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MySQL 5.1: mysql/src/5.1-dbg/libmysql/my_error.c File Reference

mysql/src/5.1-dbg/libmysql/my_error.c File Reference

#include "mysys_priv.h"
#include "mysys_err.h"
#include <m_string.h>
#include <stdarg.h>
#include <m_ctype.h>

Include dependency graph for my_error.c:


Classes
struct	my_err_head
Functions
int	my_error (int nr, myf MyFlags,...)
int	my_printf_error (uint error, const char *format, myf MyFlags,...)
int	my_message (uint error, const char *str, register myf MyFlags)
int	my_error_register (const char **errmsgs, int first, int last)
const char **	my_error_unregister (int first, int last)
Variables
char NEAR	errbuff [NRERRBUFFS][ERRMSGSIZE]
static struct my_err_head	my_errmsgs_globerrs
static struct my_err_head *	my_errmsgs_list = &my_errmsgs_globerrs

Function Documentation

int my_error	(	int	nr,
		myf	MyFlags,
			...
	)

Definition at line 74 of file my_error.c.

References args, DBUG_ENTER, DBUG_PRINT, DBUG_RETURN, ERRMSGSIZE, errno, error_handler_hook, format(), globerrs, init_glob_errs(), my_err_head::meh_errmsgs, my_err_head::meh_first, my_err_head::meh_last, my_err_head::meh_next, my_errmsgs_globerrs, my_errmsgs_list, my_snprintf(), my_vsnprintf(), and NULL.

00075 {
00076   const char *format;
00077   struct my_err_head *meh_p;
00078   va_list args;
00079   char ebuff[ERRMSGSIZE + 20];
00080   DBUG_ENTER("my_error");
00081   DBUG_PRINT("my", ("nr: %d  MyFlags: %d  errno: %d", nr, MyFlags, errno));
00082 
00083   /* Search for the error messages array, which could contain the message. */
00084   for (meh_p= my_errmsgs_list; meh_p; meh_p= meh_p->meh_next)
00085     if (nr <= meh_p->meh_last)
00086       break;
00087 
00088 #ifdef SHARED_LIBRARY
00089   if ((meh_p == &my_errmsgs_globerrs) && ! globerrs[0])
00090     init_glob_errs();
00091 #endif
00092 
00093   /* get the error message string. Default, if NULL or empty string (""). */
00094   if (! (format= (meh_p && (nr >= meh_p->meh_first)) ?
00095          meh_p->meh_errmsgs[nr - meh_p->meh_first] : NULL) || ! *format)
00096     (void) my_snprintf (ebuff, sizeof(ebuff), "Unknown error %d", nr);
00097   else
00098   {
00099     va_start(args,MyFlags);
00100     (void) my_vsnprintf (ebuff, sizeof(ebuff), format, args);
00101     va_end(args);
00102   }
00103   DBUG_RETURN((*error_handler_hook)(nr, ebuff, MyFlags));
00104 }

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int my_error_register	(	const char **	errmsgs,
		int	first,
		int	last
	)

Definition at line 170 of file my_error.c.

References my_err_head::meh_errmsgs, my_err_head::meh_first, my_err_head::meh_last, my_err_head::meh_next, my_errmsgs_list, my_free, my_malloc(), MY_WME, and MYF.

00171 {
00172   struct my_err_head *meh_p;
00173   struct my_err_head **search_meh_pp;
00174 
00175   /* Allocate a new header structure. */
00176   if (! (meh_p= (struct my_err_head*) my_malloc(sizeof(struct my_err_head),
00177                                                 MYF(MY_WME))))
00178     return 1;
00179   meh_p->meh_errmsgs= errmsgs;
00180   meh_p->meh_first= first;
00181   meh_p->meh_last= last;
00182 
00183   /* Search for the right position in the list. */
00184   for (search_meh_pp= &my_errmsgs_list;
00185        *search_meh_pp;
00186        search_meh_pp= &(*search_meh_pp)->meh_next)
00187   {
00188     if ((*search_meh_pp)->meh_last > first)
00189       break;
00190   }
00191 
00192   /* Error numbers must be unique. No overlapping is allowed. */
00193   if (*search_meh_pp && ((*search_meh_pp)->meh_first <= last))
00194   {
00195     my_free((gptr)meh_p, MYF(0));
00196     return 1;
00197   }
00198 
00199   /* Insert header into the chain. */
00200   meh_p->meh_next= *search_meh_pp;
00201   *search_meh_pp= meh_p;
00202   return 0;
00203 }

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const char** my_error_unregister	(	int	first,
		int	last
	)

Definition at line 227 of file my_error.c.

References my_err_head::meh_errmsgs, my_err_head::meh_next, my_errmsgs_list, my_free, MYF, and NULL.

00228 {
00229   struct my_err_head    *meh_p;
00230   struct my_err_head    **search_meh_pp;
00231   const char            **errmsgs;
00232 
00233   /* Search for the registration in the list. */
00234   for (search_meh_pp= &my_errmsgs_list;
00235        *search_meh_pp;
00236        search_meh_pp= &(*search_meh_pp)->meh_next)
00237   {
00238     if (((*search_meh_pp)->meh_first == first) &&
00239         ((*search_meh_pp)->meh_last == last))
00240       break;
00241   }
00242   if (! *search_meh_pp)
00243     return NULL;
00244 
00245   /* Remove header from the chain. */
00246   meh_p= *search_meh_pp;
00247   *search_meh_pp= meh_p->meh_next;
00248 
00249   /* Save the return value and free the header. */
00250   errmsgs= meh_p->meh_errmsgs;
00251   my_free((gptr) meh_p, MYF(0));
00252   
00253   return errmsgs;
00254 }

int my_message	(	uint	error,
		const char *	str,
		register myf	MyFlags
	)

Definition at line 142 of file my_error.c.

References error_handler_hook.

00143 {
00144   return (*error_handler_hook)(error, str, MyFlags);
00145 }

int my_printf_error	(	uint	error,
		const char *	format,
		myf	MyFlags,
			...
	)

Definition at line 118 of file my_error.c.

References args, DBUG_ENTER, DBUG_PRINT, DBUG_RETURN, ERRMSGSIZE, errno, error_handler_hook, and my_vsnprintf().

Referenced by sys_var_thd_lc_time_names::check(), db_error(), DB_error(), db_error_with_table(), DBerror(), do_show_master_status(), drop_db(), dump_all_databases(), dump_selected_tables(), execute_commands(), Item_xml_str_func::fix_length_and_dec(), get_pidfile(), get_table_share_with_create(), mysql_init_character_set(), mysql_query_with_error_report(), MYSQLerror(), open_table_error(), prepare_create_field(), handler::print_keydup_error(), process_all_databases(), and sql_connect().

00119 {
00120   va_list args;
00121   char ebuff[ERRMSGSIZE+20];
00122   DBUG_ENTER("my_printf_error");
00123   DBUG_PRINT("my", ("nr: %d  MyFlags: %d  errno: %d  Format: %s",
00124                     error, MyFlags, errno, format));
00125 
00126   va_start(args,MyFlags);
00127   (void) my_vsnprintf (ebuff, sizeof(ebuff), format, args);
00128   va_end(args);
00129   DBUG_RETURN((*error_handler_hook)(error, ebuff, MyFlags));
00130 }