rainscale的博客

double free or corruption 先看main.c代码： #include #include   #define DEBUG() printf("%s:%d\n", __FILE__, __LINE__); fflush(stdout);   int main(void) {    void* p = malloc(100);    DEB

1.获取文件长度 方法一: FILE* fp; fp = fopen(const char* filename, "rb"); fseek(fp, 0, SEEK_END); // fseek(fp, SEEK_SET, SEEK_END); size_t sz = (size_t) ftell(fp); fclose(fp); 方法二: int fd = open(const c