serial numbers

1 files changed, 5 insertions, 0 deletions

diff --git a/camera.h b/camera.h
index 5fe1c4d..d4f1a0e 100644
--- a/camera.h
+++ b/camera.h
@@ -4,6 +4,7 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <stddef.h>
+#include <string.h>
 #include <GL/glcorearb.h>
 
 typedef uint32_t PixelFormat;
@@ -92,6 +93,10 @@ typedef struct {
 #undef declare_proc
 } GlProcs;
 
+static bool hash_eq(Hash h1, Hash h2) {
+	return memcmp(h1.hash, h2.hash, sizeof h1.hash) == 0;
+}
+
 void camera_init(const GlProcs *procs);
 bool pix_fmt_supported(uint32_t pixfmt);
 int picture_format_cmp_resolution(const PictureFormat *a, const PictureFormat *b);