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Code Issues Releases Activity

Fix crash when trying to load progressive jpeg due to uninitialized s->img_n 

Proper pointer check before deleting
pull/22/head
Lysander 2014-07-09 22:41:22 +09:00
parent 0cc827fe2a
commit efd6b2698f
1 changed files with 3 additions and 1 deletions
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4
stb_image.h
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@ -553,6 +553,7 @@ static stbi_uc *stbi__hdr_to_ldr(float *data, int x, int y, int comp);
static unsigned char *stbi_load_main(stbi__context *s, int *x, int *y, int *comp, int req_comp)
{
s->img_n = 0;
if (stbi__jpeg_test(s)) return stbi__jpeg_load(s,x,y,comp,req_comp);
if (stbi__png_test(s)) return stbi__png_load(s,x,y,comp,req_comp);
if (stbi__bmp_test(s)) return stbi__bmp_load(s,x,y,comp,req_comp);
@ -1807,8 +1808,9 @@ static void stbi__cleanup_jpeg(stbi__jpeg *j)
{
int i;
for (i=0; i < j->s->img_n; ++i) {
if (j->img_comp[i].data) {
if (j->img_comp[i].raw_data) {
free(j->img_comp[i].raw_data);
j->img_comp[i].raw_data = NULL;
j->img_comp[i].data = NULL;
}
if (j->img_comp[i].linebuf) {