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Imported Upstream version 1.4.16+git20130902

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This commit is contained in:
Jan Wagner 2013-11-26 23:59:47 +01:00
parent e76be63abf
commit e70fb8c051
517 changed files with 44015 additions and 43295 deletions
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28
gl/setenv.c
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@ -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
@ -15,12 +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