reverse definition dependency between PAGESIZE and PAGE_SIZE
[oweals/musl.git] / src / stdio / tmpfile.c
1 #include <stdio.h>
2 #include <fcntl.h>
3 #include "stdio_impl.h"
4
5 #define MAXTRIES 100
6
7 char *__randname(char *);
8
9 FILE *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
32 LFS64(tmpfile);