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Refactored stbi__load_gif_main to use STBI_REALLOC_SIZED instead of STBI_REALLOC.

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Luca Sas 2020-02-13 13:05:12 +00:00
parent f54acd4e13
commit c5102ecc4d
1 changed files with 13 additions and 4 deletions
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17
stb_image.h
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@ -109,6 +109,7 @@ RECENT REVISION HISTORY:
Christian Floisand Kevin Schmidt JR Smith github:darealshinji
Brad Weinberger Matvey Cherevko github:Michaelangel007
Blazej Dariusz Roszkowski Alexander Veselov
Luca Sas
*/
#ifndef STBI_INCLUDE_STB_IMAGE_H
@ -6683,6 +6684,8 @@ static void *stbi__load_gif_main(stbi__context *s, int **delays, int *x, int *y,
stbi_uc *two_back = 0;
stbi__gif g;
int stride;
int out_size = 0;
int delays_size = 0;
memset(&g, 0, sizeof(g));
if (delays) {
*delays = 0;
@ -6699,22 +6702,28 @@ static void *stbi__load_gif_main(stbi__context *s, int **delays, int *x, int *y,
stride = g.w * g.h * 4;
if (out) {
void *tmp = (stbi_uc*) STBI_REALLOC( out, layers * stride );
void *tmp = (stbi_uc*) STBI_REALLOC_SIZED( out, out_size, layers * stride );
if (NULL == tmp) {
STBI_FREE(g.out);
STBI_FREE(g.history);
STBI_FREE(g.background);
return stbi__errpuc("outofmem", "Out of memory");
}
else
out = (stbi_uc*) tmp;
else {
out = (stbi_uc*) tmp;
out_size = layers * stride;
}
if (delays) {
*delays = (int*) STBI_REALLOC( *delays, sizeof(int) * layers );
*delays = (int*) STBI_REALLOC_SIZED( *delays, delays_size, sizeof(int) * layers );
delays_size = layers * sizeof(int);
}
} else {
out = (stbi_uc*)stbi__malloc( layers * stride );
out_size = layers * stride;
if (delays) {
*delays = (int*) stbi__malloc( layers * sizeof(int) );
delays_size = layers * sizeof(int);
}
}
memcpy( out + ((layers - 1) * stride), u, stride );