diff options
author | unknown <guilhem@gbichot3.local> | 2007-02-28 17:50:51 +0100 |
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committer | unknown <guilhem@gbichot3.local> | 2007-02-28 17:50:51 +0100 |
commit | ea57b3d4a066a5507a7e322b53e3acab24a2855e (patch) | |
tree | a0703039f00da454a2a91c8b14835d45a6146209 /mysys/array.c | |
parent | ae72e394502e13b854b6e9bb00889fa6b69a7ed9 (diff) | |
parent | fdf847fb62a0fcdf0edf25d6c8654b19eaa9a9ad (diff) | |
download | mariadb-git-ea57b3d4a066a5507a7e322b53e3acab24a2855e.tar.gz |
Merge gbichot3.local:/home/mysql_src/mysql-5.1-for-maria
into gbichot3.local:/home/mysql_src/mysql-maria
BitKeeper/etc/ignore:
auto-union
BUILD/SETUP.sh:
Auto merged
client/mysqldump.c:
Auto merged
config/ac-macros/plugins.m4:
Auto merged
configure.in:
Auto merged
include/Makefile.am:
Auto merged
include/atomic/nolock.h:
Auto merged
include/atomic/rwlock.h:
Auto merged
include/atomic/x86-gcc.h:
Auto merged
include/atomic/x86-msvc.h:
Auto merged
include/ft_global.h:
Auto merged
include/keycache.h:
Auto merged
include/m_string.h:
Auto merged
include/my_atomic.h:
Auto merged
include/my_base.h:
Auto merged
include/my_dbug.h:
Auto merged
include/my_global.h:
Auto merged
include/my_handler.h:
Auto merged
include/my_sys.h:
Auto merged
include/myisam.h:
Auto merged
libmysql/CMakeLists.txt:
Auto merged
libmysqld/Makefile.am:
Auto merged
mysql-test/mysql-test-run.pl:
Auto merged
mysql-test/r/events_logs_tests.result:
Auto merged
mysql-test/t/events_logs_tests.test:
Auto merged
mysys/Makefile.am:
Auto merged
mysys/array.c:
Auto merged
mysys/mf_keycache.c:
Auto merged
mysys/mf_keycaches.c:
Auto merged
mysys/my_atomic.c:
Auto merged
mysys/my_bit.c:
Auto merged
mysys/my_bitmap.c:
Auto merged
mysys/my_create.c:
Auto merged
mysys/my_delete.c:
Auto merged
mysys/my_getsystime.c:
Auto merged
mysys/my_handler.c:
Auto merged
mysys/my_init.c:
Auto merged
mysys/my_open.c:
Auto merged
mysys/my_pread.c:
Auto merged
mysys/my_rename.c:
Auto merged
mysys/my_symlink.c:
Auto merged
mysys/my_sync.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.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/set_var.h:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_sort.h:
Auto merged
sql/sql_test.cc:
Auto merged
sql/uniques.cc:
Auto merged
sql/unireg.cc:
Auto merged
storage/Makefile.am:
Auto merged
storage/csv/ha_tina.cc:
Auto merged
storage/myisam/Makefile.am:
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_static.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_check.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_dynrec.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_packrec.c:
Auto merged
storage/myisam/mi_range.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/mi_write.c:
Auto merged
storage/myisam/myisamchk.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/myisammrg/ha_myisammrg.h:
Auto merged
unittest/mytap/tap.c:
Auto merged
mysql-test/r/view.result:
manual merge
mysql-test/t/view.test:
manual merge
Makefile.am:
manual merge
mysql-test/t/disabled.def:
manual merge
sql/mysqld.cc:
manual merge
sql/set_var.cc:
manual merge
sql/udf_example.c:
manual merge
storage/myisam/ha_myisam.cc:
manual merge
storage/myisam/myisamdef.h:
manual merge
storage/ndb/src/mgmapi/mgmapi.cpp:
manual merge
unittest/Makefile.am:
manual merge
unittest/mysys/Makefile.am:
manual merge
unittest/mysys/my_atomic-t.c:
manual merge
Diffstat (limited to 'mysys/array.c')
-rw-r--r-- | mysys/array.c | 56 |
1 files changed, 41 insertions, 15 deletions
diff --git a/mysys/array.c b/mysys/array.c index 8f4a6087c00..7f909999fe9 100644 --- a/mysys/array.c +++ b/mysys/array.c @@ -60,7 +60,8 @@ my_bool init_dynamic_array(DYNAMIC_ARRAY *array, uint element_size, array->max_element=init_alloc; array->alloc_increment=alloc_increment; array->size_of_element=element_size; - if (!(array->buffer=(char*) my_malloc_ci(element_size*init_alloc,MYF(MY_WME)))) + if (!(array->buffer=(char*) my_malloc_ci(element_size*init_alloc, + MYF(MY_WME)))) { array->max_element=0; DBUG_RETURN(TRUE); @@ -153,7 +154,7 @@ byte *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() @@ -174,19 +175,8 @@ my_bool set_dynamic(DYNAMIC_ARRAY *array, gptr 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 (!(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; - } + if (idx >= array->max_element && allocate_dynamic(array, idx)) + return TRUE; bzero((gptr) (array->buffer+array->elements*array->size_of_element), (idx - array->elements)*array->size_of_element); array->elements=idx+1; @@ -196,6 +186,42 @@ my_bool set_dynamic(DYNAMIC_ARRAY *array, gptr element, uint idx) 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 (!(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 |