1 files changed, 16 insertions, 2 deletions
diff --git a/qpdf/qpdf-ctest.c b/qpdf/qpdf-ctest.c
index 12f6a4cc..c535aa23 100644
--- a/qpdf/qpdf-ctest.c
+++ b/qpdf/qpdf-ctest.c
@@ -10,13 +10,27 @@ static qpdf_data qpdf = 0;
 
 static FILE* safe_fopen(char const* filename, char const* mode)
 {
-    FILE* f = fopen(filename, mode); /* XXXX */
+    // This function is basically a "C" port of QUtil::safe_fopen.
+    FILE* f = 0;
+#ifdef _MSC_VER
+    errno_t err = fopen_s(&f, filename, mode);
+    if (err != 0)
+    {
+        char buf[94];
+        strerror_s(buf, sizeof(buf), errno);
+	fprintf(stderr, "%s: unable to open %s: %s\n",
+		whoami, filename, buf);
+	exit(2);
+    }
+#else
+    f = fopen(filename, mode);
     if (f == NULL)
     {
 	fprintf(stderr, "%s: unable to open %s: %s\n",
-		whoami, filename, strerror(errno)); /* XXXX */
+		whoami, filename, strerror(errno));
 	exit(2);
     }
+#endif
     return f;
 }