diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libnsbmp.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/libnsbmp.c b/src/libnsbmp.c index 1b28167..b4747f6 100644 --- a/src/libnsbmp.c +++ b/src/libnsbmp.c @@ -708,11 +708,14 @@ static bmp_result bmp_decode_rgb(bmp_image *bmp, uint8_t **start, int bytes) cur_byte = *data++; } idx = (cur_byte >> bit_shifts[bit++]) & bit_mask; - if (idx >= bmp->colours) - return BMP_DATA_ERROR; - scanline[x] = bmp->colour_table[idx]; - if ((bmp->limited_trans) && (scanline[x] == bmp->transparent_index)) - scanline[x] = bmp->trans_colour; + if (idx < bmp->colours) { + /* ensure colour table index is in bounds */ + scanline[x] = bmp->colour_table[idx]; + if ((bmp->limited_trans) && + (scanline[x] == bmp->transparent_index)) { + scanline[x] = bmp->trans_colour; + } + } } } *start = data; |