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[openldap] / libraries / libldap / charray.c

diff --git a/libraries/libldap/charray.c b/libraries/libldap/charray.c
index ff6dd8351cf1e11b9d636155ce325639283d9360..b40e232f62c6afef4458d1777f4f706adbf83022 100644 (file)
--- a/libraries/libldap/charray.c
+++ b/libraries/libldap/charray.c
@@ -1,6 +1,6 @@
 /* $OpenLDAP$ */
 /*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 /* charray.c - routines for dealing with char * arrays */
@@ -77,8 +77,9 @@ ldap_charray_merge(
 
        aa = (char **) LDAP_REALLOC( (char *) *a, (n + nn + 1) * sizeof(char *) );
 
-       if( aa == NULL )
+       if( aa == NULL ) {
                return -1;
+       }
 
        *a = aa;
 
@@ -217,3 +218,47 @@ ldap_str2charray( const char *str_in, const char *brkstr )
        LDAP_FREE( str );
        return( res );
 }
+
+char * ldap_charray2str( char **a, const char *sep )
+{
+       char *s, **v, *p;
+       int len;
+       int slen;
+
+       if( sep == NULL ) sep = " ";
+
+       slen = strlen( sep );
+       len = 0;
+
+       for ( v = a; *v != NULL; v++ ) {
+               len += strlen( *v ) + slen;
+       }
+
+       if ( len == 0 ) {
+               return NULL;
+       }
+
+       /* trim extra sep len */
+       len -= slen;
+
+       s = LDAP_MALLOC ( len + 1 );
+
+       if ( s == NULL ) {
+               return NULL;    
+       }
+
+       p = s;
+       for ( v = a; *v != NULL; v++ ) {
+               if ( v != a ) {
+                       strncpy( p, sep, slen );
+                       p += slen;
+               }
+
+               len = strlen( *v );
+               strncpy( p, *v, len );
+               p += len;
+       }
+
+       *p = '\0';
+       return s;
+}