/* 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
*/
return a-1;
}
-void
-bvarray_add(
- struct berval **a,
- struct berval *bv
-)
-{
- int n;
-
- if ( *a == NULL ) {
- *a = (struct berval *) ch_malloc( 2 * sizeof(struct berval) );
- n = 0;
- } else {
- for ( n = 0; *a != NULL && (*a)[n].bv_val != NULL; n++ ) {
- ; /* NULL */
- }
-
- *a = (struct berval *) ch_realloc( (char *) *a,
- (n + 2) * sizeof(struct berval) );
- }
-
- ber_dupbv( (*a)+n, bv );
- n++;
- (*a)[n].bv_val = NULL;
-}
-
-void
-bvarray_free(
- struct berval *a
+/* 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
)
{
- int i;
-
- if (a) {
- for (i=0; a[i].bv_val; i++)
- free(a[i].bv_val);
- free(a);
- }
+ if (!a || !b || n == 0)
+ return a;
+
+ while ((*a++ = *b++) && n-- > 0) ;
+ return a-1;
}