diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/fchownat.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/fchownat.c | 69 |
1 files changed, 3 insertions, 66 deletions
diff --git a/sysdeps/unix/sysv/linux/fchownat.c b/sysdeps/unix/sysv/linux/fchownat.c index 196b8005c3..fae1256af7 100644 --- a/sysdeps/unix/sysv/linux/fchownat.c +++ b/sysdeps/unix/sysv/linux/fchownat.c @@ -24,9 +24,10 @@ #include <sys/types.h> #include <alloca.h> #include <sysdep.h> -#include <kernel-features.h> +/* Consider moving to syscalls.list. */ + /* Change the owner and group of FILE. */ int fchownat (fd, file, owner, group, flag) @@ -36,69 +37,5 @@ fchownat (fd, file, owner, group, flag) gid_t group; int flag; { - int result; - -#ifdef __NR_fchownat -# ifndef __ASSUME_ATFCTS - if (__have_atfcts >= 0) -# endif - { - result = INLINE_SYSCALL (fchownat, 5, fd, file, owner, group, flag); -# ifndef __ASSUME_ATFCTS - if (result == -1 && errno == ENOSYS) - __have_atfcts = -1; - else -# endif - return result; - } -#endif - -#ifndef __ASSUME_ATFCTS - if (flag & ~AT_SYMLINK_NOFOLLOW) - { - __set_errno (EINVAL); - return -1; - } - - char *buf = NULL; - - if (fd != AT_FDCWD && file[0] != '/') - { - size_t filelen = strlen (file); - if (__glibc_unlikely (filelen == 0)) - { - __set_errno (ENOENT); - return -1; - } - - static const char procfd[] = "/proc/self/fd/%d/%s"; - /* Buffer for the path name we are going to use. It consists of - - the string /proc/self/fd/ - - the file descriptor number - - the file name provided. - The final NUL is included in the sizeof. A bit of overhead - due to the format elements compensates for possible negative - numbers. */ - size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen; - buf = alloca (buflen); - - __snprintf (buf, buflen, procfd, fd, file); - file = buf; - } - - INTERNAL_SYSCALL_DECL (err); - - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lchown, err, 3, file, owner, group); - else - result = INTERNAL_SYSCALL (chown, err, 3, file, owner, group); - - if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (result, err))) - { - __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf); - result = -1; - } - - return result; -#endif + return INLINE_SYSCALL (fchownat, 5, fd, file, owner, group, flag); } |