forked from OSchip/llvm-project
[asan] use extern declaraions of libc functions on Win and on Mac
llvm-svn: 153186
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@ -29,44 +29,51 @@
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// intercepted functions.
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#include <pthread.h>
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#include <string.h>
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#include <strings.h>
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#endif // __APPLE__
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#if defined(__APPLE__)
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// Use extern declarations of intercepted functions on Mac and Windows
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// to avoid including system headers.
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#if defined(__APPLE__) || (defined(_WIN32) && !defined(_DLL))
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extern "C" {
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// signal.h
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# if !defined(_WIN32)
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struct sigaction;
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int sigaction(int sig, const struct sigaction *act,
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struct sigaction *oldact);
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void *signal(int signum, void *handler);
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# endif
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// setjmp.h
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void longjmp(void* env, int val);
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void _longjmp(void *env, int val);
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} // extern "C"
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#endif // __APPLE__
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#if defined(_WIN32) && !defined(_DLL)
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// FIXME: We might want to use these on Mac too.
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extern "C" {
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int memcmp(const void *b1, const void *b2, size_t sz);
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void* memmove(void *d, const void *s, size_t sz);
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void* memcpy(void *d, const void *s, size_t sz);
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void* memset(void *b, int c, size_t sz);
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char* strchr(const char *s, char c);
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char* strcat(char *d, const char* s); // NOLINT
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char* strncat(char *d, const char* s, size_t sz);
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char* strcpy(char *d, const char* s); // NOLINT
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char* strncpy(char *d, const char* s, size_t sz);
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int strcmp(const char *s1, const char* s2);
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int strncmp(const char *s1, const char* s2, size_t sz);
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size_t strnlen(const char *s1, size_t sz);
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void longjmp(void* env, int value);
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# if !defined(_WIN32)
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void _longjmp(void *env, int value);
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# endif
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// string.h / strings.h
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int memcmp(const void *a1, const void *a2, size_t size);
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void* memmove(void *to, const void *from, size_t size);
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void* memcpy(void *to, const void *from, size_t size);
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void* memset(void *block, int c, size_t size);
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# if defined(__APPLE__)
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char* strchr(const char *str, int c);
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# elif defined(_WIN32)
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char* strchr(const char *s, char c);
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# endif
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char* strcat(char *to, const char* from); // NOLINT
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char* strcpy(char *to, const char* from); // NOLINT
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char* strncpy(char *to, const char* from, size_t size);
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int strcmp(const char *s1, const char* s2);
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int strncmp(const char *s1, const char* s2, size_t size);
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# if !defined(__APPLE__)
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size_t strnlen(const char *s, size_t maxlen);
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# endif
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// Windows threads.
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# if defined(_WIN32)
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__declspec(dllimport)
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void* __stdcall CreateThread(void *sec, size_t st, void* start,
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void *arg, DWORD fl, DWORD *id);
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# endif
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} // extern "C"
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#endif
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