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Commit 7428d7ee authored by petr@mysql.com's avatar petr@mysql.com
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manual merge

parents 727015db 28a02c9b
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Showing with 119 additions and 11 deletions
mysys/default.c
View file @ 7428d7ee
......@@ -73,7 +73,7 @@ static int search_default_file(Process_option_func func, void *func_ctx,
static int search_default_file_with_ext(Process_option_func func,
void *func_ctx,
const char *dir, const char *ext,
const char *config_file);
const char *config_file, int recursion_level);
static void init_default_directories();
static char *remove_end_comment(char *ptr);
......@@ -328,7 +328,7 @@ int load_defaults(const char *conf_file, const char **groups,
ctx.alloc= &alloc;
ctx.args= &args;
ctx.group= &group;
error= my_search_option_files(conf_file, argc, argv, &args_used,
handle_default_option, (void *) &ctx);
/*
......@@ -402,7 +402,7 @@ static int search_default_file(Process_option_func opt_handler,
int error;
if ((error= search_default_file_with_ext(opt_handler, handler_ctx,
dir, *ext,
config_file)) < 0)
config_file, 0)) < 0)
return error;
}
return 0;
......@@ -411,7 +411,7 @@ static int search_default_file(Process_option_func opt_handler,
/*
Open a configuration file (if exists) and read given options from it
SYNOPSIS
search_default_file_with_ext()
opt_handler Option handler function. It is used to process
......@@ -420,8 +420,10 @@ static int search_default_file(Process_option_func opt_handler,
parameters of the function.
dir directory to read
ext Extension for configuration file
config_file Name of configuration file
config_file Name of configuration file
group groups to read
recursion_level the level of recursion, got while processing
"!include" or "!includedir"
RETURN
0 Success
......@@ -433,13 +435,20 @@ 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)
const char *config_file,
int recursion_level)
{
char name[FN_REFLEN+10], buff[4096], curr_gr[4096], *ptr, *end;
char name[FN_REFLEN + 10], buff[4096], curr_gr[4096], *ptr, *end, **tmp_ext;
char *value, option[4096];
static const char includedir_keyword[]= "includedir";
static const char include_keyword[]= "include";
const int max_recursion_level= 10;
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 */
......@@ -468,22 +477,121 @@ static int search_default_file_with_ext(Process_option_func opt_handler,
if ((stat_info.st_mode & S_IWOTH) &&
(stat_info.st_mode & S_IFMT) == S_IFREG)
{
fprintf(stderr, "warning: World-writeable config file %s is ignored\n",
fprintf(stderr, "warning: World-writable config file %s is ignored\n",
name);
return 0;
}
}
#endif
if (!(fp = my_fopen(fn_format(name,name,"","",4),O_RDONLY,MYF(0))))
if (!(fp= my_fopen(fn_format(name, name, "", "", 4), O_RDONLY, MYF(0))))
return 0; /* Ignore wrong files */
while (fgets(buff,sizeof(buff)-1,fp))
while (fgets(buff, sizeof(buff) - 1, fp))
{
line++;
/* Ignore comment and empty lines */
for (ptr=buff ; my_isspace(&my_charset_latin1,*ptr) ; ptr++ ) ;
for (ptr= buff; my_isspace(&my_charset_latin1, *ptr); ptr++)
{}
if (*ptr == '#' || *ptr == ';' || !*ptr)
continue;
/* Configuration File Directives */
if ((*ptr == '!') && (recursion_level < max_recursion_level))
{
/* 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]))
{
/* skip over "includedir" and following whitespace */
for (ptr+= sizeof(includedir_keyword) - 1;
my_isspace(&my_charset_latin1, ptr[0]); ptr++)
{}
/* trim trailing whitespace from directory name */
end= ptr + strlen(ptr) - 1;
/*
This would work fine even if no whitespaces are met
since fgets() stores the newline character in the buffer
*/
for (; my_isspace(&my_charset_latin1, *(end - 1)); end--)
{}
end[0]= 0;
/* print error msg if there is nothing after !inludedir directive */
if (end == ptr)
{
fprintf(stderr,
"error: Wrong !includedir directive in config "
"file: %s at line %d\n",
name,line);
goto err;
}
if (!(search_dir= my_dir(ptr, MYF(MY_WME))))
goto err;
for (i= 0; i < (uint) search_dir->number_off_files; i++)
{
search_file= search_dir->dir_entry + i;
ext= fn_ext(search_file->name);
/* check extenstion */
for (tmp_ext= (char**) f_extensions; *tmp_ext; *tmp_ext++)
{
if (!strcmp(ext, *tmp_ext))
break;
}
if (*tmp_ext)
{
if (!(tmp= alloc_root(alloc, 2 + strlen(search_file->name)
+ strlen(ptr))))
goto err;
fn_format(tmp, search_file->name, ptr, "",
MY_UNPACK_FILENAME | MY_SAFE_PATH);
search_default_file_with_ext(args, alloc, "", "", tmp, group,
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]))
{
/* skip over `include' and following whitespace */
for (ptr+= sizeof(include_keyword) - 1;
my_isspace(&my_charset_latin1, ptr[0]); ptr++)
{}
/* trim trailing whitespace from filename */
end= ptr + strlen(ptr) - 1;
for (; my_isspace(&my_charset_latin1, *(end - 1)) ; end--)
{}
end[0]= 0;
if (end == ptr)
{
fprintf(stderr,
"error: Wrong !include directive in config "
"file: %s at line %d\n",
name,line);
goto err;
}
search_default_file_with_ext(args, alloc, "", "", ptr, group,
recursion_level + 1);
}
continue;
}
if (*ptr == '[') /* Group name */
{
found_group=1;
......
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