/* charray.c - routines for dealing with char * arrays */
/* $OpenLDAP$ */
/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
(*a)[n] = NULL;
}
+void
+charray_add_n(
+ char ***a,
+ const char *s,
+ int l
+)
+{
+ int n;
+
+ if ( *a == NULL ) {
+ *a = (char **) ch_malloc( 2 * sizeof(char *) );
+ n = 0;
+ } else {
+ for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
+ ; /* NULL */
+ }
+
+ *a = (char **) ch_realloc( (char *) *a,
+ (n + 2) * sizeof(char *) );
+ }
+
+ (*a)[n] = (char *) ch_malloc( ( l + 1 ) * sizeof( char ) );
+ strncpy( (*a)[n], s, l );
+ (*a)[n][l] = '\0';
+ (*a)[++n] = NULL;
+}
+
void
charray_merge(
char ***a,
{
int i;
+ if( a == NULL ) return 0;
+
for ( i = 0; a[i] != NULL; i++ ) {
if ( strcasecmp( s, a[i] ) == 0 ) {
return( 1 );
free( str );
return( res );
}
+
+int
+charray_strcmp( const char **a1, const char **a2 )
+{
+ for ( ; a1[0] && a2[0]; a1++, a2++ ) {
+ if ( strcmp( a1[0], a2[0] ) ) {
+ return( !0 );
+ }
+ }
+
+ if ( a1[0] || a2[0] ) {
+ return( !0 );
+ }
+
+ return 0;
+}
+
+
+int
+charray_strcasecmp( const char **a1, const char **a2 )
+{
+ for ( ; a1[0] && a2[0]; a1++, a2++ ) {
+ if ( strcasecmp( a1[0], a2[0] ) ) {
+ return( !0 );
+ }
+ }
+
+ if ( a1[0] || a2[0] ) {
+ return( !0 );
+ }
+
+ return 0;
+}
+
+/* strcopy is like strcpy except it returns a pointer to the trailing NUL of
+ * the result string. This allows fast construction of catenated strings
+ * without the overhead of strlen/strcat.
+ */
+char *
+slap_strcopy(
+ char *a,
+ const char *b
+)
+{
+ if (!a || !b)
+ return a;
+
+ while ((*a++ = *b++)) ;
+ return a-1;
+}
+
+/* strncopy is like strcpy except it returns a pointer to the trailing NUL of
+ * the result string. This allows fast construction of catenated strings
+ * without the overhead of strlen/strcat.
+ */
+char *
+slap_strncopy(
+ char *a,
+ const char *b,
+ size_t n
+)
+{
+ if (!a || !b || n == 0)
+ return a;
+
+ while ((*a++ = *b++) && n-- > 0) ;
+ return a-1;
+}