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* sysdeps/mach/hurd/fcntl.c (__libc_fcntl): Treat a struct flock with 

l_start == 0 and l_len == 1 as we do l_len == 0.
This commit is contained in:
Roland McGrath 2002-11-10 23:29:38 +00:00
parent da43dd4f99
commit 8bbd8b0ba2
2 changed files with 11 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2002-11-10 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/fcntl.c (__libc_fcntl): Treat a struct flock with
l_start == 0 and l_len == 1 as we do l_len == 0.
2002-11-10 Ulrich Drepper <drepper@redhat.com> 2002-11-10 Ulrich Drepper <drepper@redhat.com>
* po/da.po: Update from translation team. * po/da.po: Update from translation team.

7
sysdeps/mach/hurd/fcntl.c
View File

@ -155,7 +155,12 @@ __libc_fcntl (int fd, int cmd, ...)
switch (fl->l_whence) switch (fl->l_whence)
{ {
case SEEK_SET: case SEEK_SET:
if (fl->l_start == 0 && fl->l_len == 0) if (fl->l_start == 0 && fl->l_len == 0) /* Whole file request. */
break;
/* It seems to be common for applications to lock the first
byte of the file when they are really doing whole-file locking.
So, since it's so wrong already, might as well do that too. */
if (fl->l_start == 0 && fl->l_len == 1)
break; break;
/* FALLTHROUGH */ /* FALLTHROUGH */
case SEEK_CUR: case SEEK_CUR: