Implement POSIX-compliant mktemp for WIN32

1 files changed, 14 insertions, 0 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index b9f720e1a..70a8cb611 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -435,6 +435,20 @@ unsigned int sleep (unsigned int seconds)
         return 0;
 }
 
+/*
+ * Windows' mktemp returns NULL on error whereas POSIX always returns the
+ * template and signals an error by making it an empty string.
+ */
+#undef mktemp
+char *mingw_mktemp(char *template)
+{
+        if ( mktemp(template) == NULL ) {
+                template[0] = '\0';
+        }
+
+        return template;
+}
+
 int mkstemp(char *template)
 {
         char *filename = mktemp(template);