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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2020-04-10 03:40:48 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2020-04-10 03:40:48 +0000
commit503c0227622254c0ae3209a1fa72bcb68bb450bc (patch)
tree48df20533f300f819504c15af33cdc03fc386a93 /Build/source/libs/gd/libgd-src/src/gd_xbm.c
parenta9d86b73ecf95b83666e16c4d90e348c4958a63b (diff)
libgd 2.3.0
git-svn-id: svn://tug.org/texlive/trunk@54636 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/gd/libgd-src/src/gd_xbm.c')
-rw-r--r--Build/source/libs/gd/libgd-src/src/gd_xbm.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/Build/source/libs/gd/libgd-src/src/gd_xbm.c b/Build/source/libs/gd/libgd-src/src/gd_xbm.c
index 29bc5c2e8d5..cf0545efdb4 100644
--- a/Build/source/libs/gd/libgd-src/src/gd_xbm.c
+++ b/Build/source/libs/gd/libgd-src/src/gd_xbm.c
@@ -169,7 +169,11 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromXbm(FILE * fd)
}
h[3] = ch;
}
- sscanf(h, "%x", &b);
+ if (sscanf(h, "%x", &b) != 1) {
+ gd_error("invalid XBM");
+ gdImageDestroy(im);
+ return 0;
+ }
for (bit = 1; bit <= max_bit; bit = bit << 1) {
gdImageSetPixel(im, x++, y, (b & bit) ? 1 : 0);
if (x == im->sx) {
@@ -220,7 +224,7 @@ static void gdCtxPrintf(gdIOCtx * out, const char *format, ...)
* gd - Which color to use as forground color. All pixels with another
* color are unset.
* out - The <gdIOCtx> to write the image file to.
- *
+ *
*/
BGD_DECLARE(void) gdImageXbmCtx(gdImagePtr image, char* file_name, int fg, gdIOCtx * out)
{