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Revised r24541 to be hopefully acceptable by the coreutils maintainers.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24550 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2008-03-24 11:18:14 +00:00
parent 13542b7379
commit f9bcddd700
1 changed files with 20 additions and 16 deletions
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36
src/bin/coreutils/src/remove.c
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@ -709,9 +709,9 @@ is_empty_dir (int fd_cwd, char const *dir)
return saved_errno == 0 ? true : false;
}
/* Return -1 if FILE is an unwritable non-symlink,
0 if it is writable or some other type of file,
a positive error number if there is some problem in determining the answer.
/* Return 1 if FILE is an unwritable non-symlink, 0 if it is writable or some
other type of file.
Returns -1 and sets errno if there is some problem in determining the answer.
Set *BUF to the file status.
This is to avoid calling euidaccess when FILE is a symlink. */
static int
@ -721,7 +721,7 @@ write_protected_non_symlink (int fd_cwd,
struct stat *buf)
{
if (cache_fstatat (fd_cwd, file, buf, AT_SYMLINK_NOFOLLOW) != 0)
return errno;
return -1;
if (S_ISLNK (buf->st_mode))
return 0;
/* Here, we know FILE is not a symbolic link. */
@ -778,15 +778,18 @@ write_protected_non_symlink (int fd_cwd,
= obstack_object_size (&ds->dir_stack) + strlen (file);
if (MIN (PATH_MAX, 8192) <= file_name_len)
return - euidaccess_stat (buf, W_OK);
return !euidaccess_stat (buf, W_OK);
if (euidaccess (full_filename (file), W_OK) == 0)
return 0;
if (errno == EACCES)
return 1;
{
errno = 0;
return 1;
}
/* Perhaps some other process has removed the file, or perhaps this
is a buggy NFS client. */
return errno;
return -1;
}
}
@ -814,33 +817,34 @@ prompt (int fd_cwd, Dirstack_state const *ds, char const *filename,
if (x->interactive == RMI_NEVER)
return RM_OK;
errno = 0;
if (!x->ignore_missing_files
& ((x->interactive == RMI_ALWAYS) | x->stdin_tty))
write_protected = write_protected_non_symlink (fd_cwd, filename, ds, sbuf);
if (write_protected || x->interactive == RMI_ALWAYS)
if (write_protected || errno || x->interactive == RMI_ALWAYS)
{
char const *quoted_name = quote (full_filename (filename));
if (write_protected <= 0
&& cache_fstatat (fd_cwd, filename, sbuf, AT_SYMLINK_NOFOLLOW) != 0)
if (errno == 0)
{
/* This happens, e.g., with `rm '''. */
write_protected = errno;
/* May fail for, e.g., with `rm '''. */
cache_fstatat (fd_cwd, filename, sbuf, AT_SYMLINK_NOFOLLOW);
}
if (write_protected >= 0)
if (errno == 0)
{
/* Using permissions doesn't make sense for symlinks. */
if (S_ISLNK (sbuf->st_mode) && x->interactive != RMI_ALWAYS)
return RM_OK;
if (S_ISDIR (sbuf->st_mode) && !x->recursive)
write_protected = EISDIR;
errno = EISDIR;
}
if (write_protected < 0)
if (errno != 0)
{
error (0, write_protected, _("cannot remove %s"), quoted_name);
error (0, errno, _("cannot remove %s"), quoted_name);
return RM_ERROR;
}