util.c in webp-ffi-0.1.2

- old
+ new

@@ -265,11 +265,11 @@
   uint32* raster;
   int ok = 0;
   int dircount = 1;
 
   if (tif == NULL) {
-    fprintf(stderr, "Error! Cannot open TIFF file '%s'\n", filename);
+    //fprintf(stderr, "Error! Cannot open TIFF file '%s'\n", filename);
     return 0;
   }
 
   while (TIFFReadDirectory(tif)) ++dircount;
 
@@ -296,11 +296,11 @@
          ? WebPPictureImportRGBA(pic, (const uint8_t*)raster, stride)
          : WebPPictureImportRGBX(pic, (const uint8_t*)raster, stride);
     }
     _TIFFfree(raster);
   } else {
-    fprintf(stderr, "Error allocating TIFF RGBA memory!\n");
+    //fprintf(stderr, "Error allocating TIFF RGBA memory!\n");
   }
 
   if (ok && keep_alpha == 2) {
     WebPCleanupTransparentArea(pic);
   }
@@ -333,11 +333,11 @@
 int UtilReadPicture(const char* const filename, WebPPicture* const pic,
                        int keep_alpha) {
   int ok = 0;
   FILE* in_file = fopen(filename, "rb");
   if (in_file == NULL) {
-    fprintf(stderr, "Error! Cannot open input file '%s'\n", filename);
+    //fprintf(stderr, "Error! Cannot open input file '%s'\n", filename);
     return ok;
   }
 
   if (pic->width == 0 || pic->height == 0) {
     // If no size specified, try to decode it as PNG/JPEG (as appropriate).
@@ -351,13 +351,10 @@
     }
   } else {
     // If image size is specified, infer it as YUV format.
     ok = UtilReadYUV(in_file, pic);
   }
-  if (!ok) {
-    fprintf(stderr, "Error! Could not process file %s\n", filename);
-  }
 
   fclose(in_file);
   return ok;
 }
 
@@ -367,10 +364,10 @@
   int ok = 1;
 
   fout = fopen(out_file, "wb");
   if (!fout) {
     fprintf(stderr, "Error opening output file %s\n", out_file);
-    return;
+    return 0;
   }
 
   if (format == PNG) {
     ok &= UtilWritePNG(fout, buffer);
   }