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

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

#include "mysql_priv.h"
#include "mysys_err.h"

Include dependency graph for derror.cc:

Go to the source code of this file.


Functions

static bool read_texts (const char *file_name, const char ***point, uint error_messages)
static void init_myfunc_errs (void)
bool init_errmessage (void)

Function Documentation

bool init_errmessage ( void   ) 

Definition at line 41 of file derror.cc.

References DBUG_ENTER, DBUG_RETURN, ER_ERROR_FIRST, ER_ERROR_LAST, errmesg, ERRMSG_FILE, FALSE, init_myfunc_errs(), my_error_register(), my_error_unregister(), read_texts(), TRUE, and x_free.

Referenced by init_common_variables().

00042 {
00043   const char **errmsgs;
00044   DBUG_ENTER("init_errmessage");
00045 
00046   /*
00047     Get a pointer to the old error messages pointer array.
00048     read_texts() tries to free it.
00049   */
00050   errmsgs= my_error_unregister(ER_ERROR_FIRST, ER_ERROR_LAST);
00051 
00052   /* Read messages from file. */
00053   if (read_texts(ERRMSG_FILE, &errmsgs, ER_ERROR_LAST - ER_ERROR_FIRST + 1))
00054     DBUG_RETURN(TRUE);
00055 
00056   /* Register messages for use with my_error(). */
00057   if (my_error_register(errmsgs, ER_ERROR_FIRST, ER_ERROR_LAST))
00058   {
00059     x_free((gptr) errmsgs);
00060     DBUG_RETURN(TRUE);
00061   }
00062 
00063   errmesg= errmsgs;                     /* Init global variabel */
00064   init_myfunc_errs();                   /* Init myfunc messages */
00065   DBUG_RETURN(FALSE);
00066 }

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static void init_myfunc_errs ( void   )  [static]

Definition at line 173 of file derror.cc.

References EE, EE_BADCLOSE, EE_CANTCREATEFILE, EE_CANTLOCK, EE_DELETE, EE_DIR, EE_DISK_FULL, EE_EOFERR, EE_FILENOTFOUND, EE_GETWD, EE_LINK, EE_OUTOFMEMORY, EE_READ, EE_SETWD, EE_STAT, EE_WRITE, ER, ER_CANT_CREATE_FILE, ER_CANT_DELETE_FILE, ER_CANT_GET_STAT, ER_CANT_GET_WD, ER_CANT_LOCK, ER_CANT_READ_DIR, ER_CANT_SET_WD, ER_DISK_FULL, ER_ERROR_ON_CLOSE, ER_ERROR_ON_READ, ER_ERROR_ON_RENAME, ER_ERROR_ON_WRITE, ER_FILE_NOT_FOUND, ER_OUTOFMEMORY, ER_UNEXPECTED_EOF, init_glob_errs(), SPECIAL_ENGLISH, and specialflag.

Referenced by init_errmessage().

00174 {
00175   init_glob_errs();                     /* Initiate english errors */
00176   if (!(specialflag & SPECIAL_ENGLISH))
00177   {
00178     EE(EE_FILENOTFOUND)   = ER(ER_FILE_NOT_FOUND);
00179     EE(EE_CANTCREATEFILE) = ER(ER_CANT_CREATE_FILE);
00180     EE(EE_READ)           = ER(ER_ERROR_ON_READ);
00181     EE(EE_WRITE)          = ER(ER_ERROR_ON_WRITE);
00182     EE(EE_BADCLOSE)       = ER(ER_ERROR_ON_CLOSE);
00183     EE(EE_OUTOFMEMORY)    = ER(ER_OUTOFMEMORY);
00184     EE(EE_DELETE)         = ER(ER_CANT_DELETE_FILE);
00185     EE(EE_LINK)           = ER(ER_ERROR_ON_RENAME);
00186     EE(EE_EOFERR)         = ER(ER_UNEXPECTED_EOF);
00187     EE(EE_CANTLOCK)       = ER(ER_CANT_LOCK);
00188     EE(EE_DIR)            = ER(ER_CANT_READ_DIR);
00189     EE(EE_STAT)           = ER(ER_CANT_GET_STAT);
00190     EE(EE_GETWD)          = ER(ER_CANT_GET_WD);
00191     EE(EE_SETWD)          = ER(ER_CANT_SET_WD);
00192     EE(EE_DISK_FULL)      = ER(ER_DISK_FULL);
00193   }
00194 }

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static bool read_texts ( const char *  file_name,
const char ***  point,
uint  error_messages 
) [static]

Definition at line 72 of file derror.cc.

References count, DBUG_ENTER, DBUG_RETURN, err, FERR, fn_format(), FN_REFLEN, get_charset(), language, LINT_INIT, my_close(), my_malloc(), MY_NABP, my_open(), my_read, MY_WME, MYF, name, O_BINARY, O_SHARE, pos(), sql_print_error(), uint2korr, unireg_abort(), VOID, and x_free.

Referenced by init_errmessage().

00074 {
00075   register uint i;
00076   uint count,funktpos,length,textcount;
00077   File file;
00078   char name[FN_REFLEN];
00079   const char *buff;
00080   uchar head[32],*pos;
00081   DBUG_ENTER("read_texts");
00082 
00083   *point=0;                                     // If something goes wrong
00084   LINT_INIT(buff);
00085   funktpos=0;
00086   if ((file=my_open(fn_format(name,file_name,language,"",4),
00087                     O_RDONLY | O_SHARE | O_BINARY,
00088                     MYF(0))) < 0)
00089     goto err; /* purecov: inspected */
00090 
00091   funktpos=1;
00092   if (my_read(file,(byte*) head,32,MYF(MY_NABP))) goto err;
00093   if (head[0] != (uchar) 254 || head[1] != (uchar) 254 ||
00094       head[2] != 2 || head[3] != 1)
00095     goto err; /* purecov: inspected */
00096   textcount=head[4];
00097 
00098   if (!head[30])
00099   {
00100     sql_print_error("Character set information not found in '%s'. \
00101 Please install the latest version of this file.",name);
00102     goto err1;
00103   }
00104   
00105   /* TODO: Convert the character set to server system character set */
00106   if (!get_charset(head[30],MYF(MY_WME)))
00107   {
00108     sql_print_error("Character set #%d is not supported for messagefile '%s'",
00109                     (int)head[30],name);
00110     goto err1;
00111   }
00112   
00113   length=uint2korr(head+6); count=uint2korr(head+8);
00114 
00115   if (count < error_messages)
00116   {
00117     sql_print_error("\
00118 Error message file '%s' had only %d error messages,\n\
00119 but it should contain at least %d error messages.\n\
00120 Check that the above file is the right version for this program!",
00121                     name,count,error_messages);
00122     VOID(my_close(file,MYF(MY_WME)));
00123     unireg_abort(1);
00124   }
00125 
00126   x_free((gptr) *point);                /* Free old language */
00127   if (!(*point= (const char**)
00128         my_malloc((uint) (length+count*sizeof(char*)),MYF(0))))
00129   {
00130     funktpos=2;                                 /* purecov: inspected */
00131     goto err;                                   /* purecov: inspected */
00132   }
00133   buff= (char*) (*point + count);
00134 
00135   if (my_read(file,(byte*) buff,(uint) count*2,MYF(MY_NABP))) goto err;
00136   for (i=0, pos= (uchar*) buff ; i< count ; i++)
00137   {
00138     (*point)[i]=buff+uint2korr(pos);
00139     pos+=2;
00140   }
00141   if (my_read(file,(byte*) buff,(uint) length,MYF(MY_NABP))) goto err;
00142 
00143   for (i=1 ; i < textcount ; i++)
00144   {
00145     point[i]= *point +uint2korr(head+10+i+i);
00146   }
00147   VOID(my_close(file,MYF(0)));
00148   DBUG_RETURN(0);
00149 
00150 err:
00151   switch (funktpos) {
00152   case 2:
00153     buff="Not enough memory for messagefile '%s'";
00154     break;
00155   case 1:
00156     buff="Can't read from messagefile '%s'";
00157     break;
00158   default:
00159     buff="Can't find messagefile '%s'";
00160     break;
00161   }
00162   sql_print_error(buff,name);
00163 err1:
00164   if (file != FERR)
00165     VOID(my_close(file,MYF(MY_WME)));
00166   unireg_abort(1);
00167   DBUG_RETURN(1);                                       // keep compiler happy
00168 } /* read_texts */

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