X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsetenv.c;h=995a0f26a1c7c9df954101aa57bc72db751503cf;hb=5a448a463a290b59549f2ee1cf6c1b01a6043f45;hp=173d95f28b4853599777e28f7d20fdb7d32cd904;hpb=8cce8985192467efefcc4f3fbed7e5385aa84154;p=gnulib.git

diff --git a/lib/setenv.c b/lib/setenv.c
index 173d95f28..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
@@ -15,14 +15,14 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #if !_LIBC
+/* 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_USE_STDLIB_ALLOC 1
 # 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)
-
 #include <alloca.h>
 
 /* Specification.  */
@@ -49,7 +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)
@@ -103,11 +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,
@@ -299,7 +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
@@ -350,6 +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