1#include <stdio.h>
2#include <fcntl.h>
3#include "stdio_impl.h"
4
5#define MAXTRIES 100
6
7char *__randname(char *);
8
9FILE *tmpfile(void)
10{
11	char s[] = "/tmp/tmpfile_XXXXXX";
12	int fd;
13	FILE *f;
14	int try;
15	for (try=0; try<MAXTRIES; try++) {
16		__randname(s+13);
17		fd = sys_open(s, O_RDWR|O_CREAT|O_EXCL, 0600);
18		if (fd >= 0) {
19#ifdef SYS_unlink
20			__syscall(SYS_unlink, s);
21#else
22			__syscall(SYS_unlinkat, AT_FDCWD, s, 0);
23#endif
24			f = __fdopen(fd, "w+");
25			if (!f) __syscall(SYS_close, fd);
26			return f;
27		}
28	}
29	return 0;
30}
31
32LFS64(tmpfile);
33