X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=libiberty%2Fsetenv.c;h=82bf1b83600fae86c7f9eee99fffaf7bfc157ef3;hb=5f8989944880cad1bfffab3801214a0a9b67b72e;hp=79e38ed56b0026902d7186f7e767023004d512e6;hpb=56056af5183cab49805bcf8f3cb969df66ffff2a;p=deliverable%2Fbinutils-gdb.git

diff --git a/libiberty/setenv.c b/libiberty/setenv.c
index 79e38ed56b..82bf1b8360 100644
--- a/libiberty/setenv.c
+++ b/libiberty/setenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file based on setenv.c in the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,13 +13,14 @@
 
    You should have received a copy of the GNU Library General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 
 /*
 
-@deftypefn Supplemental int setenv (const char *@var{name}, const char *@var{value}, int @var{overwrite})
+@deftypefn Supplemental int setenv (const char *@var{name}, @
+  const char *@var{value}, int @var{overwrite})
 @deftypefnx Supplemental void unsetenv (const char *@var{name})
 
 @code{setenv} adds @var{name} to the environment with value
@@ -36,6 +37,9 @@ environment.  This implementation is not safe for multithreaded code.
 # include <config.h>
 #endif
 
+#define setenv libiberty_setenv
+#define unsetenv libiberty_unsetenv
+
 #include "ansidecl.h"
 #include <sys/types.h> /* For `size_t' */
 #include <stdio.h>     /* For `NULL' */
@@ -57,9 +61,10 @@ extern int errno;
 #endif
 
 #define __environ	environ
-#ifndef HAVE_ENVIRON_DECL
-extern char **environ;
-#endif
+#include "environ.h"
+
+#undef setenv
+#undef unsetenv
 
 /* LOCK and UNLOCK are defined as no-ops.  This makes the libiberty
  * implementation MT-Unsafe. */
@@ -74,10 +79,7 @@ static char **last_environ;
 
 
 int
-setenv (name, value, replace)
-     const char *name;
-     const char *value;
-     int replace;
+setenv (const char *name, const char *value, int replace)
 {
   register char **ep = 0;
   register size_t size;
@@ -112,7 +114,7 @@ setenv (name, value, replace)
 	  return -1;
 	}
 
-      new_environ[size] = malloc (namelen + 1 + vallen);
+      new_environ[size] = (char *) malloc (namelen + 1 + vallen);
       if (new_environ[size] == NULL)
 	{
 	  free ((char *) new_environ);
@@ -139,13 +141,13 @@ setenv (name, value, replace)
       if (len + 1 < namelen + 1 + vallen)
 	{
 	  /* The existing string is too short; malloc a new one.  */
-	  char *new = malloc (namelen + 1 + vallen);
-	  if (new == NULL)
+	  char *new_string = (char *) malloc (namelen + 1 + vallen);
+	  if (new_string == NULL)
 	    {
 	      UNLOCK;
 	      return -1;
 	    }
-	  *ep = new;
+	  *ep = new_string;
 	}
       memcpy (*ep, name, namelen);
       (*ep)[namelen] = '=';
@@ -158,8 +160,7 @@ setenv (name, value, replace)
 }
 
 void
-unsetenv (name)
-     const char *name;
+unsetenv (const char *name)
 {
   const size_t len = strlen (name);
   char **ep;