Move get_bool() to src/common/

...in preparation for sharing it more widely

src/common/get-bool.c

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <string.h>
+#include <strings.h>
+#include "common/get-bool.h"
+
+bool
+get_bool(const char *s)
+{
+	if (!s) {
+		return false;
+	}
+	if (!strcasecmp(s, "yes")) {
+		return true;
+	}
+	if (!strcasecmp(s, "true")) {
+		return true;
+	}
+	return false;
+}

src/common/meson.build

@@ -3,6 +3,7 @@ labwc_sources += files(
   'dir.c',
   'fd_util.c',
   'font.c',
+  'get-bool.c',
   'grab-file.c',
   'graphic-helpers.c',
   'mem.c',