1 files changed, 32 insertions, 0 deletions
diff --git a/src/temp/mkostemps.c b/src/temp/mkostemps.c
new file mode 100644
index 00000000..804a5475
--- /dev/null
+++ b/src/temp/mkostemps.c
@@ -0,0 +1,32 @@
+#define _BSD_SOURCE
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include "libc.h"
+
+char *__randname(char *);
+
+int __mkostemps(char *template, int len, int flags)
+{
+	if (len < 0) return EINVAL;
+
+	size_t l = strlen(template)-len;
+	if (l < 6 || strncmp(template+l-6, "XXXXXX", 6)) {
+		errno = EINVAL;
+		*template = 0;
+		return -1;
+	}
+
+	int fd, retries = 100;
+	while (retries--) {
+		__randname(template+l-6);
+		if ((fd = open(template, flags | O_RDWR | O_CREAT | O_EXCL, 0600))>=0)
+			return fd;
+		if (errno != EEXIST) return -1;
+	}
+	return -1;
+}
+
+weak_alias(__mkostemps, mkostemps);
+weak_alias(__mkostemps, mkostemps64);