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4d37689abe
Sanity checks when opening MyISAM files Docs/manual.texi: Added information about Borland c++ myisam/mi_check.c: Cleanup myisam/mi_open.c: Added sanity checking myisam/myisamchk.c: Better error messages mysys/my_chsize.c: Cleanup mysys/my_seek.c: Changed debug message mysys/my_write.c: Fixed test when exeeding file quota
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA */
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#include "mysys_priv.h"
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/* Seek to position in file */
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/*ARGSUSED*/
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my_off_t my_seek(File fd, my_off_t pos, int whence, myf MyFlags)
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{
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reg1 os_off_t newpos;
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DBUG_ENTER("my_seek");
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DBUG_PRINT("my",("Fd: %d Hpos: %lu Pos: %lu Whence: %d MyFlags: %d",
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fd, ((ulonglong) pos) >> 32, (ulong) pos, whence, MyFlags));
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newpos=lseek(fd, pos, whence);
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if (newpos == (os_off_t) -1)
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{
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my_errno=errno;
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DBUG_PRINT("error",("lseek: %lu, errno: %d",newpos,errno));
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DBUG_RETURN(MY_FILEPOS_ERROR);
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}
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DBUG_RETURN((my_off_t) newpos);
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} /* my_seek */
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/* Tell current position of file */
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/* ARGSUSED */
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my_off_t my_tell(File fd, myf MyFlags)
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{
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os_off_t pos;
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DBUG_ENTER("my_tell");
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DBUG_PRINT("my",("Fd: %d MyFlags: %d",fd, MyFlags));
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#ifdef HAVE_TELL
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pos=tell(fd);
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#else
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pos=lseek(fd, 0L, MY_SEEK_CUR);
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#endif
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if (pos == (os_off_t) -1)
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my_errno=errno;
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DBUG_PRINT("exit",("pos: %lu",pos));
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DBUG_RETURN((my_off_t) pos);
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} /* my_tell */
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