patch for swftools 0.9.2 and giflib5

swftools-giflib5.patch

diff -ru swftools-0.9.2.orig/src/gif2swf.c swftools-0.9.2/src/gif2swf.c
--- swftools-0.9.2.orig/src/gif2swf.c	2011-01-01 19:30:29.000000000 -0800
+++ swftools-0.9.2/src/gif2swf.c	2015-01-30 17:17:10.000000000 -0800
@@ -65,6 +65,17 @@
     RESTORE_TO_PREVIOUS
 };
 
+#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5
+void
+PrintGifError(int ErrorCode) {
+    const char *Err = GifErrorString(ErrorCode);
+
+    if (Err != NULL)
+        fprintf(stderr, "GIF-LIB error: %s.\n", Err);
+    else
+        fprintf(stderr, "GIF-LIB undefined error %d.\n", ErrorCode);
+}
+#endif
 
 void SetFrameAction(TAG ** t, const char *src, int ver)
 {
@@ -230,13 +241,21 @@
     }
     fclose(fi);
 
+#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5
+    if ((gft = DGifOpenFileName(sname, NULL)) == NULL) {
+#else
     if ((gft = DGifOpenFileName(sname)) == NULL) {
+#endif
         fprintf(stderr, "%s is not a GIF file!\n", sname);
         return t;
     }
 
     if (DGifSlurp(gft) != GIF_OK) {
+#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5
+        PrintGifError(gft->Error);
+#else
         PrintGifError();
+#endif
         return t;
     }
 
@@ -455,7 +474,12 @@
 
     free(pal);
     free(imagedata);
+
+#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5 && GIFLIB_MINOR >= 1
+    DGifCloseFile(gft, NULL);
+#else
     DGifCloseFile(gft);
+#endif
 
     return t;
 }
@@ -488,7 +512,11 @@
     }
     fclose(fi);
 
+#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5
+    if ((gft = DGifOpenFileName(s, NULL)) == NULL) {
+#else
     if ((gft = DGifOpenFileName(s)) == NULL) {
+#endif
         fprintf(stderr, "%s is not a GIF file!\n", fname);
         return -1;
     }
@@ -499,7 +527,11 @@
         global.max_image_height = gft->SHeight;
 
     if (DGifSlurp(gft) != GIF_OK) { 
+#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5
+        PrintGifError(gft->Error);
+#else        
         PrintGifError();
+#endif
         return -1;
     }
     // After DGifSlurp() call, gft->ImageCount become available
@@ -518,7 +550,11 @@
             fprintf(stderr, "frame: %u, delay: %.3f sec\n", i + 1, getGifDelayTime(gft, i) / 100.0);
     }
 
+#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5 && GIFLIB_MINOR >= 1
+    DGifCloseFile(gft, NULL);
+#else
     DGifCloseFile(gft);
+#endif
 
     return 0;
 }