aboutsummaryrefslogtreecommitdiff
path: root/gl/stdlib.in.h
diff options
context:
space:
mode:
Diffstat (limited to 'gl/stdlib.in.h')
-rw-r--r--gl/stdlib.in.h332
1 files changed, 288 insertions, 44 deletions
diff --git a/gl/stdlib.in.h b/gl/stdlib.in.h
index d4ac4690..c9552480 100644
--- a/gl/stdlib.in.h
+++ b/gl/stdlib.in.h
@@ -1,6 +1,6 @@
/* A GNU-like <stdlib.h>.
- Copyright (C) 1995, 2001-2004, 2006-2010 Free Software Foundation, Inc.
+ Copyright (C) 1995, 2001-2004, 2006-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -18,43 +18,60 @@
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
+@PRAGMA_COLUMNS@
-#if defined __need_malloc_and_calloc
-/* Special invocation convention inside glibc header files. */
+#if defined __need_system_stdlib_h || defined __need_malloc_and_calloc
+/* Special invocation conventions inside some gnulib header files,
+ and inside some glibc header files, respectively. */
#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
#else
/* Normal invocation convention. */
-#ifndef _GL_STDLIB_H
+#ifndef _@GUARD_PREFIX@_STDLIB_H
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
-#ifndef _GL_STDLIB_H
-#define _GL_STDLIB_H
+#ifndef _@GUARD_PREFIX@_STDLIB_H
+#define _@GUARD_PREFIX@_STDLIB_H
/* NetBSD 5.0 mis-defines NULL. */
#include <stddef.h>
+/* MirBSD 10 defines WEXITSTATUS in <sys/wait.h>, not in <stdlib.h>. */
+#if @GNULIB_SYSTEM_POSIX@ && !defined WEXITSTATUS
+# include <sys/wait.h>
+#endif
+
/* Solaris declares getloadavg() in <sys/loadavg.h>. */
#if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
# include <sys/loadavg.h>
#endif
-/* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
- from <stdlib.h> if _REENTRANT is defined. Include it always. */
-#if @HAVE_RANDOM_H@
-# include <random.h>
+/* Native Windows platforms declare mktemp() in <io.h>. */
+#if 0 && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
+# include <io.h>
#endif
-#if !@HAVE_STRUCT_RANDOM_DATA@ || (@GNULIB_RANDOM_R@ && !@HAVE_RANDOM_R@) \
- || defined GNULIB_POSIXCHECK
-# include <stdint.h>
-#endif
+#if @GNULIB_RANDOM_R@
+
+/* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
+ from <stdlib.h> if _REENTRANT is defined. Include it whenever we need
+ 'struct random_data'. */
+# if @HAVE_RANDOM_H@
+# include <random.h>
+# endif
-#if !@HAVE_STRUCT_RANDOM_DATA@
+# if !@HAVE_STRUCT_RANDOM_DATA@ || @REPLACE_RANDOM_R@ || !@HAVE_RANDOM_R@
+# include <stdint.h>
+# endif
+
+# if !@HAVE_STRUCT_RANDOM_DATA@
+/* Define 'struct random_data'.
+ But allow multiple gnulib generated <stdlib.h> replacements to coexist. */
+# if !GNULIB_defined_struct_random_data
struct random_data
{
int32_t *fptr; /* Front pointer. */
@@ -65,21 +82,29 @@ struct random_data
int rand_sep; /* Distance between front and rear. */
int32_t *end_ptr; /* Pointer behind state table. */
};
+# define GNULIB_defined_struct_random_data 1
+# endif
+# endif
#endif
-#if (@GNULIB_MKSTEMP@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
-/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
+#if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
+/* On Mac OS X 10.3, only <unistd.h> declares mkstemp. */
+/* On Mac OS X 10.5, only <unistd.h> declares mkstemps. */
/* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
/* But avoid namespace pollution on glibc systems and native Windows. */
# include <unistd.h>
#endif
-#ifndef __attribute__
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
-# define __attribute__(Spec) /* empty */
-# endif
+/* The __attribute__ feature is available in gcc versions 2.5 and later.
+ The attribute __pure__ was added in gcc 2.96. */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
+#else
+# define _GL_ATTRIBUTE_PURE /* empty */
#endif
+/* The definition of _Noreturn is copied here. */
+
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
/* The definition of _GL_ARG_NONNULL is copied here. */
@@ -105,7 +130,7 @@ struct random_data
/* Terminate the current process with the given return code, without running
the 'atexit' handlers. */
# if !@HAVE__EXIT@
-_GL_FUNCDECL_SYS (_Exit, void, (int status) __attribute__ ((__noreturn__)));
+_GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
# endif
_GL_CXXALIAS_SYS (_Exit, void, (int status));
_GL_CXXALIASWARN (_Exit);
@@ -122,7 +147,9 @@ _GL_WARN_ON_USE (_Exit, "_Exit is unportable - "
/* Parse a signed decimal integer.
Returns the value of the integer. Errors are not detected. */
# if !@HAVE_ATOLL@
-_GL_FUNCDECL_SYS (atoll, long long, (const char *string) _GL_ARG_NONNULL ((1)));
+_GL_FUNCDECL_SYS (atoll, long long, (const char *string)
+ _GL_ATTRIBUTE_PURE
+ _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (atoll, long long, (const char *string));
_GL_CXXALIASWARN (atoll);
@@ -172,7 +199,8 @@ _GL_CXXALIASWARN (canonicalize_file_name);
#elif defined GNULIB_POSIXCHECK
# undef canonicalize_file_name
# if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
-_GL_WARN_ON_USE (canonicalize_file_name, "canonicalize_file_name is unportable - "
+_GL_WARN_ON_USE (canonicalize_file_name,
+ "canonicalize_file_name is unportable - "
"use gnulib module canonicalize-lgpl for portability");
# endif
#endif
@@ -235,14 +263,19 @@ _GL_CXXALIASWARN (grantpt);
#elif defined GNULIB_POSIXCHECK
# undef grantpt
# if HAVE_RAW_DECL_GRANTPT
-_GL_WARN_ON_USE (ptsname, "grantpt is not portable - "
+_GL_WARN_ON_USE (grantpt, "grantpt is not portable - "
"use gnulib module grantpt for portability");
# endif
#endif
+/* If _GL_USE_STDLIB_ALLOC is nonzero, the including module does not
+ rely on GNU or POSIX semantics for malloc and realloc (for example,
+ by never specifying a zero size), so it does not need malloc or
+ realloc to be redefined. */
#if @GNULIB_MALLOC_POSIX@
# if @REPLACE_MALLOC@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
+ || _GL_USE_STDLIB_ALLOC)
# undef malloc
# define malloc rpl_malloc
# endif
@@ -252,13 +285,28 @@ _GL_CXXALIAS_RPL (malloc, void *, (size_t size));
_GL_CXXALIAS_SYS (malloc, void *, (size_t size));
# endif
_GL_CXXALIASWARN (malloc);
-#elif defined GNULIB_POSIXCHECK
+#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
# undef malloc
/* Assume malloc is always declared. */
_GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
"use gnulib module malloc-posix for portability");
#endif
+/* Convert a multibyte character to a wide character. */
+#if @GNULIB_MBTOWC@
+# if @REPLACE_MBTOWC@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef mbtowc
+# define mbtowc rpl_mbtowc
+# endif
+_GL_FUNCDECL_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
+_GL_CXXALIAS_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
+# else
+_GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
+# endif
+_GL_CXXALIASWARN (mbtowc);
+#endif
+
#if @GNULIB_MKDTEMP@
/* Create a unique temporary directory from TEMPLATE.
The last six characters of TEMPLATE must be "XXXXXX";
@@ -391,13 +439,38 @@ _GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
# endif
#endif
+#if @GNULIB_POSIX_OPENPT@
+/* Return an FD open to the master side of a pseudo-terminal. Flags should
+ include O_RDWR, and may also include O_NOCTTY. */
+# if !@HAVE_POSIX_OPENPT@
+_GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
+# endif
+_GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
+_GL_CXXALIASWARN (posix_openpt);
+#elif defined GNULIB_POSIXCHECK
+# undef posix_openpt
+# if HAVE_RAW_DECL_POSIX_OPENPT
+_GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
+ "use gnulib module posix_openpt for portability");
+# endif
+#endif
+
#if @GNULIB_PTSNAME@
/* Return the pathname of the pseudo-terminal slave associated with
the master FD is open on, or NULL on errors. */
-# if !@HAVE_PTSNAME@
+# if @REPLACE_PTSNAME@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef ptsname
+# define ptsname rpl_ptsname
+# endif
+_GL_FUNCDECL_RPL (ptsname, char *, (int fd));
+_GL_CXXALIAS_RPL (ptsname, char *, (int fd));
+# else
+# if !@HAVE_PTSNAME@
_GL_FUNCDECL_SYS (ptsname, char *, (int fd));
-# endif
+# endif
_GL_CXXALIAS_SYS (ptsname, char *, (int fd));
+# endif
_GL_CXXALIASWARN (ptsname);
#elif defined GNULIB_POSIXCHECK
# undef ptsname
@@ -407,6 +480,32 @@ _GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
# endif
#endif
+#if @GNULIB_PTSNAME_R@
+/* Set the pathname of the pseudo-terminal slave associated with
+ the master FD is open on and return 0, or set errno and return
+ non-zero on errors. */
+# if @REPLACE_PTSNAME_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef ptsname_r
+# define ptsname_r rpl_ptsname_r
+# endif
+_GL_FUNCDECL_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
+_GL_CXXALIAS_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
+# else
+# if !@HAVE_PTSNAME_R@
+_GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
+# endif
+_GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
+# endif
+_GL_CXXALIASWARN (ptsname_r);
+#elif defined GNULIB_POSIXCHECK
+# undef ptsname_r
+# if HAVE_RAW_DECL_PTSNAME_R
+_GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
+ "use gnulib module ptsname_r for portability");
+# endif
+#endif
+
#if @GNULIB_PUTENV@
# if @REPLACE_PUTENV@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
@@ -430,12 +529,83 @@ _GL_CXXALIASWARN (putenv);
# endif
#endif
+
+#if @GNULIB_RANDOM@
+# if !@HAVE_RANDOM@
+_GL_FUNCDECL_SYS (random, long, (void));
+# endif
+_GL_CXXALIAS_SYS (random, long, (void));
+_GL_CXXALIASWARN (random);
+#elif defined GNULIB_POSIXCHECK
+# undef random
+# if HAVE_RAW_DECL_RANDOM
+_GL_WARN_ON_USE (random, "random is unportable - "
+ "use gnulib module random for portability");
+# endif
+#endif
+
+#if @GNULIB_RANDOM@
+# if !@HAVE_RANDOM@
+_GL_FUNCDECL_SYS (srandom, void, (unsigned int seed));
+# endif
+_GL_CXXALIAS_SYS (srandom, void, (unsigned int seed));
+_GL_CXXALIASWARN (srandom);
+#elif defined GNULIB_POSIXCHECK
+# undef srandom
+# if HAVE_RAW_DECL_SRANDOM
+_GL_WARN_ON_USE (srandom, "srandom is unportable - "
+ "use gnulib module random for portability");
+# endif
+#endif
+
+#if @GNULIB_RANDOM@
+# if !@HAVE_RANDOM@
+_GL_FUNCDECL_SYS (initstate, char *,
+ (unsigned int seed, char *buf, size_t buf_size)
+ _GL_ARG_NONNULL ((2)));
+# endif
+_GL_CXXALIAS_SYS (initstate, char *,
+ (unsigned int seed, char *buf, size_t buf_size));
+_GL_CXXALIASWARN (initstate);
+#elif defined GNULIB_POSIXCHECK
+# undef initstate
+# if HAVE_RAW_DECL_INITSTATE_R
+_GL_WARN_ON_USE (initstate, "initstate is unportable - "
+ "use gnulib module random for portability");
+# endif
+#endif
+
+#if @GNULIB_RANDOM@
+# if !@HAVE_RANDOM@
+_GL_FUNCDECL_SYS (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (setstate, char *, (char *arg_state));
+_GL_CXXALIASWARN (setstate);
+#elif defined GNULIB_POSIXCHECK
+# undef setstate
+# if HAVE_RAW_DECL_SETSTATE_R
+_GL_WARN_ON_USE (setstate, "setstate is unportable - "
+ "use gnulib module random for portability");
+# endif
+#endif
+
+
#if @GNULIB_RANDOM_R@
-# if !@HAVE_RANDOM_R@
+# if @REPLACE_RANDOM_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef random_r
+# define random_r rpl_random_r
+# endif
+_GL_FUNCDECL_RPL (random_r, int, (struct random_data *buf, int32_t *result)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (random_r, int, (struct random_data *buf, int32_t *result));
+# else
+# if !@HAVE_RANDOM_R@
_GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
_GL_ARG_NONNULL ((1, 2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
+# endif
_GL_CXXALIASWARN (random_r);
#elif defined GNULIB_POSIXCHECK
# undef random_r
@@ -446,13 +616,25 @@ _GL_WARN_ON_USE (random_r, "random_r is unportable - "
#endif
#if @GNULIB_RANDOM_R@
-# if !@HAVE_RANDOM_R@
+# if @REPLACE_RANDOM_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef srandom_r
+# define srandom_r rpl_srandom_r
+# endif
+_GL_FUNCDECL_RPL (srandom_r, int,
+ (unsigned int seed, struct random_data *rand_state)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (srandom_r, int,
+ (unsigned int seed, struct random_data *rand_state));
+# else
+# if !@HAVE_RANDOM_R@
_GL_FUNCDECL_SYS (srandom_r, int,
(unsigned int seed, struct random_data *rand_state)
_GL_ARG_NONNULL ((2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (srandom_r, int,
(unsigned int seed, struct random_data *rand_state));
+# endif
_GL_CXXALIASWARN (srandom_r);
#elif defined GNULIB_POSIXCHECK
# undef srandom_r
@@ -463,15 +645,29 @@ _GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
#endif
#if @GNULIB_RANDOM_R@
-# if !@HAVE_RANDOM_R@
+# if @REPLACE_RANDOM_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef initstate_r
+# define initstate_r rpl_initstate_r
+# endif
+_GL_FUNCDECL_RPL (initstate_r, int,
+ (unsigned int seed, char *buf, size_t buf_size,
+ struct random_data *rand_state)
+ _GL_ARG_NONNULL ((2, 4)));
+_GL_CXXALIAS_RPL (initstate_r, int,
+ (unsigned int seed, char *buf, size_t buf_size,
+ struct random_data *rand_state));
+# else
+# if !@HAVE_RANDOM_R@
_GL_FUNCDECL_SYS (initstate_r, int,
(unsigned int seed, char *buf, size_t buf_size,
struct random_data *rand_state)
_GL_ARG_NONNULL ((2, 4)));
-# endif
+# endif
_GL_CXXALIAS_SYS (initstate_r, int,
(unsigned int seed, char *buf, size_t buf_size,
struct random_data *rand_state));
+# endif
_GL_CXXALIASWARN (initstate_r);
#elif defined GNULIB_POSIXCHECK
# undef initstate_r
@@ -482,13 +678,25 @@ _GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
#endif
#if @GNULIB_RANDOM_R@
-# if !@HAVE_RANDOM_R@
+# if @REPLACE_RANDOM_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef setstate_r
+# define setstate_r rpl_setstate_r
+# endif
+_GL_FUNCDECL_RPL (setstate_r, int,
+ (char *arg_state, struct random_data *rand_state)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (setstate_r, int,
+ (char *arg_state, struct random_data *rand_state));
+# else
+# if !@HAVE_RANDOM_R@
_GL_FUNCDECL_SYS (setstate_r, int,
(char *arg_state, struct random_data *rand_state)
_GL_ARG_NONNULL ((1, 2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (setstate_r, int,
(char *arg_state, struct random_data *rand_state));
+# endif
_GL_CXXALIASWARN (setstate_r);
#elif defined GNULIB_POSIXCHECK
# undef setstate_r
@@ -501,7 +709,8 @@ _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
#if @GNULIB_REALLOC_POSIX@
# if @REPLACE_REALLOC@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
+ || _GL_USE_STDLIB_ALLOC)
# undef realloc
# define realloc rpl_realloc
# endif
@@ -511,7 +720,7 @@ _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
_GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
# endif
_GL_CXXALIASWARN (realloc);
-#elif defined GNULIB_POSIXCHECK
+#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
# undef realloc
/* Assume realloc is always declared. */
_GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
@@ -558,6 +767,22 @@ _GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
# endif
#endif
+#if @GNULIB_SECURE_GETENV@
+/* Look up NAME in the environment, returning 0 in insecure situations. */
+# if !@HAVE_SECURE_GETENV@
+_GL_FUNCDECL_SYS (secure_getenv, char *,
+ (char const *name) _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (secure_getenv, char *, (char const *name));
+_GL_CXXALIASWARN (secure_getenv);
+#elif defined GNULIB_POSIXCHECK
+# undef secure_getenv
+# if HAVE_RAW_DECL_SECURE_GETENV
+_GL_WARN_ON_USE (secure_getenv, "secure_getenv is unportable - "
+ "use gnulib module secure_getenv for portability");
+# endif
+#endif
+
#if @GNULIB_SETENV@
/* Set NAME to VALUE in the environment.
If REPLACE is nonzero, overwrite an existing value. */
@@ -572,7 +797,7 @@ _GL_FUNCDECL_RPL (setenv, int,
_GL_CXXALIAS_RPL (setenv, int,
(const char *name, const char *value, int replace));
# else
-# if !@HAVE_SETENV@
+# if !@HAVE_DECL_SETENV@
_GL_FUNCDECL_SYS (setenv, int,
(const char *name, const char *value, int replace)
_GL_ARG_NONNULL ((1)));
@@ -580,7 +805,9 @@ _GL_FUNCDECL_SYS (setenv, int,
_GL_CXXALIAS_SYS (setenv, int,
(const char *name, const char *value, int replace));
# endif
+# if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
_GL_CXXALIASWARN (setenv);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef setenv
# if HAVE_RAW_DECL_SETENV
@@ -675,7 +902,7 @@ _GL_CXXALIASWARN (unlockpt);
#elif defined GNULIB_POSIXCHECK
# undef unlockpt
# if HAVE_RAW_DECL_UNLOCKPT
-_GL_WARN_ON_USE (ptsname, "unlockpt is not portable - "
+_GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
"use gnulib module unlockpt for portability");
# endif
#endif
@@ -690,12 +917,14 @@ _GL_WARN_ON_USE (ptsname, "unlockpt is not portable - "
_GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
# else
-# if !@HAVE_UNSETENV@
+# if !@HAVE_DECL_UNSETENV@
_GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
# endif
+# if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
_GL_CXXALIASWARN (unsetenv);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef unsetenv
# if HAVE_RAW_DECL_UNSETENV
@@ -704,7 +933,22 @@ _GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
# endif
#endif
+/* Convert a wide character to a multibyte character. */
+#if @GNULIB_WCTOMB@
+# if @REPLACE_WCTOMB@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef wctomb
+# define wctomb rpl_wctomb
+# endif
+_GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
+_GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
+# else
+_GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
+# endif
+_GL_CXXALIASWARN (wctomb);
+#endif
+
-#endif /* _GL_STDLIB_H */
-#endif /* _GL_STDLIB_H */
+#endif /* _@GUARD_PREFIX@_STDLIB_H */
+#endif /* _@GUARD_PREFIX@_STDLIB_H */
#endif