diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
commit | a175314c3e5827eb193872241446f2f8f5c9d33c (patch) | |
tree | cd3d60ca99ae00829c52a6ca79150a5b6e62528b /mysys/mf_tempdir.c | |
parent | Initial commit. (diff) | |
download | mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.tar.xz mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.zip |
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysys/mf_tempdir.c')
-rw-r--r-- | mysys/mf_tempdir.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/mysys/mf_tempdir.c b/mysys/mf_tempdir.c new file mode 100644 index 00000000..d09b307c --- /dev/null +++ b/mysys/mf_tempdir.c @@ -0,0 +1,96 @@ +/* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. + + 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; version 2 of the License. + + 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + +#include "mysys_priv.h" +#include <m_string.h> + +#if defined(__WIN__) +#define DELIM ';' +#else +#define DELIM ':' +#endif + +my_bool init_tmpdir(MY_TMPDIR *tmpdir, const char *pathlist) +{ + char *end, *copy; + char buff[FN_REFLEN]; + DBUG_ENTER("init_tmpdir"); + DBUG_PRINT("enter", ("pathlist: %s", pathlist ? pathlist : "NULL")); + + mysql_mutex_init(key_TMPDIR_mutex, &tmpdir->mutex, MY_MUTEX_INIT_FAST); + if (my_init_dynamic_array(key_memory_MY_TMPDIR_full_list, &tmpdir->full_list, + sizeof(char*), 1, 5, MYF(0))) + goto err; + if (!pathlist || !pathlist[0]) + { + /* Get default temporary directory */ + pathlist=getenv("TMPDIR"); /* Use this if possible */ +#if defined(__WIN__) + if (!pathlist) + pathlist=getenv("TEMP"); + if (!pathlist) + pathlist=getenv("TMP"); +#endif + if (!pathlist || !pathlist[0]) + pathlist= DEFAULT_TMPDIR; + } + do + { + size_t length; + end=strcend(pathlist, DELIM); + strmake(buff, pathlist, (uint) (end-pathlist)); + length= cleanup_dirname(buff, buff); + if (!(copy= my_strndup(key_memory_MY_TMPDIR_full_list, buff, length, MYF(MY_WME))) || + insert_dynamic(&tmpdir->full_list, (uchar*) ©)) + DBUG_RETURN(TRUE); + pathlist=end+1; + } + while (*end); + freeze_size(&tmpdir->full_list); + tmpdir->list=(char **)tmpdir->full_list.buffer; + tmpdir->max=tmpdir->full_list.elements-1; + tmpdir->cur=0; + DBUG_RETURN(FALSE); + +err: + delete_dynamic(&tmpdir->full_list); /* Safe to free */ + mysql_mutex_destroy(&tmpdir->mutex); + DBUG_RETURN(TRUE); +} + + +char *my_tmpdir(MY_TMPDIR *tmpdir) +{ + char *dir; + if (!tmpdir->max) + return tmpdir->list[0]; + mysql_mutex_lock(&tmpdir->mutex); + dir=tmpdir->list[tmpdir->cur]; + tmpdir->cur= (tmpdir->cur == tmpdir->max) ? 0 : tmpdir->cur+1; + mysql_mutex_unlock(&tmpdir->mutex); + return dir; +} + +void free_tmpdir(MY_TMPDIR *tmpdir) +{ + uint i; + if (!tmpdir->full_list.elements) + return; + for (i=0; i<=tmpdir->max; i++) + my_free(tmpdir->list[i]); + delete_dynamic(&tmpdir->full_list); + mysql_mutex_destroy(&tmpdir->mutex); +} + |