diff options
Diffstat (limited to 'lib/string.h')
| -rw-r--r-- | lib/string.h | 1287 |
1 files changed, 1287 insertions, 0 deletions
diff --git a/lib/string.h b/lib/string.h new file mode 100644 index 00000000..efa9b4df --- /dev/null +++ b/lib/string.h @@ -0,0 +1,1287 @@ +/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ +/* A GNU-like <string.h>. + + Copyright (C) 1995-1996, 2001-2010 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 + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + 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 + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +/* The include_next requires a split double-inclusion guard. */ +# + +#ifndef _GL_STRING_H +#define _GL_STRING_H + +/* NetBSD 5.0 mis-defines NULL. */ +#include <stddef.h> + +/* MirBSD defines mbslen as a macro. */ +#if && defined __MirBSD__ +# 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. */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +#else +# define _GL_ATTRIBUTE_PURE /* empty */ +#endif + +/* NetBSD 5.0 declares strsignal in <unistd.h>, not in <string.h>. */ +/* But in any case avoid namespace pollution on glibc systems. */ +#if ( || defined GNULIB_POSIXCHECK) && defined __NetBSD__ \ + && ! defined __GLIBC__ +# include <unistd.h> +#endif + +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ +#ifndef _GL_CXXDEFS_H +#define _GL_CXXDEFS_H + +/* The three most frequent use cases of these macros are: + + * For providing a substitute for a function that is missing on some + platforms, but is declared and works fine on the platforms on which + it exists: + + #if @GNULIB_FOO@ + # if !@HAVE_FOO@ + _GL_FUNCDECL_SYS (foo, ...); + # endif + _GL_CXXALIAS_SYS (foo, ...); + _GL_CXXALIASWARN (foo); + #elif defined GNULIB_POSIXCHECK + ... + #endif + + * For providing a replacement for a function that exists on all platforms, + but is broken/insufficient and needs to be replaced on some platforms: + + #if @GNULIB_FOO@ + # if @REPLACE_FOO@ + # if !(defined __cplusplus && defined GNULIB_NAMESPACE) + # undef foo + # define foo rpl_foo + # endif + _GL_FUNCDECL_RPL (foo, ...); + _GL_CXXALIAS_RPL (foo, ...); + # else + _GL_CXXALIAS_SYS (foo, ...); + # endif + _GL_CXXALIASWARN (foo); + #elif defined GNULIB_POSIXCHECK + ... + #endif + + * For providing a replacement for a function that exists on some platforms + but is broken/insufficient and needs to be replaced on some of them and + is additionally either missing or undeclared on some other platforms: + + #if @GNULIB_FOO@ + # if @REPLACE_FOO@ + # if !(defined __cplusplus && defined GNULIB_NAMESPACE) + # undef foo + # define foo rpl_foo + # endif + _GL_FUNCDECL_RPL (foo, ...); + _GL_CXXALIAS_RPL (foo, ...); + # else + # if !@HAVE_FOO@ or if !@HAVE_DECL_FOO@ + _GL_FUNCDECL_SYS (foo, ...); + # endif + _GL_CXXALIAS_SYS (foo, ...); + # endif + _GL_CXXALIASWARN (foo); + #elif defined GNULIB_POSIXCHECK + ... + #endif +*/ + +/* _GL_EXTERN_C declaration; + performs the declaration with C linkage. */ +#if defined __cplusplus +# define _GL_EXTERN_C extern "C" +#else +# define _GL_EXTERN_C extern +#endif + +/* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes); + declares a replacement function, named rpl_func, with the given prototype, + consisting of return type, parameters, and attributes. + Example: + _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...) + _GL_ARG_NONNULL ((1))); + */ +#define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \ + _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes) +#define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \ + _GL_EXTERN_C rettype rpl_func parameters_and_attributes + +/* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes); + declares the system function, named func, with the given prototype, + consisting of return type, parameters, and attributes. + Example: + _GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...) + _GL_ARG_NONNULL ((1))); + */ +#define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \ + _GL_EXTERN_C rettype func parameters_and_attributes + +/* _GL_CXXALIAS_RPL (func, rettype, parameters); + declares a C++ alias called GNULIB_NAMESPACE::func + that redirects to rpl_func, if GNULIB_NAMESPACE is defined. + Example: + _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...)); + */ +#define _GL_CXXALIAS_RPL(func,rettype,parameters) \ + _GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters) +#if defined __cplusplus && defined GNULIB_NAMESPACE +# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ + namespace GNULIB_NAMESPACE \ + { \ + rettype (*const func) parameters = ::rpl_func; \ + } \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#else +# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#endif + +/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters); + is like _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters); + except that the C function rpl_func may have a slightly different + declaration. A cast is used to silence the "invalid conversion" error + that would otherwise occur. */ +#if defined __cplusplus && defined GNULIB_NAMESPACE +# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ + namespace GNULIB_NAMESPACE \ + { \ + rettype (*const func) parameters = \ + reinterpret_cast<rettype(*)parameters>(::rpl_func); \ + } \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#else +# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#endif + +/* _GL_CXXALIAS_SYS (func, rettype, parameters); + declares a C++ alias called GNULIB_NAMESPACE::func + that redirects to the system provided function func, if GNULIB_NAMESPACE + is defined. + Example: + _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); + */ +#if defined __cplusplus && defined GNULIB_NAMESPACE + /* If we were to write + rettype (*const func) parameters = ::func; + like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls + better (remove an indirection through a 'static' pointer variable), + but then the _GL_CXXALIASWARN macro below would cause a warning not only + for uses of ::func but also for uses of GNULIB_NAMESPACE::func. */ +# define _GL_CXXALIAS_SYS(func,rettype,parameters) \ + namespace GNULIB_NAMESPACE \ + { \ + static rettype (*func) parameters = ::func; \ + } \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#else +# define _GL_CXXALIAS_SYS(func,rettype,parameters) \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#endif + +/* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters); + is like _GL_CXXALIAS_SYS (func, rettype, parameters); + except that the C function func may have a slightly different declaration. + A cast is used to silence the "invalid conversion" error that would + otherwise occur. */ +#if defined __cplusplus && defined GNULIB_NAMESPACE +# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ + namespace GNULIB_NAMESPACE \ + { \ + static rettype (*func) parameters = \ + reinterpret_cast<rettype(*)parameters>(::func); \ + } \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#else +# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#endif + +/* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2); + is like _GL_CXXALIAS_SYS (func, rettype, parameters); + except that the C function is picked among a set of overloaded functions, + namely the one with rettype2 and parameters2. Two consecutive casts + are used to silence the "cannot find a match" and "invalid conversion" + errors that would otherwise occur. */ +#if defined __cplusplus && defined GNULIB_NAMESPACE + /* The outer cast must be a reinterpret_cast. + The inner cast: When the function is defined as a set of overloaded + functions, it works as a static_cast<>, choosing the designated variant. + When the function is defined as a single variant, it works as a + reinterpret_cast<>. The parenthesized cast syntax works both ways. */ +# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ + namespace GNULIB_NAMESPACE \ + { \ + static rettype (*func) parameters = \ + reinterpret_cast<rettype(*)parameters>( \ + (rettype2(*)parameters2)(::func)); \ + } \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#else +# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#endif + +/* _GL_CXXALIASWARN (func); + causes a warning to be emitted when ::func is used but not when + GNULIB_NAMESPACE::func is used. func must be defined without overloaded + variants. */ +#if defined __cplusplus && defined GNULIB_NAMESPACE +# define _GL_CXXALIASWARN(func) \ + _GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE) +# define _GL_CXXALIASWARN_1(func,namespace) \ + _GL_CXXALIASWARN_2 (func, namespace) +/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>, + we enable the warning only when not optimizing. */ +# if !__OPTIMIZE__ +# define _GL_CXXALIASWARN_2(func,namespace) \ + _GL_WARN_ON_USE (func, \ + "The symbol ::" #func " refers to the system function. " \ + "Use " #namespace "::" #func " instead.") +# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING +# define _GL_CXXALIASWARN_2(func,namespace) \ + extern __typeof__ (func) func +# else +# define _GL_CXXALIASWARN_2(func,namespace) \ + _GL_EXTERN_C int _gl_cxxalias_dummy +# endif +#else +# define _GL_CXXALIASWARN(func) \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#endif + +/* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes); + causes a warning to be emitted when the given overloaded variant of ::func + is used but not when GNULIB_NAMESPACE::func is used. */ +#if defined __cplusplus && defined GNULIB_NAMESPACE +# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ + _GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \ + GNULIB_NAMESPACE) +# define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \ + _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace) +/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>, + we enable the warning only when not optimizing. */ +# if !__OPTIMIZE__ +# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ + _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \ + "The symbol ::" #func " refers to the system function. " \ + "Use " #namespace "::" #func " instead.") +# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING +# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ + extern __typeof__ (func) func +# else +# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ + _GL_EXTERN_C int _gl_cxxalias_dummy +# endif +#else +# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ + _GL_EXTERN_C int _gl_cxxalias_dummy +#endif + +#endif /* _GL_CXXDEFS_H */ + +/* The definition of _GL_ARG_NONNULL is copied here. */ +/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools + that the values passed as arguments n, ..., m must be non-NULL pointers. + n = 1 stands for the first argument, n = 2 for the second argument etc. */ +#ifndef _GL_ARG_NONNULL +# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3 +# define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params)) +# else +# define _GL_ARG_NONNULL(params) +# endif +#endif + +/* The definition of _GL_WARN_ON_USE is copied here. */ +#ifndef _GL_WARN_ON_USE + +# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) +/* A compiler attribute is available in gcc versions 4.3.0 and later. */ +# define _GL_WARN_ON_USE(function, message) \ +extern __typeof__ (function) function __attribute__ ((__warning__ (message))) +# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING +/* Verify the existence of the function. */ +# define _GL_WARN_ON_USE(function, message) \ +extern __typeof__ (function) function +# else /* Unsupported. */ +# define _GL_WARN_ON_USE(function, message) \ +_GL_WARN_EXTERN_C int _gl_warn_on_use +# endif +#endif + +/* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string") + is like _GL_WARN_ON_USE (function, "string"), except that the function is + declared with the given prototype, consisting of return type, parameters, + and attributes. + This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does + not work in this case. */ +#ifndef _GL_WARN_ON_USE_CXX +# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) +# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ +extern rettype function parameters_and_attributes \ + __attribute__ ((__warning__ (msg))) +# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING +/* Verify the existence of the function. */ +# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ +extern rettype function parameters_and_attributes +# else /* Unsupported. */ +# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ +_GL_WARN_EXTERN_C int _gl_warn_on_use +# endif +#endif + +/* _GL_WARN_EXTERN_C declaration; + performs the declaration with C linkage. */ +#ifndef _GL_WARN_EXTERN_C +# if defined __cplusplus +# define _GL_WARN_EXTERN_C extern "C" +# else +# define _GL_WARN_EXTERN_C extern +# endif +#endif + + +/* Return the first instance of C within N bytes of S, or NULL. */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define memchr rpl_memchr +# endif +_GL_FUNCDECL_RPL (memchr, void *, (void const *__s, int __c, size_t __n) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (memchr, void *, (void const *__s, int __c, size_t __n)); +# else +# if ! +_GL_FUNCDECL_SYS (memchr, void *, (void const *__s, int __c, size_t __n) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1))); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C" { const void * std::memchr (const void *, int, size_t); } + extern "C++" { void * std::memchr (void *, int, size_t); } */ +_GL_CXXALIAS_SYS_CAST2 (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) && !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 *, + (void const *__s, int __c, size_t __n)); +# else +_GL_CXXALIASWARN (memchr); +# endif +#elif defined GNULIB_POSIXCHECK +# undef memchr +/* Assume memchr is always declared. */ +_GL_WARN_ON_USE (memchr, "memchr has platform-specific bugs - " + "use gnulib module memchr for portability" ); +#endif + +/* Return the first occurrence of NEEDLE in HAYSTACK. */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define memmem rpl_memmem +# endif +_GL_FUNCDECL_RPL (memmem, void *, + (void const *__haystack, size_t __haystack_len, + void const *__needle, size_t __needle_len) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 3))); +_GL_CXXALIAS_RPL (memmem, void *, + (void const *__haystack, size_t __haystack_len, + void const *__needle, size_t __needle_len)); +# else +# if ! +_GL_FUNCDECL_SYS (memmem, void *, + (void const *__haystack, size_t __haystack_len, + void const *__needle, size_t __needle_len) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 3))); +# endif +_GL_CXXALIAS_SYS (memmem, void *, + (void const *__haystack, size_t __haystack_len, + void const *__needle, size_t __needle_len)); +# endif +_GL_CXXALIASWARN (memmem); +#elif defined GNULIB_POSIXCHECK +# undef memmem +# if HAVE_RAW_DECL_MEMMEM +_GL_WARN_ON_USE (memmem, "memmem is unportable and often quadratic - " + "use gnulib module memmem-simple for portability, " + "and module memmem for speed" ); +# endif +#endif + +/* Copy N bytes of SRC to DEST, return pointer to bytes after the + last written byte. */ +#if +# if ! +_GL_FUNCDECL_SYS (mempcpy, void *, + (void *restrict __dest, void const *restrict __src, + size_t __n) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (mempcpy, void *, + (void *restrict __dest, void const *restrict __src, + size_t __n)); +_GL_CXXALIASWARN (mempcpy); +#elif defined GNULIB_POSIXCHECK +# undef mempcpy +# if HAVE_RAW_DECL_MEMPCPY +_GL_WARN_ON_USE (mempcpy, "mempcpy is unportable - " + "use gnulib module mempcpy for portability"); +# endif +#endif + +/* Search backwards through a block for a byte (specified as an int). */ +#if +# if ! +_GL_FUNCDECL_SYS (memrchr, void *, (void const *, int, size_t) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1))); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C++" { const void * std::memrchr (const void *, int, size_t); } + extern "C++" { void * std::memrchr (void *, int, size_t); } */ +_GL_CXXALIAS_SYS_CAST2 (memrchr, + void *, (void const *, int, size_t), + void const *, (void const *, int, size_t)); +# 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)); +# else +_GL_CXXALIASWARN (memrchr); +# endif +#elif defined GNULIB_POSIXCHECK +# undef memrchr +# if HAVE_RAW_DECL_MEMRCHR +_GL_WARN_ON_USE (memrchr, "memrchr is unportable - " + "use gnulib module memrchr for portability"); +# endif +#endif + +/* Find the first occurrence of C in S. More efficient than + memchr(S,C,N), at the expense of undefined behavior if C does not + occur within N bytes. */ +#if +# if ! +_GL_FUNCDECL_SYS (rawmemchr, void *, (void const *__s, int __c_in) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1))); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C++" { const void * std::rawmemchr (const void *, int); } + extern "C++" { void * std::rawmemchr (void *, int); } */ +_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) && !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)); +# else +_GL_CXXALIASWARN (rawmemchr); +# endif +#elif defined GNULIB_POSIXCHECK +# undef rawmemchr +# if HAVE_RAW_DECL_RAWMEMCHR +_GL_WARN_ON_USE (rawmemchr, "rawmemchr is unportable - " + "use gnulib module rawmemchr for portability"); +# endif +#endif + +/* Copy SRC to DST, returning the address of the terminating '\0' in DST. */ +#if +# if ! +_GL_FUNCDECL_SYS (stpcpy, char *, + (char *restrict __dst, char const *restrict __src) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (stpcpy, char *, + (char *restrict __dst, char const *restrict __src)); +_GL_CXXALIASWARN (stpcpy); +#elif defined GNULIB_POSIXCHECK +# undef stpcpy +# if HAVE_RAW_DECL_STPCPY +_GL_WARN_ON_USE (stpcpy, "stpcpy is unportable - " + "use gnulib module stpcpy for portability"); +# endif +#endif + +/* Copy no more than N bytes of SRC to DST, returning a pointer past the + last non-NUL byte written into DST. */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef stpncpy +# define stpncpy rpl_stpncpy +# endif +_GL_FUNCDECL_RPL (stpncpy, char *, + (char *restrict __dst, char const *restrict __src, + size_t __n) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (stpncpy, char *, + (char *restrict __dst, char const *restrict __src, + size_t __n)); +# else +# if ! +_GL_FUNCDECL_SYS (stpncpy, char *, + (char *restrict __dst, char const *restrict __src, + size_t __n) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (stpncpy, char *, + (char *restrict __dst, char const *restrict __src, + size_t __n)); +# endif +_GL_CXXALIASWARN (stpncpy); +#elif defined GNULIB_POSIXCHECK +# undef stpncpy +# if HAVE_RAW_DECL_STPNCPY +_GL_WARN_ON_USE (stpncpy, "stpncpy is unportable - " + "use gnulib module stpncpy for portability"); +# endif +#endif + +#if defined GNULIB_POSIXCHECK +/* strchr() does not work with multibyte strings if the locale encoding is + GB18030 and the character to be searched is a digit. */ +# undef strchr +/* Assume strchr is always declared. */ +_GL_WARN_ON_USE (strchr, "strchr cannot work correctly on character strings " + "in some multibyte locales - " + "use mbschr if you care about internationalization"); +#endif + +/* Find the first occurrence of C in S or the final NUL byte. */ +#if +# if ! +_GL_FUNCDECL_SYS (strchrnul, char *, (char const *__s, int __c_in) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1))); +# 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) && !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)); +# else +_GL_CXXALIASWARN (strchrnul); +# endif +#elif defined GNULIB_POSIXCHECK +# undef strchrnul +# if HAVE_RAW_DECL_STRCHRNUL +_GL_WARN_ON_USE (strchrnul, "strchrnul is unportable - " + "use gnulib module strchrnul for portability"); +# endif +#endif + +/* Duplicate S, returning an identical malloc'd string. */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef strdup +# define strdup rpl_strdup +# endif +_GL_FUNCDECL_RPL (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (strdup, char *, (char const *__s)); +# else +# if defined __cplusplus && defined GNULIB_NAMESPACE && defined strdup + /* strdup exists as a function and as a macro. Get rid of the macro. */ +# undef strdup +# endif +# if !( || defined strdup) +_GL_FUNCDECL_SYS (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (strdup, char *, (char const *__s)); +# endif +_GL_CXXALIASWARN (strdup); +#elif defined GNULIB_POSIXCHECK +# undef strdup +# if HAVE_RAW_DECL_STRDUP +_GL_WARN_ON_USE (strdup, "strdup is unportable - " + "use gnulib module strdup for portability"); +# endif +#endif + +/* Append no more than N characters from SRC onto DEST. */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef strncat +# define strncat rpl_strncat +# endif +_GL_FUNCDECL_RPL (strncat, char *, (char *dest, const char *src, size_t n) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (strncat, char *, (char *dest, const char *src, size_t n)); +# else +_GL_CXXALIAS_SYS (strncat, char *, (char *dest, const char *src, size_t n)); +# endif +_GL_CXXALIASWARN (strncat); +#elif defined GNULIB_POSIXCHECK +# undef strncat +# if HAVE_RAW_DECL_STRNCAT +_GL_WARN_ON_USE (strncat, "strncat is unportable - " + "use gnulib module strncat for portability"); +# endif +#endif + +/* Return a newly allocated copy of at most N bytes of STRING. */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef strndup +# define strndup rpl_strndup +# endif +_GL_FUNCDECL_RPL (strndup, char *, (char const *__string, size_t __n) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (strndup, char *, (char const *__string, size_t __n)); +# else +# if ! +_GL_FUNCDECL_SYS (strndup, char *, (char const *__string, size_t __n) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (strndup, char *, (char const *__string, size_t __n)); +# endif +_GL_CXXALIASWARN (strndup); +#elif defined GNULIB_POSIXCHECK +# undef strndup +# if HAVE_RAW_DECL_STRNDUP +_GL_WARN_ON_USE (strndup, "strndup is unportable - " + "use gnulib module strndup for portability"); +# endif +#endif + +/* Find the length (number of bytes) of STRING, but scan at most + MAXLEN bytes. If no '\0' terminator is found in that many bytes, + return MAXLEN. */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef strnlen +# define strnlen rpl_strnlen +# endif +_GL_FUNCDECL_RPL (strnlen, size_t, (char const *__string, size_t __maxlen) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (strnlen, size_t, (char const *__string, size_t __maxlen)); +# else +# if ! +_GL_FUNCDECL_SYS (strnlen, size_t, (char const *__string, size_t __maxlen) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (strnlen, size_t, (char const *__string, size_t __maxlen)); +# endif +_GL_CXXALIASWARN (strnlen); +#elif defined GNULIB_POSIXCHECK +# undef strnlen +# if HAVE_RAW_DECL_STRNLEN +_GL_WARN_ON_USE (strnlen, "strnlen is unportable - " + "use gnulib module strnlen for portability"); +# endif +#endif + +#if defined GNULIB_POSIXCHECK +/* strcspn() assumes the second argument is a list of single-byte characters. + Even in this simple case, it does not work with multibyte strings if the + locale encoding is GB18030 and one of the characters to be searched is a + digit. */ +# undef strcspn +/* Assume strcspn is always declared. */ +_GL_WARN_ON_USE (strcspn, "strcspn cannot work correctly on character strings " + "in multibyte locales - " + "use mbscspn if you care about internationalization"); +#endif + +/* Find the first occurrence in S of any character in ACCEPT. */ +#if +# if ! +_GL_FUNCDECL_SYS (strpbrk, char *, (char const *__s, char const *__accept) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 2))); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C" { const char * strpbrk (const char *, const char *); } + extern "C++" { char * strpbrk (char *, const char *); } */ +_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) && !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 *__s, char const *__accept)); +# else +_GL_CXXALIASWARN (strpbrk); +# endif +# if defined GNULIB_POSIXCHECK +/* strpbrk() assumes the second argument is a list of single-byte characters. + Even in this simple case, it does not work with multibyte strings if the + locale encoding is GB18030 and one of the characters to be searched is a + digit. */ +# undef strpbrk +_GL_WARN_ON_USE (strpbrk, "strpbrk cannot work correctly on character strings " + "in multibyte locales - " + "use mbspbrk if you care about internationalization"); +# endif +#elif defined GNULIB_POSIXCHECK +# undef strpbrk +# if HAVE_RAW_DECL_STRPBRK +_GL_WARN_ON_USE (strpbrk, "strpbrk is unportable - " + "use gnulib module strpbrk for portability"); +# endif +#endif + +#if defined GNULIB_POSIXCHECK +/* strspn() assumes the second argument is a list of single-byte characters. + Even in this simple case, it cannot work with multibyte strings. */ +# undef strspn +/* Assume strspn is always declared. */ +_GL_WARN_ON_USE (strspn, "strspn cannot work correctly on character strings " + "in multibyte locales - " + "use mbsspn if you care about internationalization"); +#endif + +#if defined GNULIB_POSIXCHECK +/* strrchr() does not work with multibyte strings if the locale encoding is + GB18030 and the character to be searched is a digit. */ +# undef strrchr +/* Assume strrchr is always declared. */ +_GL_WARN_ON_USE (strrchr, "strrchr cannot work correctly on character strings " + "in some multibyte locales - " + "use mbsrchr if you care about internationalization"); +#endif + +/* Search the next delimiter (char listed in DELIM) starting at *STRINGP. + If one is found, overwrite it with a NUL, and advance *STRINGP + to point to the next char after it. Otherwise, set *STRINGP to NULL. + If *STRINGP was already NULL, nothing happens. + Return the old value of *STRINGP. + + This is a variant of strtok() that is multithread-safe and supports + empty fields. + + Caveat: It modifies the original string. + Caveat: These functions cannot be used on constant strings. + Caveat: The identity of the delimiting character is lost. + Caveat: It doesn't work with multibyte strings unless all of the delimiter + characters are ASCII characters < 0x30. + + See also strtok_r(). */ +#if +# if ! +_GL_FUNCDECL_SYS (strsep, char *, + (char **restrict __stringp, char const *restrict __delim) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (strsep, char *, + (char **restrict __stringp, char const *restrict __delim)); +_GL_CXXALIASWARN (strsep); +# if defined GNULIB_POSIXCHECK +# undef strsep +_GL_WARN_ON_USE (strsep, "strsep cannot work correctly on character strings " + "in multibyte locales - " + "use mbssep if you care about internationalization"); +# endif +#elif defined GNULIB_POSIXCHECK +# undef strsep +# if HAVE_RAW_DECL_STRSEP +_GL_WARN_ON_USE (strsep, "strsep is unportable - " + "use gnulib module strsep for portability"); +# endif +#endif + +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define strstr rpl_strstr +# endif +_GL_FUNCDECL_RPL (strstr, char *, (const char *haystack, const char *needle) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (strstr, char *, (const char *haystack, const char *needle)); +# else + /* On some systems, this function is defined as an overloaded function: + extern "C++" { const char * strstr (const char *, const char *); } + extern "C++" { char * strstr (char *, const char *); } */ +_GL_CXXALIAS_SYS_CAST2 (strstr, + char *, (const char *haystack, const char *needle), + const char *, (const char *haystack, const char *needle)); +# endif +# 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 *, + (const char *haystack, const char *needle)); +# else +_GL_CXXALIASWARN (strstr); +# endif +#elif defined GNULIB_POSIXCHECK +/* strstr() does not work with multibyte strings if the locale encoding is + different from UTF-8: + POSIX says that it operates on "strings", and "string" in POSIX is defined + as a sequence of bytes, not of characters. */ +# undef strstr +/* Assume strstr is always declared. */ +_GL_WARN_ON_USE (strstr, "strstr is quadratic on many systems, and cannot " + "work correctly on character strings in most " + "multibyte locales - " + "use mbsstr if you care about internationalization, " + "or use strstr if you care about speed"); +#endif + +/* Find the first occurrence of NEEDLE in HAYSTACK, using case-insensitive + comparison. */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define strcasestr rpl_strcasestr +# endif +_GL_FUNCDECL_RPL (strcasestr, char *, + (const char *haystack, const char *needle) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (strcasestr, char *, + (const char *haystack, const char *needle)); +# else +# if ! +_GL_FUNCDECL_SYS (strcasestr, char *, + (const char *haystack, const char *needle) + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 2))); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C++" { const char * strcasestr (const char *, const char *); } + extern "C++" { char * strcasestr (char *, const char *); } */ +_GL_CXXALIAS_SYS_CAST2 (strcasestr, + char *, (const char *haystack, const char *needle), + const char *, (const char *haystack, const char *needle)); +# endif +# 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 *, + (const char *haystack, const char *needle)); +# else +_GL_CXXALIASWARN (strcasestr); +# endif +#elif defined GNULIB_POSIXCHECK +/* strcasestr() does not work with multibyte strings: + It is a glibc extension, and glibc implements it only for unibyte + locales. */ +# undef strcasestr +# if HAVE_RAW_DECL_STRCASESTR +_GL_WARN_ON_USE (strcasestr, "strcasestr does work correctly on character " + "strings in multibyte locales - " + "use mbscasestr if you care about " + "internationalization, or use c-strcasestr if you want " + "a locale independent function"); +# endif +#endif + +/* Parse S into tokens separated by characters in DELIM. + If S is NULL, the saved pointer in SAVE_PTR is used as + the next starting point. For example: + char s[] = "-abc-=-def"; + char *sp; + x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def" + x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL + x = strtok_r(NULL, "=", &sp); // x = NULL + // s = "abc\0-def\0" + + This is a variant of strtok() that is multithread-safe. + + For the POSIX documentation for this function, see: + http://www.opengroup.org/susv3xsh/strtok.html + + Caveat: It modifies the original string. + Caveat: These functions cannot be used on constant strings. + Caveat: The identity of the delimiting character is lost. + Caveat: It doesn't work with multibyte strings unless all of the delimiter + characters are ASCII characters < 0x30. + + See also strsep(). */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef strtok_r +# define strtok_r rpl_strtok_r +# endif +_GL_FUNCDECL_RPL (strtok_r, char *, + (char *restrict s, char const *restrict delim, + char **restrict save_ptr) + _GL_ARG_NONNULL ((2, 3))); +_GL_CXXALIAS_RPL (strtok_r, char *, + (char *restrict s, char const *restrict delim, + char **restrict save_ptr)); +# else +# if || defined GNULIB_POSIXCHECK +# undef strtok_r +# endif +# if ! +_GL_FUNCDECL_SYS (strtok_r, char *, + (char *restrict s, char const *restrict delim, + char **restrict save_ptr) + _GL_ARG_NONNULL ((2, 3))); +# endif +_GL_CXXALIAS_SYS (strtok_r, char *, + (char *restrict s, char const *restrict delim, + char **restrict save_ptr)); +# endif +_GL_CXXALIASWARN (strtok_r); +# if defined GNULIB_POSIXCHECK +_GL_WARN_ON_USE (strtok_r, "strtok_r cannot work correctly on character " + "strings in multibyte locales - " + "use mbstok_r if you care about internationalization"); +# endif +#elif defined GNULIB_POSIXCHECK +# undef strtok_r +# if HAVE_RAW_DECL_STRTOK_R +_GL_WARN_ON_USE (strtok_r, "strtok_r is unportable - " + "use gnulib module strtok_r for portability"); +# endif +#endif + + +/* The following functions are not specified by POSIX. They are gnulib + extensions. */ + +#if +/* Return the number of multibyte characters in the character string STRING. + This considers multibyte characters, unlike strlen, which counts bytes. */ +# ifdef __MirBSD__ /* MirBSD defines mbslen as a macro. Override it. */ +# undef mbslen +# endif +# if /* AIX, OSF/1, MirBSD define mbslen already in libc. */ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define mbslen rpl_mbslen +# endif +_GL_FUNCDECL_RPL (mbslen, size_t, (const char *string) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (mbslen, size_t, (const char *string)); +# else +_GL_FUNCDECL_SYS (mbslen, size_t, (const char *string) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_SYS (mbslen, size_t, (const char *string)); +# endif +_GL_CXXALIASWARN (mbslen); +#endif + +#if +/* Return the number of multibyte characters in the character string starting + at STRING and ending at STRING + LEN. */ +_GL_EXTERN_C size_t mbsnlen (const char *string, size_t len) + _GL_ARG_NONNULL ((1)); +#endif + +#if +/* Locate the first single-byte character C in the character string STRING, + and return a pointer to it. Return NULL if C is not found in STRING. + Unlike strchr(), this function works correctly in multibyte locales with + encodings such as GB18030. */ +# if defined __hpux +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define mbschr rpl_mbschr /* avoid collision with HP-UX function */ +# endif +_GL_FUNCDECL_RPL (mbschr, char *, (const char *string, int c) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (mbschr, char *, (const char *string, int c)); +# else +_GL_FUNCDECL_SYS (mbschr, char *, (const char *string, int c) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_SYS (mbschr, char *, (const char *string, int c)); +# endif +_GL_CXXALIASWARN (mbschr); +#endif + +#if +/* Locate the last single-byte character C in the character string STRING, + 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 __cplusplus && defined GNULIB_NAMESPACE) +# define mbsrchr rpl_mbsrchr /* avoid collision with HP-UX function */ +# endif +_GL_FUNCDECL_RPL (mbsrchr, char *, (const char *string, int c) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (mbsrchr, char *, (const char *string, int c)); +# else +_GL_FUNCDECL_SYS (mbsrchr, char *, (const char *string, int c) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_SYS (mbsrchr, char *, (const char *string, int c)); +# endif +_GL_CXXALIASWARN (mbsrchr); +#endif + +#if +/* Find the first occurrence of the character string NEEDLE in the character + string HAYSTACK. Return NULL if NEEDLE is not found in HAYSTACK. + Unlike strstr(), this function works correctly in multibyte locales with + encodings different from UTF-8. */ +_GL_EXTERN_C char * mbsstr (const char *haystack, const char *needle) + _GL_ARG_NONNULL ((1, 2)); +#endif + +#if +/* Compare the character strings S1 and S2, ignoring case, returning less than, + equal to or greater than zero if S1 is lexicographically less than, equal to + or greater than S2. + Note: This function may, in multibyte locales, return 0 for strings of + different lengths! + Unlike strcasecmp(), this function works correctly in multibyte locales. */ +_GL_EXTERN_C int mbscasecmp (const char *s1, const char *s2) + _GL_ARG_NONNULL ((1, 2)); +#endif + +#if +/* Compare the initial segment of the character string S1 consisting of at most + N characters with the initial segment of the character string S2 consisting + of at most N characters, ignoring case, returning less than, equal to or + greater than zero if the initial segment of S1 is lexicographically less + than, equal to or greater than the initial segment of S2. + Note: This function may, in multibyte locales, return 0 for initial segments + of different lengths! + Unlike strncasecmp(), this function works correctly in multibyte locales. + But beware that N is not a byte count but a character count! */ +_GL_EXTERN_C int mbsncasecmp (const char *s1, const char *s2, size_t n) + _GL_ARG_NONNULL ((1, 2)); +#endif + +#if +/* Compare the initial segment of the character string STRING consisting of + at most mbslen (PREFIX) characters with the character string PREFIX, + ignoring case. If the two match, return a pointer to the first byte + after this prefix in STRING. Otherwise, return NULL. + Note: This function may, in multibyte locales, return non-NULL if STRING + is of smaller length than PREFIX! + Unlike strncasecmp(), this function works correctly in multibyte + locales. */ +_GL_EXTERN_C char * mbspcasecmp (const char *string, const char *prefix) + _GL_ARG_NONNULL ((1, 2)); +#endif + +#if +/* Find the first occurrence of the character string NEEDLE in the character + string HAYSTACK, using case-insensitive comparison. + Note: This function may, in multibyte locales, return success even if + strlen (haystack) < strlen (needle) ! + Unlike strcasestr(), this function works correctly in multibyte locales. */ +_GL_EXTERN_C char * mbscasestr (const char *haystack, const char *needle) + _GL_ARG_NONNULL ((1, 2)); +#endif + +#if +/* Find the first occurrence in the character string STRING of any character + in the character string ACCEPT. Return the number of bytes from the + beginning of the string to this occurrence, or to the end of the string + if none exists. + Unlike strcspn(), this function works correctly in multibyte locales. */ +_GL_EXTERN_C size_t mbscspn (const char *string, const char *accept) + _GL_ARG_NONNULL ((1, 2)); +#endif + +#if +/* Find the first occurrence in the character string STRING of any character + in the character string ACCEPT. Return the pointer to it, or NULL if none + exists. + Unlike strpbrk(), this function works correctly in multibyte locales. */ +# if defined __hpux +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define mbspbrk rpl_mbspbrk /* avoid collision with HP-UX function */ +# endif +_GL_FUNCDECL_RPL (mbspbrk, char *, (const char *string, const char *accept) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (mbspbrk, char *, (const char *string, const char *accept)); +# else +_GL_FUNCDECL_SYS (mbspbrk, char *, (const char *string, const char *accept) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_SYS (mbspbrk, char *, (const char *string, const char *accept)); +# endif +_GL_CXXALIASWARN (mbspbrk); +#endif + +#if +/* Find the first occurrence in the character string STRING of any character + not in the character string REJECT. Return the number of bytes from the + beginning of the string to this occurrence, or to the end of the string + if none exists. + Unlike strspn(), this function works correctly in multibyte locales. */ +_GL_EXTERN_C size_t mbsspn (const char *string, const char *reject) + _GL_ARG_NONNULL ((1, 2)); +#endif + +#if +/* Search the next delimiter (multibyte character listed in the character + string DELIM) starting at the character string *STRINGP. + If one is found, overwrite it with a NUL, and advance *STRINGP to point + to the next multibyte character after it. Otherwise, set *STRINGP to NULL. + If *STRINGP was already NULL, nothing happens. + Return the old value of *STRINGP. + + This is a variant of mbstok_r() that supports empty fields. + + Caveat: It modifies the original string. + Caveat: These functions cannot be used on constant strings. + Caveat: The identity of the delimiting character is lost. + + See also mbstok_r(). */ +_GL_EXTERN_C char * mbssep (char **stringp, const char *delim) + _GL_ARG_NONNULL ((1, 2)); +#endif + +#if +/* Parse the character string STRING into tokens separated by characters in + the character string DELIM. + If STRING is NULL, the saved pointer in SAVE_PTR is used as + the next starting point. For example: + char s[] = "-abc-=-def"; + char *sp; + x = mbstok_r(s, "-", &sp); // x = "abc", sp = "=-def" + x = mbstok_r(NULL, "-=", &sp); // x = "def", sp = NULL + x = mbstok_r(NULL, "=", &sp); // x = NULL + // s = "abc\0-def\0" + + Caveat: It modifies the original string. + Caveat: These functions cannot be used on constant strings. + Caveat: The identity of the delimiting character is lost. + + See also mbssep(). */ +_GL_EXTERN_C char * mbstok_r (char *string, const char *delim, char **save_ptr) + _GL_ARG_NONNULL ((2, 3)); +#endif + +/* Map any int, typically from errno, into an error message. */ +#if +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef strerror +# define strerror rpl_strerror +# endif +_GL_FUNCDECL_RPL (strerror, char *, (int)); +_GL_CXXALIAS_RPL (strerror, char *, (int)); +# else +_GL_CXXALIAS_SYS (strerror, char *, (int)); +# endif +_GL_CXXALIASWARN (strerror); +#elif defined GNULIB_POSIXCHECK +# undef strerror +/* Assume strerror is always declared. */ +_GL_WARN_ON_USE (strerror, "strerror is unportable - " + "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 +# if +# 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 ! +_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 +_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 +# if +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define strsignal rpl_strsignal +# endif +_GL_FUNCDECL_RPL (strsignal, char *, (int __sig)); +_GL_CXXALIAS_RPL (strsignal, char *, (int __sig)); +# else +# if ! +_GL_FUNCDECL_SYS (strsignal, char *, (int __sig)); +# endif +/* Need to cast, because on Cygwin 1.5.x systems, the return type is + 'const char *'. */ +_GL_CXXALIAS_SYS_CAST (strsignal, char *, (int __sig)); +# endif +_GL_CXXALIASWARN (strsignal); +#elif defined GNULIB_POSIXCHECK +# undef strsignal +# if HAVE_RAW_DECL_STRSIGNAL +_GL_WARN_ON_USE (strsignal, "strsignal is unportable - " + "use gnulib module strsignal for portability"); +# endif +#endif + +#if +# if ! +_GL_FUNCDECL_SYS (strverscmp, int, (const char *, const char *) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (strverscmp, int, (const char *, const char *)); +_GL_CXXALIASWARN (strverscmp); +#elif defined GNULIB_POSIXCHECK +# undef strverscmp +# if HAVE_RAW_DECL_STRVERSCMP +_GL_WARN_ON_USE (strverscmp, "strverscmp is unportable - " + "use gnulib module strverscmp for portability"); +# endif +#endif + + +#endif /* _GL_STRING_H */ +#endif /* _GL_STRING_H */ |