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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2015-11-15 03:48:57 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2015-11-15 03:48:57 +0000
commitc89886bd0aa4448961266c5fdd6ef6b78035a7e0 (patch)
treee40ba38c883e2acdbe37cd5508f5909d3c9b4bf9 /Build/source/texk/web2c/luatexdir/image
parent690d94784c133d0cee9298485f4a574a67e5e1b3 (diff)
web2c/luatexdir: Sync with the upstream trunk.
git-svn-id: svn://tug.org/texlive/trunk@38854 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/luatexdir/image')
-rw-r--r--Build/source/texk/web2c/luatexdir/image/writejpg.w5
1 files changed, 4 insertions, 1 deletions
diff --git a/Build/source/texk/web2c/luatexdir/image/writejpg.w b/Build/source/texk/web2c/luatexdir/image/writejpg.w
index bfb218fdc46..7780f312922 100644
--- a/Build/source/texk/web2c/luatexdir/image/writejpg.w
+++ b/Build/source/texk/web2c/luatexdir/image/writejpg.w
@@ -164,7 +164,10 @@ read_APP1_Exif (FILE *fp, unsigned short length, int *xx, int *yy)
double xres = 72.0;
double yres = 72.0;
double res_unit = 1.0;
- fread(buffer, length, 1, fp);
+ size_t ret_len;
+ ret_len = fread(buffer, length, 1, fp);
+ if (ret_len != 1)
+ goto err ;
p = buffer;
while ((p < buffer + length) && (*p == 0))
++p;