1 files changed, 30 insertions, 0 deletions
diff --git a/src/internal/utils/kithelpers.c b/src/internal/utils/kithelpers.c
new file mode 100644
index 0000000..c68f1c7
--- /dev/null
+++ b/src/internal/utils/kithelpers.c
@@ -0,0 +1,30 @@
+#include <libavutil/time.h>
+#include <libavutil/avstring.h>
+
+#include "kitchensink/internal/utils/kithelpers.h"
+
+static const char * const font_mime[] = {
+    "application/x-font-ttf",
+    "application/x-font-truetype",
+    "application/x-truetype-font",
+    "application/x-font-opentype",
+    "application/vnd.ms-opentype",
+    "application/font-sfnt",
+    NULL
+};
+
+double _GetSystemTime() {
+    return (double)av_gettime() / 1000000.0;
+}
+
+bool attachment_is_font(AVStream *stream) {
+    AVDictionaryEntry *tag = av_dict_get(stream->metadata, "mimetype", NULL, AV_DICT_MATCH_CASE);
+    if(tag) {
+        for(int n = 0; font_mime[n]; n++) {
+            if(av_strcasecmp(font_mime[n], tag->value) == 0) {
+                return true;
+            }
+        }
+    }
+    return false;
+}