[libpng16] Relocated declarations of index and padding in new index-checking
code.
diff --git a/pngrtran.c b/pngrtran.c
index d662a8d..cb0fba8 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -2304,7 +2304,6 @@
(!png_ptr->interlaced && png_ptr->pass == 0)))
{
png_bytep rp = png_ptr->row_buf + 1 + row_info->rowbytes;
- int index, padding;
switch (row_info->bit_depth)
{
@@ -2313,7 +2312,7 @@
/* in this case, all bytes must be 0 so we don't need
* to unpack the pixels except for the rightmost one.
*/
- padding = 8*row_info->rowbytes - png_ptr->width;
+ int padding = 8*row_info->rowbytes - png_ptr->width;
for (; rp > png_ptr->row_buf; rp--)
{
@@ -2327,11 +2326,11 @@
case 2:
{
- padding = 2*(4*row_info->rowbytes - png_ptr->width);
+ int padding = 2*(4*row_info->rowbytes - png_ptr->width);
for (; rp > png_ptr->row_buf; rp--)
{
- index = ((*rp >> padding) & 0x03);
+ int index = ((*rp >> padding) & 0x03);
if (index > png_ptr->num_palette_max)
png_ptr->num_palette_max = index;
@@ -2359,11 +2358,11 @@
case 4:
{
- padding = 4*(2*row_info->rowbytes - png_ptr->width);
+ int padding = 4*(2*row_info->rowbytes - png_ptr->width);
for (; rp > png_ptr->row_buf; rp--)
{
- index = ((*rp >> padding) & 0x0f);
+ int index = ((*rp >> padding) & 0x0f);
if (index > png_ptr->num_palette_max)
png_ptr->num_palette_max = index;