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vipsload: ensure resolution is positive (#2742)

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Lovell Fuller 2022-04-03 11:00:44 +01:00 committed by GitHub
parent dc07b00059
commit 9228e50f46
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1 changed files with 2 additions and 2 deletions
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libvips/iofuncs/vips.c
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@ -358,8 +358,8 @@ vips__read_header_bytes( VipsImage *im, unsigned char *from )
/* We read xres/yres as floats to a staging area, then copy to double
* in the main fields.
*/
im->Xres = im->Xres_float;
im->Yres = im->Yres_float;
im->Xres = VIPS_MAX( 0, im->Xres_float );
im->Yres = VIPS_MAX( 0, im->Yres_float );
/* Some protection against malicious files. We also check predicted
* (based on these values) against real file length, see below.