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LHASH: Document down_load functions

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Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22981)
This commit is contained in:
Hugo Landau 2023-12-11 07:57:54 +00:00
parent ec7e89026b
commit 75caab2718
2 changed files with 30 additions and 12 deletions
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39
doc/man3/OPENSSL_LH_COMPFUNC.pod
View File

@ -8,10 +8,12 @@ LHASH_DOALL_ARG_FN_TYPE,
IMPLEMENT_LHASH_HASH_FN, IMPLEMENT_LHASH_COMP_FN,
lh_TYPE_new, lh_TYPE_free, lh_TYPE_flush,
lh_TYPE_insert, lh_TYPE_delete, lh_TYPE_retrieve,
lh_TYPE_doall, lh_TYPE_doall_arg, lh_TYPE_error,
lh_TYPE_doall, lh_TYPE_doall_arg, lh_TYPE_num_items, lh_TYPE_get_down_load,
lh_TYPE_set_down_load, lh_TYPE_error,
OPENSSL_LH_new, OPENSSL_LH_free, OPENSSL_LH_flush,
OPENSSL_LH_insert, OPENSSL_LH_delete, OPENSSL_LH_retrieve,
OPENSSL_LH_doall, OPENSSL_LH_doall_arg, OPENSSL_LH_error
OPENSSL_LH_doall, OPENSSL_LH_doall_arg, OPENSSL_LH_num_items,
OPENSSL_LH_get_down_load, OPENSSL_LH_set_down_load, OPENSSL_LH_error
- dynamic hash table
=head1 SYNOPSIS
@ -36,6 +38,10 @@ OPENSSL_LH_doall, OPENSSL_LH_doall_arg, OPENSSL_LH_error
void lh_TYPE_doall_arg(LHASH_OF(TYPE) *table, OPENSSL_LH_DOALL_FUNCARG func,
TYPE *arg);
unsigned long lh_TYPE_num_items(OPENSSL_LHASH *lh);
unsigned long lh_TYPE_get_down_load(OPENSSL_LHASH *lh);
void lh_TYPE_set_down_load(OPENSSL_LHASH *lh, unsigned long dl);
int lh_TYPE_error(LHASH_OF(TYPE) *table);
typedef int (*OPENSSL_LH_COMPFUNC)(const void *, const void *);
@ -54,8 +60,14 @@ OPENSSL_LH_doall, OPENSSL_LH_doall_arg, OPENSSL_LH_error
void OPENSSL_LH_doall(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNC func);
void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg);
unsigned long OPENSSL_LH_num_items(OPENSSL_LHASH *lh);
unsigned long OPENSSL_LH_get_down_load(OPENSSL_LHASH *lh);
void OPENSSL_LH_set_down_load(OPENSSL_LHASH *lh, unsigned long dl);
int OPENSSL_LH_error(OPENSSL_LHASH *lh);
#define LH_LOAD_MULT /* integer constant */
The following macro is deprecated:
DEFINE_LHASH_OF(TYPE);
@ -199,17 +211,26 @@ B<lh_I<TYPE>_doall>() or B<lh_I<TYPE>_doall_arg>().
B<lh_I<TYPE>_error>() can be used to determine if an error occurred in the last
operation.
B<lh_I<TYPE>_num_items>() returns the number of items in the hash table.
B<lh_I<TYPE>_get_down_load>() and B<lh_I<TYPE>_set_down_load>() get and set the
factor used to determine when the hash table is contracted. The factor is the
load factor at or below which hash table contraction will occur, multiplied by
B<LH_LOAD_MULT>, where the load factor is the number of items divided by the
number of nodes. Setting this value to 0 disables hash table contraction.
OPENSSL_LH_new() is the same as the B<lh_I<TYPE>_new>() except that it is not
type specific. So instead of returning an B<LHASH_OF(I<TYPE>)> value it returns
a B<void *>. In the same way the functions OPENSSL_LH_free(),
OPENSSL_LH_flush(), OPENSSL_LH_insert(), OPENSSL_LH_delete(),
OPENSSL_LH_retrieve(), OPENSSL_LH_doall(), OPENSSL_LH_doall_arg(), and
OPENSSL_LH_error() are equivalent to the similarly named B<lh_I<TYPE>> functions
except that they return or use a B<void *> where the equivalent B<lh_I<TYPE>>
function returns or uses a B<I<TYPE> *> or B<LHASH_OF(I<TYPE>) *>. B<lh_I<TYPE>>
functions are implemented as type checked wrappers around the B<OPENSSL_LH>
functions. Most applications should not call the B<OPENSSL_LH> functions
directly.
OPENSSL_LH_retrieve(), OPENSSL_LH_doall(), OPENSSL_LH_doall_arg(),
OPENSSL_LH_num_items(), OPENSSL_LH_get_down_load(), OPENSSL_LH_set_down_load()
and OPENSSL_LH_error() are equivalent to the similarly named B<lh_I<TYPE>>
functions except that they return or use a B<void *> where the equivalent
B<lh_I<TYPE>> function returns or uses a B<I<TYPE> *> or B<LHASH_OF(I<TYPE>) *>.
B<lh_I<TYPE>> functions are implemented as type checked wrappers around the
B<OPENSSL_LH> functions. Most applications should not call the B<OPENSSL_LH>
functions directly.
=head1 RETURN VALUES

3
util/missingcrypto.txt
View File

@ -745,9 +745,6 @@ OCSP_response_status_str(3)
OCSP_url_svcloc_new(3)
OPENSSL_DIR_end(3)
OPENSSL_DIR_read(3)
OPENSSL_LH_get_down_load(3)
OPENSSL_LH_num_items(3)
OPENSSL_LH_set_down_load(3)
OPENSSL_LH_strhash(3)
OPENSSL_asc2uni(3)
OPENSSL_die(3)