diff options
| -rw-r--r-- | sys/src/cmd/jpg/readjpg.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/src/cmd/jpg/readjpg.c b/sys/src/cmd/jpg/readjpg.c index 8653d72d2..ddc3227f6 100644 --- a/sys/src/cmd/jpg/readjpg.c +++ b/sys/src/cmd/jpg/readjpg.c @@ -488,8 +488,10 @@ huffmantable(Header *h, uchar *b) /* flow chart C-2 */ nsize = 0; - for(i=0; i<16; i++) - nsize += b[1+i]; + for(i=1; i<=16; i++) + nsize += b[i]; + if(nsize == 0) + return 0; t->size = jpgmalloc(h, (nsize+1)*sizeof(int), 1); k = 0; for(i=1; i<=16; i++){ |