uint my_get_large_page_size_int(void)
{
MYSQL_FILE *f;
uint size = 0;
char buf[256];
DBUG_ENTER("my_get_large_page_size_int");
if (!(f= mysql_file_fopen(key_file_proc_meminfo, "/proc/meminfo",
O_RDONLY, MYF(MY_WME))))
goto finish;
while (mysql_file_fgets(buf, sizeof(buf), f))
if (sscanf(buf, "Hugepagesize: %u kB", &size))
break;
mysql_file_fclose(f, MYF(MY_WME));
finish:
DBUG_RETURN(size * 1024);
}
static int search_default_file_with_ext(Process_option_func opt_handler,
void *handler_ctx,
const char *dir,
const char *ext,
const char *config_file,
int recursion_level)
{
char name[FN_REFLEN + 10], buff[4096], curr_gr[4096], *ptr, *end, **tmp_ext;
char *value, option[4096+2], tmp[FN_REFLEN];
static const char includedir_keyword[]= "includedir";
static const char include_keyword[]= "include";
const int max_recursion_level= 10;
MYSQL_FILE *fp;
uint line=0;
my_bool found_group=0;
uint i;
MY_DIR *search_dir;
FILEINFO *search_file;
if ((dir ? strlen(dir) : 0 )+strlen(config_file) >= FN_REFLEN-3)
return 0; /* Ignore wrong paths */
if (dir)
{
end=convert_dirname(name, dir, NullS);
if (dir[0] == FN_HOMELIB) /* Add . to filenames in home */
*end++='.';
strxmov(end,config_file,ext,NullS);
}
else
{
strmov(name,config_file);
}
fn_format(name,name,"","",4);
#if !defined(__WIN__)
{
MY_STAT stat_info;
if (!my_stat(name,&stat_info,MYF(0)))
return 1;
/*
Ignore world-writable regular files.
This is mainly done to protect us to not read a file created by
the mysqld server, but the check is still valid in most context.
*/
if ((stat_info.st_mode & S_IWOTH) &&
(stat_info.st_mode & S_IFMT) == S_IFREG)
{
fprintf(stderr, "Warning: World-writable config file '%s' is ignored\n",
name);
return 0;
}
}
#endif
if (!(fp= mysql_file_fopen(key_file_cnf, name, O_RDONLY, MYF(0))))
return 1; /* Ignore wrong files */
while (mysql_file_fgets(buff, sizeof(buff) - 1, fp))
{
line++;
/* Ignore comment and empty lines */
for (ptr= buff; my_isspace(&my_charset_latin1, *ptr); ptr++)
{}
if (*ptr == '#' || *ptr == ';' || !*ptr)
continue;
/* Configuration File Directives */
if (*ptr == '!')
{
if (recursion_level >= max_recursion_level)
{
for (end= ptr + strlen(ptr) - 1;
my_isspace(&my_charset_latin1, *(end - 1));
end--)
{}
end[0]= 0;
fprintf(stderr,
"Warning: skipping '%s' directive as maximum include"
"recursion level was reached in file %s at line %d\n",
ptr, name, line);
continue;
}
/* skip over `!' and following whitespace */
for (++ptr; my_isspace(&my_charset_latin1, ptr[0]); ptr++)
{}
if ((!strncmp(ptr, includedir_keyword,
sizeof(includedir_keyword) - 1)) &&
my_isspace(&my_charset_latin1, ptr[sizeof(includedir_keyword) - 1]))
{
if (!(ptr= get_argument(includedir_keyword,
sizeof(includedir_keyword),
ptr, name, line)))
goto err;
if (!(search_dir= my_dir(ptr, MYF(MY_WME))))
goto err;
for (i= 0; i < (uint) search_dir->number_of_files; i++)
{
search_file= search_dir->dir_entry + i;
ext= fn_ext(search_file->name);
/* check extension */
for (tmp_ext= (char**) f_extensions; *tmp_ext; tmp_ext++)
{
if (!strcmp(ext, *tmp_ext))
break;
}
if (*tmp_ext)
{
fn_format(tmp, search_file->name, ptr, "",
MY_UNPACK_FILENAME | MY_SAFE_PATH);
search_default_file_with_ext(opt_handler, handler_ctx, "", "", tmp,
recursion_level + 1);
}
}
my_dirend(search_dir);
}
else if ((!strncmp(ptr, include_keyword, sizeof(include_keyword) - 1)) &&
my_isspace(&my_charset_latin1, ptr[sizeof(include_keyword)-1]))
{
if (!(ptr= get_argument(include_keyword,
sizeof(include_keyword), ptr,
name, line)))
goto err;
search_default_file_with_ext(opt_handler, handler_ctx, "", "", ptr,
recursion_level + 1);
}
continue;
}
if (*ptr == '[') /* Group name */
{
found_group=1;
if (!(end=(char *) strchr(++ptr,']')))
{
fprintf(stderr,
"error: Wrong group definition in config file: %s at line %d\n",
name,line);
goto err;
}
/* Remove end space */
for ( ; my_isspace(&my_charset_latin1,end[-1]) ; end--) ;
end[0]=0;
strmake(curr_gr, ptr, MY_MIN((size_t) (end-ptr)+1, sizeof(curr_gr)-1));
/* signal that a new group is found */
opt_handler(handler_ctx, curr_gr, NULL);
continue;
}
if (!found_group)
{
fprintf(stderr,
"error: Found option without preceding group in config file: %s at line: %d\n",
name,line);
goto err;
}
end= remove_end_comment(ptr);
if ((value= strchr(ptr, '=')))
end= value; /* Option without argument */
for ( ; my_isspace(&my_charset_latin1,end[-1]) ; end--) ;
if (!value)
{
strmake(strmov(option,"--"),ptr, (size_t) (end-ptr));
if (opt_handler(handler_ctx, curr_gr, option))
goto err;
}
else
{
/* Remove pre- and end space */
char *value_end;
for (value++ ; my_isspace(&my_charset_latin1,*value); value++) ;
value_end=strend(value);
/*
We don't have to test for value_end >= value as we know there is
an '=' before
*/
for ( ; my_isspace(&my_charset_latin1,value_end[-1]) ; value_end--) ;
if (value_end < value) /* Empty string */
value_end=value;
/* remove quotes around argument */
if ((*value == '\"' || *value == '\'') && /* First char is quote */
(value + 1 < value_end ) && /* String is longer than 1 */
*value == value_end[-1] ) /* First char is equal to last char */
{
value++;
value_end--;
}
ptr=strnmov(strmov(option,"--"),ptr,(size_t) (end-ptr));
*ptr++= '=';
for ( ; value != value_end; value++)
{
if (*value == '\\' && value != value_end-1)
{
switch(*++value) {
case 'n':
*ptr++='\n';
break;
case 't':
*ptr++= '\t';
break;
case 'r':
*ptr++ = '\r';
break;
case 'b':
*ptr++ = '\b';
break;
case 's':
*ptr++= ' '; /* space */
break;
case '\"':
*ptr++= '\"';
break;
case '\'':
*ptr++= '\'';
break;
case '\\':
*ptr++= '\\';
break;
default: /* Unknown; Keep '\' */
*ptr++= '\\';
*ptr++= *value;
break;
}
}
else
*ptr++= *value;
}
*ptr=0;
if (opt_handler(handler_ctx, curr_gr, option))
goto err;
}
}
mysql_file_fclose(fp, MYF(0));
return(0);
err:
mysql_file_fclose(fp, MYF(0));
return -1; /* Fatal error */
}
