derror.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:5k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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 */
- /* Read language depeneded messagefile */
- #include "mysql_priv.h"
- #include "mysys_err.h"
- static bool read_texts(const char *file_name,const char ***point,
- uint error_messages);
- static void init_myfunc_errs(void);
- /* Read messages from errorfile */
- bool init_errmessage(void)
- {
- DBUG_ENTER("init_errmessage");
- if (read_texts(ERRMSG_FILE,&my_errmsg[ERRMAPP],ER_ERROR_MESSAGES))
- DBUG_RETURN(TRUE);
- errmesg=my_errmsg[ERRMAPP]; /* Init global variabel */
- init_myfunc_errs(); /* Init myfunc messages */
- DBUG_RETURN(FALSE);
- }
- /* Read text from packed textfile in language-directory */
- /* If we can't read messagefile then it's panic- we can't continue */
- static bool read_texts(const char *file_name,const char ***point,
- uint error_messages)
- {
- register uint i;
- uint count,funktpos,length,textcount;
- File file;
- char name[FN_REFLEN];
- const char *buff;
- uchar head[32],*pos;
- CHARSET_INFO *cset; // For future
- DBUG_ENTER("read_texts");
- *point=0; // If something goes wrong
- LINT_INIT(buff);
- funktpos=0;
- if ((file=my_open(fn_format(name,file_name,language,"",4),
- O_RDONLY | O_SHARE | O_BINARY,
- MYF(0))) < 0)
- goto err; /* purecov: inspected */
- funktpos=1;
- if (my_read(file,(byte*) head,32,MYF(MY_NABP))) goto err;
- if (head[0] != (uchar) 254 || head[1] != (uchar) 254 ||
- head[2] != 2 || head[3] != 1)
- goto err; /* purecov: inspected */
- textcount=head[4];
- if (!head[30])
- {
- sql_print_error("Character set information not found in '%s'.
- Please install the latest version of this file.",name);
- goto err1;
- }
-
- /* TODO: Convert the character set to server system character set */
- if (!(cset= get_charset(head[30],MYF(MY_WME))))
- {
- sql_print_error("Character set #%d is not supported for messagefile '%s'",
- (int)head[30],name);
- goto err1;
- }
-
- length=uint2korr(head+6); count=uint2korr(head+8);
- if (count < error_messages)
- {
- sql_print_error("
- Error message file '%s' had only %d error messages,n
- but it should contain at least %d error messages.n
- Check that the above file is the right version for this program!",
- name,count,error_messages);
- VOID(my_close(file,MYF(MY_WME)));
- unireg_abort(1);
- }
- x_free((gptr) *point); /* Free old language */
- if (!(*point= (const char**)
- my_malloc((uint) (length+count*sizeof(char*)),MYF(0))))
- {
- funktpos=2; /* purecov: inspected */
- goto err; /* purecov: inspected */
- }
- buff= (char*) (*point + count);
- if (my_read(file,(byte*) buff,(uint) count*2,MYF(MY_NABP))) goto err;
- for (i=0, pos= (uchar*) buff ; i< count ; i++)
- {
- (*point)[i]=buff+uint2korr(pos);
- pos+=2;
- }
- if (my_read(file,(byte*) buff,(uint) length,MYF(MY_NABP))) goto err;
- for (i=1 ; i < textcount ; i++)
- {
- point[i]= *point +uint2korr(head+10+i+i);
- }
- VOID(my_close(file,MYF(0)));
- DBUG_RETURN(0);
- err:
- switch (funktpos) {
- case 2:
- buff="Not enough memory for messagefile '%s'";
- break;
- case 1:
- buff="Can't read from messagefile '%s'";
- break;
- default:
- buff="Can't find messagefile '%s'";
- break;
- }
- sql_print_error(buff,name);
- err1:
- if (file != FERR)
- VOID(my_close(file,MYF(MY_WME)));
- unireg_abort(1);
- DBUG_RETURN(1); // keep compiler happy
- } /* read_texts */
- /* Initiates error-messages used by my_func-library */
- static void init_myfunc_errs()
- {
- init_glob_errs(); /* Initiate english errors */
- if (!(specialflag & SPECIAL_ENGLISH))
- {
- globerrs[EE_FILENOTFOUND % ERRMOD] = ER(ER_FILE_NOT_FOUND);
- globerrs[EE_CANTCREATEFILE % ERRMOD]= ER(ER_CANT_CREATE_FILE);
- globerrs[EE_READ % ERRMOD] = ER(ER_ERROR_ON_READ);
- globerrs[EE_WRITE % ERRMOD] = ER(ER_ERROR_ON_WRITE);
- globerrs[EE_BADCLOSE % ERRMOD] = ER(ER_ERROR_ON_CLOSE);
- globerrs[EE_OUTOFMEMORY % ERRMOD] = ER(ER_OUTOFMEMORY);
- globerrs[EE_DELETE % ERRMOD] = ER(ER_CANT_DELETE_FILE);
- globerrs[EE_LINK % ERRMOD] = ER(ER_ERROR_ON_RENAME);
- globerrs[EE_EOFERR % ERRMOD] = ER(ER_UNEXPECTED_EOF);
- globerrs[EE_CANTLOCK % ERRMOD] = ER(ER_CANT_LOCK);
- globerrs[EE_DIR % ERRMOD] = ER(ER_CANT_READ_DIR);
- globerrs[EE_STAT % ERRMOD] = ER(ER_CANT_GET_STAT);
- globerrs[EE_GETWD % ERRMOD] = ER(ER_CANT_GET_WD);
- globerrs[EE_SETWD % ERRMOD] = ER(ER_CANT_SET_WD);
- globerrs[EE_DISK_FULL % ERRMOD] = ER(ER_DISK_FULL);
- }
- }