X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsetenv.c;h=995a0f26a1c7c9df954101aa57bc72db751503cf;hb=fa1db0dd22768f09a507674a30beb5b8a87bb35f;hp=7c061925dd7ffb5034dece4eaf07472d6d43f62f;hpb=d60f3b0c6b0f93a601acd1cfd3923f94ca05abb0;p=gnulib.git

diff --git a/lib/setenv.c b/lib/setenv.c
index 7c061925d..995a0f26a 100644
--- a/lib/setenv.c
+++ b/lib/setenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1995-2003, 2005-2011 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1995-2003, 2005-2013 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
@@ -15,12 +15,13 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #if !_LIBC
-# include <config.h>
-#endif
-
 /* Don't use __attribute__ __nonnull__ in this compilation unit.  Otherwise gcc
    optimizes away the name == NULL test below.  */
-#define _GL_ARG_NONNULL(params)
+# define _GL_ARG_NONNULL(params)
+
+# define _GL_USE_STDLIB_ALLOC 1
+# include <config.h>
+#endif
 
 #include <alloca.h>
 
@@ -48,7 +49,7 @@
 #endif
 
 #if _LIBC
-/* This lock protects against simultaneous modifications of `environ'.  */
+/* This lock protects against simultaneous modifications of 'environ'.  */
 # include <bits/libc-lock.h>
 __libc_lock_define_initialized (static, envlock)
 # define LOCK   __libc_lock_lock (envlock)
@@ -64,10 +65,6 @@ __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
@@ -106,11 +103,11 @@ static void *known_values;
 static char **last_environ;
 
 
-/* This function is used by `setenv' and `putenv'.  The difference between
+/* This function is used by 'setenv' and 'putenv'.  The difference between
    the two functions is that for the former must create a new string which
-   is then placed in the environment, while the argument of `putenv'
+   is then placed in the environment, while the argument of 'putenv'
    must be used directly.  This is all complicated by the fact that we try
-   to reuse values once generated for a `setenv' call since we can never
+   to reuse values once generated for a 'setenv' call since we can never
    free the strings.  */
 int
 __add_to_environ (const char *name, const char *value, const char *combined,
@@ -302,7 +299,7 @@ setenv (const char *name, const char *value, int replace)
   return __add_to_environ (name, value, NULL, replace);
 }
 
-/* The `clearenv' was planned to be added to POSIX.1 but probably
+/* The 'clearenv' was planned to be added to POSIX.1 but probably
    never made it.  Nevertheless the POSIX.9 standard (POSIX bindings
    for Fortran 77) requires this function.  */
 int
@@ -353,6 +350,9 @@ weak_alias (__clearenv, clearenv)
 #if HAVE_SETENV
 
 # undef setenv
+# if !HAVE_DECL_SETENV
+extern int setenv (const char *, const char *, int);
+# endif
 # define STREQ(a, b) (strcmp (a, b) == 0)
 
 int