X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetopt1.c;h=22a7efbdd19a941b450b285d2d87a1b83bbc1f6b;hb=d36212cb0a461bc3f063ecbcb1c4d88316eaa397;hp=36eb7cd8dd0e1f901a9e1ac3b3a0a3937ba77cc9;hpb=43e78b970f396160a887c9da94531569faeda8a0;p=gnulib.git

diff --git a/lib/getopt1.c b/lib/getopt1.c
index 36eb7cd8d..22a7efbdd 100644
--- a/lib/getopt1.c
+++ b/lib/getopt1.c
@@ -1,31 +1,63 @@
-/* Getopt for GNU.
-   Copyright (C) 1987, 88, 89, 90, 91, 1992 Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by the
-   Free Software Foundation; either version 2, or (at your option) any
-   later version.
-   
-   This program is distributed in the hope that it will be useful,
+/* getopt_long and getopt_long_only entry points for GNU getopt.
+   Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98
+     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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include "getopt.h"
 
-#ifndef __STDC__
+#if !defined __STDC__ || !__STDC__
+/* This is a separate conditional since some stdc systems
+   reject `defined (const)'.  */
+#ifndef const
 #define const
 #endif
+#endif
+
+#include <stdio.h>
 
-#if defined(STDC_HEADERS) || defined(__GNU_LIBRARY__) || defined (LIBC)
+/* Comment out all this code if we are using the GNU C Library, and are not
+   actually compiling the library itself.  This code is part of the GNU C
+   Library, but also included in many other GNU distributions.  Compiling
+   and linking in this code is a waste when using the GNU C library
+   (especially if it is a shared library).  Rather than having every GNU
+   program understand `configure --with-gnu-libc' and omit the object files,
+   it is simpler to just do this in the source for each such file.  */
+
+#define GETOPT_INTERFACE_VERSION 2
+#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
+#include <gnu-versions.h>
+#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
+#define ELIDE_CODE
+#endif
+#endif
+
+#ifndef ELIDE_CODE
+
+
+/* This needs to come after some library #include
+   to get __GNU_LIBRARY__ defined.  */
+#ifdef __GNU_LIBRARY__
 #include <stdlib.h>
-#else /* STDC_HEADERS or __GNU_LIBRARY__ */
-char *getenv ();
-#endif /* STDC_HEADERS or __GNU_LIBRARY__ */
+#endif
 
 #ifndef	NULL
 #define NULL 0
@@ -47,7 +79,7 @@ getopt_long (argc, argv, options, long_options, opt_index)
    but does match a short option, it is parsed as a short option
    instead.  */
 
-int 
+int
 getopt_long_only (argc, argv, options, long_options, opt_index)
      int argc;
      char *const *argv;
@@ -57,6 +89,9 @@ getopt_long_only (argc, argv, options, long_options, opt_index)
 {
   return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
 }
+
+
+#endif	/* Not ELIDE_CODE.  */
 
 #ifdef TEST
 
@@ -87,7 +122,7 @@ main (argc, argv)
 
       c = getopt_long (argc, argv, "abc:d:0123456789",
 		       long_options, &option_index);
-      if (c == EOF)
+      if (c == -1)
 	break;
 
       switch (c)