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Fix tiff2ps error regarding "Inconsistent value of es" by allowing es to be zero.

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Problem was reported to the tiff mailing list by Julian H. Stacey on January 5, 2019.
This commit is contained in:
Bob Friesenhahn 2019-01-05 13:56:09 -06:00
parent 56a1976e92
commit a0e273fdca
1 changed files with 2 additions and 2 deletions
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4
tools/tiff2ps.c
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@ -2444,9 +2444,9 @@ PSDataColorContig(FILE* fd, TIFF* tif, uint32 w, uint32 h, int nc)
unsigned char *cp, c;
(void) w;
if( es <= 0 )
if( es < 0 )
{
TIFFError(filename, "Inconsistent value of es: %d", es);
TIFFError(filename, "Inconsistent value of es: %d (samplesperpixel=%u, nc=%d)", es, samplesperpixel, nc);
return;
}
tf_buf = (unsigned char *) _TIFFmalloc(tf_bytesperrow);