Issue #57 - Recover responsiveness to stdin and upgrade strOrFile

c/graphLib/io/g6-read-iterator.c

@@ -710,13 +710,19 @@ int _ReadGraphFromG6StrOrFile(graphP pGraphToRead, strOrFileP g6InputContainer)
     if (exitCode != OK)
         ErrorMessage("Unable to read graph from .g6 read iterator.\n");
 
-    exitCode = endG6ReadIteration(pG6ReadIterator);
-    if (exitCode != OK)
+    int endG6ReadIterationCode = endG6ReadIteration(pG6ReadIterator);
+    if (endG6ReadIterationCode != OK)
+    {
         ErrorMessage("Unable to end G6ReadIterator.\n");
+        exitCode = endG6ReadIterationCode;
+    }
 
-    exitCode = freeG6ReadIterator(&pG6ReadIterator);
+    int freeG6ReadIteratorCode = freeG6ReadIterator(&pG6ReadIterator);
     if (exitCode != OK)
+    {
         ErrorMessage("Unable to free G6ReadIterator.\n");
+        exitCode = freeG6ReadIteratorCode;
+    }
 
     return exitCode;
 }

c/graphLib/io/strOrFile.c

@@ -301,7 +301,7 @@ int sf_ReadInteger(int *intToRead, strOrFileP theStrOrFile)
         return NOTOK;
 
     char intCandidateStr[MAXCHARSFOR32BITINT + 1];
-    memset(intCandidateStr, '\0', MAXCHARSFOR32BITINT * sizeof(char));
+    memset(intCandidateStr, '\0', (MAXCHARSFOR32BITINT + 1) * sizeof(char));
 
     int intCandidate = 0;
     char currChar, nextChar = '\0';