X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsetenv.c;h=d7851a8b7ac1bbc1ddf6f5044ad605171fd19864;hb=bba1410c5853394a80c9abb74a9a665893336caf;hp=178191c6173f161e20d0a63e395037a404c34498;hpb=7c59efd8bc7abb8c79ae969a65ece95e68c9be4c;p=gnulib.git diff --git a/lib/setenv.c b/lib/setenv.c index 178191c61..d7851a8b7 100644 --- a/lib/setenv.c +++ b/lib/setenv.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1995-2003, 2005-2010 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 @@ -15,6 +15,7 @@ along with this program. If not, see . */ #if !_LIBC +# define _GL_USE_STDLIB_ALLOC 1 # include #endif @@ -48,7 +49,7 @@ #endif #if _LIBC -/* This lock protects against simultaneous modifications of `environ'. */ +/* This lock protects against simultaneous modifications of 'environ'. */ # include __libc_lock_define_initialized (static, envlock) # define LOCK __libc_lock_lock (envlock) @@ -102,11 +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, @@ -298,7 +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 @@ -349,6 +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