Added some extra checks to return codes

2 files changed, 12 insertions, 2 deletions

diff --git a/src/cmscgats.c b/src/cmscgats.c
index 31c55f9..f1dcfe7 100644
--- a/src/cmscgats.c
+++ b/src/cmscgats.c
@@ -2149,7 +2149,9 @@ cmsBool IsMyFile(const char* FileName)
    }
 
    Size = (cmsUInt32Number) fread(Ptr, 1, 132, fp);
-   fclose(fp);
+
+   if (fclose(fp) != 0) 
+	   return FALSE;
 
    Ptr[Size] = '\0';
 
@@ -2239,7 +2241,11 @@ cmsHANDLE  CMSEXPORT cmsIT8LoadFromFile(cmsContext ContextID, const char* cFileN
     CookPointers(it8);
     it8 ->nTable = 0;
 
-    fclose(it8 ->FileStack[0]->Stream);    
+	if (fclose(it8 ->FileStack[0]->Stream)!= 0) {
+		    cmsIT8Free(hIT8); 
+            return NULL; 
+	}
+
     return hIT8;
 
 }
diff --git a/src/cmsopt.c b/src/cmsopt.c
index 4e97197..7fd44fd 100644
--- a/src/cmsopt.c
+++ b/src/cmsopt.c
@@ -253,6 +253,8 @@ void* Prelin16dup(cmsContext ContextID, const void* ptr)
     Prelin16Data* p16 = (Prelin16Data*) ptr;
     Prelin16Data* Duped = _cmsDupMem(ContextID, p16, sizeof(Prelin16Data));
 
+	if (Duped == NULL) return NULL;
+
     Duped ->StageDEF         = _cmsCalloc(ContextID, p16 ->nOutputs, sizeof(cmsUInt16Number)); 
     Duped ->EvalCurveOut16   = _cmsDupMem(ContextID, p16 ->EvalCurveOut16, p16 ->nOutputs * sizeof(_cmsInterpFn16));
     Duped ->ParamsCurveOut16 = _cmsDupMem(ContextID, p16 ->ParamsCurveOut16, p16 ->nOutputs * sizeof(cmsInterpParams* ));
@@ -1082,6 +1084,8 @@ void* CurvesDup(cmsContext ContextID, const void* ptr)
     Curves16Data* Data = _cmsDupMem(ContextID, ptr, sizeof(Curves16Data));
     int i;
 
+	if (Data == NULL) return NULL;
+
     Data ->Curves = _cmsDupMem(ContextID, Data ->Curves, Data ->nCurves * sizeof(cmsUInt16Number*));
 
     for (i=0; i < Data -> nCurves; i++) {