/* 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)