X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetopt.c;h=ac0d6f3f78d10a96c5e529f1da58bb21d48b2c80;hb=880bff095c4a832c6ca0e899485da94a2fa34758;hp=812258ae3d73a4bbafbc0c8a7e2e00ab29c84ff9;hpb=b6ef595f1f04e8226ed6cf6071f3595c05d02603;p=gnulib.git

diff --git a/lib/getopt.c b/lib/getopt.c
index 812258ae3..ac0d6f3f7 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -27,14 +27,7 @@
 #endif
 
 #ifdef HAVE_CONFIG_H
-#if defined (emacs) || defined (CONFIG_BROKETS)
-/* We use <config.h> instead of "config.h" so that a compilation
-   using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
-   (which it would do because it found this file in $srcdir).  */
 #include <config.h>
-#else
-#include "config.h"
-#endif
 #endif
 
 #ifndef __STDC__
@@ -60,7 +53,7 @@
 
 /* This needs to come after some library #include
    to get __GNU_LIBRARY__ defined.  */
-#ifdef	__GNU_LIBRARY__
+#if defined (__GNU_LIBRARY__) || defined (__sgi)
 /* Don't include stdlib.h for non-GNU C libraries because some of them
    contain conflicting prototypes for getopt.  */
 #include <stdlib.h>
@@ -158,8 +151,11 @@ static enum
 {
   REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
 } ordering;
+
+/* Value of POSIXLY_CORRECT environment variable.  */
+static char *posixly_correct;
 
-#ifdef	__GNU_LIBRARY__
+#if defined (__GNU_LIBRARY__) || defined (__sgi)
 /* We want to avoid inclusion of string.h with non-GNU libraries
    because there are many ways it can cause trouble.
    On some systems, it contains special magic macros that don't work
@@ -190,11 +186,12 @@ my_index (str, chr)
 /* If using GCC, we can safely declare strlen this way.
    If not using GCC, it is ok not to declare it.  */
 #ifdef __GNUC__
+/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
+   That was relevant to code that was here before.  */
 #ifndef __STDC__
-/* Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
-   Enable Emacs to compile on it.  */
-#include <stddef.h>
-extern size_t strlen (const char *);
+/* gcc with -traditional declares the built-in strlen to return int,
+   and has done so at least since version 2.4.5. -- rms.  */
+extern int strlen (const char *);
 #endif /* not __STDC__ */
 #endif /* __GNUC__ */
 
@@ -288,6 +285,8 @@ _getopt_initialize (optstring)
 
   nextchar = NULL;
 
+  posixly_correct = getenv ("POSIXLY_CORRECT");
+
   /* Determine how to handle the ordering of options and nonoptions.  */
 
   if (optstring[0] == '-')
@@ -300,7 +299,7 @@ _getopt_initialize (optstring)
       ordering = REQUIRE_ORDER;
       ++optstring;
     }
-  else if (getenv ("POSIXLY_CORRECT") != NULL)
+  else if (posixly_correct != NULL)
     ordering = REQUIRE_ORDER;
   else
     ordering = PERMUTE;
@@ -479,6 +478,10 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
       for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
 	/* Do nothing.  */ ;
 
+#ifdef lint		/* Suppress `used before initialized' warning.  */
+      indfound = 0;
+#endif
+
       /* Test all long options for either exact match
 	 or abbreviated matches.  */
       for (p = longopts, option_index = 0; p->name; p++, option_index++)
@@ -604,8 +607,11 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
       {
 	if (opterr)
 	  {
-	    /* 1003.2 specifies the format of this message.  */
-	    fprintf (stderr, "%s: illegal option -- %c\n", argv[0], c);
+	    if (posixly_correct)
+	      /* 1003.2 specifies the format of this message.  */
+	      fprintf (stderr, "%s: illegal option -- %c\n", argv[0], c);
+	    else
+	      fprintf (stderr, "%s: invalid option -- %c\n", argv[0], c);
 	  }
 	optopt = c;
 	return '?';