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[gnulib.git] / lib / setenv.c

diff --git a/lib/setenv.c b/lib/setenv.c
index 93a5ef9..ba760d6 100644 (file)
--- a/lib/setenv.c
+++ b/lib/setenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992,1995-1999,2000-2003,2005-2009 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1995-2003, 2005-2010 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This program is free software: you can redistribute it and/or modify
@@ -64,6 +64,10 @@ __libc_lock_define_initialized (static, envlock)
 # define clearenv __clearenv
 # define tfind __tfind
 # define tsearch __tsearch
+#else
+/* Use the system functions, not the gnulib overrides in this file.  */
+# undef malloc
+# undef realloc
 #endif
 
 /* In the GNU C library implementation we try to be more clever and
@@ -112,8 +116,8 @@ int
 __add_to_environ (const char *name, const char *value, const char *combined,
                   int replace)
 {
-  register char **ep;
-  register size_t size;
+  char **ep;
+  size_t size;
   const size_t namelen = strlen (name);
   const size_t vallen = value != NULL ? strlen (value) + 1 : 0;
 
@@ -147,6 +151,9 @@ __add_to_environ (const char *name, const char *value, const char *combined,
                    : realloc (last_environ, (size + 2) * sizeof (char *)));
       if (new_environ == NULL)
         {
+          /* It's easier to set errno to ENOMEM than to rely on the
+             'malloc-posix' and 'realloc-posix' gnulib modules.  */
+          __set_errno (ENOMEM);
           UNLOCK;
           return -1;
         }
@@ -249,7 +256,7 @@ __add_to_environ (const char *name, const char *value, const char *combined,
           if (np == NULL)
 #endif
             {
-              np = malloc (namelen + 1 + vallen);
+              np = (char *) malloc (namelen + 1 + vallen);
               if (np == NULL)
                 {
 #if defined USE_TSEARCH && !defined _LIBC