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Include unistd.h, for dup2.

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(futimens): Fix typo: HAVE_FUTIMESAT was misspelled in an #if.
(futimens) [! HAVE_FUTIMESAT]: If !file, set errno before returning -1.
This commit is contained in:
Paul Eggert 2005-09-26 23:01:00 +00:00
parent a49740f33b
commit a6c8a8e6d4
1 changed files with 15 additions and 1 deletions
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16
lib/utimens.c
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@ -26,6 +26,7 @@
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#if HAVE_UTIME_H
# include <utime.h>
@ -113,11 +114,24 @@ futimens (int fd ATTRIBUTE_UNUSED,
# endif
#endif
#if ! HAVE_FUTIMES_AT
#if ! HAVE_FUTIMESAT
if (!file)
{
# if ! (HAVE_WORKING_UTIMES && HAVE_FUTIMES)
errno = ENOSYS;
# endif
/* Prefer EBADF to ENOSYS if both error numbers apply. */
if (errno == ENOSYS)
{
int fd2 = dup (fd);
int dup_errno = errno;
if (0 <= fd2)
close (fd2);
errno = (fd2 < 0 && dup_errno == EBADF ? EBADF : ENOSYS);
}
return -1;
}