pjs/directory/c-sdk/ldap/libraries/libldap/charray.c

230 строки
4.1 KiB
C
Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
1999-11-02 04:46:24 +03:00
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
1999-11-02 04:46:24 +03:00
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
1999-11-02 04:46:24 +03:00
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
1999-11-02 04:46:24 +03:00
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/* charray.c - routines for dealing with char * arrays */
#include "ldap-int.h"
/*
* Add s at the end of the array of strings *a.
* Return 0 for success, -1 for failure.
*/
int
LDAP_CALL
ldap_charray_add(
char ***a,
char *s
)
{
int n;
if ( *a == NULL ) {
*a = (char **)NSLDAPI_MALLOC( 2 * sizeof(char *) );
if ( *a == NULL ) {
return -1;
}
n = 0;
} else {
for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
; /* NULL */
}
*a = (char **)NSLDAPI_REALLOC( (char *) *a,
(n + 2) * sizeof(char *) );
if ( *a == NULL ) {
return -1;
}
}
(*a)[n++] = s;
(*a)[n] = NULL;
return 0;
}
/*
* Add array of strings s at the end of the array of strings *a.
* Return 0 for success, -1 for failure.
*/
int
LDAP_CALL
ldap_charray_merge(
char ***a,
char **s
)
{
int i, n, nn;
if ( (s == NULL) || (s[0] == NULL) )
return 0;
for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
; /* NULL */
}
for ( nn = 0; s[nn] != NULL; nn++ ) {
; /* NULL */
}
*a = (char **)NSLDAPI_REALLOC( (char *) *a,
(n + nn + 1) * sizeof(char *) );
if ( *a == NULL ) {
return -1;
}
for ( i = 0; i < nn; i++ ) {
(*a)[n + i] = s[i];
}
(*a)[n + nn] = NULL;
return 0;
}
void
LDAP_CALL
ldap_charray_free( char **array )
{
char **a;
if ( array == NULL ) {
return;
}
for ( a = array; *a != NULL; a++ ) {
if ( *a != NULL ) {
NSLDAPI_FREE( *a );
}
}
NSLDAPI_FREE( (char *) array );
}
int
LDAP_CALL
ldap_charray_inlist(
char **a,
char *s
)
{
int i;
if ( a == NULL )
return( 0 );
for ( i = 0; a[i] != NULL; i++ ) {
if ( strcasecmp( s, a[i] ) == 0 ) {
return( 1 );
}
}
return( 0 );
}
/*
* Duplicate the array of strings a, return NULL upon any memory failure.
*/
char **
LDAP_CALL
ldap_charray_dup( char **a )
{
int i;
char **new;
for ( i = 0; a[i] != NULL; i++ )
; /* NULL */
new = (char **)NSLDAPI_MALLOC( (i + 1) * sizeof(char *) );
if ( new == NULL ) {
return NULL;
}
for ( i = 0; a[i] != NULL; i++ ) {
new[i] = nsldapi_strdup( a[i] );
if ( new[i] == NULL ) {
int j;
for ( j = 0; j < i; j++ )
NSLDAPI_FREE( new[j] );
NSLDAPI_FREE( new );
return NULL;
}
}
new[i] = NULL;
return( new );
}
/*
* Tokenize the string str, return NULL upon any memory failure.
* XXX: on many platforms this function is not thread safe because it
* uses strtok().
*/
char **
LDAP_CALL
ldap_str2charray( char *str, char *brkstr )
/* This implementation fails if brkstr contains multibyte characters.
But it works OK if str is UTF-8 and brkstr is 7-bit ASCII.
*/
{
char **res;
char *s;
int i;
i = 1;
for ( s = str; *s; s++ ) {
if ( strchr( brkstr, *s ) != NULL ) {
i++;
}
}
res = (char **)NSLDAPI_MALLOC( (i + 1) * sizeof(char *) );
if ( res == NULL ) {
return NULL;
}
i = 0;
for ( s = strtok( str, brkstr ); s != NULL; s = strtok( NULL,
brkstr ) ) {
res[i++] = nsldapi_strdup( s );
if ( res[i - 1] == NULL ) {
int j;
for ( j = 0; j < (i - 1); j++ )
NSLDAPI_FREE( res[j] );
NSLDAPI_FREE( res );
return NULL;
}
}
res[i] = NULL;
return( res );
}
int
LDAP_CALL
ldap_charray_position( char **a, char *s )
{
int i;
for ( i = 0; a[i] != NULL; i++ ) {
if ( strcasecmp( s, a[i] ) == 0 ) {
return( i );
}
}
return( -1 );
}