Fix tools/bmp_logo.c using incorrect offset to pixel data

[karo-tx-uboot.git] / tools / bmp_logo.c

diff --git a/tools/bmp_logo.c b/tools/bmp_logo.c
index 8e728e23c3e4f0e63085342c2e944a29a62882cf..98be6176675fbd0bba6baf14b8f5ceee6139f388 100644 (file)
--- a/tools/bmp_logo.c
+++ b/tools/bmp_logo.c
@@ -46,7 +46,7 @@ int main (int argc, char *argv[])
        FILE    *fp;
        bitmap_t bmp;
        bitmap_t *b = &bmp;
-       uint16_t n_colors;
+       uint16_t data_offset, n_colors;
 
        if (argc < 2) {
                fprintf (stderr, "Usage: %s file\n", argv[0]);
@@ -67,7 +67,9 @@ int main (int argc, char *argv[])
         * read width and height of the image, and the number of colors used;
         * ignore the rest
         */
-       skip_bytes (fp, 16);
+       skip_bytes (fp, 8);
+       fread (&data_offset, sizeof (uint16_t), 1, fp);
+       skip_bytes (fp, 6);
        fread (&b->width,   sizeof (uint16_t), 1, fp);
        skip_bytes (fp, 2);
        fread (&b->height,  sizeof (uint16_t), 1, fp);
@@ -78,6 +80,7 @@ int main (int argc, char *argv[])
        /*
         * Repair endianess.
         */
+       data_offset = le_short(data_offset);
        b->width = le_short(b->width);
        b->height = le_short(b->height);
        n_colors = le_short(n_colors);
@@ -129,6 +132,9 @@ int main (int argc, char *argv[])
                );
        }
 
+       /* seek to offset indicated by file header */
+       fseek(fp, (long)data_offset, SEEK_SET);
+
        /* read the bitmap; leave room for default color map */
        printf ("\n");
        printf ("};\n");