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/Makemodule.am | 1 + lib/util/getsubopt.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 lib/util/getsubopt.c (limited to 'lib/util') diff --git a/lib/util/Makemodule.am b/lib/util/Makemodule.am index 23e5c4e..b5fef29 100644 --- a/lib/util/Makemodule.am +++ b/lib/util/Makemodule.am @@ -2,6 +2,7 @@ libutil_la_SOURCES = include/util/util.h include/util/compat.h libutil_la_SOURCES += lib/util/str_table.c include/util/str_table.h libutil_la_SOURCES += lib/util/alloc.c lib/util/canonicalize_name.c libutil_la_SOURCES += lib/util/strndup.c lib/util/getline.c +libutil_la_SOURCES += lib/util/getsubopt.c libutil_la_CFLAGS = $(AM_CFLAGS) libutil_la_CPPFLAGS = $(AM_CPPFLAGS) libutil_la_LDFLAGS = $(AM_LDFLAGS) 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