source: asp3_tinet_ecnl_arm/trunk/musl-1.1.18/src/stdio/tmpfile.c@ 352

#include <stdio.h>
#include <fcntl.h>
#include "stdio_impl.h"

#define MAXTRIES 100

char *__randname(char *);

FILE *tmpfile(void)
{
        char s[] = "/tmp/tmpfile_XXXXXX";
        int fd;
        FILE *f;
        int try;
        for (try=0; try<MAXTRIES; try++) {
                __randname(s+13);
                fd = sys_open(s, O_RDWR|O_CREAT|O_EXCL, 0600);
                if (fd >= 0) {
#ifdef SYS_unlink
                        __syscall(SYS_unlink, s);
#else
                        __syscall(SYS_unlinkat, AT_FDCWD, s, 0);
#endif
                        f = __fdopen(fd, "w+");
                        if (!f) __syscall(SYS_close, fd);
                        return f;
                }
        }
        return 0;
}

LFS64(tmpfile);