Function so_extract_crashes

tests/test_stack_overflow.c:416–442

Run cbm_extract_file in a forked child; true if the child died by signal. * Mirrors tests/test_lang_contract.c. On Windows run in-process (a genuine * crash there aborts the runner — hard, visible failure). */

 * Mirrors tests/test_lang_contract.c. On Windows run in-process (a genuine
 * crash there aborts the runner — hard, visible failure). */
static bool so_extract_crashes(const char *content, CBMLanguage lang, const char *relpath) {
#if defined(_WIN32)
    CBMFileResult *r =
        cbm_extract_file(content, (int)strlen(content), lang, "so", relpath, 0, NULL, NULL);
    if (r) {
        cbm_free_result(r);
    }
    return false;
#else
    fflush(NULL);
    pid_t pid = fork();
    if (pid < 0) {
        return false;
    }
    if (pid == 0) {
        CBMFileResult *r =
            cbm_extract_file(content, (int)strlen(content), lang, "so", relpath, 0, NULL, NULL);
        if (r) {
            cbm_free_result(r);
        }
        _exit(0);
    }
    int status = 0;
    (void)waitpid(pid, &status, 0);
    return WIFSIGNALED(status);
#endif
}

#if !defined(_WIN32)
/* Child-side alarm handler: a clean exit on the deadline — never reached on