/* copy-acl.c - copy access control list from one file to another file
- Copyright (C) 2002-2003, 2005-2011 Free Software Foundation, Inc.
+ Copyright (C) 2002-2003, 2005-2012 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
Return -2 and set errno for an error relating to the source file.
Return -1 and set errno for an error relating to the destination file. */
-static int
+int
qcopy_acl (const char *src_name, int source_desc, const char *dst_name,
int dest_desc, mode_t mode)
{
return -2;
}
- if ((source_desc != -1
- ? facl (source_desc, ACE_GETACL, ace_count, ace_entries)
- : acl (src_name, ACE_GETACL, ace_count, ace_entries))
- == ace_count)
+ ret = (source_desc != -1
+ ? facl (source_desc, ACE_GETACL, ace_count, ace_entries)
+ : acl (src_name, ACE_GETACL, ace_count, ace_entries));
+ if (ret < 0)
+ {
+ free (ace_entries);
+ if (errno == ENOSYS || errno == EINVAL)
+ {
+ ace_count = 0;
+ ace_entries = NULL;
+ break;
+ }
+ else
+ return -2;
+ }
+ if (ret == ace_count)
break;
/* Huh? The number of ACL entries changed since the last call.
Repeat. */
#elif USE_ACL && HAVE_GETACL /* HP-UX */
- int count;
struct acl_entry entries[NACLENTRIES];
+ int count;
# if HAVE_ACLV_H
- int aclv_count;
struct acl aclv_entries[NACLVENTRIES];
+ int aclv_count;
# endif
int did_chmod;
int saved_errno;
int ret;
- for (;;)
- {
- count = (source_desc != -1
- ? fgetacl (source_desc, 0, NULL)
- : getacl (src_name, 0, NULL));
-
- if (count < 0)
- {
- if (errno == ENOSYS || errno == EOPNOTSUPP || errno == ENOTSUP)
- {
- count = 0;
- break;
- }
- else
- return -2;
- }
-
- if (count == 0)
- break;
+ count = (source_desc != -1
+ ? fgetacl (source_desc, NACLENTRIES, entries)
+ : getacl (src_name, NACLENTRIES, entries));
+ if (count < 0)
+ {
+ if (errno == ENOSYS || errno == EOPNOTSUPP || errno == ENOTSUP)
+ count = 0;
+ else
+ return -2;
+ }
+ else if (count > 0)
+ {
if (count > NACLENTRIES)
/* If NACLENTRIES cannot be trusted, use dynamic memory allocation. */
abort ();
-
- if ((source_desc != -1
- ? fgetacl (source_desc, count, entries)
- : getacl (src_name, count, entries))
- == count)
- break;
- /* Huh? The number of ACL entries changed since the last call.
- Repeat. */
}
# if HAVE_ACLV_H
- for (;;)
- {
- aclv_count = acl ((char *) src_name, ACL_CNT, NACLVENTRIES, aclv_entries);
-
- if (aclv_count < 0)
- {
- if (errno == ENOSYS || errno == EOPNOTSUPP || errno == EINVAL)
- {
- count = 0;
- break;
- }
- else
- return -2;
- }
-
- if (aclv_count == 0)
- break;
+ aclv_count = acl ((char *) src_name, ACL_GET, NACLVENTRIES, aclv_entries);
+ if (aclv_count < 0)
+ {
+ if (errno == ENOSYS || errno == EOPNOTSUPP || errno == EINVAL)
+ count = 0;
+ else
+ return -2;
+ }
+ else if (aclv_count > 0)
+ {
if (aclv_count > NACLVENTRIES)
/* If NACLVENTRIES cannot be trusted, use dynamic memory allocation. */
abort ();
-
- if (acl ((char *) src_name, ACL_GET, aclv_count, aclv_entries)
- == aclv_count)
- break;
- /* Huh? The number of ACL entries changed since the last call.
- Repeat. */
}
# endif
#elif USE_ACL && HAVE_ACLSORT /* NonStop Kernel */
- int count;
struct acl entries[NACLENTRIES];
+ int count;
int ret;
- for (;;)
- {
- count = acl ((char *) src_name, ACL_CNT, NACLENTRIES, NULL);
-
- if (count < 0)
- {
- if (0)
- {
- count = 0;
- break;
- }
- else
- return -2;
- }
-
- if (count == 0)
- break;
+ count = acl ((char *) src_name, ACL_GET, NACLENTRIES, entries);
+ if (count < 0)
+ {
+ if (0)
+ count = 0;
+ else
+ return -2;
+ }
+ else if (count > 0)
+ {
if (count > NACLENTRIES)
/* If NACLENTRIES cannot be trusted, use dynamic memory allocation. */
abort ();
-
- if (acl ((char *) src_name, ACL_GET, count, entries) == count)
- break;
- /* Huh? The number of ACL entries changed since the last call.
- Repeat. */
}
if (count == 0)
If access control lists are not available, fchmod the target file to
MODE. Also sets the non-permission bits of the destination file
(S_ISUID, S_ISGID, S_ISVTX) to those from MODE if any are set.
- Return 0 if successful, otherwise output a diagnostic and return -1. */
+ Return 0 if successful, otherwise output a diagnostic and return a
+ negative error code. */
int
copy_acl (const char *src_name, int source_desc, const char *dst_name,
{
case -2:
error (0, errno, "%s", quote (src_name));
- return -1;
+ break;
case -1:
error (0, errno, _("preserving permissions for %s"), quote (dst_name));
- return -1;
+ break;
default:
- return 0;
+ break;
}
+ return ret;
}
projects / gnulib.git / blobdiff