diff options
Diffstat (limited to 'tests/setenv.c')
| -rw-r--r-- | tests/setenv.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/tests/setenv.c b/tests/setenv.c index ee9da0d..6b16fd5 100644 --- a/tests/setenv.c +++ b/tests/setenv.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1995-2003, 2005-2010 Free Software Foundation, Inc. +/* Copyright (C) 1992, 1995-2003, 2005-2015 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) @@ -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, @@ -147,6 +148,9 @@ __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; } @@ -295,7 +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 @@ -346,6 +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 |