[asan] use extern declaraions of libc functions on Win and on Mac

llvm-svn: 153186
This commit is contained in:
Alexey Samsonov 2012-03-21 14:22:28 +00:00
parent a29b5bd2a8
commit abbcccc187
1 changed files with 31 additions and 24 deletions

View File

@ -29,44 +29,51 @@
// intercepted functions.
#include <pthread.h>
#include <string.h>
#include <strings.h>
#endif // __APPLE__
#if defined(__APPLE__)
// Use extern declarations of intercepted functions on Mac and Windows
// to avoid including system headers.
#if defined(__APPLE__) || (defined(_WIN32) && !defined(_DLL))
extern "C" {
// signal.h
# if !defined(_WIN32)
struct sigaction;
int sigaction(int sig, const struct sigaction *act,
struct sigaction *oldact);
void *signal(int signum, void *handler);
# endif
// setjmp.h
void longjmp(void* env, int val);
void _longjmp(void *env, int val);
} // extern "C"
#endif // __APPLE__
#if defined(_WIN32) && !defined(_DLL)
// FIXME: We might want to use these on Mac too.
extern "C" {
int memcmp(const void *b1, const void *b2, size_t sz);
void* memmove(void *d, const void *s, size_t sz);
void* memcpy(void *d, const void *s, size_t sz);
void* memset(void *b, int c, size_t sz);
char* strchr(const char *s, char c);
char* strcat(char *d, const char* s); // NOLINT
char* strncat(char *d, const char* s, size_t sz);
char* strcpy(char *d, const char* s); // NOLINT
char* strncpy(char *d, const char* s, size_t sz);
int strcmp(const char *s1, const char* s2);
int strncmp(const char *s1, const char* s2, size_t sz);
size_t strnlen(const char *s1, size_t sz);
void longjmp(void* env, int value);
# if !defined(_WIN32)
void _longjmp(void *env, int value);
# endif
// string.h / strings.h
int memcmp(const void *a1, const void *a2, size_t size);
void* memmove(void *to, const void *from, size_t size);
void* memcpy(void *to, const void *from, size_t size);
void* memset(void *block, int c, size_t size);
# if defined(__APPLE__)
char* strchr(const char *str, int c);
# elif defined(_WIN32)
char* strchr(const char *s, char c);
# endif
char* strcat(char *to, const char* from); // NOLINT
char* strcpy(char *to, const char* from); // NOLINT
char* strncpy(char *to, const char* from, size_t size);
int strcmp(const char *s1, const char* s2);
int strncmp(const char *s1, const char* s2, size_t size);
# if !defined(__APPLE__)
size_t strnlen(const char *s, size_t maxlen);
# endif
// Windows threads.
# if defined(_WIN32)
__declspec(dllimport)
void* __stdcall CreateThread(void *sec, size_t st, void* start,
void *arg, DWORD fl, DWORD *id);
# endif
} // extern "C"
#endif