xref: /aosp_15_r20/external/pdfium/third_party/lcms/0027-changes-from-beginning-of-time.patch (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)

diff --git a/third_party/lcms/src/cmscgats.c b/third_party/lcms/src/cmscgats.c
index a0c25c024..55f74ede8 100644
--- a/third_party/lcms/src/cmscgats.c
+++ b/third_party/lcms/src/cmscgats.c
@@ -38,7 +38,10 @@
 #define DEFAULT_DBL_FORMAT  "%.10g" // Double formatting

 #ifdef CMS_IS_WINDOWS_
-#    include <io.h>
+//sunliang.liu modified 2010426 for wince error
+# ifndef _WIN32_WCE
+#   include <io.h>
+# endif
 #    define DIR_CHAR    '\\'
 #else
 #    define DIR_CHAR    '/'
diff --git a/third_party/lcms/src/cmsgamma.c b/third_party/lcms/src/cmsgamma.c
index eb3dd881c..6e36cf462 100644
--- a/third_party/lcms/src/cmsgamma.c
+++ b/third_party/lcms/src/cmsgamma.c
@@ -749,14 +749,19 @@ void CMSEXPORT cmsFreeToneCurve(cmsToneCurve* Curve)
 {
     cmsContext ContextID;

-    if (Curve == NULL) return;
+    // added by Xiaochuan Liu
+    // Curve->InterpParams may be null
+    if (Curve == NULL || Curve->InterpParams == NULL) return;

     ContextID = Curve ->InterpParams->ContextID;

     _cmsFreeInterpParams(Curve ->InterpParams);
+    Curve ->InterpParams = NULL;

-    if (Curve -> Table16)
+    if (Curve -> Table16) {
         _cmsFree(ContextID, Curve ->Table16);
+        Curve ->Table16 = NULL;
+    }

     if (Curve ->Segments) {

@@ -876,18 +881,25 @@ void CMSEXPORT cmsFreeToneCurve(cmsToneCurve* Curve)

             if (Curve ->Segments[i].SampledPoints) {
                 _cmsFree(ContextID, Curve ->Segments[i].SampledPoints);
+                Curve ->Segments[i].SampledPoints = NULL;
             }

-            if (Curve ->SegInterp[i] != 0)
+            if (Curve ->SegInterp[i] != 0) {
                 _cmsFreeInterpParams(Curve->SegInterp[i]);
+                Curve->SegInterp[i] = NULL;
+            }
         }

         _cmsFree(ContextID, Curve ->Segments);
+        Curve ->Segments = NULL;
         _cmsFree(ContextID, Curve ->SegInterp);
+        Curve ->SegInterp = NULL;
     }

-    if (Curve -> Evals)
+    if (Curve -> Evals) {
         _cmsFree(ContextID, Curve -> Evals);
+        Curve -> Evals = NULL;
+    }

     _cmsFree(ContextID, Curve);
 }
diff --git a/third_party/lcms/src/cmsio0.c b/third_party/lcms/src/cmsio0.c
index 1b026488d..cc5f89064 100644
--- a/third_party/lcms/src/cmsio0.c
+++ b/third_party/lcms/src/cmsio0.c
@@ -479,6 +479,14 @@ cmsIOHANDLER* CMSEXPORT cmsGetProfileIOhandler(cmsHPROFILE hProfile)
        return Icc->IOhandler;
 }

+#ifdef _WIN32_WCE
+time_t wceex_time(time_t *timer);
+struct tm * wceex_gmtime(const time_t *timer);
+
+#define time wceex_time
+#define gmtime wceex_gmtime
+#endif
+
 // Creates an empty structure holding all required parameters
 cmsHPROFILE CMSEXPORT cmsCreateProfilePlaceholder(cmsContext ContextID)
 {
@@ -570,6 +578,14 @@ int _cmsSearchTag(_cmsICCPROFILE* Icc, cmsTagSignature sig, cmsBool lFollowLinks

         // Yes, follow link
         if (LinkedSig != (cmsTagSignature) 0) {
+            // fix bug mantis id#0055942
+            // assume that TRCTag and ColorantTag can't be linked.
+            // Xiaochuan Liu 2014-04-23
+            if ((sig == cmsSigRedTRCTag || sig == cmsSigGreenTRCTag || sig == cmsSigBlueTRCTag) &&
+                (LinkedSig == cmsSigRedColorantTag || LinkedSig == cmsSigGreenColorantTag || LinkedSig == cmsSigBlueColorantTag))
+            {
+                return n;
+            }
             sig = LinkedSig;
         }

@@ -1363,6 +1379,12 @@ Error:
     return 0;
 }

+#ifdef _WIN32_WCE
+int wceex_unlink(const char *filename);
+#ifndef remove
+#   define remove wceex_unlink
+#endif
+#endif

 // Low-level save to disk.
 cmsBool  CMSEXPORT cmsSaveProfileToFile(cmsHPROFILE hProfile, const char* FileName)