1 files changed, 46 insertions, 0 deletions
diff --git a/base/gp_mktmp.c b/base/gp_mktmp.c
new file mode 100644
index 00000000..ebdd5ee6
--- /dev/null
+++ b/base/gp_mktmp.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 2001-2019 Artifex Software, Inc.
+   All Rights Reserved.
+
+   This software is provided AS-IS with no warranty, either express or
+   implied.
+
+   This software is distributed under license and may not be copied,
+   modified or distributed except as expressly authorized under the terms
+   of the license contained in the file LICENSE in this distribution.
+
+   Refer to licensing information at http://www.artifex.com or contact
+   Artifex Software, Inc.,  1305 Grant Avenue - Suite 200, Novato,
+   CA 94945, U.S.A., +1(415)492-9861, for further information.
+*/
+
+
+/* Replacement for missing mktemp */
+#include "stat_.h"
+#include "string_.h"
+
+/* This procedure simulates mktemp on platforms that don't provide it. */
+char *
+mktemp(char *fname)
+{
+    struct stat fst;
+    int len = strlen(fname);
+    char *end = fname + len - 6;
+
+    if (len < 6 || strcmp(end, "XXXXXX"))
+        return (char *)0;	/* invalid  */
+    strcpy(end, "AA.AAA");
+
+    while (stat(fname, &fst) == 0) {
+        char *inc = fname + len - 1;
+
+        while (*inc == 'Z' || *inc == '.') {
+            if (inc == end)
+                return (char *)0;	/* failure */
+            if (*inc == 'Z')
+                *inc = 'A';
+            --inc;
+        }
+        ++*inc;
+    }
+    return fname;
+}