[gimp/gimp-2-10] plug-ins: fix #8467 "incorrect value RichTIFFIPTC" when loading TIFF ...



commit 8f169eb61cab4eaf89b34dfd76b6431e3acc8468
Author: Jacob Boerema <jgboerema gmail com>
Date:   Tue Aug 23 16:15:59 2022 -0400

    plug-ins: fix #8467 "incorrect value RichTIFFIPTC" when loading TIFF ...
    
    created by Adobe Lightroom 5.1
    
    Adobe products are known to write incorrect RichTIFFIPTC tags in TIFF
    images.
    
    Since libtiff correctly detects and handles this there is no real need
    for end users to be warned. So instead of a warning we will only output
    a message to stderr.
    
    (cherry picked from commit 0ad54f863a6e5837693777ae2c64c921e0e4759f)

 plug-ins/file-tiff/file-tiff-io.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
---
diff --git a/plug-ins/file-tiff/file-tiff-io.c b/plug-ins/file-tiff/file-tiff-io.c
index 0f5056f7d1..818556bed8 100644
--- a/plug-ins/file-tiff/file-tiff-io.c
+++ b/plug-ins/file-tiff/file-tiff-io.c
@@ -204,6 +204,28 @@ tiff_io_warning (const gchar *module,
 
       va_end (ap_test);
     }
+  else if (! strcmp (fmt, "Incorrect value for \"%s\"; tag ignored"))
+    {
+      va_list ap_test;
+      const char *stag;
+
+      G_VA_COPY (ap_test, ap);
+
+      stag = va_arg (ap_test, const char *);
+
+      if (! strcmp (stag, "RichTIFFIPTC"))
+        {
+          gchar *msg = g_strdup_vprintf (fmt, ap);
+
+          /* This is an error in Adobe products. Just report to stderr. */
+          g_printerr ("[%s] %s\n", module, msg);
+          g_free (msg);
+
+          return;
+        }
+
+      va_end (ap_test);
+    }
 
   /* Workaround for: http://bugzilla.gnome.org/show_bug.cgi?id=131975
    * Ignore the warnings about unregistered private tags (>= 32768).


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