Mercurial > hg > octave-kai > gnulib-hg
changeset 15657:befccd4a7d52
utimens: remove dependency on dup2
* lib/utimens.c (fdutimens): Don't invoke dup2; it's not needed
to work around the Linux kernel bug.
* modules/utimens (Depends-on): Remove dup2.
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Sun, 18 Sep 2011 20:57:48 -0700 |
parents | 54ccb1d64384 |
children | 07e1173e4fc9 |
files | ChangeLog lib/utimens.c modules/utimens |
diffstat | 3 files changed, 11 insertions(+), 10 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2011-09-18 Paul Eggert <eggert@cs.ucla.edu> + + utimens: remove dependency on dup2 + * lib/utimens.c (fdutimens): Don't invoke dup2; it's not needed + to work around the Linux kernel bug. + * modules/utimens (Depends-on): Remove dup2. + 2011-09-18 Bruno Haible <bruno@clisp.org> inet_ntop, inet_pton: Look for it also in libresolv.
--- a/lib/utimens.c +++ b/lib/utimens.c @@ -180,18 +180,13 @@ if (adjustment_needed < 0) return -1; - /* Require that at least one of FD or FILE are valid. Works around + /* Require that at least one of FD or FILE are potentially valid, to avoid a Linux bug where futimens (AT_FDCWD, NULL) changes "." rather than failing. */ - if (!file) + if (fd < 0 && !file) { - if (fd < 0) - { - errno = EBADF; - return -1; - } - if (dup2 (fd, fd) != fd) - return -1; + errno = EBADF; + return -1; } /* Some Linux-based NFS clients are buggy, and mishandle time stamps