| /* DO NOT EDIT! GENERATED AUTOMATICALLY! */ |
| /* A GNU-like <string.h>. |
| |
| Copyright (C) 1995-1996, 2001-2012 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, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _GL_STRING_H |
| |
| #if __GNUC__ >= 3 |
| #pragma GCC system_header |
| #endif |
| |
| |
| /* The include_next requires a split double-inclusion guard. */ |
| #include_next <string.h> |
| |
| #ifndef _GL_STRING_H |
| #define _GL_STRING_H |
| |
| /* NetBSD 5.0 mis-defines NULL. */ |
| #include <stddef.h> |
| |
| /* MirBSD defines mbslen as a macro. */ |
| #if 0 && defined __MirBSD__ |
| # include <wchar.h> |
| #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 |
| |
| /* NetBSD 5.0 declares strsignal in <unistd.h>, not in <string.h>. */ |
| /* But in any case avoid namespace pollution on glibc systems. */ |
| #if (0 || 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 |
| |
| |
| /* Find the index of the least-significant set bit. */ |
| #if 0 |
| # if !1 |
| _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 0 |
| # if !1 |
| _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 1 |
| # if 0 |
| # 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 ! 1 |
| _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 0 |
| # if 0 |
| # 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 ! 1 |
| _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 0 |
| # if ! 1 |
| _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 0 |
| # if ! 1 |
| _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 1 |
| # if ! 0 |
| _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 1 |
| # if ! 1 |
| _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 0 |
| # if 0 |
| # 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 ! 1 |
| _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 1 |
| # if 0 |
| # 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 ! 0 |
| _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)); |
| # 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)); |
| # 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 1 |
| # if 0 |
| # 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 !(1 || 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 0 |
| # if 0 |
| # 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 1 |
| # if 0 |
| # 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 ! 1 |
| _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 1 |
| # if 0 |
| # 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 ! 1 |
| _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 0 |
| # if ! 1 |
| _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 0 |
| # if ! 1 |
| _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 0 |
| # if 0 |
| # 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 0 |
| # if 0 |
| # 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 ! 1 |
| _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 0 |
| # if 0 |
| # 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 0 || defined GNULIB_POSIXCHECK |
| # undef strtok_r |
| # endif |
| # if ! 1 |
| _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 0 |
| /* 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 0 /* 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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1))); |
| _GL_CXXALIAS_RPL (mbslen, size_t, (const char *string)); |
| # else |
| _GL_FUNCDECL_SYS (mbslen, size_t, (const char *string) |
| _GL_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1))); |
| _GL_CXXALIAS_SYS (mbslen, size_t, (const char *string)); |
| # endif |
| _GL_CXXALIASWARN (mbslen); |
| #endif |
| |
| #if 0 |
| /* 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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1)); |
| #endif |
| |
| #if 1 |
| /* 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_ATTRIBUTE_PURE |
| _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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1))); |
| _GL_CXXALIAS_SYS (mbschr, char *, (const char *string, int c)); |
| # endif |
| _GL_CXXALIASWARN (mbschr); |
| #endif |
| |
| #if 1 |
| /* 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 || defined __INTERIX |
| # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| # define mbsrchr rpl_mbsrchr /* avoid collision with system function */ |
| # endif |
| _GL_FUNCDECL_RPL (mbsrchr, char *, (const char *string, int c) |
| _GL_ATTRIBUTE_PURE |
| _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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1))); |
| _GL_CXXALIAS_SYS (mbsrchr, char *, (const char *string, int c)); |
| # endif |
| _GL_CXXALIASWARN (mbsrchr); |
| #endif |
| |
| #if 0 |
| /* 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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1, 2)); |
| #endif |
| |
| #if 0 |
| /* 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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1, 2)); |
| #endif |
| |
| #if 0 |
| /* 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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1, 2)); |
| #endif |
| |
| #if 0 |
| /* 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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1, 2)); |
| #endif |
| |
| #if 0 |
| /* 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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1, 2)); |
| #endif |
| |
| #if 0 |
| /* 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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1, 2)); |
| #endif |
| |
| #if 0 |
| /* 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_ATTRIBUTE_PURE |
| _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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1, 2))); |
| _GL_CXXALIAS_SYS (mbspbrk, char *, (const char *string, const char *accept)); |
| # endif |
| _GL_CXXALIASWARN (mbspbrk); |
| #endif |
| |
| #if 0 |
| /* 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_ATTRIBUTE_PURE |
| _GL_ARG_NONNULL ((1, 2)); |
| #endif |
| |
| #if 0 |
| /* 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 0 |
| /* 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 1 |
| # if 1 |
| # 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 1 |
| # if 1 |
| # 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 !1 |
| _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 1 |
| _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 0 |
| # if 0 |
| # 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 ! 1 |
| _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 1 |
| # if !0 |
| _GL_FUNCDECL_SYS (strverscmp, int, (const char *, const char *) |
| _GL_ATTRIBUTE_PURE |
| _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 */ |
