| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef _STRING_H |
| #define _STRING_H |
| |
| #include <sys/cdefs.h> |
| #include <stddef.h> |
| #include <xlocale.h> |
| |
| #include <bits/strcasecmp.h> |
| |
| __BEGIN_DECLS |
| |
| #if defined(__USE_BSD) |
| #include <strings.h> |
| #endif |
| |
| void* memccpy(void* __dst, const void* __src, int __stop_char, size_t __n); |
| void* memchr(const void* __s, int __ch, size_t __n) __attribute_pure__; |
| #if defined(__cplusplus) |
| extern "C++" void* memrchr(void* __s, int __ch, size_t __n) __RENAME(memrchr) __attribute_pure__; |
| extern "C++" const void* memrchr(const void* __s, int __ch, size_t __n) __RENAME(memrchr) __attribute_pure__; |
| #else |
| void* memrchr(const void* __s, int __ch, size_t __n) __attribute_pure__; |
| #endif |
| int memcmp(const void* __lhs, const void* __rhs, size_t __n) __attribute_pure__; |
| void* memcpy(void*, const void*, size_t); |
| #if defined(__USE_GNU) |
| |
| #if __ANDROID_API__ >= 23 |
| void* mempcpy(void* __dst, const void* __src, size_t __n) __INTRODUCED_IN(23); |
| #endif /* __ANDROID_API__ >= 23 */ |
| |
| #endif |
| void* memmove(void* __dst, const void* __src, size_t __n); |
| void* memset(void* __dst, int __ch, size_t __n); |
| void* memmem(const void* __haystack, size_t __haystack_size, const void* __needle, size_t __needle_size) __attribute_pure__; |
| |
| char* strchr(const char* __s, int __ch) __attribute_pure__; |
| |
| #if __ANDROID_API__ >= 18 |
| char* __strchr_chk(const char* __s, int __ch, size_t __n) __INTRODUCED_IN(18); |
| #endif /* __ANDROID_API__ >= 18 */ |
| |
| #if defined(__USE_GNU) |
| #if defined(__cplusplus) |
| |
| #if __ANDROID_API__ >= 24 |
| extern "C++" char* strchrnul(char* __s, int __ch) __RENAME(strchrnul) __attribute_pure__ __INTRODUCED_IN(24); |
| extern "C++" const char* strchrnul(const char* __s, int __ch) __RENAME(strchrnul) __attribute_pure__ __INTRODUCED_IN(24); |
| #endif /* __ANDROID_API__ >= 24 */ |
| |
| #else |
| |
| #if __ANDROID_API__ >= 24 |
| char* strchrnul(const char* __s, int __ch) __attribute_pure__ __INTRODUCED_IN(24); |
| #endif /* __ANDROID_API__ >= 24 */ |
| |
| #endif |
| #endif |
| |
| char* strrchr(const char* __s, int __ch) __attribute_pure__; |
| |
| #if __ANDROID_API__ >= 18 |
| char* __strrchr_chk(const char* __s, int __ch, size_t __n) __INTRODUCED_IN(18); |
| #endif /* __ANDROID_API__ >= 18 */ |
| |
| |
| size_t strlen(const char* __s) __attribute_pure__; |
| |
| #if __ANDROID_API__ >= 17 |
| size_t __strlen_chk(const char* __s, size_t __n) __INTRODUCED_IN(17); |
| #endif /* __ANDROID_API__ >= 17 */ |
| |
| |
| int strcmp(const char* __lhs, const char* __rhs) __attribute_pure__; |
| |
| #if __ANDROID_API__ >= 21 |
| char* stpcpy(char* __dst, const char* __src) __INTRODUCED_IN(21); |
| #endif /* __ANDROID_API__ >= 21 */ |
| |
| char* strcpy(char* __dst, const char* __src); |
| char* strcat(char* __dst, const char* __src); |
| char* strdup(const char* __s); |
| |
| char* strstr(const char* __haystack, const char* __needle) __attribute_pure__; |
| #if defined(__cplusplus) |
| extern "C++" char* strcasestr(char*, const char*) __RENAME(strcasestr) __attribute_pure__; |
| extern "C++" const char* strcasestr(const char*, const char*) __RENAME(strcasestr) __attribute_pure__; |
| #else |
| char* strcasestr(const char* __haystack, const char* __needle) __attribute_pure__; |
| #endif |
| char* strtok(char* __s, const char* __delimiter); |
| char* strtok_r(char* __s, const char* __delimiter, char** __pos_ptr); |
| |
| char* strerror(int __errno_value); |
| |
| #if __ANDROID_API__ >= 23 |
| char* strerror_l(int __errno_value, locale_t __l) __INTRODUCED_IN(23); |
| #endif /* __ANDROID_API__ >= 23 */ |
| |
| #if defined(__USE_GNU) && __ANDROID_API__ >= 23 |
| char* strerror_r(int __errno_value, char* __buf, size_t __n) __RENAME(__gnu_strerror_r) __INTRODUCED_IN(23); |
| #else /* POSIX */ |
| int strerror_r(int __errno_value, char* __buf, size_t __n); |
| #endif |
| |
| size_t strnlen(const char* __s, size_t __n) __attribute_pure__; |
| char* strncat(char* __dst, const char* __src, size_t __n); |
| char* strndup(const char* __s, size_t __n); |
| int strncmp(const char* __lhs, const char* __rhs, size_t __n) __attribute_pure__; |
| |
| #if __ANDROID_API__ >= 21 |
| char* stpncpy(char* __dst, const char* __src, size_t __n) __INTRODUCED_IN(21); |
| #endif /* __ANDROID_API__ >= 21 */ |
| |
| char* strncpy(char* __dst, const char* __src, size_t __n); |
| |
| size_t strlcat(char* __dst, const char* __src, size_t __n); |
| size_t strlcpy(char* __dst, const char* __src, size_t __n); |
| |
| size_t strcspn(const char* __s, const char* __reject) __attribute_pure__; |
| char* strpbrk(const char* __s, const char* __accept) __attribute_pure__; |
| char* strsep(char** __s_ptr, const char* __delimiter); |
| size_t strspn(const char* __s, const char* __accept); |
| |
| char* strsignal(int __signal); |
| |
| int strcoll(const char* __lhs, const char* __rhs) __attribute_pure__; |
| size_t strxfrm(char* __dst, const char* __src, size_t __n); |
| |
| #if __ANDROID_API__ >= __ANDROID_API_L__ |
| int strcoll_l(const char* __lhs, const char* __rhs, locale_t __l) __attribute_pure__ __INTRODUCED_IN(21); |
| size_t strxfrm_l(char* __dst, const char* __src, size_t __n, locale_t __l) __INTRODUCED_IN(21); |
| #else |
| // Implemented as static inlines before 21. |
| #endif |
| |
| #if defined(__USE_GNU) && !defined(basename) |
| /* |
| * glibc has a basename in <string.h> that's different to the POSIX one in <libgen.h>. |
| * It doesn't modify its argument, and in C++ it's const-correct. |
| */ |
| #if defined(__cplusplus) |
| |
| #if __ANDROID_API__ >= 23 |
| extern "C++" char* basename(char* __path) __RENAME(__gnu_basename) __INTRODUCED_IN(23); |
| extern "C++" const char* basename(const char* __path) __RENAME(__gnu_basename) __INTRODUCED_IN(23); |
| #endif /* __ANDROID_API__ >= 23 */ |
| |
| #else |
| |
| #if __ANDROID_API__ >= 23 |
| char* basename(const char* __path) __RENAME(__gnu_basename) __INTRODUCED_IN(23); |
| #endif /* __ANDROID_API__ >= 23 */ |
| |
| #endif |
| #endif |
| |
| #if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS) |
| #include <bits/fortify/string.h> |
| #endif |
| |
| /* Const-correct overloads. Placed after FORTIFY so we call those functions, if possible. */ |
| #if defined(__cplusplus) && defined(__clang__) |
| /* |
| * Use two enable_ifs so these overloads don't conflict with + are preferred over libcxx's. This can |
| * be reduced to 1 after libcxx recognizes that we have const-correct overloads. |
| */ |
| #define __prefer_this_overload __enable_if(true, "preferred overload") __enable_if(true, "") |
| extern "C++" { |
| inline __always_inline |
| void* __bionic_memchr(const void* const s __pass_object_size, int c, size_t n) { |
| return memchr(s, c, n); |
| } |
| |
| inline __always_inline |
| const void* memchr(const void* const s __pass_object_size, int c, size_t n) |
| __prefer_this_overload { |
| return __bionic_memchr(s, c, n); |
| } |
| |
| inline __always_inline |
| void* memchr(void* const s __pass_object_size, int c, size_t n) __prefer_this_overload { |
| return __bionic_memchr(s, c, n); |
| } |
| |
| inline __always_inline |
| char* __bionic_strchr(const char* const s __pass_object_size, int c) { |
| return strchr(s, c); |
| } |
| |
| inline __always_inline |
| const char* strchr(const char* const s __pass_object_size, int c) |
| __prefer_this_overload { |
| return __bionic_strchr(s, c); |
| } |
| |
| inline __always_inline |
| char* strchr(char* const s __pass_object_size, int c) |
| __prefer_this_overload { |
| return __bionic_strchr(s, c); |
| } |
| |
| inline __always_inline |
| char* __bionic_strrchr(const char* const s __pass_object_size, int c) { |
| return strrchr(s, c); |
| } |
| |
| inline __always_inline |
| const char* strrchr(const char* const s __pass_object_size, int c) __prefer_this_overload { |
| return __bionic_strrchr(s, c); |
| } |
| |
| inline __always_inline |
| char* strrchr(char* const s __pass_object_size, int c) __prefer_this_overload { |
| return __bionic_strrchr(s, c); |
| } |
| |
| /* Functions with no FORTIFY counterpart. */ |
| inline __always_inline |
| char* __bionic_strstr(const char* h, const char* n) { return strstr(h, n); } |
| |
| inline __always_inline |
| const char* strstr(const char* h, const char* n) __prefer_this_overload { |
| return __bionic_strstr(h, n); |
| } |
| |
| inline __always_inline |
| char* strstr(char* h, const char* n) __prefer_this_overload { |
| return __bionic_strstr(h, n); |
| } |
| |
| inline __always_inline |
| char* __bionic_strpbrk(const char* h, const char* n) { return strpbrk(h, n); } |
| |
| inline __always_inline |
| char* strpbrk(char* h, const char* n) __prefer_this_overload { |
| return __bionic_strpbrk(h, n); |
| } |
| |
| inline __always_inline |
| const char* strpbrk(const char* h, const char* n) __prefer_this_overload { |
| return __bionic_strpbrk(h, n); |
| } |
| } |
| #undef __prefer_this_overload |
| #endif |
| |
| __END_DECLS |
| |
| #endif |