diff options
| -rw-r--r-- | tools/tiff2ps.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/tools/tiff2ps.c b/tools/tiff2ps.c index 5874aba6..31a318a8 100644 --- a/tools/tiff2ps.c +++ b/tools/tiff2ps.c @@ -2467,8 +2467,10 @@ PSDataColorContig(FILE* fd, TIFF* tif, uint32 w, uint32 h, int nc) } if (alpha) { int adjust; - cc = 0; - for (; (cc + nc) <= tf_bytesperrow; cc += samplesperpixel) { + /* + * the code inside this loop reads nc bytes + 1 extra byte (for adjust) + */ + for (cc = 0; (cc + nc) < tf_bytesperrow; cc += samplesperpixel) { DOBREAK(breaklen, nc, fd); /* * For images with alpha, matte against @@ -2486,8 +2488,10 @@ PSDataColorContig(FILE* fd, TIFF* tif, uint32 w, uint32 h, int nc) cp += es; } } else { - cc = 0; - for (; (cc + nc) <= tf_bytesperrow; cc += samplesperpixel) { + /* + * the code inside this loop reads nc bytes per iteration + */ + for (cc = 0; (cc + nc) <= tf_bytesperrow; cc += samplesperpixel) { DOBREAK(breaklen, nc, fd); switch (nc) { case 4: c = *cp++; PUTHEX(c,fd); |