.

[gnulib.git] / lib / getopt.c

diff --git a/lib/getopt.c b/lib/getopt.c
index 57fd398..8bcf559 100644 (file)
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -3,7 +3,7 @@
    "Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu
    before changing it!
 
-   Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94
+   Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95
        Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
@@ -59,12 +59,15 @@
 #include <stdlib.h>
 #endif /* GNU C library.  */
 
+#ifndef _
 /* This is for other GNU distributions with internationalized messages.
-   The GNU C Library itself does not yet support such messages.  */
-#if HAVE_LIBINTL_H
+   When compiling libc, the _ macro is predefined.  */
+#ifdef HAVE_LIBINTL_H
 # include <libintl.h>
+# define _(msgid)      gettext (msgid)
 #else
-# define gettext(msgid) (msgid)
+# define _(msgid)      (msgid)
+#endif
 #endif
 
 /* This version of `getopt' appears to the caller like standard Unix `getopt'
@@ -383,7 +386,10 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
   optarg = NULL;
 
   if (optind == 0)
-    optstring = _getopt_initialize (optstring);
+    {
+      optstring = _getopt_initialize (optstring);
+      optind = 1;              /* Don't scan ARGV[0], the program name.  */
+    }
 
   if (nextchar == NULL || *nextchar == '\0')
     {
@@ -473,7 +479,8 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
 
   if (longopts != NULL
       && (argv[optind][1] == '-'
-         || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
+         || (long_only && (argv[optind][2]
+                           || !my_index (optstring, argv[optind][1])))))
     {
       char *nameend;
       const struct option *p;
@@ -486,6 +493,10 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
       for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
        /* Do nothing.  */ ;
 
+#ifdef lint
+      indfound = 0;  /* Avoid spurious compiler warning.  */
+#endif
+
       /* Test all long options for either exact match
         or abbreviated matches.  */
       for (p = longopts, option_index = 0; p->name; p++, option_index++)
@@ -513,7 +524,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
       if (ambig && !exact)
        {
          if (opterr)
-           fprintf (stderr, gettext ("%s: option `%s' is ambiguous\n"),
+           fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
                     argv[0], argv[optind]);
          nextchar += strlen (nextchar);
          optind++;
@@ -536,12 +547,12 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
                   if (argv[optind - 1][1] == '-')
                    /* --option */
                    fprintf (stderr,
-                    gettext ("%s: option `--%s' doesn't allow an argument\n"),
+                    _("%s: option `--%s' doesn't allow an argument\n"),
                     argv[0], pfound->name);
                   else
                    /* +option or -option */
                    fprintf (stderr,
-                    gettext ("%s: option `%c%s' doesn't allow an argument\n"),
+                    _("%s: option `%c%s' doesn't allow an argument\n"),
                     argv[0], argv[optind - 1][0], pfound->name);
 
                  nextchar += strlen (nextchar);
@@ -556,7 +567,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
                {
                  if (opterr)
                    fprintf (stderr,
-                          gettext ("%s: option `%s' requires an argument\n"),
+                          _("%s: option `%s' requires an argument\n"),
                           argv[0], argv[optind - 1]);
                  nextchar += strlen (nextchar);
                  return optstring[0] == ':' ? ':' : '?';
@@ -584,11 +595,11 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
            {
              if (argv[optind][1] == '-')
                /* --option */
-               fprintf (stderr, gettext ("%s: unrecognized option `--%s'\n"),
+               fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
                         argv[0], nextchar);
              else
                /* +option or -option */
-               fprintf (stderr, gettext ("%s: unrecognized option `%c%s'\n"),
+               fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
                         argv[0], argv[optind][0], nextchar);
            }
          nextchar = (char *) "";
@@ -613,10 +624,10 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
          {
            if (posixly_correct)
              /* 1003.2 specifies the format of this message.  */
-             fprintf (stderr, gettext ("%s: illegal option -- %c\n"),
+             fprintf (stderr, _("%s: illegal option -- %c\n"),
                       argv[0], c);
            else
-             fprintf (stderr, gettext ("%s: invalid option -- %c\n"),
+             fprintf (stderr, _("%s: invalid option -- %c\n"),
                       argv[0], c);
          }
        optopt = c;
@@ -652,7 +663,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
                  {
                    /* 1003.2 specifies the format of this message.  */
                    fprintf (stderr,
-                          gettext ("%s: option requires an argument -- %c\n"),
+                          _("%s: option requires an argument -- %c\n"),
                           argv[0], c);
                  }
                optopt = c;