mariadb/libmysqld/lib_vio.c
unknown cfab46f546 Update copyright
Fixed memory leak on shutdown (Affects the embedded version & MyODBC)


client/client_priv.h:
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client/completion_hash.cc:
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client/completion_hash.h:
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client/connect_test.c:
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client/errmsg.c:
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div/deadlock_test.c:
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extra/comp_err.c:
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fs/database.c:
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fs/libmysqlfs.c:
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fs/mysqlcorbafs.c:
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heap/_check.c:
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heap/heapdef.h:
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heap/hp_block.c:
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heap/hp_clear.c:
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include/config-win.h:
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include/ft_global.h:
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include/getopt.h:
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include/merge.h:
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include/my_alarm.h:
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include/thr_alarm.h:
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include/violite.h:
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isam/_cache.c:
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isam/_packrec.c:
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isam/_page.c:
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isam/_search.c:
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isam/changed.c:
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isam/close.c:
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libmysql/conf_to_src.c:
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libmysql/dll.c:
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libmysql/errmsg.c:
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libmysql/get_password.c:
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libmysql/libmysql.c:
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libmysql/manager.c:
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libmysql/net.c:
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libmysql/password.c:
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libmysqld/lib_sql.cc:
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libmysqld/lib_vio.c:
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libmysqld/libmysqld.c:
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merge/mrg_close.c:
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merge/mrg_create.c:
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merge/mrg_def.h:
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merge/mrg_delete.c:
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merge/mrg_extra.c:
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merge/mrg_info.c:
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merge/mrg_locking.c:
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merge/mrg_open.c:
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merge/mrg_panic.c:
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merge/mrg_rrnd.c:
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merge/mrg_rsame.c:
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merge/mrg_static.c:
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merge/mrg_update.c:
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myisam/ft_boolean_search.c:
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myisam/ft_dump.c:
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myisam/ft_eval.h:
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myisam/ft_static.c:
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myisam/ft_stem.c:
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myisam/ft_stopwords.c:
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myisam/ft_test1.h:
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myisam/mi_cache.c:
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myisam/mi_changed.c:
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myisam/mi_check.c:
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myisam/mi_checksum.c:
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myisam/mi_close.c:
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myisam/mi_create.c:
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myisam/mi_dbug.c:
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myisam/mi_delete.c:
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myisam/mi_delete_all.c:
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myisam/mi_delete_table.c:
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myisam/mi_dynrec.c:
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myisam/mi_extra.c:
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myisam/mi_info.c:
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myisam/mi_key.c:
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myisam/mi_locking.c:
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myisam/mi_log.c:
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myisam/mi_open.c:
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myisam/mi_packrec.c:
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myisam/mi_page.c:
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myisam/mi_panic.c:
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myisam/mi_range.c:
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myisam/mi_rename.c:
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myisam/mi_rfirst.c:
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myisam/mi_rlast.c:
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myisam/mi_rnext_same.c:
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myisam/mi_rrnd.c:
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myisam/mi_rsame.c:
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myisam/mi_rsamepos.c:
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myisam/mi_scan.c:
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myisam/mi_search.c:
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myisam/mi_static.c:
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myisam/mi_statrec.c:
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myisam/mi_test1.c:
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myisam/mi_test2.c:
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myisam/mi_test3.c:
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myisam/mi_unique.c:
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myisam/mi_update.c:
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myisam/mi_write.c:
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myisam/myisamchk.c:
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myisam/myisampack.c:
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myisammrg/myrg_close.c:
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myisammrg/myrg_create.c:
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myisammrg/myrg_def.h:
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myisammrg/myrg_delete.c:
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myisammrg/myrg_locking.c:
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myisammrg/myrg_open.c:
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myisammrg/myrg_panic.c:
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myisammrg/myrg_rsame.c:
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myisammrg/myrg_static.c:
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myisammrg/myrg_update.c:
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myisammrg/myrg_write.c:
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mysql-test/r/gcc296.result:
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mysql-test/r/innodb.result:
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mysql-test/r/join_outer.result:
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mysql-test/r/myisam.result:
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mysys/array.c:
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mysys/charset.c:
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mysys/checksum.c:
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mysys/default.c:
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mysys/errors.c:
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mysys/getopt.c:
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mysys/getvar.c:
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mysys/hash.c:
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mysys/list.c:
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mysys/make-conf.c:
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mysys/md5.c:
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mysys/mf_brkhant.c:
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mysys/mf_cache.c:
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mysys/mf_casecnv.c:
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mysys/mf_dirname.c:
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mysys/mf_fn_ext.c:
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mysys/mf_format.c:
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mysys/mf_getdate.c:
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mysys/mf_iocache.c:
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mysys/mf_iocache2.c:
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mysys/mf_keycache.c:
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mysys/mf_loadpath.c:
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mysys/mf_pack.c:
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mysys/mf_path.c:
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mysys/mf_qsort.c:
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mysys/mf_qsort2.c:
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mysys/mf_radix.c:
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mysys/mf_same.c:
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mysys/mf_sleep.c:
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mysys/mf_sort.c:
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mysys/mf_soundex.c:
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mysys/mf_stripp.c:
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mysys/mf_tempfile.c:
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mysys/mf_unixpath.c:
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mysys/mf_util.c:
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mysys/mf_wcomp.c:
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mysys/mf_wfile.c:
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mysys/mulalloc.c:
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mysys/my_alarm.c:
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mysys/my_alloc.c:
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mysys/my_append.c:
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mysys/my_bit.c:
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mysys/my_bitmap.c:
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mysys/my_chsize.c:
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mysys/my_clock.c:
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mysys/my_compress.c:
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mysys/my_copy.c:
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mysys/my_create.c:
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mysys/my_delete.c:
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mysys/my_div.c:
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mysys/my_dup.c:
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mysys/my_error.c:
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mysys/my_fopen.c:
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mysys/my_fstream.c:
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mysys/my_getwd.c:
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mysys/my_init.c:
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mysys/my_lib.c:
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mysys/my_lock.c:
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mysys/my_lockmem.c:
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mysys/my_lread.c:
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mysys/my_lwrite.c:
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mysys/my_malloc.c:
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mysys/my_messnc.c:
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mysys/my_mkdir.c:
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mysys/my_net.c:
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mysys/my_once.c:
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mysys/my_open.c:
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mysys/my_pread.c:
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mysys/my_pthread.c:
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mysys/my_quick.c:
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mysys/my_read.c:
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mysys/my_realloc.c:
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mysys/my_redel.c:
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mysys/my_rename.c:
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mysys/my_seek.c:
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mysys/my_static.c:
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mysys/my_static.h:
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mysys/my_symlink.c:
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mysys/my_symlink2.c:
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mysys/my_tempnam.c:
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mysys/my_thr_init.c:
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mysys/my_vsnprintf.c:
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mysys/my_wincond.c:
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mysys/my_winthread.c:
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mysys/my_write.c:
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mysys/mysys_priv.h:
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mysys/ptr_cmp.c:
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mysys/queues.c:
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mysys/raid.cc:
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mysys/safemalloc.c:
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mysys/string.c:
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mysys/test_charset.c:
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mysys/test_dir.c:
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mysys/test_fn.c:
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mysys/testhash.c:
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mysys/thr_alarm.c:
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mysys/thr_lock.c:
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mysys/thr_mutex.c:
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mysys/thr_rwlock.c:
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mysys/tree.c:
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pstack/debug.c:
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pstack/debug.h:
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pstack/demangle.h:
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pstack/ieee.c:
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pstack/ieee.h:
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pstack/pstack.c:
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readline/bind.c:
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readline/complete.c:
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readline/display.c:
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readline/funmap.c:
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readline/histexpand.c:
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readline/histfile.c:
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readline/history.c:
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readline/history.h:
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readline/input.c:
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readline/kill.c:
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readline/readline.c:
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readline/readline.h:
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readline/vi_mode.c:
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sql/cache_manager.cc:
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sql/cache_manager.h:
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sql/convert.cc:
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sql/custom_conf.h:
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sql/derror.cc:
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sql/field.cc:
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sql/field.h:
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sql/field_conv.cc:
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sql/filesort.cc:
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sql/frm_crypt.cc:
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sql/ha_berkeley.cc:
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sql/ha_heap.h:
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sql/ha_isam.h:
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sql/ha_isammrg.h:
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sql/ha_myisam.cc:
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sql/handler.cc:
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sql/hash_filo.cc:
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sql/hash_filo.h:
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sql/hostname.cc:
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sql/init.cc:
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sql/item.cc:
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sql/item.h:
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sql/item_buff.cc:
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sql/item_cmpfunc.cc:
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sql/item_cmpfunc.h:
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sql/item_sum.h:
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sql/item_timefunc.cc:
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sql/item_timefunc.h:
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sql/item_uniq.cc:
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sql/item_uniq.h:
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sql/key.cc:
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sql/lex_symbol.h:
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sql/lock.cc:
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sql/log.cc:
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sql/log_event.cc:
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sql/log_event.h:
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sql/matherr.c:
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sql/mf_iocache.cc:
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sql/mini_client.cc:
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sql/mini_client.h:
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sql/my_lock.c:
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sql/mysqld.cc:
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sql/net_pkg.cc:
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sql/net_serv.cc:
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sql/opt_sum.cc:
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sql/password.c:
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sql/procedure.cc:
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sql/procedure.h:
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sql/records.cc:
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sql/repl_failsafe.cc:
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sql/slave.cc:
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sql/slave.h:
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sql/sql_acl.cc:
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sql/sql_acl.h:
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sql/sql_analyse.cc:
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sql/sql_class.h:
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sql/sql_db.cc:
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sql/sql_delete.cc:
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sql/sql_handler.cc:
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sql/sql_insert.cc:
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sql/sql_lex.cc:
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sql/sql_lex.h:
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sql/sql_list.cc:
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sql/sql_load.cc:
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sql/sql_map.cc:
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sql/sql_map.h:
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sql/sql_parse.cc:
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sql/sql_rename.cc:
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sql/sql_select.h:
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sql/sql_string.cc:
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sql/sql_table.cc:
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sql/sql_test.cc:
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sql/sql_udf.cc:
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sql/sql_udf.h:
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sql/stacktrace.c:
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sql/structs.h:
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sql/table.cc:
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sql/table.h:
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sql/thr_malloc.cc:
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sql/time.cc:
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sql/udf_example.cc:
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sql/uniques.cc:
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sql/unireg.cc:
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sql/unireg.h:
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strings/atof.c:
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strings/bchange.c:
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strings/bcmp.c:
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strings/bcopy-duff.c:
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strings/bmove512.c:
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strings/bmove_upp.c:
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strings/conf_to_src.c:
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strings/ctype-big5.c:
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strings/ctype-czech.c:
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strings/ctype-euc_kr.c:
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strings/ctype-gb2312.c:
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strings/ctype-gbk.c:
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strings/ctype-latin1_de.c:
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strings/ctype-sjis.c:
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strings/ctype-tis620.c:
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strings/ctype-ujis.c:
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strings/ctype.c:
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strings/int2str.c:
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strings/is_prefix.c:
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strings/llstr.c:
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strings/memcmp.c:
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strings/memset.c:
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strings/str2int.c:
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strings/str_test.c:
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strings/strappend.c:
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strings/strcat.c:
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strings/strcend.c:
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strings/strchr.c:
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strings/strcmp.c:
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strings/strcont.c:
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strings/strend.c:
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strings/strfill.c:
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strings/strings-not-used.h:
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strings/strinstr.c:
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strings/strlen.c:
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strings/strmake.c:
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strings/strmov.c:
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strings/strnlen.c:
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strings/strnmov.c:
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strings/strrchr.c:
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strings/strstr.c:
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strings/strto.c:
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strings/strtol.c:
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strings/strtoll.c:
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strings/strtoul.c:
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strings/strtoull.c:
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strings/strxmov.c:
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strings/strxnmov.c:
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strings/t_ctype.h:
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strings/udiv.c:
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tools/mysqlmanager.c:
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vio/test-ssl.c:
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vio/test-sslclient.c:
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vio/test-sslserver.c:
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vio/vio.c:
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vio/viosocket.c:
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vio/viossl.c:
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vio/viosslfactories.c:
  Update copyright
vio/viotest-ssl.c:
  Update copyright
2001-12-06 14:10:51 +02:00

220 lines
4.6 KiB
C

/* Copyright (C) 2000 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
Note that we can't have assertion on file descriptors; The reason for
this is that during mysql shutdown, another thread can close a file
we are working on. In this case we should just return read errors from
the file descriptior.
*/
#include <my_global.h>
#include "mysql_embed.h"
#include "mysql.h"
#ifndef HAVE_VIO /* is Vio enabled */
#include <errno.h>
#include <my_sys.h>
#include <violite.h>
#include <my_sys.h>
#include <my_net.h>
#include <m_string.h>
#include <dbug.h>
#include <assert.h>
#ifndef __WIN__
#define HANDLE void *
#endif
struct st_vio
{
my_socket sd; /* my_socket - real or imaginary */
HANDLE hPipe;
my_bool localhost; /* Are we from localhost? */
int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */
struct sockaddr_in local; /* Local internet address */
struct sockaddr_in remote; /* Remote internet address */
enum enum_vio_type type; /* Type of connection */
char desc[30]; /* String description */
void *dest_thd;
char *packets, **last_packet;
char *where_in_packet, *end_of_packet;
my_bool reading;
MEM_ROOT root;
};
/* Initialize the communication buffer */
Vio *vio_new(my_socket sd, enum enum_vio_type type, my_bool localhost)
{
Vio * vio = NULL;
vio = (Vio *) my_malloc (sizeof(*vio),MYF(MY_WME|MY_ZEROFILL));
if (vio)
{
init_alloc_root(&vio->root, 8192, 8192);
vio->root.min_malloc = sizeof(char *) + 4;
vio->last_packet = &vio->packets;
}
return (vio);
}
#ifdef __WIN__
Vio *vio_new_win32pipe(HANDLE hPipe)
{
return (NULL);
}
#endif
void vio_delete(Vio * vio)
{
if (vio)
{
if (vio->type != VIO_CLOSED) vio_close(vio);
free_root(&vio->root, MYF(0));
my_free((gptr)vio, MYF(0));
}
}
void vio_reset(Vio *vio)
{
free_root(&vio->root, MYF(MY_KEEP_PREALLOC));
vio->packets = vio->where_in_packet = vio->end_of_packet = 0;
vio->last_packet = &vio->packets;
}
int vio_errno(Vio *vio __attribute__((unused)))
{
return socket_errno; /* On Win32 this mapped to WSAGetLastError() */
}
int vio_read(Vio * vio, gptr buf, int size)
{
vio->reading = 1;
if (vio->where_in_packet >= vio->end_of_packet)
{
DBUG_ASSERT(vio->packets);
vio->where_in_packet = vio->packets + sizeof(char *) + 4;
vio->end_of_packet = vio->where_in_packet +
uint4korr(vio->packets + sizeof(char *));
vio->packets = *(char **)vio->packets;
}
if (vio->where_in_packet + size > vio->end_of_packet)
size = vio->end_of_packet - vio->where_in_packet;
memcpy(buf, vio->where_in_packet, size);
vio->where_in_packet += size;
return (size);
}
int vio_write(Vio * vio, const gptr buf, int size)
{
char *packet;
if (vio->reading)
{
vio->reading = 0;
vio_reset(vio);
}
if ((packet = alloc_root(&vio->root, sizeof(char*) + 4 + size)))
{
*vio->last_packet = packet;
vio->last_packet = (char **)packet;
*((char **)packet) = 0; /* Set forward link to 0 */
packet += sizeof(char *);
int4store(packet, size);
memcpy(packet + 4, buf, size);
}
else
size= -1;
return (size);
}
int vio_blocking(Vio * vio, my_bool set_blocking_mode)
{
int r=0;
return (r);
}
my_bool
vio_is_blocking(Vio * vio)
{
my_bool r=0;
return(r);
}
int vio_fastsend(Vio * vio)
{
int r=0;
return(r);
}
int vio_keepalive(Vio* vio, my_bool set_keep_alive)
{
int r=0;
return (r);
}
my_bool
vio_should_retry(Vio * vio __attribute__((unused)))
{
int en = socket_errno;
return (en == SOCKET_EAGAIN || en == SOCKET_EINTR ||
en == SOCKET_EWOULDBLOCK);
}
int vio_close(Vio * vio)
{
int r=0;
return(r);
}
const char *vio_description(Vio * vio)
{
return "embedded vio";
}
enum enum_vio_type vio_type(Vio* vio)
{
return VIO_CLOSED;
}
my_socket vio_fd(Vio* vio)
{
return 0;
}
my_bool vio_peer_addr(Vio * vio, char *buf)
{
return(0);
}
void vio_in_addr(Vio *vio, struct in_addr *in)
{
}
my_bool vio_poll_read(Vio *vio,uint timeout)
{
return 0;
}
#endif /* HAVE_VIO */