utils: Add missing plist_read_from_filename() helper

1 files changed, 25 insertions, 0 deletions

diff --git a/src/utils.c b/src/utils.c
index 4218758..af8fc78 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -252,6 +252,31 @@ void buffer_write_to_filename(const char *filename, const char *buffer, uint64_t
 	}
 }
 
+int plist_read_from_filename(plist_t *plist, const char *filename)
+{
+	char *buffer = NULL;
+	uint64_t length;
+
+	if (!filename)
+		return 0;
+
+	buffer_read_from_filename(filename, &buffer, &length);
+
+	if (!buffer) {
+		return 0;
+	}
+
+	if ((length > 8) && (memcmp(buffer, "bplist00", 8) == 0)) {
+		plist_from_bin(buffer, length, plist);
+	} else {
+		plist_from_xml(buffer, length, plist);
+	}
+
+	free(buffer);
+
+	return 1;
+}
+
 int plist_write_to_filename(plist_t plist, const char *filename, enum plist_format_t format)
 {
 	char *buffer = NULL;