diff options
author | unknown <jani@hynda.mysql.fi> | 2007-06-27 17:49:12 +0300 |
---|---|---|
committer | unknown <jani@hynda.mysql.fi> | 2007-06-27 17:49:12 +0300 |
commit | 5444b55cbbab69a508e6c477a1b9580eff969da1 (patch) | |
tree | eb82a0418f88b83d49bf66dfc659d59862535683 /mysys/array.c | |
parent | e34641b3cece714b861c7130f245659342f583ba (diff) | |
parent | 1a96259191b193b353387cbb70d7567009e3b247 (diff) | |
download | mariadb-git-5444b55cbbab69a508e6c477a1b9580eff969da1.tar.gz |
Merge jamppa@bk-internal.mysql.com:/home/bk/mysql-5.1
into hynda.mysql.fi:/home/my/mysql-maria
BitKeeper/etc/ignore:
auto-union
Makefile.am:
Auto merged
BUILD/SETUP.sh:
Auto merged
BitKeeper/deleted/.del-init_db.sql~a77d572c39d5a1f8:
Auto merged
client/mysqldump.c:
Auto merged
include/Makefile.am:
Auto merged
include/m_string.h:
Auto merged
include/my_base.h:
Auto merged
include/my_dbug.h:
Auto merged
libmysql/CMakeLists.txt:
Auto merged
libmysql/Makefile.shared:
Auto merged
libmysqld/Makefile.am:
Auto merged
mysql-test/include/varchar.inc:
Auto merged
mysql-test/lib/mtr_cases.pl:
Auto merged
mysql-test/lib/mtr_io.pl:
Auto merged
mysql-test/lib/mtr_misc.pl:
Auto merged
mysql-test/mysql-test-run.pl:
Auto merged
mysql-test/lib/mtr_process.pl:
Auto merged
mysql-test/lib/mtr_report.pl:
Auto merged
mysql-test/r/events_logs_tests.result:
Auto merged
mysql-test/r/view.result:
Auto merged
mysql-test/t/disabled.def:
Auto merged
mysql-test/t/events_logs_tests.test:
Auto merged
mysql-test/t/myisam.test:
Auto merged
mysql-test/t/view.test:
Auto merged
mysys/Makefile.am:
Auto merged
mysys/my_create.c:
Auto merged
mysys/my_handler.c:
Auto merged
mysys/my_init.c:
Auto merged
mysys/my_open.c:
Auto merged
mysys/safemalloc.c:
Auto merged
plugin/daemon_example/daemon_example.cc:
Auto merged
sql/Makefile.am:
Auto merged
sql/filesort.cc:
Auto merged
sql/gen_lex_hash.cc:
Auto merged
sql/ha_ndbcluster.cc:
Auto merged
sql/handler.cc:
Auto merged
sql/handler.h:
Auto merged
sql/item_func.cc:
Auto merged
sql/item_func.h:
Auto merged
sql/log.cc:
Auto merged
sql/mysql_priv.h:
Auto merged
sql/opt_range.cc:
Auto merged
sql/slave.cc:
Auto merged
sql/slave.h:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/share/errmsg.txt:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_test.cc:
Auto merged
sql/udf_example.c:
Auto merged
sql/uniques.cc:
Auto merged
sql/unireg.cc:
Auto merged
storage/csv/ha_tina.cc:
Auto merged
storage/myisam/ft_boolean_search.c:
Auto merged
storage/myisam/ft_nlq_search.c:
Auto merged
storage/myisam/ft_parser.c:
Auto merged
storage/myisam/ft_stopwords.c:
Auto merged
storage/myisam/ft_update.c:
Auto merged
storage/myisam/fulltext.h:
Auto merged
storage/myisam/ha_myisam.h:
Auto merged
storage/myisam/mi_checksum.c:
Auto merged
storage/myisam/mi_create.c:
Auto merged
storage/myisam/mi_delete.c:
Auto merged
storage/myisam/mi_delete_all.c:
Auto merged
storage/myisam/mi_key.c:
Auto merged
storage/myisam/mi_log.c:
Auto merged
storage/myisam/mi_open.c:
Auto merged
storage/myisam/mi_range.c:
Auto merged
storage/myisam/mi_rkey.c:
Auto merged
storage/myisam/mi_rsamepos.c:
Auto merged
storage/myisam/mi_search.c:
Auto merged
storage/myisam/mi_test1.c:
Auto merged
storage/myisam/mi_test2.c:
Auto merged
storage/myisam/mi_unique.c:
Auto merged
storage/myisam/mi_update.c:
Auto merged
storage/myisam/myisamlog.c:
Auto merged
storage/myisam/myisampack.c:
Auto merged
storage/myisam/rt_index.c:
Auto merged
storage/myisam/sort.c:
Auto merged
storage/myisam/sp_test.c:
Auto merged
storage/myisammrg/ha_myisammrg.h:
Auto merged
storage/ndb/src/mgmapi/mgmapi.cpp:
Auto merged
unittest/Makefile.am:
Auto merged
BitKeeper/triggers/post-commit:
Manual merge from mysql-5.1 to mysql-maria
configure.in:
Manual merge from mysql-5.1 to mysql-maria
include/ft_global.h:
Manual merge from mysql-5.1 to mysql-maria
include/keycache.h:
Manual merge from mysql-5.1 to mysql-maria
include/my_atomic.h:
Manual merge from mysql-5.1 to mysql-maria
include/my_global.h:
Manual merge from mysql-5.1 to mysql-maria
include/my_sys.h:
Manual merge from mysql-5.1 to mysql-maria
include/myisam.h:
Manual merge from mysql-5.1 to mysql-maria
mysys/array.c:
Manual merge from mysql-5.1 to mysql-maria
mysys/mf_keycache.c:
Manual merge from mysql-5.1 to mysql-maria
mysys/mf_keycaches.c:
Manual merge from mysql-5.1 to mysql-maria
mysys/my_pread.c:
Manual merge from mysql-5.1 to mysql-maria
sql/mysqld.cc:
Manual merge from mysql-5.1 to mysql-maria
sql/net_serv.cc:
Manual merge from mysql-5.1 to mysql-maria
sql/set_var.cc:
Manual merge from mysql-5.1 to mysql-maria
sql/set_var.h:
Manual merge from mysql-5.1 to mysql-maria
sql/sql_class.h:
Manual merge from mysql-5.1 to mysql-maria
storage/myisam/ft_static.c:
Manual merge from mysql-5.1 to mysql-maria
storage/myisam/ha_myisam.cc:
Manual merge from mysql-5.1 to mysql-maria
storage/myisam/mi_check.c:
Manual merge from mysql-5.1 to mysql-maria
storage/myisam/mi_dynrec.c:
Manual merge from mysql-5.1 to mysql-maria
storage/myisam/mi_packrec.c:
Manual merge from mysql-5.1 to mysql-maria
storage/myisam/mi_write.c:
Manual merge from mysql-5.1 to mysql-maria
storage/myisam/myisamchk.c:
Manual merge from mysql-5.1 to mysql-maria
storage/myisam/myisamdef.h:
Manual merge from mysql-5.1 to mysql-maria
storage/myisammrg/ha_myisammrg.cc:
Manual merge from mysql-5.1 to mysql-maria
unittest/mysys/Makefile.am:
Manual merge from mysql-5.1 to mysql-maria
unittest/mysys/my_atomic-t.c:
Manual merge from mysql-5.1 to mysql-maria
Diffstat (limited to 'mysys/array.c')
-rw-r--r-- | mysys/array.c | 89 |
1 files changed, 58 insertions, 31 deletions
diff --git a/mysys/array.c b/mysys/array.c index 8a539f18a20..b7342f70ef8 100644 --- a/mysys/array.c +++ b/mysys/array.c @@ -63,7 +63,7 @@ my_bool init_dynamic_array2(DYNAMIC_ARRAY *array, uint element_size, array->size_of_element=element_size; if ((array->buffer= init_buffer)) DBUG_RETURN(FALSE); - if (!(array->buffer=(uchar*) my_malloc_ci(element_size*init_alloc,MYF(MY_WME)))) + if (!(array->buffer=(uchar*) my_malloc_ci(element_size*init_alloc, MYF(MY_WME)))) { array->max_element=0; DBUG_RETURN(TRUE); @@ -179,7 +179,7 @@ uchar *pop_dynamic(DYNAMIC_ARRAY *array) } /* - Replace elemnent in array with given element and index + Replace element in array with given element and index SYNOPSIS set_dynamic() @@ -200,42 +200,69 @@ my_bool set_dynamic(DYNAMIC_ARRAY *array, uchar* element, uint idx) { if (idx >= array->elements) { - if (idx >= array->max_element) - { - uint size; - char *new_ptr; - size=(idx+array->alloc_increment)/array->alloc_increment; - size*= array->alloc_increment; - if (array->buffer == (uchar *)(array + 1)) - { - /* - In this senerio, the buffer is statically preallocated, - so we have to create an all-new malloc since we overflowed - */ - if (!(new_ptr= (char *) my_malloc(size * - array->size_of_element, - MYF(MY_WME)))) - return 0; - memcpy(new_ptr, array->buffer, - array->elements * array->size_of_element); - } - else - if (!(new_ptr=(char*) my_realloc(array->buffer,size* - array->size_of_element, - MYF(MY_WME | MY_ALLOW_ZERO_PTR)))) - return TRUE; - array->buffer= (uchar*) new_ptr; - array->max_element=size; - } + if (idx >= array->max_element && allocate_dynamic(array, idx)) + return TRUE; bzero((uchar*) (array->buffer+array->elements*array->size_of_element), - (idx - array->elements)*array->size_of_element); + (idx - array->elements)*array->size_of_element); array->elements=idx+1; } memcpy(array->buffer+(idx * array->size_of_element),element, - (size_t) array->size_of_element); + (size_t) array->size_of_element); return FALSE; } + +/* + Ensure that dynamic array has enough elements + + SYNOPSIS + allocate_dynamic() + array + max_elements Numbers of elements that is needed + + NOTES + Any new allocated element are NOT initialized + + RETURN VALUE + FALSE Ok + TRUE Allocation of new memory failed +*/ + +my_bool allocate_dynamic(DYNAMIC_ARRAY *array, uint max_elements) +{ + if (max_elements >= array->max_element) + { + uint size; + char *new_ptr; + size= (max_elements + array->alloc_increment)/array->alloc_increment; + size*= array->alloc_increment; + if (array->buffer == (uchar *)(array + 1)) + { + /* + In this senerio, the buffer is statically preallocated, + so we have to create an all-new malloc since we overflowed + */ + if (!(new_ptr= (char *) my_malloc(size * + array->size_of_element, + MYF(MY_WME)))) + return 0; + memcpy(new_ptr, array->buffer, + array->elements * array->size_of_element); + } + else + + + if (!(new_ptr= (char*) my_realloc(array->buffer,size* + array->size_of_element, + MYF(MY_WME | MY_ALLOW_ZERO_PTR)))) + return TRUE; + array->buffer= new_ptr; + array->max_element= size; + } + return FALSE; +} + + /* Get an element from array by given index |