| // If user provides his own libc functions, ASan doesn't |
| // intercept these functions. |
| |
| // RUN: %clangxx_asan -O0 %s -o %t && %run %t 2>&1 | FileCheck %s |
| // RUN: %clangxx_asan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
| // RUN: %clangxx_asan -O2 %s -o %t && %run %t 2>&1 | FileCheck %s |
| // RUN: %clangxx_asan -O3 %s -o %t && %run %t 2>&1 | FileCheck %s |
| // XFAIL: freebsd |
| |
| // On Windows, defining strtoll in a static build results in linker errors, but |
| // it works with the dynamic runtime. |
| // XFAIL: win32-static-asan |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| extern "C" long strtol(const char *nptr, char **endptr, int base) { |
| fprintf(stderr, "my_strtol_interceptor\n"); |
| if (endptr) |
| *endptr = (char*)nptr + strlen(nptr); |
| return 0; |
| } |
| |
| int main() { |
| char *x = (char*)malloc(10 * sizeof(char)); |
| free(x); |
| return (int)strtol(x, 0, 10); |
| // CHECK: my_strtol_interceptor |
| // CHECK-NOT: heap-use-after-free |
| } |
