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Wed May 21 10:42:52 EDT 2008 Pekka Pessi <first.last@nokia.com>

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* su_home_check_alloc(): added



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8603 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris 2008-05-25 03:25:07 +00:00
parent a45583dd73
commit f81c67cd3a
3 changed files with 30 additions and 5 deletions
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2
libs/sofia-sip/.update
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@ -1 +1 @@
Sat May 24 23:22:13 EDT 2008 Sat May 24 23:25:00 EDT 2008

2
libs/sofia-sip/libsofia-sip-ua/su/sofia-sip/su_alloc.h
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@ -103,6 +103,8 @@ SU_DLL int su_home_has_parent(su_home_t const *home);
SU_DLL void su_home_check(su_home_t const *home); SU_DLL void su_home_check(su_home_t const *home);
SU_DLL int su_home_check_alloc(su_home_t const *home, void const *data);
SU_DLL int su_home_mutex_lock(su_home_t *home); SU_DLL int su_home_mutex_lock(su_home_t *home);
SU_DLL int su_home_mutex_unlock(su_home_t *home); SU_DLL int su_home_mutex_unlock(su_home_t *home);

31
libs/sofia-sip/libsofia-sip-ua/su/su_alloc.c
View File

@ -283,7 +283,7 @@ size_t su_block_find_collision, su_block_find_collision_used,
su_block_find_collision_size; su_block_find_collision_size;
#endif #endif
su_inline su_alloc_t *su_block_find(su_block_t *b, void const *p) su_inline su_alloc_t *su_block_find(su_block_t const *b, void const *p)
{ {
size_t h, h0, probe; size_t h, h0, probe;
@ -306,8 +306,10 @@ su_inline su_alloc_t *su_block_find(su_block_t *b, void const *p)
probe = (b->sub_n > SUB_P) ? SUB_P : 1; probe = (b->sub_n > SUB_P) ? SUB_P : 1;
do { do {
if (b->sub_nodes[h].sua_data == p) if (b->sub_nodes[h].sua_data == p) {
return &b->sub_nodes[h]; su_alloc_t const *retval = &b->sub_nodes[h];
return (su_alloc_t *)retval; /* discard const */
}
h += probe; h += probe;
if (h >= b->sub_n) if (h >= b->sub_n)
h -= b->sub_n; h -= b->sub_n;
@ -463,7 +465,7 @@ void *sub_alloc(su_home_t *home,
home->suh_blocks = b2; home->suh_blocks = b2;
if (sub && !sub->sub_auto) if (sub && !sub->sub_auto)
safefree(sub); free(sub);
sub = b2; sub = b2;
} }
@ -836,6 +838,27 @@ void su_free(su_home_t *home, void *data)
safefree(data); safefree(data);
} }
/** Check if pointer has been allocated through home.
*
* @param home pointer to a memory home
* @param data pointer to a memory area possibly allocated though home
*/
int su_home_check_alloc(su_home_t const *home, void const *data)
{
int retval = 0;
if (home && data) {
su_block_t const *sub = MEMLOCK(home);
su_alloc_t *allocation = su_block_find(sub, data);
retval = allocation != NULL;
UNLOCK(home);
}
return retval;
}
/** Check home consistency. /** Check home consistency.
* *
* Ensures that the home structure and all memory blocks allocated through * Ensures that the home structure and all memory blocks allocated through