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(PNG) Fix RPNG decode PLTE

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This commit is contained in:
twinaphex 2015-02-24 09:21:50 +01:00
parent 234c24c3b3
commit 415d9e0d73
1 changed files with 8 additions and 11 deletions
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19
libretro-common/formats/png/rpng_decode_fnbio.c
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@ -149,10 +149,15 @@ static bool png_realloc_idat(const struct png_chunk *chunk, struct idat_buffer *
return true;
}
static bool png_read_plte_into_buf(uint32_t *buffer, unsigned entries)
static bool png_read_plte_into_buf(uint8_t *buf,
uint32_t *buffer, unsigned entries)
{
unsigned i;
uint8_t buf[256 * 3];
if (entries > 256)
return false;
buf += 8;
for (i = 0; i < entries; i++)
{
@ -214,15 +219,7 @@ bool rpng_nbio_load_image_argb_iterate(uint8_t *buf, struct rpng_t *rpng)
if (rpng->chunk.size % 3)
return false;
if (entries > 256)
return false;
buf += 8;
for (i = 0; i < entries; i++)
rpng->palette[i] = buf[i];
if (!png_read_plte_into_buf(rpng->palette, entries))
if (!png_read_plte_into_buf(buf, rpng->palette, entries))
return false;
rpng->has_plte = true;