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/* $OpenBSD: log.c,v 1.5 2019/11/29 05:14:11 benno Exp $ */
/*
* Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <err.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdint.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include "extern.h"
/*
* Print the chain of openssl errors that led to the current one.
* This should only be invoked in the event that OpenSSL fails with
* something.
* It's followed by the (optional) given error message, then terminates.
*/
void
cryptoerrx(const char *fmt, ...)
{
unsigned long er;
char buf[BUFSIZ];
va_list ap;
while ((er = ERR_get_error()) > 0) {
ERR_error_string_n(er, buf, sizeof(buf));
warnx(" ...trace: %s", buf);
}
if (fmt != NULL) {
va_start(ap, fmt);
vwarnx(fmt, ap);
va_end(ap);
}
exit(1);
}
/*
* Like cryptoerrx(), but without exiting.
*/
void
cryptowarnx(const char *fmt, ...)
{
unsigned long er;
char buf[BUFSIZ];
va_list ap;
while ((er = ERR_get_error()) > 0) {
ERR_error_string_n(er, buf, sizeof(buf));
warnx(" ...trace: %s", buf);
}
if (fmt != NULL) {
va_start(ap, fmt);
vwarnx(fmt, ap);
va_end(ap);
}
}
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