lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-08 17:42:12 +03:00
Code Activity

hurd: Factorize at/non-at functions

Browse Source 
Non-at functions can be implemented by just calling the corresponding at
function with AT_FDCWD and zero at_flags.

In the linkat case, the at behavior is different (O_NOLINK), so this introduces
__linkat_common to pass O_NOLINK as appropriate.

lstat functions can also be implemented with fstatat by adding
__fstatat64_common which takes a flags parameter in addition to the at_flags
parameter,

In the end this factorizes chmod, chown, link, lstat64, mkdir, readlink,
rename, stat64, symlink, unlink, utimes.

This also makes __lstat, __lxstat64, __stat and __xstat64 directly use
__fstatat64_common instead of __lstat64 or __stat64.
This commit is contained in:
Samuel Thibault
2022-09-17 19:47:57 +00:00
parent 6841aed6c4
commit 7ae60af75b
29 changed files with 123 additions and 226 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
sysdeps/mach/hurd/link.c
View File

@@ -20,39 +20,13 @@
#include <unistd.h>
#include <hurd.h>
#include <linkat_common.h>
/* Make a link to FROM called TO. */
int
__link (const char *from, const char *to)
{
error_t err;
file_t oldfile, linknode, todir;
char *toname;
oldfile = __file_name_lookup (from, 0, 0);
if (oldfile == MACH_PORT_NULL)
return -1;
/* The file_getlinknode RPC returns the port that should be passed to
the receiving filesystem (the one containing TODIR) in dir_link. */
err = __file_getlinknode (oldfile, &linknode);
__mach_port_deallocate (__mach_task_self (), oldfile);
if (err)
return __hurd_fail (err);
todir = __file_name_split (to, &toname);
if (todir != MACH_PORT_NULL)
{
err = __dir_link (todir, linknode, toname, 1);
__mach_port_deallocate (__mach_task_self (), todir);
}
__mach_port_deallocate (__mach_task_self (), linknode);
if (todir == MACH_PORT_NULL)
return -1;
if (err)
return __hurd_fail (err);
return 0;
return __linkat_common (AT_FDCWD, from, AT_FDCWD, to, 0, 0);
}
weak_alias (__link, link)