diff options
Diffstat (limited to 'mac.c')
| -rw-r--r-- | mac.c | 23 |
1 files changed, 7 insertions, 16 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: mac.c,v 1.35 2019/09/06 04:53:27 djm Exp $ */ +/* $OpenBSD: mac.c,v 1.37 2025/09/05 10:01:35 dtucker Exp $ */ /* * Copyright (c) 2001 Markus Friedl. All rights reserved. * @@ -27,9 +27,9 @@ #include <sys/types.h> +#include <stdio.h> #include <stdlib.h> #include <string.h> -#include <stdio.h> #include "digest.h" #include "hmac.h" @@ -83,22 +83,13 @@ static const struct macalg macs[] = { char * mac_alg_list(char sep) { - char *ret = NULL, *tmp; - size_t nlen, rlen = 0; + char *ret = NULL; const struct macalg *m; + char sep_str[2] = {sep, '\0'}; + + for (m = macs; m->name != NULL; m++) + xextendf(&ret, sep_str, "%s", m->name); - for (m = macs; m->name != NULL; m++) { - if (ret != NULL) - ret[rlen++] = sep; - nlen = strlen(m->name); - if ((tmp = realloc(ret, rlen + nlen + 2)) == NULL) { - free(ret); - return NULL; - } - ret = tmp; - memcpy(ret + rlen, m->name, nlen + 1); - rlen += nlen; - } return ret; } |