MySQL 5.1: mysql/src/5.1-dbg/sql/discover.cc File Reference

mysql/src/5.1-dbg/sql/discover.cc File Reference

#include "mysql_priv.h"
#include <my_dir.h>

Include dependency graph for discover.cc:


Functions
int	readfrm (const char name, const void frmdata, uint len)
int	writefrm (const char name, const void frmdata, uint len)

Function Documentation

int readfrm	(	const char *	name,
		const void **	frmdata,
		uint *	len
	)

Definition at line 43 of file discover.cc.

References DBUG_ENTER, DBUG_PRINT, DBUG_RETURN, err, error, fn_format(), FN_REFLEN, MY_APPEND_EXT, my_close(), my_fstat(), my_open(), MY_STAT, MY_UNPACK_FILENAME, MY_WME, MYF, NULL, O_SHARE, read_string(), reg_ext, and VOID.

Referenced by mysql_write_frm().

00045 {
00046   int    error;
00047   char   index_file[FN_REFLEN];
00048   File   file;
00049   ulong read_len;
00050   char *read_data;
00051   MY_STAT state;  
00052   DBUG_ENTER("readfrm");
00053   DBUG_PRINT("enter",("name: '%s'",name));
00054   
00055   *frmdata= NULL;      // In case of errors
00056   *len= 0;
00057   error= 1;
00058   if ((file=my_open(fn_format(index_file,name,"",reg_ext,
00059                               MY_UNPACK_FILENAME|MY_APPEND_EXT),
00060                     O_RDONLY | O_SHARE,
00061                     MYF(0))) < 0)  
00062     goto err_end; 
00063   
00064   // Get length of file
00065   error= 2;
00066   if (my_fstat(file, &state, MYF(0)))
00067     goto err;
00068   read_len= state.st_size;  
00069 
00070   // Read whole frm file
00071   error= 3;
00072   read_data= 0; 
00073   if (read_string(file, &read_data, read_len))
00074     goto err;
00075 
00076   // Setup return data
00077   *frmdata= (void*) read_data;
00078   *len= read_len;
00079   error= 0;
00080   
00081  err:
00082   if (file > 0)
00083     VOID(my_close(file,MYF(MY_WME)));
00084   
00085  err_end:                     /* Here when no file */
00086   DBUG_RETURN (error);
00087 } /* readfrm */

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int writefrm	(	const char *	name,
		const void *	frmdata,
		uint	len
	)

Definition at line 106 of file discover.cc.

References CREATE_MODE, DBUG_ENTER, DBUG_PRINT, DBUG_RETURN, error, fn_format(), FN_REFLEN, MY_APPEND_EXT, my_close(), my_create(), MY_NABP, MY_UNPACK_FILENAME, MY_WME, my_write, MYF, reg_ext, and VOID.

Referenced by ha_create_table_from_engine().

00107 {
00108   File file;
00109   char   index_file[FN_REFLEN];
00110   int error;
00111   DBUG_ENTER("writefrm");
00112   DBUG_PRINT("enter",("name: '%s' len: %d ",name,len));
00113   //DBUG_DUMP("frmdata", (char*)frmdata, len);
00114 
00115   error= 0;
00116   if ((file=my_create(fn_format(index_file,name,"",reg_ext,
00117                       MY_UNPACK_FILENAME|MY_APPEND_EXT),
00118                       CREATE_MODE,O_RDWR | O_TRUNC,MYF(MY_WME))) >= 0)
00119   {
00120     if (my_write(file,(byte*)frmdata,len,MYF(MY_WME | MY_NABP)))
00121       error= 2;
00122     VOID(my_close(file,MYF(0)));
00123   }
00124   DBUG_RETURN(error);
00125 } /* writefrm */

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Generated on Sat Sep 9 02:19:58 2006 for MySQL 5.1 by

1.4.7

mysql/src/5.1-dbg/sql/discover.cc File Reference

Functions

Function Documentation