gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / libiberty / getopt.c

diff --git a/libiberty/getopt.c b/libiberty/getopt.c
index d09ce5a66b9a6ce30b70ab049be68e83cfb93f7f..7119b621c12a695852c1c7586b153cc961d665ca 100644 (file)
--- a/libiberty/getopt.c
+++ b/libiberty/getopt.c
@@ -3,8 +3,7 @@
    "Keep this file name-space clean" means, talk to drepper@gnu.org
    before changing it!
 
-   Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98
-       Free Software Foundation, Inc.
+   Copyright (C) 1987-2020 Free Software Foundation, Inc.
 
    NOTE: This source is derived from an old version taken from the GNU C
    Library (glibc).
@@ -42,6 +41,7 @@
 # endif
 #endif
 
+#include "ansidecl.h"
 #include <stdio.h>
 
 /* Comment out all this code if we are using the GNU C Library, and are not
@@ -212,8 +212,16 @@ static char *posixly_correct;
 /* Avoid depending on library functions or files
    whose names are inconsistent.  */
 
-#ifndef getenv
-extern char *getenv ();
+#if HAVE_STDLIB_H && HAVE_DECL_GETENV
+#  include <stdlib.h>
+#elif !defined(getenv)
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+extern char *getenv (const char *);
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
 #endif
 
 static char *
@@ -325,7 +333,7 @@ exchange (char **argv)
     {
       /* We must extend the array.  The user plays games with us and
         presents new arguments.  */
-      char *new_str = malloc (top + 1);
+      char *new_str = (char *) malloc (top + 1);
       if (new_str == NULL)
        nonoption_flags_len = nonoption_flags_max_len = 0;
       else
@@ -389,7 +397,9 @@ exchange (char **argv)
 static const char *_getopt_initialize (int, char *const *, const char *);
 #endif
 static const char *
-_getopt_initialize (int argc, char *const *argv, const char *optstring)
+_getopt_initialize (int argc ATTRIBUTE_UNUSED,
+                   char *const *argv ATTRIBUTE_UNUSED,
+                   const char *optstring)
 {
   /* Start processing options with ARGV-element 1 (since ARGV-element 0
      is the program name); the sequence of previously skipped