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Diffstat (limited to 'breakpad/linux/linux_libc_support.h')
| -rw-r--r-- | breakpad/linux/linux_libc_support.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/breakpad/linux/linux_libc_support.h b/breakpad/linux/linux_libc_support.h deleted file mode 100644 index e08f27f..0000000 --- a/breakpad/linux/linux_libc_support.h +++ /dev/null @@ -1,178 +0,0 @@ -// Copyright (c) 2009, Google Inc. -// 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. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// 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. - -// This header provides replacements for libc functions that we need. We if -// call the libc functions directly we risk crashing in the dynamic linker as -// it tries to resolve uncached PLT entries. - -#ifndef CLIENT_LINUX_LINUX_LIBC_SUPPORT_H_ -#define CLIENT_LINUX_LINUX_LIBC_SUPPORT_H_ - -#include <stdint.h> -#include <limits.h> -#include <sys/types.h> - -extern "C" { - -static inline size_t -my_strlen(const char* s) { - size_t len = 0; - while (*s++) len++; - return len; -} - -static inline int -my_strcmp(const char* a, const char* b) { - for (;;) { - if (*a < *b) - return -1; - else if (*a > *b) - return 1; - else if (*a == 0) - return 0; - a++; - b++; - } -} - -static inline int -my_strncmp(const char* a, const char* b, size_t len) { - for (size_t i = 0; i < len; ++i) { - if (*a < *b) - return -1; - else if (*a > *b) - return 1; - else if (*a == 0) - return 0; - a++; - b++; - } - - return 0; -} - -// Parse a non-negative integer. -// result: (output) the resulting non-negative integer -// s: a NUL terminated string -// Return true iff successful. -static inline bool -my_strtoui(int* result, const char* s) { - if (*s == 0) - return false; - int r = 0; - for (;; s++) { - if (*s == 0) - break; - const int old_r = r; - r *= 10; - if (*s < '0' || *s > '9') - return false; - r += *s - '0'; - if (r < old_r) - return false; - } - - *result = r; - return true; -} - -// Return the length of the given, non-negative integer when expressed in base -// 10. -static inline unsigned -my_int_len(int i) { - if (!i) - return 1; - - int len = 0; - while (i) { - len++; - i /= 10; - } - - return len; -} - -// Convert a non-negative integer to a string -// output: (output) the resulting string is written here. This buffer must be -// large enough to hold the resulting string. Call |my_int_len| to get the -// required length. -// i: the non-negative integer to serialise. -// i_len: the length of the integer in base 10 (see |my_int_len|). -static inline void -my_itos(char* output, int i, unsigned i_len) { - for (unsigned index = i_len; index; --index, i /= 10) - output[index - 1] = '0' + (i % 10); -} - -static inline const char* -my_strchr(const char* haystack, char needle) { - while (*haystack && *haystack != needle) - haystack++; - if (*haystack == needle) - return haystack; - return (const char*) 0; -} - -// Read a hex value -// result: (output) the resulting value -// s: a string -// Returns a pointer to the first invalid charactor. -static inline const char* -my_read_hex_ptr(uintptr_t* result, const char* s) { - uintptr_t r = 0; - - for (;; ++s) { - if (*s >= '0' && *s <= '9') { - r <<= 4; - r += *s - '0'; - } else if (*s >= 'a' && *s <= 'f') { - r <<= 4; - r += (*s - 'a') + 10; - } else if (*s >= 'A' && *s <= 'F') { - r <<= 4; - r += (*s - 'A') + 10; - } else { - break; - } - } - - *result = r; - return s; -} - -static inline void -my_memset(void* ip, char c, size_t len) { - char* p = (char *) ip; - while (len--) - *p++ = c; -} - -} // extern "C" - -#endif // CLIENT_LINUX_LINUX_LIBC_SUPPORT_H_ |