if(delta) {
/* motion compensation */
- while((code & 0xF0) == 0xF0) {
+ while(size > 0 && (code & 0xF0) == 0xF0) {
if(delta == 1) {
int me_idx;
int me_w, me_h, me_x, me_y;
} else if(code >= 0xC0) { /* copy code: 0xC0..0xDF */
code &= 0x1F;
+ if(code + 1 > size)
+ break;
+
for(i = 0; i <= code; i++) {
dst[filled++] = *src++;
if(filled >= width) {
code &= 0x3F;
/* codes 0x80 and 0x81 are actually escape codes,
skip value minus constant is in the next byte */
- if(!code)
- skip = (*src++) + 64;
- else if(code == 1)
- skip = (*src++) + 320;
- else
+ if(!code) {
+ skip = (*src++) + 64; size--;
+ } else if(code == 1) {
+ skip = (*src++) + 320; size--;
+ } else
skip = code;
filled += skip;
while( filled >= width) {