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Cygwin: acls: allow converting empty acl to text 

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2019-03-13 12:06:48 +01:00
parent 111b34bb1b
commit 004d8adfa2
2 changed files with 5 additions and 2 deletions
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3
winsup/cygwin/release/3.0.4
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@ -14,3 +14,6 @@ Bug Fixes
- Fix access to process list
Addresses: https://cygwin.com/ml/cygwin/2019-03/msg00253.html
- Fix acl_to_text/acl_to_any_text returning EINVAL on empty acl
Addresses: https://cygwin.com/ml/cygwin/2019-03/msg00157.html

4
winsup/cygwin/sec_acl.cc
View File

@ -1638,8 +1638,8 @@ char *
__acltotext (aclent_t *aclbufp, int aclcnt, const char *prefix, char separator,
int options)
{
if (!aclbufp || aclcnt < 1 || aclcnt > MAX_ACL_ENTRIES
|| aclsort32 (aclcnt, 0, aclbufp))
if (!aclbufp || aclcnt < 0 || aclcnt > MAX_ACL_ENTRIES
|| (aclcnt > 0 && aclsort32 (aclcnt, 0, aclbufp)))
{
set_errno (EINVAL);
return NULL;