From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/temp/mkdtemp.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/temp/mkdtemp.c

(limited to 'src/temp/mkdtemp.c')

diff --git a/src/temp/mkdtemp.c b/src/temp/mkdtemp.c
new file mode 100644
index 0000000..5708257
--- /dev/null
+++ b/src/temp/mkdtemp.c
@@ -0,0 +1,23 @@
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+char *mkdtemp(char *template)
+{
+	size_t l = strlen(template);
+	int retries = 100;
+
+	if (l<6 || memcmp(template+l-6, "XXXXXX", 6)) {
+		errno = EINVAL;
+		return 0;
+	}
+
+	do {
+		__randname(template+l-6);
+		if (!mkdir(template, 0700)) return template;
+	} while (--retries && errno == EEXIST);
+
+	memcpy(template+l-6, "XXXXXX", 6);
+	return 0;
+}
-- 
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