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acl_create_entry: Don't invalidate existing entry_d and permset_d. 

* sec_posixacl .cc (__acl_dup): Remove.
	(acl_dup): Fold __acl_dup functionality into this function.
	(acl_create_entry): Don't create new acl_t.  Just realloc
	acl->entry to make room for new aclent_t.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2016-01-06 23:00:51 +01:00
parent 3d88f10983
commit e4ecb5b96a
1 changed files with 11 additions and 16 deletions
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27
winsup/cygwin/sec_posixacl.cc
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@ -48,22 +48,21 @@ acl_init (int count)
return acl;
}
static acl_t
__acl_dup (acl_t acl, int max)
extern "C" acl_t
acl_dup (acl_t acl)
{
__try
{
acl_t new_acl = acl_init (max);
acl_t new_acl = acl_init (acl->max_count);
if (new_acl)
{
int new_idx = 0;
uint16_t new_idx = 0;
for (uint16_t idx = 0; idx < acl->count; ++idx)
if (acl->entry[idx].a_type != ACL_DELETED_TAG)
new_acl->entry[new_idx++] = acl->entry[idx];
new_acl->magic = ACL_MAGIC;
new_acl->count = new_idx;
new_acl->max_count = max;
return new_acl;
}
}
@ -72,12 +71,6 @@ __acl_dup (acl_t acl, int max)
return NULL;
}
extern "C" acl_t
acl_dup (acl_t acl)
{
return __acl_dup (acl, acl->max_count);
}
extern "C" int
acl_free (void *obj_p)
{
@ -159,12 +152,14 @@ acl_create_entry (acl_t *acl_p, acl_entry_t *entry_p)
}
if (acl->count >= acl->max_count)
{
acl_t new_acl = __acl_dup (acl, acl->count + 1);
if (!new_acl)
aclent_t *new_e;
new_e = (aclent_t *) realloc (acl->entry,
_ENTRY_SIZE (acl->max_count + 1));
if (!new_e)
__leave;
*acl_p = new_acl;
acl_free (acl);
acl = *acl_p;
acl->entry = new_e;
++acl->max_count;
}
idx = acl->count++;
*entry_p = __to_entry (acl, idx);