/*************************************************************************
Reads log group home directories from a character string given in
the .cnf file. */
ibool
srv_parse_log_group_home_dirs(
/*==========================*/
/* out: TRUE if ok, FALSE if parsing
error */
char* str, /* in: character string */
char*** log_group_home_dirs) /* out, own: log group home dirs */
{
char* input_str;
char* path;
ulint i = 0;
input_str = str;
/* First calculate the number of directories and check syntax:
path;path;... */
while (*str != '\0') {
path = str;
while (*str != ';' && *str != '\0') {
str++;
}
i++;
if (*str == ';') {
str++;
} else if (*str != '\0') {
return(FALSE);
}
}
if (i != 1) {
/* If innodb_log_group_home_dir was defined it must
contain exactly one path definition under current MySQL */
return(FALSE);
}
*log_group_home_dirs = (char**) ut_malloc(i * sizeof(void*));
/* Then store the actual values to our array */
str = input_str;
i = 0;
while (*str != '\0') {
path = str;
while (*str != ';' && *str != '\0') {
str++;
}
if (*str == ';') {
*str = '\0';
str++;
}
(*log_group_home_dirs)[i] = path;
i++;
}
return(TRUE);
}
Reads log group home directories from a character string given in
the .cnf file. */
ibool
srv_parse_log_group_home_dirs(
/*==========================*/
/* out: TRUE if ok, FALSE if parsing
error */
char* str, /* in: character string */
char*** log_group_home_dirs) /* out, own: log group home dirs */
{
char* input_str;
char* path;
ulint i = 0;
input_str = str;
/* First calculate the number of directories and check syntax:
path;path;... */
while (*str != '\0') {
path = str;
while (*str != ';' && *str != '\0') {
str++;
}
i++;
if (*str == ';') {
str++;
} else if (*str != '\0') {
return(FALSE);
}
}
if (i != 1) {
/* If innodb_log_group_home_dir was defined it must
contain exactly one path definition under current MySQL */
return(FALSE);
}
*log_group_home_dirs = (char**) ut_malloc(i * sizeof(void*));
/* Then store the actual values to our array */
str = input_str;
i = 0;
while (*str != '\0') {
path = str;
while (*str != ';' && *str != '\0') {
str++;
}
if (*str == ';') {
*str = '\0';
str++;
}
(*log_group_home_dirs)[i] = path;
i++;
}
return(TRUE);
}
本文介绍如何从MySQL配置文件中读取日志组主目录,并解析字符字符串,确保仅包含一个路径定义。
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