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tjTransform(): Use instance err. for bad crop spec

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Addresses a concern raised in #396
This commit is contained in:
DRC
2019-12-31 00:32:30 -06:00
parent 29f718ee63
commit 6367924ac6
1 changed files with 2 additions and 1 deletions
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turbojpeg.c
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@@ -1906,10 +1906,11 @@ DLLEXPORT int tjTransform(tjhandle handle, const unsigned char *jpegBuf,
if (xinfo[i].crop) { if (xinfo[i].crop) {
if ((t[i].r.x % xinfo[i].iMCU_sample_width) != 0 || if ((t[i].r.x % xinfo[i].iMCU_sample_width) != 0 ||
(t[i].r.y % xinfo[i].iMCU_sample_height) != 0) { (t[i].r.y % xinfo[i].iMCU_sample_height) != 0) {
snprintf(errStr, JMSG_LENGTH_MAX, snprintf(this->errStr, JMSG_LENGTH_MAX,
"To crop this JPEG image, x must be a multiple of %d\n" "To crop this JPEG image, x must be a multiple of %d\n"
"and y must be a multiple of %d.\n", "and y must be a multiple of %d.\n",
xinfo[i].iMCU_sample_width, xinfo[i].iMCU_sample_height); xinfo[i].iMCU_sample_width, xinfo[i].iMCU_sample_height);
this->isInstanceError = TRUE;
retval = -1; goto bailout; retval = -1; goto bailout;
} }
} }