From 72de8fd00be8a583a6b16cc0b700105020d249ba Mon Sep 17 00:00:00 2001
From: Even Rouault <[EMAIL REDACTED]>
Date: Tue, 29 Nov 2022 14:57:27 +0100
Subject: [PATCH] TIFFWriteRawStrip(): restore capabilities to append data in
the current strip (fixes #489)
This fixes a regression of libtiff 4.4.0
---
libtiff/tif_write.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/libtiff/tif_write.c b/libtiff/tif_write.c
index 8cffba87..379c5d09 100644
--- a/libtiff/tif_write.c
+++ b/libtiff/tif_write.c
@@ -341,10 +341,13 @@ TIFFWriteRawStrip(TIFF* tif, uint32_t strip, void* data, tmsize_t cc)
return ((tmsize_t) -1);
}
- tif->tif_curstrip = strip;
+ if (tif->tif_curstrip != strip)
+ {
+ tif->tif_curstrip = strip;
- /* this informs TIFFAppendToStrip() we have changed or reset strip */
- tif->tif_curoff = 0;
+ /* this informs TIFFAppendToStrip() we have changed or reset strip */
+ tif->tif_curoff = 0;
+ }
if (td->td_stripsperimage == 0) {
TIFFErrorExtR(tif, module,"Zero strips per image");