diff options
Diffstat (limited to 'mysql/mysys/my_copy.c')
| -rw-r--r-- | mysql/mysys/my_copy.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/mysql/mysys/my_copy.c b/mysql/mysys/my_copy.c deleted file mode 100644 index a416389..0000000 --- a/mysql/mysys/my_copy.c +++ /dev/null @@ -1,153 +0,0 @@ -/* Copyright (c) 2000, 2015, 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 02110-1301 USA */ - -#include "mysys_priv.h" -#include "my_sys.h" -#include <my_dir.h> /* for stat */ -#include <m_string.h> -#include "mysys_err.h" -#include "my_thread_local.h" - -#ifndef _WIN32 -#include <utime.h> -#else -#include <sys/utime.h> -#endif - -/* - int my_copy(const char *from, const char *to, myf MyFlags) - - NOTES - Ordinary ownership and accesstimes are copied from 'from-file' - If MyFlags & MY_HOLD_ORIGINAL_MODES is set and to-file exists then - the modes of to-file isn't changed - If MyFlags & MY_DONT_OVERWRITE_FILE is set, we will give an error - if the file existed. - - WARNING - Don't set MY_FNABP or MY_NABP bits on when calling this function ! - - RETURN - 0 ok - # Error - -*/ - -int my_copy(const char *from, const char *to, myf MyFlags) -{ - size_t Count; - my_bool new_file_stat= 0; /* 1 if we could stat "to" */ - int create_flag; - File from_file,to_file; - uchar buff[IO_SIZE]; - MY_STAT stat_buff,new_stat_buff; - DBUG_ENTER("my_copy"); - DBUG_PRINT("my",("from %s to %s MyFlags %d", from, to, MyFlags)); - - from_file=to_file= -1; - memset(&new_stat_buff, 0, sizeof(MY_STAT)); - DBUG_ASSERT(!(MyFlags & (MY_FNABP | MY_NABP))); /* for my_read/my_write */ - if (MyFlags & MY_HOLD_ORIGINAL_MODES) /* Copy stat if possible */ - new_file_stat= MY_TEST(my_stat((char*) to, &new_stat_buff, MYF(0))); - - if ((from_file=my_open(from,O_RDONLY | O_SHARE,MyFlags)) >= 0) - { - if (!my_stat(from, &stat_buff, MyFlags)) - { - set_my_errno(errno); - goto err; - } - if (MyFlags & MY_HOLD_ORIGINAL_MODES && new_file_stat) - stat_buff=new_stat_buff; - create_flag= (MyFlags & MY_DONT_OVERWRITE_FILE) ? O_EXCL : O_TRUNC; - - if ((to_file= my_create(to,(int) stat_buff.st_mode, - O_WRONLY | create_flag | O_BINARY | O_SHARE, - MyFlags)) < 0) - goto err; - - while ((Count=my_read(from_file, buff, sizeof(buff), MyFlags)) != 0) - { - if (Count == (uint) -1 || - my_write(to_file,buff,Count,MYF(MyFlags | MY_NABP))) - goto err; - } - - /* sync the destination file */ - if (MyFlags & MY_SYNC) - { - if (my_sync(to_file, MyFlags)) - goto err; - } - - if (my_close(from_file,MyFlags) | my_close(to_file,MyFlags)) - DBUG_RETURN(-1); /* Error on close */ - - /* Reinitialize closed fd, so they won't be closed again. */ - from_file= -1; - to_file= -1; - - /* Copy modes if possible */ - - if (MyFlags & MY_HOLD_ORIGINAL_MODES && !new_file_stat) - DBUG_RETURN(0); /* File copyed but not stat */ - /* Copy modes */ - if (chmod(to, stat_buff.st_mode & 07777)) - { - set_my_errno(errno); - if (MyFlags & (MY_FAE+MY_WME)) - { - char errbuf[MYSYS_STRERROR_SIZE]; - my_error(EE_CHANGE_PERMISSIONS, MYF(0), from, - errno, my_strerror(errbuf, sizeof(errbuf), errno)); - } - goto err; - } -#if !defined(_WIN32) - /* Copy ownership */ - if (chown(to, stat_buff.st_uid, stat_buff.st_gid)) - { - set_my_errno(errno); - if (MyFlags & (MY_FAE+MY_WME)) - { - char errbuf[MYSYS_STRERROR_SIZE]; - my_error(EE_CHANGE_OWNERSHIP, MYF(0), from, - errno, my_strerror(errbuf, sizeof(errbuf), errno)); - } - goto err; - } -#endif - - if (MyFlags & MY_COPYTIME) - { - struct utimbuf timep; - timep.actime = stat_buff.st_atime; - timep.modtime = stat_buff.st_mtime; - (void) utime((char*) to, &timep); /* last accessed and modified times */ - } - - DBUG_RETURN(0); - } - -err: - if (from_file >= 0) (void) my_close(from_file,MyFlags); - if (to_file >= 0) - { - (void) my_close(to_file, MyFlags); - /* attempt to delete the to-file we've partially written */ - (void) my_delete(to, MyFlags); - } - DBUG_RETURN(-1); -} /* my_copy */ |