Skip navigation links

Learn about new MySQL releases, technical articles, events and more.

Subscribe Now »
MySQL 5.1: mysql/src/5.1-dbg/sql/log_event.cc File Reference

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

#include "mysql_priv.h"
#include "slave.h"
#include "rpl_filter.h"
#include <my_dir.h>
#include <base64.h>
#include <my_bitmap.h>

Include dependency graph for log_event.cc:

Go to the source code of this file.


Defines

#define log_cs   &my_charset_latin1
#define UNLOCK_MUTEX   if (log_lock) pthread_mutex_unlock(log_lock);
#define LOCK_MUTEX   if (log_lock) pthread_mutex_lock(log_lock);

Functions

static bool write_str (IO_CACHE *file, char *str, uint length)
static int read_str (char **buf, char *buf_end, char **str, uint8 *len)
char * str_to_hex (char *to, const char *from, uint len)
int append_query_string (CHARSET_INFO *csinfo, String const *from, String *to)
static void write_str_with_code_and_len (char **dst, const char *src, int len, uint code)
static void get_str_len_and_pointer (const char **dst, const char **src, uint *len)
static void copy_str_and_move (char **dst, const char **src, uint len)

Define Documentation

#define LOCK_MUTEX   if (log_lock) pthread_mutex_lock(log_lock);

Definition at line 717 of file log_event.cc.

#define log_cs   &my_charset_latin1

Definition at line 32 of file log_event.cc.

#define UNLOCK_MUTEX   if (log_lock) pthread_mutex_unlock(log_lock);

Definition at line 716 of file log_event.cc.

Function Documentation

int append_query_string ( CHARSET_INFO *  csinfo,
String const *  from,
String *  to 
)

Definition at line 266 of file log_event.cc.

References escape_string_for_mysql(), charset_info_st::escape_with_backslash_is_dangerous, from, str_to_hex(), and to.

00268 {
00269   char *beg, *ptr;
00270   uint32 const orig_len= to->length();
00271   if (to->reserve(orig_len + from->length()*2+3))
00272     return 1;
00273 
00274   beg= to->c_ptr_quick() + to->length();
00275   ptr= beg;
00276   if (csinfo->escape_with_backslash_is_dangerous)
00277     ptr= str_to_hex(ptr, from->ptr(), from->length());
00278   else
00279   {
00280     *ptr++= '\'';
00281     ptr+= escape_string_for_mysql(from->charset(), ptr, 0,
00282                                   from->ptr(), from->length());
00283     *ptr++='\'';
00284   }
00285   to->length(orig_len + ptr - beg);
00286   return 0;
00287 }

Here is the call graph for this function:

static void copy_str_and_move ( char **  dst,
const char **  src,
uint  len 
) [static]

Definition at line 1373 of file log_event.cc.

References memcpy.

01374 {
01375   memcpy(*dst, *src, len);
01376   *src= *dst;
01377   (*dst)+= len;
01378   *(*dst)++= 0;
01379 }

static void get_str_len_and_pointer ( const char **  dst,
const char **  src,
uint *  len 
) [static]

Definition at line 1365 of file log_event.cc.

01366 {
01367   if ((*len= **src))
01368     *dst= *src + 1;                          // Will be copied later
01369   (*src)+= *len+1;
01370 }

static int read_str ( char **  buf,
char *  buf_end,
char **  str,
uint8 *  len 
) [inline, static]

Definition at line 230 of file log_event.cc.

00232 {
00233   if (*buf + ((uint) (uchar) **buf) >= buf_end)
00234     return 1;
00235   *len= (uint8) **buf;
00236   *str= (*buf)+1;
00237   (*buf)+= (uint) *len+1;
00238   return 0;
00239 }

char* str_to_hex ( char *  to,
const char *  from,
uint  len 
)

Definition at line 246 of file log_event.cc.

References octet2hex(), and strmov().

00247 {
00248   if (len)
00249   {
00250     *to++= '0';
00251     *to++= 'x';
00252     to= octet2hex(to, from, len);
00253   }
00254   else
00255     to= strmov(to, "\"\"");
00256   return to;                               // pointer to end 0 of 'to'
00257 }

Here is the call graph for this function:

static bool write_str ( IO_CACHE *  file,
char *  str,
uint  length 
) [static]

Definition at line 217 of file log_event.cc.

References my_b_safe_write().

00218 {
00219   byte tmp[1];
00220   tmp[0]= (byte) length;
00221   return (my_b_safe_write(file, tmp, sizeof(tmp)) ||
00222           my_b_safe_write(file, (byte*) str, length));
00223 }

Here is the call graph for this function:

static void write_str_with_code_and_len ( char **  dst,
const char *  src,
int  len,
uint  code 
) [static]

Definition at line 1121 of file log_event.cc.

References bmove(), and DBUG_ASSERT.

01123 {
01124   DBUG_ASSERT(src);
01125   *((*dst)++)= code;
01126   *((*dst)++)= (uchar) len;
01127   bmove(*dst, src, len);
01128   (*dst)+= len;
01129 }

Here is the call graph for this function:

Generated on Sat Sep 9 00:51:43 2006 for MySQL 5.1 by  doxygen 1.4.7