1 /* charray.c - routines for dealing with char * arrays */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2012 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
21 #include <ac/string.h>
22 #include <ac/socket.h>
35 *a = (char **) LDAP_MALLOC( 2 * sizeof(char *) );
45 for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
49 new = (char **) LDAP_REALLOC( (char *) *a,
50 (n + 2) * sizeof(char *) );
53 /* caller is required to call ldap_charray_free(*a) */
60 (*a)[n] = LDAP_STRDUP(s);
62 if( (*a)[n] == NULL ) {
80 for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
83 for ( nn = 0; s[nn] != NULL; nn++ ) {
87 aa = (char **) LDAP_REALLOC( (char *) *a, (n + nn + 1) * sizeof(char *) );
95 for ( i = 0; i < nn; i++ ) {
96 (*a)[n + i] = LDAP_STRDUP(s[i]);
98 if( (*a)[n + i] == NULL ) {
99 for( --i ; i >= 0 ; i-- ) {
100 LDAP_FREE( (*a)[n + i] );
112 ldap_charray_free( char **a )
120 for ( p = a; *p != NULL; p++ ) {
126 LDAP_FREE( (char *) a );
137 if( a == NULL ) return 0;
139 for ( i=0; a[i] != NULL; i++ ) {
140 if ( strcasecmp( s, a[i] ) == 0 ) {
149 ldap_charray_dup( char **a )
154 for ( i = 0; a[i] != NULL; i++ )
157 new = (char **) LDAP_MALLOC( (i + 1) * sizeof(char *) );
163 for ( i = 0; a[i] != NULL; i++ ) {
164 new[i] = LDAP_STRDUP( a[i] );
166 if( new[i] == NULL ) {
167 for( --i ; i >= 0 ; i-- ) {
180 ldap_str2charray( const char *str_in, const char *brkstr )
187 /* protect the input string from strtok */
188 str = LDAP_STRDUP( str_in );
194 for ( s = str; ; LDAP_UTF8_INCR(s) ) {
195 s = ldap_utf8_strpbrk( s, brkstr );
200 res = (char **) LDAP_MALLOC( (i + 1) * sizeof(char *) );
209 for ( s = ldap_utf8_strtok( str, brkstr, &lasts );
211 s = ldap_utf8_strtok( NULL, brkstr, &lasts ) )
213 res[i] = LDAP_STRDUP( s );
216 for( --i ; i >= 0 ; i-- ) {
233 char * ldap_charray2str( char **a, const char *sep )
239 if( sep == NULL ) sep = " ";
241 slen = strlen( sep );
244 for ( v = a; *v != NULL; v++ ) {
245 len += strlen( *v ) + slen;
252 /* trim extra sep len */
255 s = LDAP_MALLOC ( len + 1 );
262 for ( v = a; *v != NULL; v++ ) {
264 strncpy( p, sep, slen );
269 strncpy( p, *v, len );