2017-11-12 14:21:57 (UTC-02:00)

Marcel Rodrigues <marcelgmr@gmail.com>

Add library header.

diff --git a/gifdec.c b/gifdec.c
index a4dbf35..0a01955 100644
--- a/gifdec.c
+++ b/gifdec.c
@@ -1,6 +1,7 @@
+#include "gifdec.h"
+
 #include <stdio.h>
 #include <stdlib.h>
-#include <stdint.h>
 #include <string.h>
 
 #include <sys/types.h>
@@ -11,29 +12,6 @@
 #define MIN(A, B) ((A) < (B) ? (A) : (B))
 #define MAX(A, B) ((A) > (B) ? (A) : (B))
 
-typedef struct Palette {
-    int size;
-    uint8_t colors[0x100 * 3];
-} Palette;
-
-typedef struct GCE {
-    uint16_t delay;
-    uint8_t tindex;
-    uint8_t disposal;
-    int input;
-    int transparency;
-} GCE;
-
-typedef struct GIF {
-    int fd;
-    uint16_t width, height;
-    uint16_t loop_count;
-    GCE gce;
-    Palette *palette;
-    Palette lct, gct;
-    uint8_t *frame;
-} GIF;
-
 typedef struct Entry {
     uint16_t length;
     uint16_t prefix;
@@ -382,18 +360,9 @@ get_frame(GIF *gif)
     return 1;
 }
 
-int
-main()
+void
+close_gif(GIF *gif)
 {
-    int nframes = 0;
-    GIF *gif = open_gif("example.gif");
-    if (gif) {
-        printf("%ux%u\n", gif->width, gif->height);
-        printf("%d colors\n", gif->palette->size);
-        while (get_frame(gif)) nframes++;
-        close(gif->fd);
-        free(gif);
-        printf("%d frames\n", nframes);
-    }
-    return 0;
+    close(gif->fd);
+    free(gif);
 }

diff --git a/gifdec.h b/gifdec.h
new file mode 100644
index 0000000..7c93593
--- /dev/null
+++ b/gifdec.h
@@ -0,0 +1,33 @@
+#ifndef GIFDEC_H
+#define GIFDEC_H
+
+#include <stdint.h>
+
+typedef struct Palette {
+    int size;
+    uint8_t colors[0x100 * 3];
+} Palette;
+
+typedef struct GCE {
+    uint16_t delay;
+    uint8_t tindex;
+    uint8_t disposal;
+    int input;
+    int transparency;
+} GCE;
+
+typedef struct GIF {
+    int fd;
+    uint16_t width, height;
+    uint16_t loop_count;
+    GCE gce;
+    Palette *palette;
+    Palette lct, gct;
+    uint8_t *frame;
+} GIF;
+
+GIF *open_gif(const char *fname);
+int get_frame(GIF *gif);
+void close_gif(GIF *gif);
+
+#endif /* GIFDEC_H */