Update.

2002-10-09  Ulrich Drepper  <drepper@redhat.com>

	* Versions.def (libc): Add GLIBC_2.3.1.
	(libpthread): Add GLIBC_2.3.1.

	* include/signal.h: Add libc_hidden_proto for __sigwait, __sigwaitinfo,
	and __sigtimedwait.
	* signal/Versions: Add __sigtimedwait, __sigwait, and __sigwaitinfo.
	* sysdeps/unix/sysv/linux/sigtimedwait.c (__sigtimedwait): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/linux/sigwait.c (__sigwait): Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c (__sigwaitinfo): Likewise.

	* include/sys/msg.h: Declare __libc_msgrcv and __libc_msgsnd.
	* sysdeps/unix/sysv/linux/msgrcv.c (__msgrcv): Rename to __libc_msgrcv
	and make old name an alias.
	* sysdeps/unix/sysv/linux/msgsnd.c (__msgsnd): Rename to __libc_msgsnd
	and make old name an alias.
	* sysvipc/Versions (libc) [GLIBC_PRIVATE]: Add __libc_msgrcv and
	__libc_msgsnd.

	* include/sys/uio.h: Declare __libc_readv and __libc_writev.
	* misc/Versions (libc) [GLIBC_PRIVATE]: Add __libc_readv and
	__libc_writev.
	* sysdeps/generic/readv.c (__readv): Rename to __libc_readv and make
	old name an alias.
	* sysdeps/posix/readv.c: Likewise
	* sysdeps/unix/sysv/aix/readv.c: Likewise.
	* sysdeps/unix/sysv/linux/readv.c: Likewise.
	* sysdeps/generic/writev.c (__writev): Rename to __libc_writev and make
	old name an alias.
	* sysdeps/posix/writev.c: Likewise
	* sysdeps/unix/sysv/aix/writev.c: Likewise.
	* sysdeps/unix/sysv/linux/writev.c: Likewise.

	* include/sys/wait.h: Declare __waitid.
	* posix/Versions (libc) [GLIBC_PRIVATE]: Add __waitid.
	* sysdeps/generic/waitid.c (waitid): Rename to __waitid and make old
	name an alias.
	* sysdeps/posix/waitid.c: Likewise.
	* sysdeps/unix/sysv/aix/waitid.c: Likewise.

	* sysdeps/unix/sysv/linux/syscalls.list: Add creat syscall.

2002-10-07  Jakub Jelinek  <jakub@redhat.com>

	* include/alloca.h (__libc_use_alloca, __libc_alloca_cutoff): New
	prototypes.
	(__MAX_ALLOCA_CUTOFF): Define.
	Include allocalim.h.
	* resolv/nss_dns/dns-host.c (_nss_dns_gethostbyname2_r,
	_nss_dns_gethostbyaddr_r): Use alloca or malloc to allocate
	host_buffer depending on __libc_use_alloca.
	* resolv/nss_dns/dns-network.c (_nss_dns_getnetbyname_r,
	_nss_dns_getnetbyaddr_r): Use alloca or malloc to allocate
	net_buffer depending on __libc_use_alloca.
	* resolv/res_query.c (res_nquery): Use alloca or malloc to allocate
	buf depending on __libc_use_alloca.
	* resolv/gethnamaddr.c (gethostbyname2, gethostbyaddr): Likewise.
	* stdio-common/vfprintf.c (vfprintf): Use __libc_use_alloca
	instead of hardcoded constants.
	Pass proper size argument to alloca and compute end for wide char
	version.
	* stdio-common/printf_fp.c (__printf_fp): Use __libc_use_alloca
	instead of hardcoded constants.
	* string/strcoll.c (strcoll): Likewise.
	* string/strxfrm.c (strxfrm): Likewise.
	* sysdeps/posix/readv.c (__readv): Likewise.
	* sysdeps/posix/writev.c (__writev): Likewise.
	* sysdeps/generic/allocalim.h: New file.

2 files changed, 11 insertions, 9 deletions

diff --git a/stdio-common/printf_fp.c b/stdio-common/printf_fp.c
index e746101ddf..0f0c68eb88 100644
--- a/stdio-common/printf_fp.c
+++ b/stdio-common/printf_fp.c
@@ -869,7 +869,7 @@ __printf_fp (FILE *fp,
        it is possible that we need two more characters in front of all the
        other output.  If the amount of memory we have to allocate is too
        large use `malloc' instead of `alloca'.  */
-    buffer_malloced = chars_needed > 5000;
+    buffer_malloced = ! __libc_use_alloca (chars_needed * 2 * sizeof (wchar_t));
     if (buffer_malloced)
       {
 	wbuffer = (wchar_t *) malloc ((2 + chars_needed) * sizeof (wchar_t));
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index 788290b803..4f9cd9b424 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -1039,7 +1039,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 									      \
 	    /* Allocate dynamically an array which definitely is long	      \
 	       enough for the wide character version.  */		      \
-	    if (len < 8192)						      \
+	    if (__libc_use_alloca (len * sizeof (wchar_t)))		      \
 	      string = (CHAR_T *) alloca (len * sizeof (wchar_t));	      \
 	    else if ((string = (CHAR_T *) malloc (len * sizeof (wchar_t)))    \
 		     == NULL)						      \
@@ -1201,7 +1201,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	    if (prec >= 0)						      \
 	      {								      \
 		/* The string `s2' might not be NUL terminated.  */	      \
-		if (prec < 32768)					      \
+		if (__libc_use_alloca (prec))				      \
 		  string = (char *) alloca (prec);			      \
 		else if ((string = (char *) malloc (prec)) == NULL)	      \
 		  {							      \
@@ -1219,7 +1219,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 		  {							      \
 		    assert (__mbsinit (&mbstate));			      \
 		    s2 = (const wchar_t *) string;			      \
-		    if (len + 1 < 32768)				      \
+		    if (__libc_use_alloca (len + 1))			      \
 		      string = (char *) alloca (len + 1);		      \
 		    else if ((string = (char *) malloc (len + 1)) == NULL)    \
 		      {							      \
@@ -1448,7 +1448,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	  {
 	    /* We have to use a special buffer.  The "32" is just a safe
 	       bet for all the output which is not counted in the width.  */
-	    if (width < (int) (32768 / sizeof (CHAR_T)))
+	    if (__libc_use_alloca ((width + 32) * sizeof (CHAR_T)))
 	      workend = ((CHAR_T *) alloca ((width + 32) * sizeof (CHAR_T))
 			 + (width + 32));
 	    else
@@ -1473,7 +1473,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	{
 	  /* We have to use a special buffer.  The "32" is just a safe
 	     bet for all the output which is not counted in the width.  */
-	  if (width < (int) (32768 / sizeof (CHAR_T)))
+	  if (__libc_use_alloca ((width + 32) * sizeof (CHAR_T)))
 	    workend = ((CHAR_T *) alloca ((width + 32) * sizeof (CHAR_T))
 		       + (width + 32));
 	  else
@@ -1516,8 +1516,9 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       if (prec > width
 	  && prec + 32 > (int)(sizeof (work_buffer) / sizeof (work_buffer[0])))
 	{
-	  if (prec < (int) (32768 / sizeof (CHAR_T)))
-	    workend = alloca (prec + 32) + (prec + 32);
+	  if (__libc_use_alloca ((prec + 32) * sizeof (CHAR_T)))
+	    workend = ((CHAR_T *) alloca ((prec + 32) * sizeof (CHAR_T)))
+		      + (prec + 32);
 	  else
 	    {
 	      workstart = (CHAR_T *) malloc ((prec + 32) * sizeof (CHAR_T));
@@ -1832,7 +1833,8 @@ do_positional:
 	if (MAX (prec, width) + 32 > (int) (sizeof (work_buffer)
 					    / sizeof (CHAR_T)))
 	  {
-	    if (MAX (prec, width) < (int) (32768 / sizeof (CHAR_T)))
+	    if (__libc_use_alloca ((MAX (prec, width) + 32)
+				   * sizeof (CHAR_T)))
 	      workend = ((CHAR_T *) alloca ((MAX (prec, width) + 32)
 					    * sizeof (CHAR_T))
 			 + (MAX (prec, width) + 32));