.
	* sysdeps/posix/ctermid.c: Simplify a bit.
	* sysdeps/unix/sysv/linux/net/if.h: Pretty print.
1997-11-17  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
	* sysdeps/unix/sysv/linux/sys/quota.h: Add include for
	<sys/types.h> instead of <asm/types.h>.
1997-11-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
	* math/libm-test.c (asin_test): Add epsilon for asin (0.5).
1997-11-16 17:09  H.J. Lu  <hjl@gnu.ai.mit.edu>
	* libc.map (_IO_stdin_, _IO_stdout_, _IO_stderr_, _IO_fopen,
	fopen, freopen, _IO_fclose, fclose): Added to GLIBC_2.0.
	(_IO_stdin_, _IO_stdout_, _IO_stderr_): Removed from GLIBC_2.1.
	(_IO_2_1_stdin_, _IO_2_1_stdout_, _IO_2_1_stderr_, _IO_fclose,
	fclose): Added to GLIBC_2.1.
	* libio/Makefile (routines, shared-only-routines): Add
	oldiofclose.  Remove oldfreopen.
	* libio/freopen.c (freopen): When PIC is defined, call
	_IO_old_freopen () for old stdio.
	* libio/iofclose.c (_IO_new_fclose): Renamed from _IO_fclose.
	(_IO_fclose, fclose): Use _IO_new_fclose as default version
	for GLIBC_2.1.
	* libio/iolibio.h (_IO_old_freopen): Use _IO_old_file_close_it
	instead of _IO_file_close_it.
	* libio/libio.h (_IO_stdin_, _IO_stdout_, _IO_stderr_): Changed
	to _IO_2_1_stdxxx_.
	(_IO_stdin, _IO_stdout, _IO_stderr): Declare as extern if _LIBC
	* libio/libioP.h (_IO_old_do_flush): New.
	* libio/oldfileops.c (_IO_old_file_close_it,
	_IO_old_file_finish, _IO_old_file_overflow, _IO_old_file_sync):
	Call _IO_old_do_flush () instead of _IO_do_flush ().
	(_IO_old_file_xsputn): Call _IO_old_do_write () instead of
	_IO_do_write ().
	* libio/oldiofopen.c (_IO_old_fopen): Call _IO_old_file_init ()
	instead of _IO_file_init ().
	Bind old symbols to version GLIBC_2.0.
	* libio/oldstdfiles.c (DEF_STDFILE): Don't use symbol_version.
	(_IO_old_stdin_, _IO_old_stdout_, _IO_old_stderr_): Changed to
	_IO_stdxxx_.
	(_IO_check_libio): New function in .init.
	* libio/oldiofclose.c: New file.
	* libio/stdfiles.c (_IO_new_stdin_, _IO_new_stdout_,
	_IO_new_stderr_): Changed to _IO_2_1_stdxxx_.
	(DEF_STDFILE): Don't use default_symbol_version.
	* libio/stdio.c (stdin, stdout, stderr): Set to
	_IO_2_1_stdxxx_._
	(_IO_stdin, _IO_stdout, _IO_stderr): New, strong alias of
	stdxxx.
	* csu/Makefile (distribute): Add init.c.
	(extra-objs): Add init.o for ELF.
	(start-installed-name): Add $(objpfx)init.o.
	* csu/init.c: New file.
1997-11-12 08:02  H.J. Lu  <hjl@gnu.ai.mit.edu>
	* elf/dl-lookup.c (do_lookup): Don't use the hidden base
	definition as the default.
1997-08-27  Klaus Espenlaub  <kespenla@hydra.informatik.uni-ulm.de>
	* erand48_r.c (__erand48_r): Implement for 32 bit short int.
1997-11-15  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
	* elf/genrtldtbl.awk: Replace gensub for compatibility with gawk2
	(PR 351).
1997-11-16 21:01  Philip Blundell  <Philip.Blundell@pobox.com>
	* sysdeps/arm/sysdep.h: Use __APCS_32__ to decide whether or not
	to preserve condition codes on function call.
1997-11-13  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
	* sysdeps/generic/s_exp2l.c: Change exp2l to __ieee754_exp2l.
1997-11-14  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
	* math/libm-test.c (asin_test): Add epsilon for float.
	(tan_test): Add epsilon for float.
	(log1p_test): Add epsilon for float.
	(inverse_functions): Add epsilons.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [socket]: Add
	net/if_packet.h.
	* sysdeps/unix/sysv/linux/Dist: Add net/if_packet.h.
1997-11-10  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
	* md5-crypt/Makefile (extra-objs): Make recursively expanded
	variable, since $(object-suffixes) is not defined yet.
1997-11-11  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
	* db2/Makefile (distribute): db185/db185_int.src ->
	db185/db185_int.h.
1997-11-11  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
	* misc/tst-fdset.c: Don't require the value of FD_ISSET to be
	exactly one.
1997-11-11  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
	* sysdeps/generic/e_acoshl.c: Fix stub_warning: use the user level
	* sysdeps/generic/e_acosl.c: Likewise.
	* sysdeps/generic/e_asinl.c: Likewise.
	* sysdeps/generic/e_atan2l.c: Likewise.
	* sysdeps/generic/e_expl.c: Likewise.
	* sysdeps/generic/e_fmodl.c: Likewise.
	* sysdeps/generic/e_j0l.c: Likewise.
	* sysdeps/generic/e_j1l.c: Likewise.
	* sysdeps/generic/e_jnl.c: Likewise.
	* sysdeps/generic/e_lgammal_r.c: Likewise.
	* sysdeps/generic/e_log10l.c: Likewise.
	* sysdeps/generic/e_logl.c: Likewise.
	* sysdeps/generic/e_powl.c: Likewise.
	* sysdeps/generic/e_sqrtl.c: Likewise.
	* sysdeps/generic/e_exp2l.c: Likewise.

1997-11-11  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Make-dist (+sysdep-names): Remove extra paren.
	* Makefile (distribute): Add stub-tag.h.
	* elf/Makefile (distribute): Add atomicity.h.
	* stdlib/Makefile (headers): Add ucontext.h and sys/ucontext.h.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers)
	[$(subdir)=socket]: Add net/if_packet.h.
	* sysdeps/alpha/Dist: Remove setjmp_aux.c.
	* sysdeps/unix/sysv/linux/Dist: Add s_pread64.c, s_pwrite64.c,
	net/if_packet.h, scsi/sg.h.
1997-11-13  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
	* Makefile (install): Quote $(CC) expansion.
1997-11-14  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
	* sysdeps/unix/sysv/linux/getcwd.c (__getcwd): Added caching of
	working /proc cwd and no restrictions on path length.  Following
	some ideas from Andi Kleen <ak@muc.de> (PR 350).
1997-11-14 19:14  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>
	* nis/nss_compat/compat-grp.c: Remove buggy assert call.
1997-11-14 22:23  Ulrich Drepper  <drepper@cygnus.com>
	* sysdeps/libm-i387/s_fdim.S: New file.
	* sysdeps/libm-i387/s_fdimf.S: New file.
	* sysdeps/libm-i387/s_fdiml.S: New file.
	* sysdeps/libm-i387/i686/s_fdim.S: New file.
	* sysdeps/libm-i387/i686/s_fdimf.S: New file.
	* sysdeps/libm-i387/i686/s_fdiml.S: New file.
1997-11-12  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
	* string/bits/string2.h (strstr): Avoid warning if HAYSTACK is a
	pointer to unsigned char.
1997-11-13  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
	* sysdeps/libm-ieee754/s_llrintf.c (__llrintf): Fix function.
	* sysdeps/libm-ieee754/s_lrintf.c (__lrintf): Fix function.
	* sysdeps/libm-ieee754/s_lrint.c (__lrint): Fix function.
1997-11-12  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
	* sysdeps/libm-ieee754/s_ilogbf.c: Correct return values for
	ilogb(0/NaN).
	* sysdeps/libm-ieee754/s_ilogbl.c: Likewise.
	* sysdeps/libm-ieee754/s_ilogb.c: Likewise.

1997-11-14 05:44  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-i387/s_fmin.S: New file.
	* sysdeps/libm-i387/s_fminf.S: New file.
	* sysdeps/libm-i387/s_fminl.S: New file.
	* sysdeps/libm-i387/s_fmax.S: New file.
	* sysdeps/libm-i387/s_fmaxf.S: New file.
	* sysdeps/libm-i387/s_fmaxl.S: New file.
	* sysdeps/libm-i387/i686/s_fmin.S: New file.
	* sysdeps/libm-i387/i686/s_fminf.S: New file.
	* sysdeps/libm-i387/i686/s_fminl.S: New file.
	* sysdeps/libm-i387/i686/s_fmax.S: New file.
	* sysdeps/libm-i387/i686/s_fmaxf.S: New file.
	* sysdeps/libm-i387/i686/s_fmaxl.S: New file.

1997-11-14 03:06  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/accept.S: Add __libc_accept as alias.
	* sysdeps/unix/sysv/linux/send.S: Likewise.
	* sysdeps/unix/sysv/linux/recv.S: Likewise.
	* sysdeps/unix/sysv/linux/connect.S: Likewise.
	Reported by Christopher Wiles <wileyc@ai.cs.fujitsu.co.jp>.
See ChangeLog.7 for earlier changes.

1 files changed, 35 insertions, 15 deletions

diff --git a/sysdeps/unix/sysv/linux/getcwd.c b/sysdeps/unix/sysv/linux/getcwd.c
index eea0b469e1..2af3b78da5 100644
--- a/sysdeps/unix/sysv/linux/getcwd.c
+++ b/sysdeps/unix/sysv/linux/getcwd.c
@@ -23,23 +23,26 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-/* #define NDEBUG 1 */
-#include <assert.h>
 
 /* The "proc" filesystem provides an easy method to retrieve the value.
    For each process, the corresponding directory contains a symbolic link
    named `cwd'.  Reading the content of this link immediate gives us the
    information.  But we have to take care for systems which do not have
    the proc filesystem mounted.  Use the POSIX implementation in this case.  */
-static char *generic_getcwd (char *buf, size_t size);
+static char *generic_getcwd (char *buf, size_t size) internal_function;
 
 char *
 __getcwd (char *buf, size_t size)
 {
+  static int no_new_dcache = 0;
   int save_errno;
   char *path;
   int n;
   char *result;
+  size_t alloc_size = size;
+
+  if (no_new_dcache)
+    return generic_getcwd (buf, size);
 
   if (size == 0)
     {
@@ -49,39 +52,56 @@ __getcwd (char *buf, size_t size)
 	  return NULL;
 	}
 
-      size = PATH_MAX + 1;
+      alloc_size = PATH_MAX + 1;
     }
 
   if (buf != NULL)
     path = buf;
   else
     {
-      path = malloc (size);
+      path = malloc (alloc_size);
       if (path == NULL)
 	return NULL;
     }
 
   save_errno = errno;
-  n = __readlink ("/proc/self/cwd", path, size);
+
+  n = __readlink ("/proc/self/cwd", path, alloc_size - 1);
   if (n != -1)
     {
-      if (n >= size)
+      if (n >= alloc_size - 1)
 	{
-	  /* This should never happen when we allocate the buffer here.  */
-	  assert (buf == NULL);
-	  __set_errno (ERANGE);
-	  return NULL;
+	  if (size > 0)
+	    return NULL;
 	}
-      path[n] = '\0';
-      return buf ?: (char *) realloc (path, (size_t) n + 1);
+      else
+	if (path[0] == '/')
+	  {
+	    path[n] = '\0';
+	    return buf ?: (char *) realloc (path, (size_t) n + 1);
+	  }
+	else
+	  no_new_dcache = 1;
     }
 
+  /* Set to no_new_dcache only if error indicates that proc doesn't exist.  */
+  if (errno != EACCES && errno != ENAMETOOLONG)
+    no_new_dcache = 1;
+
   /* Something went wrong.  Restore the error number and use the generic
      version.  */
   __set_errno (save_errno);
+
+  /* Don't put restrictions on the length of the path unless the user does.  */
+  if (size == 0)
+    {
+      free (path);
+      path = NULL;
+    }
+
   result = generic_getcwd (path, size);
 
-  if (result == NULL && buf == NULL)
+  if (result == NULL && buf == NULL && size != 0)
     free (path);
 
   return result;
@@ -89,6 +109,6 @@ __getcwd (char *buf, size_t size)
 weak_alias (__getcwd, getcwd)
 
 /* Get the code for the generic version.  */
-#define GETCWD_STORAGE_CLASS	static
+#define GETCWD_STORAGE_CLASS	static internal_function
 #define __getcwd		generic_getcwd
 #include <sysdeps/posix/getcwd.c>