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* path.cc (cwdstuff::get): Set EINVAL when length is zero.

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This commit is contained in:
Christopher Faylor 2000-10-10 19:24:32 +00:00
parent a8018ef336
commit e62ae31192
2 changed files with 16 additions and 3 deletions
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4
winsup/cygwin/ChangeLog
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@ -1,3 +1,7 @@
Tue Oct 10 15:21:10 2000 Christopher Faylor <cgf@cygnus.com>
* path.cc (cwdstuff::get): Set EINVAL when length is zero.
Mon Oct 9 14:07:04 2000 Christopher Faylor <cgf@cygnus.com>
* path.cc (mount_info::cygdrive_posix_path): Handle e:foo construction

15
winsup/cygwin/path.cc
View File

@ -2937,6 +2937,13 @@ char *
cwdstuff::get (char *buf, int need_posix, int with_chroot, unsigned ulen)
{
MALLOC_CHECK;
if (ulen == 0)
{
set_errno (EINVAL);
goto out;
}
if (!get_initial ()) /* Get initial cwd and set cwd lock */
return NULL;
@ -2955,7 +2962,7 @@ cwdstuff::get (char *buf, int need_posix, int with_chroot, unsigned ulen)
}
else
{
if (need_posix && !buf)
if (!buf)
buf = (char *) malloc (strlen (tocopy) + 1);
strcpy (buf, tocopy);
if (!buf[0]) /* Should only happen when chroot */
@ -2963,8 +2970,10 @@ cwdstuff::get (char *buf, int need_posix, int with_chroot, unsigned ulen)
}
lock->release ();
syscall_printf ("(%s) = cwdstuff::get (%p, %d, %d, %d)",
buf, buf, ulen, need_posix, with_chroot);
out:
syscall_printf ("(%s) = cwdstuff::get (%p, %d, %d, %d), errno %d",
buf, buf, ulen, need_posix, with_chroot, errno);
MALLOC_CHECK;
return buf;
}