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#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/stat.h>
#include <string.h>
#include <stdlib.h>
#include "syscall.h"
#include "kstat.h"
#define MAXTRIES 100
char *tmpnam(char *buf)
{
static char internal[L_tmpnam];
char s[] = "/tmp/tmpnam_XXXXXX";
int try;
int r;
for (try=0; try<MAXTRIES; try++) {
__randname(s+12);
#ifdef SYS_lstat
r = __syscall(SYS_lstat, s, &(struct kstat){0});
#else
r = __syscall(SYS_fstatat, AT_FDCWD, s,
&(struct kstat){0}, AT_SYMLINK_NOFOLLOW);
#endif
if (r == -ENOENT) return strcpy(buf ? buf : internal, s);
}
return 0;
}
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