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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* getsubopt.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "compat.h"
#include <stdlib.h>
#include <string.h>
#ifndef HAVE_GETSUBOPT
int getsubopt(char **opt, char *const *keys, char **val)
{
char *str = *opt;
size_t i, len;
*val = NULL;
*opt = strchr(str, ',');
if (*opt == NULL) {
*opt = str + strlen(str);
} else {
*(*opt)++ = '\0';
}
for (i = 0; keys[i]; ++i) {
len = strlen(keys[i]);
if (strncmp(keys[i], str, len) != 0)
continue;
if (str[len] != '=' && str[len] != '\0')
continue;
if (str[len] == '=')
*val = str + len + 1;
return i;
}
return -1;
}
#endif
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