/* SPDX-License-Identifier: LGPL-2.1+ */
/*
 * SSL helper functions shared by sign-file and extract-cert.
 */

static void drain_openssl_errors(int l, int silent)
{
        const char *file;
        char buf[120];
        int e, line;

        if (ERR_peek_error() == 0)
                return;
        if (!silent)
                fprintf(stderr, "At main.c:%d:\n", l);

        while ((e = ERR_peek_error_line(&file, &line))) {
                ERR_error_string(e, buf);
                if (!silent)
                        fprintf(stderr, "- SSL %s: %s:%d\n", buf, file, line);
                ERR_get_error();
        }
}

#define ERR(cond, fmt, ...)                             \
        do {                                            \
                bool __cond = (cond);                   \
                drain_openssl_errors(__LINE__, 0);      \
                if (__cond) {                           \
                        errx(1, fmt, ## __VA_ARGS__);   \
                }                                       \
        } while (0)