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log.cpp
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2000-11-18
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/* 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 */
/* logging of commands */
#include "mysql_priv.h"
#include "sql_acl.h"
#include "sql_repl.h"
#include <my_dir.h>
#include <stdarg.h>
#include <m_ctype.h> // For test_if_number
MYSQL_LOG mysql_log,mysql_update_log,mysql_slow_log,mysql_bin_log;
extern I_List<i_string> binlog_do_db, binlog_ignore_db;
static bool test_if_number(const char *str,
long *res, bool allow_wildcards);
/****************************************************************************
** Find a uniq filename for 'filename.#'.
** Set # to a number as low as possible
** returns != 0 if not possible to get uniq filename
****************************************************************************/
static int find_uniq_filename(char *name)
{
long number;
uint i,length;
char buff[FN_REFLEN];
struct st_my_dir *dir_info;
reg1 struct fileinfo *file_info;
ulong max_found=0;
DBUG_ENTER("find_uniq_filename");
length=dirname_part(buff,name);
char *start=name+length,*end=strend(start);
*end='.';
length= (uint) (end-start+1);
if (!(dir_info = my_dir(buff,MYF(MY_DONT_SORT))))
{ // This shouldn't happen
strmov(end,".1"); // use name+1
DBUG_RETURN(0);
}
file_info= dir_info->dir_entry;
for (i=dir_info->number_off_files ; i-- ; file_info++)
{
if (bcmp(file_info->name,start,length) == 0 &&
test_if_number(file_info->name+length, &number,0))
{
set_if_bigger(max_found,(ulong) number);
}
}
my_dirend(dir_info);
*end++='.';
sprintf(end,"%03ld",max_found+1);
DBUG_RETURN(0);
}
MYSQL_LOG::MYSQL_LOG(): last_time(0), query_start(0),index_file(-1),
name(0), log_type(LOG_CLOSED),write_error(0),
inited(0), opened(0), no_rotate(0)
{
/*
We don't want to intialize LOCK_Log here as the thread system may
not have been initailized yet. We do it instead at 'open'.
*/
index_file_name[0] = 0;
bzero((char*) &log_file,sizeof(log_file));
}
MYSQL_LOG::~MYSQL_LOG()
{
if (inited)
{
(void) pthread_mutex_destroy(&LOCK_log);
(void) pthread_mutex_destroy(&LOCK_index);
}
}
void MYSQL_LOG::set_index_file_name(const char* index_file_name)
{
if (index_file_name)
fn_format(this->index_file_name,index_file_name,mysql_data_home,"-index",
4);
else
this->index_file_name[0] = 0;
}
int MYSQL_LOG::generate_new_name(char *new_name, const char *log_name)
{
if (log_type == LOG_NORMAL)
fn_format(new_name,log_name,mysql_data_home,"",4);
else
{
fn_format(new_name,log_name,mysql_data_home,"",4);
if (!fn_ext(log_name)[0])
{
if (find_uniq_filename(new_name))
{
sql_print_error(ER(ER_NO_UNIQUE_LOGFILE), log_name);
return 1;
}
}
}
return 0;
}
void MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg,
const char *new_name)
{
MY_STAT tmp_stat;
char buff[512];
File file= -1;
bool do_magic;
if (!inited)
{
inited=1;
(void) pthread_mutex_init(&LOCK_log,NULL);
(void) pthread_mutex_init(&LOCK_index, NULL);
if (log_type_arg == LOG_BIN && *fn_ext(log_name))
no_rotate = 1;
}
log_type=log_type_arg;
if (!(name=my_strdup(log_name,MYF(MY_WME))))
goto err;
if (new_name)
strmov(log_file_name,new_name);
else if (generate_new_name(log_file_name, name))
goto err;
if (log_type == LOG_BIN && !index_file_name[0])
fn_format(index_file_name, name, mysql_data_home, ".index", 6);
db[0]=0;
do_magic = ((log_type == LOG_BIN) && !my_stat(log_file_name,
&tmp_stat, MYF(0)));
if ((file=my_open(log_file_name,O_CREAT | O_APPEND | O_WRONLY | O_BINARY,
MYF(MY_WME | ME_WAITTANG))) < 0 ||
init_io_cache(&log_file, file, IO_SIZE, WRITE_CACHE,
my_tell(file,MYF(MY_WME)), 0, MYF(MY_WME | MY_NABP)))
goto err;
if (log_type == LOG_NORMAL)
{
char *end;
#ifdef __NT__
sprintf(buff, "%s, Version: %s, started with:\nTCP Port: %d, Named Pipe: %s\n", my_progname, server_version, mysql_port, mysql_unix_port);
#else
sprintf(buff, "%s, Version: %s, started with:\nTcp port: %d Unix socket: %s\n", my_progname,server_version,mysql_port,mysql_unix_port);
#endif
end=strmov(strend(buff),"Time Id Command Argument\n");
if (my_b_write(&log_file, (byte*) buff,(uint) (end-buff)) ||
flush_io_cache(&log_file))
goto err;
}
else if (log_type == LOG_NEW)
{
time_t skr=time(NULL);
struct tm tm_tmp;
localtime_r(&skr,&tm_tmp);
sprintf(buff,"# %s, Version: %s at %02d%02d%02d %2d:%02d:%02d\n",
my_progname,server_version,
tm_tmp.tm_year % 100,
tm_tmp.tm_mon+1,
tm_tmp.tm_mday,
tm_tmp.tm_hour,
tm_tmp.tm_min,
tm_tmp.tm_sec);
if (my_b_write(&log_file, (byte*) buff,(uint) strlen(buff)) ||
flush_io_cache(&log_file))
goto err;
}
else if (log_type == LOG_BIN)
{
/*
Explanation of the boolean black magic:
if we are supposed to write magic number try write
clean up if failed
then if index_file has not been previously opened, try to open it
clean up if failed
*/
if ((do_magic && my_b_write(&log_file, (byte*) BINLOG_MAGIC, 4)) ||
(index_file < 0 &&
(index_file = my_open(index_file_name,
O_APPEND | O_BINARY | O_RDWR | O_CREAT,
MYF(MY_WME))) < 0))
goto err;
Start_log_event s;
bool error;
s.write(&log_file);
flush_io_cache(&log_file);
pthread_mutex_lock(&LOCK_index);
error=(my_write(index_file, (byte*) log_file_name, strlen(log_file_name),
MYF(MY_NABP | MY_WME)) ||
my_write(index_file, (byte*) "\n", 1, MYF(MY_NABP | MY_WME)));
pthread_mutex_unlock(&LOCK_index);
if (error)
{
my_close(index_file,MYF(0));
index_file= -1;
goto err;
}
}
return;
err:
sql_print_error("Could not use %s for logging (error %d)", log_name,errno);
if (file >= 0)
my_close(file,MYF(0));
end_io_cache(&log_file);
x_free(name); name=0;
log_type=LOG_CLOSED;
return;
}
int MYSQL_LOG::get_current_log(LOG_INFO* linfo)
{
pthread_mutex_lock(&LOCK_log);
strmake(linfo->log_file_name, log_file_name, sizeof(linfo->log_file_name)-1);
linfo->pos = my_b_tell(&log_file);
pthread_mutex_unlock(&LOCK_log);
return 0;
}
// if log_name is "" we stop at the first entry
int MYSQL_LOG::find_first_log(LOG_INFO* linfo, const char* log_name)
{
if (index_file < 0)
return LOG_INFO_INVALID;
int error = 0;
char* fname = linfo->log_file_name;
uint log_name_len = (uint) strlen(log_name);
IO_CACHE io_cache;
// mutex needed because we need to make sure the file pointer does not move
// from under our feet
pthread_mutex_lock(&LOCK_index);
if (init_io_cache(&io_cache, index_file, IO_SIZE, READ_CACHE, (my_off_t) 0,
0, MYF(MY_WME)))
{
error = LOG_INFO_SEEK;
goto err;
}
for(;;)
{
uint length;
if (!(length=my_b_gets(&io_cache, fname, FN_REFLEN)))
{
error = !io_cache.error ? LOG_INFO_EOF : LOG_INFO_IO;
goto err;
}
// if the log entry matches, empty string matching anything
if (!log_name_len ||
(log_name_len == length-1 && fname[log_name_len] == '\n' &&
!memcmp(fname, log_name, log_name_len)))
{
fname[length-1]=0; // remove last \n
linfo->index_file_offset = my_b_tell(&io_cache);
break;
}
}
error = 0;
err:
pthread_mutex_unlock(&LOCK_index);
end_io_cache(&io_cache);
return error;
}
int MYSQL_LOG::find_next_log(LOG_INFO* linfo)
{
// mutex needed because we need to make sure the file pointer does not move
// from under our feet
if (index_file < 0) return LOG_INFO_INVALID;
int error = 0;
char* fname = linfo->log_file_name;
IO_CACHE io_cache;
uint length;
pthread_mutex_lock(&LOCK_index);
if (init_io_cache(&io_cache, index_file, IO_SIZE,
READ_CACHE, (my_off_t) linfo->index_file_offset, 0,
MYF(MY_WME)))
{
error = LOG_INFO_SEEK;
goto err;
}
if (!(length=my_b_gets(&io_cache, fname, FN_REFLEN)))
{
error = !io_cache.error ? LOG_INFO_EOF : LOG_INFO_IO;
goto err;
}
fname[length-1]=0; // kill /n
linfo->index_file_offset = my_b_tell(&io_cache);
error = 0;
err:
pthread_mutex_unlock(&LOCK_index);
end_io_cache(&io_cache);
return error;
}
int MYSQL_LOG::purge_logs(THD* thd, const char* to_log)
{
if (index_file < 0) return LOG_INFO_INVALID;
if (no_rotate) return LOG_INFO_PURGE_NO_ROTATE;
int error;
char fname[FN_REFLEN];
char *p;
uint fname_len, i;
bool logs_to_purge_inited = 0, logs_to_keep_inited = 0, found_log = 0;
DYNAMIC_ARRAY logs_to_purge, logs_to_keep;
my_off_t purge_offset ;
LINT_INIT(purge_offset);
IO_CACHE io_cache;
pthread_mutex_lock(&LOCK_index);
if (init_io_cache(&io_cache,index_file, IO_SIZE*2, READ_CACHE, (my_off_t) 0,
0, MYF(MY_WME)))
{
error = LOG_INFO_MEM;
goto err;
}
if (init_dynamic_array(&logs_to_purge, sizeof(char*), 1024, 1024))
{
error = LOG_INFO_MEM;
goto err;
}
logs_to_purge_inited = 1;
if (init_dynamic_array(&logs_to_keep, sizeof(char*), 1024, 1024))
{
error = LOG_INFO_MEM;
goto err;
}
logs_to_keep_inited = 1;
for(;;)
{
my_off_t init_purge_offset= my_b_tell(&io_cache);
if (!(fname_len=my_b_gets(&io_cache, fname, FN_REFLEN)))
{
if(!io_cache.error)
break;
error = LOG_INFO_IO;
goto err;
}
fname[--fname_len]=0; // kill \n
if(!memcmp(fname, to_log, fname_len + 1 ))
{
found_log = 1;
purge_offset = init_purge_offset;
}
// if one of the logs before the target is in use
if(!found_log && log_in_use(fname))
{
error = LOG_INFO_IN_USE;
goto err;
}
if (!(p = sql_memdup(fname, fname_len+1)) ||
insert_dynamic(found_log ? &logs_to_keep : &logs_to_purge,
(gptr) &p))
{
error = LOG_INFO_MEM;
goto err;
}
}
end_io_cache(&io_cache);
if(!found_log)
{
error = LOG_INFO_EOF;
goto err;
}
for(i = 0; i < logs_to_purge.elements; i++)
{
char* l;
get_dynamic(&logs_to_purge, (gptr)&l, i);
if (my_delete(l, MYF(MY_WME)))
sql_print_error("Error deleting %s during purge", l);
}
// if we get killed -9 here, the sysadmin would have to do a small
// vi job on the log index file after restart - otherwise, this should
// be safe
#ifdef HAVE_FTRUNCATE
if (ftruncate(index_file,0))
{
sql_print_error("Could not truncate the binlog index file \
during log purge for write");
error = LOG_INFO_FATAL;
goto err;
}
my_seek(index_file, 0, MY_SEEK_CUR,MYF(MY_WME));
#else
my_close(index_file, MYF(MY_WME));
my_delete(index_file_name, MYF(MY_WME));
if(!(index_file = my_open(index_file_name,
O_CREAT | O_BINARY | O_RDWR | O_APPEND,
MYF(MY_WME))))
{
sql_print_error("Could not re-open the binlog index file \
during log purge for write");
error = LOG_INFO_FATAL;
goto err;
}
#endif
for(i = 0; i < logs_to_keep.elements; i++)
{
char* l;
get_dynamic(&logs_to_keep, (gptr)&l, i);
if (my_write(index_file, (byte*) l, strlen(l), MYF(MY_WME|MY_NABP)) ||
my_write(index_file, (byte*) "\n", 1, MYF(MY_WME|MY_NABP)))
{
error = LOG_INFO_FATAL;
goto err;
}
}
// now update offsets
adjust_linfo_offsets(purge_offset);
error = 0;
err:
pthread_mutex_unlock(&LOCK_index);
if(logs_to_purge_inited)
delete_dynamic(&logs_to_purge);
if(logs_to_keep_inited)
delete_dynamic(&logs_to_keep);
end_io_cache(&io_cache);
return error;
}
// we assume that buf has at least FN_REFLEN bytes alloced
void MYSQL_LOG::make_log_name(char* buf, const char* log_ident)
{
buf[0] = 0; // In case of error
if (inited)
{
int dir_len = dirname_length(log_file_name);
int ident_len = (uint) strlen(log_ident);
if (dir_len + ident_len + 1 > FN_REFLEN)
return; // protection agains malicious buffer overflow
memcpy(buf, log_file_name, dir_len);
// copy filename + end null
memcpy(buf + dir_len, log_ident, ident_len + 1);
}
}
bool MYSQL_LOG::is_active(const char* log_file_name)
{
return inited && !strcmp(log_file_name, this->log_file_name);
}
void MYSQL_LOG::new_file()
{
// only rotate open logs that are marked non-rotatable
// (binlog with constant name are non-rotatable)
if (is_open() && ! no_rotate)
{
char new_name[FN_REFLEN], *old_name=name;
VOID(pthread_mutex_lock(&LOCK_log));
if (generate_new_name(new_name, name))
{
VOID(pthread_mutex_unlock(&LOCK_log));
return; // Something went wrong
}
if (log_type == LOG_BIN)
{
/*
We log the whole file name for log file as the user may decide
to change base names at some point.
*/
Rotate_log_event r(new_name+dirname_length(new_name));
r.write(&log_file);
VOID(pthread_cond_broadcast(&COND_binlog_update));
}
name=0;
close();
open(old_name, log_type, new_name);
my_free(old_name,MYF(0));
last_time=query_start=0;
write_error=0;
VOID(pthread_mutex_unlock(&LOCK_log));
}
}
void MYSQL_LOG::write(THD *thd,enum enum_server_command command,
const char *format,...)
{
if (is_open() && (what_to_log & (1L << (uint) command)))
{
va_list args;
va_start(args,format);
char buff[32];
VOID(pthread_mutex_lock(&LOCK_log));
/* Test if someone closed after the is_open test */
if (log_type != LOG_CLOSED)
{
time_t skr;
ulong id;
int error=0;
if (thd)
{ // Normal thread
if ((thd->options & OPTION_LOG_OFF) &&
(thd->master_access & PROCESS_ACL))
{
VOID(pthread_mutex_unlock(&LOCK_log));
return; // No logging
}
id=thd->thread_id;
if (thd->user_time || !(skr=thd->query_start()))
skr=time(NULL); // Connected
}
else
{ // Log from connect handler
skr=time(NULL);
id=0;
}
if (skr != last_time)
{
last_time=skr;
struct tm tm_tmp;
struct tm *start;
localtime_r(&skr,&tm_tmp);
start=&tm_tmp;
/* Note that my_b_write() assumes it knows the length for this */
sprintf(buff,"%02d%02d%02d %2d:%02d:%02d\t",
start->tm_year % 100,
start->tm_mon+1,
start->tm_mday,
start->tm_hour,
start->tm_min,
start->tm_sec);
if (my_b_write(&log_file, (byte*) buff,16))
error=errno;
}
else if (my_b_write(&log_file, (byte*) "\t\t",2) < 0)
error=errno;
sprintf(buff,"%7ld %-10.10s", id,command_name[(uint) command]);
if (my_b_write(&log_file, (byte*) buff,strlen(buff)))
error=errno;
if (format)
{
if (my_b_write(&log_file, (byte*) " ",1) ||
my_b_vprintf(&log_file,format,args) == (uint) -1)
error=errno;
}
if (my_b_write(&log_file, (byte*) "\n",1) ||
flush_io_cache(&log_file))
error=errno;
if (error && ! write_error)
{
write_error=1;
sql_print_error(ER(ER_ERROR_ON_WRITE),name,error);
}
}
va_end(args);
VOID(pthread_mutex_unlock(&LOCK_log));
}
}
/* Write to binary log in a format to be used for replication */
void MYSQL_LOG::write(Query_log_event* event_info)
{
if (is_open())
{
VOID(pthread_mutex_lock(&LOCK_log));
if (is_open())
{
THD *thd=event_info->thd;
if ((!(thd->options & OPTION_BIN_LOG) &&
thd->master_access & PROCESS_ACL) ||
!db_ok(event_info->db, binlog_do_db, binlog_ignore_db))
{
VOID(pthread_mutex_unlock(&LOCK_log));
return;
}
if (thd->last_insert_id_used)
{
Intvar_log_event e((uchar)LAST_INSERT_ID_EVENT, thd->last_insert_id);
if (e.write(&log_file))
{
sql_print_error(ER(ER_ERROR_ON_WRITE), name, errno);
goto err;
}
}
if (thd->insert_id_used)
{
Intvar_log_event e((uchar)INSERT_ID_EVENT, thd->last_insert_id);
if (e.write(&log_file))
{
sql_print_error(ER(ER_ERROR_ON_WRITE), name, errno);
goto err;
}
}
if (thd->convert_set)
{
char buf[1024] = "SET CHARACTER SET ";
char* p = strend(buf);
p = strmov(p, thd->convert_set->name);
int save_query_length = thd->query_length;
// just in case somebody wants it later
thd->query_length = (uint)(p - buf);
Query_log_event e(thd, buf);
if (e.write(&log_file))
{
sql_print_error(ER(ER_ERROR_ON_WRITE), name, errno);
goto err;
}
thd->query_length = save_query_length; // clean up
}
if (event_info->write(&log_file) || flush_io_cache(&log_file))
{
sql_print_error(ER(ER_ERROR_ON_WRITE), name, errno);
}
err:
VOID(pthread_cond_broadcast(&COND_binlog_update));
}
VOID(pthread_mutex_unlock(&LOCK_log));
}
}
void MYSQL_LOG::write(Load_log_event* event_info)
{
if (is_open())
{
VOID(pthread_mutex_lock(&LOCK_log));
if (is_open())
{
THD *thd=event_info->thd;
if ((thd->options & OPTION_BIN_LOG) ||
!(thd->master_access & PROCESS_ACL))
{
if (event_info->write(&log_file) || flush_io_cache(&log_file))
sql_print_error(ER(ER_ERROR_ON_WRITE), name, errno);
VOID(pthread_cond_broadcast(&COND_binlog_update));
}
}
VOID(pthread_mutex_unlock(&LOCK_log));
}
}
/* Write update log in a format suitable for incremental backup */
void MYSQL_LOG::write(THD *thd,const char *query, uint query_length,
time_t query_start)
{
if (is_open())
{
time_t current_time;
VOID(pthread_mutex_lock(&LOCK_log));
if (is_open())
{ // Safety agains reopen
int error=0;
char buff[80],*end;
end=buff;
if (!(thd->options & OPTION_UPDATE_LOG) &&
(thd->master_access & PROCESS_ACL))
{
VOID(pthread_mutex_unlock(&LOCK_log));
return;
}
if ((specialflag & SPECIAL_LONG_LOG_FORMAT) || query_start)
{
current_time=time(NULL);
if (current_time != last_time)
{
last_time=current_time;
struct tm tm_tmp;
struct tm *start;
localtime_r(¤t_time,&tm_tmp);
start=&tm_tmp;
/* Note that my_b_write() assumes it knows the length for this */
sprintf(buff,"# Time: %02d%02d%02d %2d:%02d:%02d\n",
start->tm_year % 100,
start->tm_mon+1,
start->tm_mday,
start->tm_hour,
start->tm_min,
start->tm_sec);
if (my_b_write(&log_file, (byte*) buff,24))
error=errno;
}
if (my_b_printf(&log_file, "# User@Host: %s[%s] @ %s [%s]\n",
thd->priv_user,
thd->user,
thd->host ? thd->host : "",
thd->ip ? thd->ip : "") == (uint) -1)
error=errno;
}
if (query_start)
{
/* For slow query log */
if (my_b_printf(&log_file,
"# Time: %lu Lock_time: %lu Rows_sent: %lu\n",
(ulong) (current_time - query_start),
(ulong) (thd->time_after_lock - query_start),
(ulong) thd->sent_row_count) == (uint) -1)
error=errno;
}
if (thd->db && strcmp(thd->db,db))
{ // Database changed
if (my_b_printf(&log_file,"use %s;\n",thd->db) == (uint) -1)
error=errno;
strmov(db,thd->db);
}
if (thd->last_insert_id_used)
{
end=strmov(end,",last_insert_id=");
end=longlong10_to_str((longlong) thd->current_insert_id,end,-10);
}
// Save value if we do an insert.
if (thd->insert_id_used)
{
if (specialflag & SPECIAL_LONG_LOG_FORMAT)
{
end=strmov(end,",insert_id=");
end=longlong10_to_str((longlong) thd->last_insert_id,end,-10);
}
}
if (thd->query_start_used)
{
if (query_start != thd->query_start())
{
query_start=thd->query_start();
end=strmov(end,",timestamp=");
end=int10_to_str((long) query_start,end,10);
}
}
if (end != buff)
{
*end++=';';
*end++='\n';
*end=0;
if (my_b_write(&log_file, (byte*) "SET ",4) ||
my_b_write(&log_file, (byte*) buff+1,(uint) (end-buff)-1))
error=errno;
}
if (!query)
{
query="#adminstrator command";
query_length=21;
}
if (my_b_write(&log_file, (byte*) query,query_length) ||
my_b_write(&log_file, (byte*) ";\n",2) ||
flush_io_cache(&log_file))
error=errno;
if (error && ! write_error)
{
write_error=1;
sql_print_error(ER(ER_ERROR_ON_WRITE),name,error);
}
}
VOID(pthread_mutex_unlock(&LOCK_log));
}
}
#ifdef TO_BE_REMOVED
void MYSQL_LOG::flush()
{
if (is_open())
if (flush_io_cache(log_file) && ! write_error)
{
write_error=1;
sql_print_error(ER(ER_ERROR_ON_WRITE),name,errno);
}
}
#endif
void MYSQL_LOG::close(bool exiting)
{ // One can't set log_type here!
if (is_open())
{
File file=log_file.file;
if (log_type == LOG_BIN)
{
Stop_log_event s;
s.write(&log_file);
VOID(pthread_cond_broadcast(&COND_binlog_update));
}
end_io_cache(&log_file);
if (my_close(file,MYF(0)) < 0 && ! write_error)
{
write_error=1;
sql_print_error(ER(ER_ERROR_ON_WRITE),name,errno);
}
}
if (exiting && index_file >= 0)
{
if (my_close(index_file,MYF(0)) < 0 && ! write_error)
{
write_error=1;
sql_print_error(ER(ER_ERROR_ON_WRITE),name,errno);
}
index_file=-1;
log_type=LOG_CLOSED;
}
safeFree(name);
}
/* Check if a string is a valid number */
/* Output: TRUE -> number */
static bool test_if_number(register const char *str,
long *res, bool allow_wildcards)
{
reg2 int flag;
const char *start;
DBUG_ENTER("test_if_number");
flag=0; start=str;
while (*str++ == ' ') ;
if (*--str == '-' || *str == '+')
str++;
while (isdigit(*str) || (allow_wildcards &&
(*str == wild_many || *str == wild_one)))
{
flag=1;
str++;
}
if (*str == '.')
{
for (str++ ;
isdigit(*str) ||
(allow_wildcards && (*str == wild_many || *str == wild_one)) ;
str++, flag=1) ;
}
if (*str != 0 || flag == 0)
DBUG_RETURN(0);
if (res)
*res=atol(start);
DBUG_RETURN(1); /* Number ok */
} /* test_if_number */
void sql_print_error(const char *format,...)
{
va_list args;
time_t skr;
struct tm tm_tmp;
struct tm *start;
va_start(args,format);
DBUG_ENTER("sql_print_error");
VOID(pthread_mutex_lock(&LOCK_error_log));
#ifndef DBUG_OFF
{
char buff[1024];
vsprintf(buff,format,args);
DBUG_PRINT("error",("%s",buff));
}
#endif
skr=time(NULL);
localtime_r(&skr,&tm_tmp);
start=&tm_tmp;
fprintf(stderr,"%02d%02d%02d %2d:%02d:%02d ",
start->tm_year % 100,
start->tm_mon+1,
start->tm_mday,
start->tm_hour,
start->tm_min,
start->tm_sec);
(void) vfprintf(stderr,format,args);
(void) fputc('\n',stderr);
fflush(stderr);
va_end(args);
VOID(pthread_mutex_unlock(&LOCK_error_log));
DBUG_VOID_RETURN;
}
void sql_perror(const char *message)
{
#ifdef HAVE_STRERROR
sql_print_error("%s: %s",message, strerror(errno));
#else
perror(message);
#endif
}