lib/fuzzer/FuzzerInterceptors.cpp

62 static int internal_strcmp_strncmp(const char *s1, const char *s2, bool strncmp,
72     unsigned c2 = *s2;
78     s2++;
83 static int internal_strncmp(const char *s1, const char *s2, size_t n) {
84   return internal_strcmp_strncmp(s1, s2, true, n);
87 static int internal_strcmp(const char *s1, const char *s2) {
88   return internal_strcmp_strncmp(s1, s2, false, 0);
91 static int internal_memcmp(const void *s1, const void *s2, size_t n) {
93   const uint8_t *t2 = static_cast<const uint8_t *>(s2);
125                                   const void *s2, size_t n, int result);
127                                    const char *s2, size_t n, int result);
129                                        const char *s2, size_t n, int result);
131                                   const char *s2, int result);
133                                       const char *s2, int result);
135                                   const char *s2, char *result);
137                                       const char *s2, char *result);
139                                   const void *s2, size_t len2, void *result);
151 ATTRIBUTE_INTERFACE int bcmp(const char *s1, const char *s2, size_t n) {
153     return internal_memcmp(s1, s2, n);
154   int result = REAL(bcmp)(s1, s2, n);
155   __sanitizer_weak_hook_memcmp(GET_CALLER_PC(), s1, s2, n, result);
159 ATTRIBUTE_INTERFACE int memcmp(const void *s1, const void *s2, size_t n) {
161     return internal_memcmp(s1, s2, n);
162   int result = REAL(memcmp)(s1, s2, n);
163   __sanitizer_weak_hook_memcmp(GET_CALLER_PC(), s1, s2, n, result);
167 ATTRIBUTE_INTERFACE int strncmp(const char *s1, const char *s2, size_t n) {
169     return internal_strncmp(s1, s2, n);
170   int result = REAL(strncmp)(s1, s2, n);
171   __sanitizer_weak_hook_strncmp(GET_CALLER_PC(), s1, s2, n, result);
175 ATTRIBUTE_INTERFACE int strcmp(const char *s1, const char *s2) {
177     return internal_strcmp(s1, s2);
178   int result = REAL(strcmp)(s1, s2);
179   __sanitizer_weak_hook_strcmp(GET_CALLER_PC(), s1, s2, result);
183 ATTRIBUTE_INTERFACE int strncasecmp(const char *s1, const char *s2, size_t n) {
185   int result = REAL(strncasecmp)(s1, s2, n);
186   __sanitizer_weak_hook_strncasecmp(GET_CALLER_PC(), s1, s2, n, result);
190 ATTRIBUTE_INTERFACE int strcasecmp(const char *s1, const char *s2) {
192   int result = REAL(strcasecmp)(s1, s2);
193   __sanitizer_weak_hook_strcasecmp(GET_CALLER_PC(), s1, s2, result);
197 ATTRIBUTE_INTERFACE char *strstr(const char *s1, const char *s2) {
199     return internal_strstr(s1, s2);
200   char *result = REAL(strstr)(s1, s2);
201   __sanitizer_weak_hook_strstr(GET_CALLER_PC(), s1, s2, result);
205 ATTRIBUTE_INTERFACE char *strcasestr(const char *s1, const char *s2) {
207   char *result = REAL(strcasestr)(s1, s2);
208   __sanitizer_weak_hook_strcasestr(GET_CALLER_PC(), s1, s2, result);
213 void *memmem(const void *s1, size_t len1, const void *s2, size_t len2) {
215   void *result = REAL(memmem)(s1, len1, s2, len2);
216   __sanitizer_weak_hook_memmem(GET_CALLER_PC(), s1, len1, s2, len2, result);