void die_errno(const char *fmt, ...) { va_list params; char fmt_with_err[1024]; char str_error[256], *err; unsigned int i, j; err = strerror(errno); for (i = j = 0; err[i] && j < sizeof(str_error) - 1; ) { if ((str_error[j++] = err[i++]) != '%') continue; if (j < sizeof(str_error) - 1) { str_error[j++] = '%'; } else { /* No room to double the '%', so we overwrite it with * '\0' below */ j--; break; } } str_error[j] = 0; snprintf(fmt_with_err, sizeof(fmt_with_err), "%s: %s", fmt, str_error); va_start(params, fmt); die_builtin(fmt_with_err, params); va_end(params); }
void die(const char *err, ...) { va_list params; va_start(params, err); die_builtin(err, params); va_end(params); }