/* A GNU-like <string.h>.
- Copyright (C) 1995-1996, 2001-2010 Free Software Foundation, Inc.
+ Copyright (C) 1995-1996, 2001-2011 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
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-#ifndef _GL_STRING_H
+#ifndef _@GUARD_PREFIX@_STRING_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_STRING_H@
-#ifndef _GL_STRING_H
-#define _GL_STRING_H
+#ifndef _@GUARD_PREFIX@_STRING_H
+#define _@GUARD_PREFIX@_STRING_H
/* NetBSD 5.0 mis-defines NULL. */
#include <stddef.h>
# include <wchar.h>
#endif
-#ifndef __attribute__
-/* This feature is available in gcc versions 2.5 and later. */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
-# define __attribute__(Spec) /* empty */
-# endif
-#endif
-/* The attribute __pure__ was added in gcc 2.96. */
+/* 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
/* The definition of _GL_WARN_ON_USE is copied here. */
+/* Find the index of the least-significant set bit. */
+#if @GNULIB_FFSL@
+# if !@HAVE_FFSL@
+_GL_FUNCDECL_SYS (ffsl, int, (long int i));
+# endif
+_GL_CXXALIAS_SYS (ffsl, int, (long int i));
+_GL_CXXALIASWARN (ffsl);
+#elif defined GNULIB_POSIXCHECK
+# undef ffsl
+# if HAVE_RAW_DECL_FFSL
+_GL_WARN_ON_USE (ffsl, "ffsl is not portable - use the ffsl module");
+# endif
+#endif
+
+
+/* Find the index of the least-significant set bit. */
+#if @GNULIB_FFSLL@
+# if !@HAVE_FFSLL@
+_GL_FUNCDECL_SYS (ffsll, int, (long long int i));
+# endif
+_GL_CXXALIAS_SYS (ffsll, int, (long long int i));
+_GL_CXXALIASWARN (ffsll);
+#elif defined GNULIB_POSIXCHECK
+# undef ffsll
+# if HAVE_RAW_DECL_FFSLL
+_GL_WARN_ON_USE (ffsll, "ffsll is not portable - use the ffsll module");
+# endif
+#endif
+
+
/* Return the first instance of C within N bytes of S, or NULL. */
#if @GNULIB_MEMCHR@
# if @REPLACE_MEMCHR@
void *, (void const *__s, int __c, size_t __n),
void const *, (void const *__s, int __c, size_t __n));
# endif
-# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 10 \
+# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
&& (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
_GL_CXXALIASWARN1 (memchr, void *, (void *__s, int __c, size_t __n));
_GL_CXXALIASWARN1 (memchr, void const *,
_GL_CXXALIAS_SYS_CAST2 (memrchr,
void *, (void const *, int, size_t),
void const *, (void const *, int, size_t));
-# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 10 \
+# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
&& (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
_GL_CXXALIASWARN1 (memrchr, void *, (void *, int, size_t));
_GL_CXXALIASWARN1 (memrchr, void const *, (void const *, int, size_t));
_GL_CXXALIAS_SYS_CAST2 (rawmemchr,
void *, (void const *__s, int __c_in),
void const *, (void const *__s, int __c_in));
-# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 10 \
+# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
&& (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
_GL_CXXALIASWARN1 (rawmemchr, void *, (void *__s, int __c_in));
_GL_CXXALIASWARN1 (rawmemchr, void const *, (void const *__s, int __c_in));
/* Find the first occurrence of C in S or the final NUL byte. */
#if @GNULIB_STRCHRNUL@
-# if ! @HAVE_STRCHRNUL@
+# if @REPLACE_STRCHRNUL@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define strchrnul rpl_strchrnul
+# endif
+_GL_FUNCDECL_RPL (strchrnul, char *, (const char *__s, int __c_in)
+ _GL_ATTRIBUTE_PURE
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (strchrnul, char *,
+ (const char *str, int ch));
+# else
+# if ! @HAVE_STRCHRNUL@
_GL_FUNCDECL_SYS (strchrnul, char *, (char const *__s, int __c_in)
_GL_ATTRIBUTE_PURE
_GL_ARG_NONNULL ((1)));
-# endif
+# endif
/* On some systems, this function is defined as an overloaded function:
extern "C++" { const char * std::strchrnul (const char *, int); }
extern "C++" { char * std::strchrnul (char *, int); } */
_GL_CXXALIAS_SYS_CAST2 (strchrnul,
char *, (char const *__s, int __c_in),
char const *, (char const *__s, int __c_in));
-# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 10 \
+# endif
+# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
&& (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
_GL_CXXALIASWARN1 (strchrnul, char *, (char *__s, int __c_in));
_GL_CXXALIASWARN1 (strchrnul, char const *, (char const *__s, int __c_in));
_GL_CXXALIAS_SYS_CAST2 (strpbrk,
char *, (char const *__s, char const *__accept),
const char *, (char const *__s, char const *__accept));
-# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 10 \
+# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
&& (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
_GL_CXXALIASWARN1 (strpbrk, char *, (char *__s, char const *__accept));
_GL_CXXALIASWARN1 (strpbrk, char const *,
char *, (const char *haystack, const char *needle),
const char *, (const char *haystack, const char *needle));
# endif
-# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 10 \
+# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
&& (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
_GL_CXXALIASWARN1 (strstr, char *, (char *haystack, const char *needle));
_GL_CXXALIASWARN1 (strstr, const char *,
char *, (const char *haystack, const char *needle),
const char *, (const char *haystack, const char *needle));
# endif
-# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 10 \
+# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
&& (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
_GL_CXXALIASWARN1 (strcasestr, char *, (char *haystack, const char *needle));
_GL_CXXALIASWARN1 (strcasestr, const char *,
and return a pointer to it. Return NULL if C is not found in STRING.
Unlike strrchr(), this function works correctly in multibyte locales with
encodings such as GB18030. */
-# if defined __hpux
+# if defined __hpux || defined __INTERIX
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-# define mbsrchr rpl_mbsrchr /* avoid collision with HP-UX function */
+# define mbsrchr rpl_mbsrchr /* avoid collision with system function */
# endif
_GL_FUNCDECL_RPL (mbsrchr, char *, (const char *string, int c)
_GL_ARG_NONNULL ((1)));
"use gnulib module strerror to guarantee non-NULL result");
#endif
+/* Map any int, typically from errno, into an error message. Multithread-safe.
+ Uses the POSIX declaration, not the glibc declaration. */
+#if @GNULIB_STRERROR_R@
+# if @REPLACE_STRERROR_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef strerror_r
+# define strerror_r rpl_strerror_r
+# endif
+_GL_FUNCDECL_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen));
+# else
+# if !@HAVE_DECL_STRERROR_R@
+_GL_FUNCDECL_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen)
+ _GL_ARG_NONNULL ((2)));
+# endif
+_GL_CXXALIAS_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen));
+# endif
+# if @HAVE_DECL_STRERROR_R@
+_GL_CXXALIASWARN (strerror_r);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strerror_r
+# if HAVE_RAW_DECL_STRERROR_R
+_GL_WARN_ON_USE (strerror_r, "strerror_r is unportable - "
+ "use gnulib module strerror_r-posix for portability");
+# endif
+#endif
+
#if @GNULIB_STRSIGNAL@
# if @REPLACE_STRSIGNAL@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#endif
-#endif /* _GL_STRING_H */
-#endif /* _GL_STRING_H */
+#endif /* _@GUARD_PREFIX@_STRING_H */
+#endif /* _@GUARD_PREFIX@_STRING_H */
projects / gnulib.git / blobdiff