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authorPaul Eggert <eggert@cs.ucla.edu>2005-09-26 23:02:14 +0000
committerPaul Eggert <eggert@cs.ucla.edu>2005-09-26 23:02:14 +0000
commit2f897e72580eb68526972caf3ef815c5be50daba (patch)
tree1060decdf2fdb4e20562c150a787a9a763d47abc /src
parent80065b498ba12f0cc5326e08c2650104ae1d3081 (diff)
downloadcoreutils-2f897e72580eb68526972caf3ef815c5be50daba.tar.xz
(touch): Handle "touch -c - >&-" by checking for EBADF
and ENOSYS. Do not pass "-" to futimens; pass NULL instead. If close (STDIN_FILENO) fails, report the error separately instead of letting the 'close' pollute errno.
Diffstat (limited to 'src')
-rw-r--r--src/touch.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/src/touch.c b/src/touch.c
index 870606123..06c9646bc 100644
--- a/src/touch.c
+++ b/src/touch.c
@@ -154,7 +154,7 @@ touch (const char *file)
error (0, open_errno, _("creating %s"), quote (file));
else
{
- if (no_create && errno == ENOENT)
+ if (no_create && (errno == ENOENT || errno == EBADF))
return true;
error (0, errno, _("failed to get attributes of %s"),
quote (file));
@@ -182,9 +182,23 @@ touch (const char *file)
t = timespec;
}
- ok = (futimens (fd, file, t) == 0);
+ ok = (futimens (fd, (fd == STDOUT_FILENO ? NULL : file), t) == 0);
+
if (fd == STDIN_FILENO)
- ok &= (close (fd) == 0);
+ {
+ if (close (STDIN_FILENO) != 0)
+ {
+ error (0, errno, _("closing %s"), quote (file));
+ return false;
+ }
+ }
+ else if (fd == STDOUT_FILENO)
+ {
+ /* Do not diagnose "touch -c - >&-". */
+ if (!ok && errno == EBADF && no_create
+ && change_times == (CH_ATIME | CH_MTIME))
+ return true;
+ }
if (!ok)
{