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/*
Unix SMB/CIFS implementation.
Copyright (C) Andrew Tridgell 2005
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
/*
build a null terminated list of strings from a input string and a
separator list. The separator list must contain characters less than
or equal to 0x2f for this to work correctly on multi-byte strings
*/
const char **str_list_make(TALLOC_CTX *mem_ctx, const char *string, const char *sep)
{
int num_elements = 0;
const char **ret = NULL;
if (sep == NULL) {
sep = LIST_SEP;
}
ret = talloc_array(mem_ctx, const char *, 1);
if (ret == NULL) {
return NULL;
}
while (string && *string) {
size_t len = strcspn(string, sep);
const char **ret2;
if (len == 0) {
string += strspn(string, sep);
continue;
}
ret2 = talloc_realloc(mem_ctx, ret, const char *, num_elements+2);
if (ret2 == NULL) {
talloc_free(ret);
return NULL;
}
ret = ret2;
ret[num_elements] = talloc_strndup(ret, string, len);
if (ret[num_elements] == NULL) {
talloc_free(ret);
return NULL;
}
num_elements++;
string += len;
}
ret[num_elements] = NULL;
return ret;
}
/* join a list back to one string */
char *str_list_join(TALLOC_CTX *mem_ctx, const char **list, char seperator)
{
char *ret = NULL;
int i;
if (list[0] == NULL)
return talloc_strdup(mem_ctx, "");
ret = talloc_strdup(mem_ctx, list[0]);
for (i = 1; list[i]; i++) {
ret = talloc_asprintf_append(ret, "%c%s", seperator, list[i]);
}
return ret;
}
/*
return the number of elements in a string list
*/
size_t str_list_length(const char **list)
{
size_t ret;
for (ret=0;list && list[ret];ret++) /* noop */ ;
return ret;
}
/*
copy a string list
*/
const char **str_list_copy(TALLOC_CTX *mem_ctx, const char **list)
{
int i;
const char **ret = talloc_array(mem_ctx, const char *, str_list_length(list)+1);
if (ret == NULL) return NULL;
for (i=0;list && list[i];i++) {
ret[i] = talloc_strdup(ret, list[i]);
if (ret[i] == NULL) {
talloc_free(ret);
return NULL;
}
}
ret[i] = NULL;
return ret;
}
/*
Return true if all the elements of the list match exactly.
*/
BOOL str_list_equal(const char **list1, const char **list2)
{
int i;
if (list1 == NULL || list2 == NULL) {
return (list1 == list2);
}
for (i=0;list1[i] && list2[i];i++) {
if (strcmp(list1[i], list2[i]) != 0) {
return False;
}
}
if (list1[i] || list2[i]) {
return False;
}
return True;
}
/*
add an entry to a string list
*/
const char **str_list_add(const char **list, const char *s)
{
size_t len = str_list_length(list);
const char **ret;
ret = talloc_realloc(NULL, list, const char *, len+2);
if (ret == NULL) return NULL;
ret[len] = talloc_strdup(ret, s);
if (ret[len] == NULL) return NULL;
ret[len+1] = NULL;
return ret;
}
/*
remove an entry from a string list
*/
void str_list_remove(const char **list, const char *s)
{
int i;
for (i=0;list[i];i++) {
if (strcmp(list[i], s) == 0) break;
}
if (!list[i]) return;
for (;list[i];i++) {
list[i] = list[i+1];
}
}
/*
return True if a string is in a list
*/
BOOL str_list_check(const char **list, const char *s)
{
int i;
for (i=0;list[i];i++) {
if (strcmp(list[i], s) == 0) return True;
}
return False;
}
/*
return True if a string is in a list, case insensitively
*/
BOOL str_list_check_ci(const char **list, const char *s)
{
int i;
for (i=0;list[i];i++) {
if (strcasecmp(list[i], s) == 0) return True;
}
return False;
}
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