Silent some gcc warnings.

diff --git a/src/exiv2.cc b/src/exiv2.cc
index 6f42a71..35729a4 100644 (file)
--- a/src/exiv2.cc
+++ b/src/exiv2.cc
@@ -66,13 +66,13 @@ struct _ExifData
                image->readMetadata();
 
 #if EXIV2_TEST_VERSION(0,16,0)
-               if (debug >= 2) printf("xmp count %d\n", image->xmpData().count());
+               if (debug >= 2) printf("xmp count %li\n", image->xmpData().count());
                if (sidecar_path && image->xmpData().empty())
                        {
                        sidecar = Exiv2::ImageFactory::open(sidecar_path);
                        sidecar->readMetadata();
                        have_sidecar = sidecar->good();
-                       if (debug >= 2) printf("sidecar xmp count %d\n", sidecar->xmpData().count());
+                       if (debug >= 2) printf("sidecar xmp count %li\n", sidecar->xmpData().count());
                        }
                
 #endif
@@ -316,6 +316,7 @@ guint exif_item_get_elements(ExifItem *item)
 
 char *exif_item_get_data(ExifItem *item, guint *data_len)
 {
+       return NULL;
 }
 
 char *exif_item_get_description(ExifItem *item)
@@ -698,7 +699,7 @@ extern "C" gint format_raw_img_exif_offsets_fd(int fd, const gchar *path,
                RawFile rf(fd);
                if (debug) printf("%s: offset ", path);
                offset = rf.preview_offset();
-               if (debug) printf("%d\n", offset);
+               if (debug) printf("%lu\n", offset);
        }
        catch (Exiv2::AnyError& e) {
                std::cout << "Caught Exiv2 exception '" << e << "'\n";
@@ -708,7 +709,7 @@ extern "C" gint format_raw_img_exif_offsets_fd(int fd, const gchar *path,
        if (image_offset && offset > 0)
                {
                *image_offset = offset;
-               if (lseek(fd, *image_offset, SEEK_SET) != *image_offset)
+               if ((unsigned long) lseek(fd, *image_offset, SEEK_SET) != *image_offset)
                        {
                        printf("Failed to seek to embedded image\n");