From 587a56c4fb08ceac99752a6208d5585ba1f17957 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Mon, 28 Oct 2019 21:06:56 +0100 Subject: Add fallback implementation for getsubopt() Signed-off-by: David Oberhollenzer --- lib/util/getsubopt.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 lib/util/getsubopt.c (limited to 'lib/util/getsubopt.c') diff --git a/lib/util/getsubopt.c b/lib/util/getsubopt.c new file mode 100644 index 0000000..5cf19d1 --- /dev/null +++ b/lib/util/getsubopt.c @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: LGPL-3.0-or-later */ +/* + * getsubopt.c + * + * Copyright (C) 2019 David Oberhollenzer + */ +#include "config.h" +#include "util/compat.h" + +#include +#include + +#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 -- cgit v1.2.3