Update.

1999-04-28  Ulrich Drepper  <drepper@cygnus.com>

	* argp/argp-ba.c (argp_program_bug_address): Don't initialize with 0.
	* argp/argp-parse.c (_argp_hang): Likewise.
	* argp/argp-pv.c (argp_program_version): Likewise.
	* argp/argp-pvh.c (argp_program_version_hook): Likewise.
	* inet/ether_hton.c (ether_hton, startp): Likewise.
	* inet/ether_ntoh.c (ether_ntoh, startp): Likewise.
	* inet/getnetgrent_r.c (setup, startp): Likewise.
	* intl/loadmsgcat.c (_nl_msg_cat_cntr): Likewise.
	* intl/localealias.c (string_space, string_space_act, string_space_max,
	nmap, maxmap): Likewise.
	* libio/iopopen.c (proc_file_chain): Likewise.
	* libio/oldiopopen.c (old_proc_file_chain): Likewise.
	* locale/lc-collate.c (__collate_table, __collate_extra,
	__collate_element_hash, __collate_element_strings,
	__collate_element_values): Likewise.
	* malloc/mcheck.c (mcheck_used): Likewise.
	* malloc/mtrace.c (added_atexit_handler): Likewise.
	* malloc/set-freeres.c (already_called): Likewise.
	* misc/getpass.c (getpass) [buf, bufsize]: Likewise.
	* misc/syslog.c (LogStat, LogTag): Likewise.
	* nss/XXX-lookup.c (DATABASE_NAME_SYMBOL): Likewise.
	* nss/getXXbyYY_r.c (startp): Likewise.
	* posix/getopt.c (optarg, __getopt_initialized): Likewise.
	* posix/regex.c (init_syntax_once) [done]: Likewise.
	(debug): Likewise.
	* string/strfry.c (init): Likewise.
	* sunrpc/svc_run.c (svc_top): Likewise.
	* posix/euidaccess.c (have_ids): Likewise.
	* sysdeps/unix/sysv/linux/poll.c (must_emulate): Likewise.
	* sysdeps/unix/sysv/linux/ttyname.c (__ttyname, namelen): Likewise.
	* time/getdate.c (getdate_err): Likewise.
	* time/tzfile.c (transitions, type_idxs, types, zone_names, leaps):
	Likewise.
	* time/tzset.c (old_tz, is_initialized): Likewise.

	* inet/getnameinfo.c (nrl_domainname): Rewrite to allow initialization
	of static data with zero.
	* signal/allocrtsig.c (init): Likewise.

	* string/Makefile (routines): Add strchrnul.
	* string/Versions [GLIBC_2.1.1]: Add strchrnul.
	* string/string.c: Add strchrnul prototype.
	* include/string.h: Add __strchrnul prototype.
	* sysdeps/generic/strchrnul.c: New file.
	* sysdeps/i386/strchrnul.S: New file.
	* sysdeps/i386/bits/string.c: Add strchrnul optimization.
	* sysdeps/i386/i486/bits/string.c: Likewise.
	* argp/argp-help.c (argp_args_usage): Use __strchrnul.
	* inet/ether_line.c (ether_line): Likewise.
	* nscd/nscd_conf.c (nscd_parse_file): Likewise.
	* nss/nsswitch.c (nss_parse_file): Likewise.
	* posix/execvp.c (execvp): Likewise.
	* posix/fnmatch.c (internal_fnmatch): Likewise.
	* resolv/res_hconf.c (_res_hconv_init): Likewise.
	* resolv/res_init.c (res_init): Likewise.
	* stdlib/fmtmsg.c (init): Likewise.
	* stdlib/getsubopt.c (getsubopt): Likewise.

	* catgets/catgets.c (catopen): Only allocate one memory block.
	(catclose): Only one free call necessary.

	* catgets/open_catalog.c (__open_catalog): Simplify handling of
	file descriptor.

	* ctype/ctype-extn.c: Make __toascii_l and __isascii_l alias instead
	of real functions.  Simplify _tolower and _toupper.

	* grp/initgroups.c (compat_call): Remove unnecessary use of pointer
	variable.

	* iconv/gconv.h (struct gconv_info): Change data element from pointer
	to array of size 0.
	* iconv/gconv_open.c (__gconv_open): Allocate structures accordingly.
	* iconv/gconv_close.c (__gconv_close): Don't free data.

	* iconv/gconv_conf.c (add_alias): Avoid searching in tree twice to
	insert new alias.

	* iconv/gconv_db.c (add_derivation): More efficient copying.  Check
	for error while inserting in tree.

	* include/time.h: Pretty print.

	* inet/ruserpass.c: Rewrite use of toktab to avoid string pointers
	in table and lots of relocations.
	* posix/regex.c (regerror): Rewrite use of re_error_msgid to avoid
	string pointers in table and lots of relocations.

	* intl/finddomain.c: Remove definition of strchr macro.

	* io/ftw.c (nftw_arr, ftw_arr): Make const.

	* locale/loadlocale.c (_nl_load_locale): Optimize string copying.

	* locale/localeinfo.h (_nl_category_names): Change into an array with
	fixed width char string elements.
	* locale/setlocale.c (_nl_category_names): Likewise.
	(_nl_current): Make global.
	* locale/nl_langinfo.c (nldata): Removed.  Use _nl_current now.

	* malloc/Makefile (distribute): Add stackinfo.h.
	* sysdeps/generic/stackinfo.h: New file.
	* sysdeps/i386/stackinfo.h: New file.
	* posix/execl.c: Use stackinfo.h in optimizing alloca use.
	* posix/execle.c: Likewise.
	* posix/execlp.c: Likewise.

	* nis/nis_table.c (__create_ib_request): Always use realloc.

	* posix/execvp.c (execute): Rename to script_execute and keep only
	code to execute using shell.
	(execvp): Call execv directly and only fall back on script_execute.

	* resolv/inet_net_pton.c (inet_net_pton_ipv4): Remove digits define
	and always use xdigits instead.

	* resolv/res_init.c (res_init): Use rawmemchr instead of strchr
	where appropriate.

	* stdlib/fpioconst.h (__tens): New declaration.
	(struct mp_power): Remove array, add arrayoff element.
	* stdlib/fpioconst.c: Replace definitions of _ten_p* arrays by one
	__tens array and add in _fpioconst_pow10 offsets into __tens.
	* stdio-common/printf_fp.c: Rewrite to use new __tens array.
	* stdlib/strtod.c: Likewise.

	* stdlib/a64l.c (a64l_table): Avoid unnecessary elements.

	* stdlib/exit.c: Rewrite to use __exit_funcs being as sign for end
	of the list.
	* stdlib/atexit.c (__exit_funcs): Don't initialize.

	* stdlib/fmtmsg.c (keywords): Make name element fixed width array.

	* sunrpc/clnt_perr.c: Rewrite clnt_sperrno and auth_errmsg to use
	a single and an array with offsets.

	* sunrpc/des_soft.c (partab): Make it const.

	* sunrpc/key_call.c (trytimeout, tottimeout): Make const.
	(__key_encryptsession_pk_LOCAL): Don't initialize with 0.
	(__key_decryptsession_pk_LOCAL): Likewise.
	(__key_gendes_LOCAL): Likewise.
	(MESSENGER): Mark const.
	(key_call_private_main): Don't initialize with 0.
	(use_keyenvoy): Don't initialize with 0.
	(key_call): Rewrite to reverse logic of use_doors variable.

	* sunrpc/netname.c (OPSYS): Define as array, not pointer.
	(startp): Don't initialize with zero.

	* sunrpc/openchild.c (_openchild): Make first argument const.

	* sunrpc/pmap_rmt.c (timeout): Mark const.
	* sunrpc/xcrypt.c (hex): Likewise.

	* sysdeps/unix/sysv/linux/getcwd.c: Rewrite to allow omitting
	initialization of global variables.
	* sysdeps/unix/sysv/linux/getpt.c: Likewise.
	* sysdeps/unix/sysv/linux/if_index.c: Likewise.
	* termios/tcgetsid.c: Likewise.

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (x86_cap_flags): Change
	fxsr to osfxsr.

	* time/tzfile.c (__tzfile_read): Rewrite to allocate only one memory
	block.  Add function to free memory if wanted.
	* time/tzset.c (tzset_internal): Pass extra argument to __tzfile_read.

	* wcsmbs/wcsmbsload.c (to_wc, to_mb): Correct initializers.

	* wcsmbs/wmemset.c: Little code optimization.

6 files changed, 28 insertions, 27 deletions

diff --git a/sysdeps/unix/sysv/linux/getcwd.c b/sysdeps/unix/sysv/linux/getcwd.c
index bbe21d6..fe28e2d 100644
--- a/sysdeps/unix/sysv/linux/getcwd.c
+++ b/sysdeps/unix/sysv/linux/getcwd.c
@@ -1,5 +1,5 @@
 /* Determine current working directory.  Linux version.
-   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -40,10 +40,10 @@ static char *generic_getcwd (char *buf, size_t size) internal_function;
    compiling under 2.1.92+ the libc still runs under older kernels. */
 extern int __syscall_getcwd (char *buf, unsigned long size);
 static int no_syscall_getcwd;
-static int no_new_dcache = 1;
+static int have_new_dcache;
 #else
 # define no_syscall_getcwd 1
-static int no_new_dcache;
+static int have_new_dcache = 1;
 #endif
 
 char *
@@ -55,7 +55,7 @@ __getcwd (char *buf, size_t size)
   char *result;
   size_t alloc_size = size;
 
-  if (no_syscall_getcwd && no_new_dcache)
+  if (no_syscall_getcwd && !have_new_dcache)
     return generic_getcwd (buf, size);
 
   if (size == 0)
@@ -101,7 +101,7 @@ __getcwd (char *buf, size_t size)
       if (errno == ENOSYS)
 	{
 	   no_syscall_getcwd = 1;
-	   no_new_dcache = 0;	/* Now we will try the /proc method.  */
+	   have_new_dcache = 1;	/* Now we will try the /proc method.  */
 	}
       else if (errno != ERANGE || buf != NULL)
 	{
@@ -137,12 +137,13 @@ __getcwd (char *buf, size_t size)
 	  return buf;
 	}
       else
-	no_new_dcache = 1;
+	have_new_dcache = 0;
     }
 
-  /* Set to no_new_dcache only if error indicates that proc doesn't exist.  */
+  /* Set to have_new_dcache only if error indicates that proc doesn't
+     exist.  */
   if (errno != EACCES && errno != ENAMETOOLONG)
-    no_new_dcache = 1;
+    have_new_dcache = 0;
 
   /* Something went wrong.  Restore the error number and use the generic
      version.  */
diff --git a/sysdeps/unix/sysv/linux/getpt.c b/sysdeps/unix/sysv/linux/getpt.c
index 8165ecc..d2e0f1a 100644
--- a/sysdeps/unix/sysv/linux/getpt.c
+++ b/sysdeps/unix/sysv/linux/getpt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
@@ -31,10 +31,10 @@ int __bsd_getpt (void);
 int
 __getpt (void)
 {
-  static int have_dev_ptmx = 1;
+  static int have_no_dev_ptmx;
   int fd;
 
-  if (have_dev_ptmx)
+  if (!have_no_dev_ptmx)
     {
       fd = __open (_PATH_DEVPTMX, O_RDWR);
       if (fd != -1)
@@ -42,7 +42,7 @@ __getpt (void)
       else
 	{
 	  if (errno == ENOENT || errno == ENODEV)
-	    have_dev_ptmx = 0;
+	    have_no_dev_ptmx = 1;
 	  else
 	    return -1;
 	}
diff --git a/sysdeps/unix/sysv/linux/i386/dl-procinfo.h b/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
index 77c859b..7624cbc 100644
--- a/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
+++ b/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
@@ -1,5 +1,5 @@
 /* Linux/i386 version of processor capability information handling macros.
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -28,7 +28,7 @@ static const char x86_cap_flags[][7] =
     "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
     "cx8", "apic", "10", "sep", "mtrr", "pge", "mca", "cmov",
     "pat", "pse36", "18", "19", "20", "21", "22", "mmx",
-    "fxsr", "25", "26", "27", "28", "29", "30", "amd3d"
+    "osfxsr", "25", "26", "27", "28", "29", "30", "amd3d"
   };
 
 static inline int
diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c
index aa89a38..9b3db6a 100644
--- a/sysdeps/unix/sysv/linux/if_index.c
+++ b/sysdeps/unix/sysv/linux/if_index.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -120,7 +120,7 @@ if_nameindex (void)
   unsigned int nifs, i;
   int rq_len;
   struct if_nameindex *idx = NULL;
-  static int new_siocgifconf = 1;
+  static int old_siocgifconf;
 #define RQ_IFS	4
 
   if (fd < 0)
@@ -130,13 +130,13 @@ if_nameindex (void)
 
   /* We may be able to get the needed buffer size directly, rather than
      guessing.  */
-  if (new_siocgifconf)
+  if (! old_siocgifconf)
     {
       ifc.ifc_buf = NULL;
       ifc.ifc_len = 0;
       if (__ioctl (fd, SIOCGIFCONF, &ifc) < 0 || ifc.ifc_len == 0)
 	{
-	  new_siocgifconf = 0;
+	  old_siocgifconf = 1;
 	  rq_len = RQ_IFS * sizeof (struct ifreq);
 	}
       else
@@ -156,7 +156,7 @@ if_nameindex (void)
 	}
       rq_len *= 2;
     }
-  while (ifc.ifc_len == rq_len && new_siocgifconf == 0);
+  while (ifc.ifc_len == rq_len && old_siocgifconf);
 
   nifs = ifc.ifc_len / sizeof (struct ifreq);
 
@@ -212,9 +212,9 @@ if_indextoname (unsigned int ifindex, char *ifname)
      list.  This ioctl is not present in kernels before version 2.1.50.  */
   struct ifreq ifr;
   int fd;
-  static int siogifname_works = 1;
+  static int siogifname_works_not;
 
-  if (siogifname_works)
+  if (!siogifname_works_not)
     {
       int serrno = errno;
 
@@ -227,7 +227,7 @@ if_indextoname (unsigned int ifindex, char *ifname)
       if (__ioctl (fd, SIOGIFNAME, &ifr) < 0)
 	{
 	  if (errno == EINVAL)
-	    siogifname_works = 0;   /* Don't make the same mistake twice. */
+	    siogifname_works_not = 1; /* Don't make the same mistake twice. */
 	}
       else
 	{
diff --git a/sysdeps/unix/sysv/linux/poll.c b/sysdeps/unix/sysv/linux/poll.c
index 880eeb9..e7df3b7 100644
--- a/sysdeps/unix/sysv/linux/poll.c
+++ b/sysdeps/unix/sysv/linux/poll.c
@@ -1,5 +1,5 @@
 /* Poll system call, with emulation if it is not available.
-   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -37,7 +37,7 @@ __poll (fds, nfds, timeout)
      unsigned long int nfds;
      int timeout;
 {
-  static int must_emulate = 0;
+  static int must_emulate;
 
   if (!must_emulate)
     {
diff --git a/sysdeps/unix/sysv/linux/ttyname.c b/sysdeps/unix/sysv/linux/ttyname.c
index 0dd9c70..cc8f9f0 100644
--- a/sysdeps/unix/sysv/linux/ttyname.c
+++ b/sysdeps/unix/sysv/linux/ttyname.c
@@ -28,7 +28,7 @@
 
 #include <stdio-common/_itoa.h>
 
-char *__ttyname = NULL;
+char *__ttyname;
 
 static char * getttyname __P ((const char *dev, dev_t mydev,
 			       ino_t myino, int save, int *dostat))
@@ -44,7 +44,7 @@ getttyname (dev, mydev, myino, save, dostat)
      int *dostat;
 {
   static char *name;
-  static size_t namelen = 0;
+  static size_t namelen;
   struct stat st;
   DIR *dirstream;
   struct dirent *d;
@@ -106,7 +106,7 @@ ttyname (fd)
      int fd;
 {
   static char *buf;
-  static size_t buflen = 0;
+  static size_t buflen;
   char procname[30];
   struct stat st, st1;
   int dostat = 0;