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-rw-r--r--lib/libcfg/splitkv.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/libcfg/splitkv.c b/lib/libcfg/splitkv.c
new file mode 100644
index 0000000..49f8ebe
--- /dev/null
+++ b/lib/libcfg/splitkv.c
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+#include <ctype.h>
+#include <stdio.h>
+
+#include "libcfg.h"
+
+int splitkv(rdline_t *rd, char **k, char **v)
+{
+ char *key = rd->buffer, *value = rd->buffer;
+
+ while (*value != ' ' && *value != '\0') {
+ if (!isalpha(*value)) {
+ fprintf(stderr,
+ "%s: %zu: unexpected '%c' in keyword\n",
+ rd->filename, rd->lineno, *value);
+ return -1;
+ }
+ ++value;
+ }
+
+ if (*value != ' ') {
+ fprintf(stderr, "%s: %zu: expected argument after '%s'\n",
+ rd->filename, rd->lineno, key);
+ return -1;
+ }
+
+ *(value++) = '\0';
+
+ *k = key;
+ *v = value;
+ return 0;
+}