glibc/io/bug-ftw3.c

64 lines
1.1 KiB
C

#include <errno.h>
#include <ftw.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static int cb_called;
static int
cb (const char *fname, const struct stat *st, int flag)
{
printf ("%s %d\n", fname, flag);
cb_called = 1;
return 0;
}
int
main (void)
{
char tmp[] = "/tmp/ftwXXXXXX";
char tmp2[] = "/tmp/ftwXXXXXX/ftwXXXXXX";
char *dname;
char *dname2;
int r;
int e;
dname = mkdtemp (tmp);
if (dname == NULL)
{
printf ("mkdtemp: %m\n");
exit (1);
}
memcpy (tmp2, tmp, strlen (tmp));
dname2 = mkdtemp (tmp2);
if (dname2 == NULL)
{
printf ("mkdtemp: %m\n");
rmdir (dname);
exit (1);
}
if (chmod (dname, S_IWUSR|S_IWGRP|S_IWOTH) != 0)
{
printf ("chmod: %m\n");
rmdir (dname);
exit (1);
}
r = ftw (dname2, cb, 10);
e = errno;
printf ("r = %d", r);
if (r != 0)
printf (", errno = %d", errno);
puts ("");
chmod (dname, S_IRWXU|S_IRWXG|S_IRWXO);
rmdir (dname2);
rmdir (dname);
return (r != -1 && e == EACCES) || cb_called;
}