1 files changed, 80 insertions, 0 deletions
diff --git a/ldap/servers/slapd/lenstr.c b/ldap/servers/slapd/lenstr.c
new file mode 100644
index 00000000..f7b19054
--- /dev/null
+++ b/ldap/servers/slapd/lenstr.c
@@ -0,0 +1,80 @@
+/** BEGIN COPYRIGHT BLOCK
+ * Copyright 2001 Sun Microsystems, Inc.
+ * Portions copyright 1999, 2001-2003 Netscape Communications Corporation.
+ * All rights reserved.
+ * END COPYRIGHT BLOCK **/
+
+#include <string.h>
+#include "slapi-private.h"
+
+#define	LS_INCRSIZE	256
+
+/*
+ * Function: addlenstr
+ * Arguments: l - pointer to an allocated lenstr structure
+ *            str - the (null-terminated) string to append
+ * Returns: nothing
+ * Description: Add "str" to the lenstr, increasing the size if needed.
+ */
+void
+addlenstr( lenstr *l, const char *str )
+{
+    size_t len = strlen( str );
+
+    if ( l->ls_buf == NULL ) {
+	/* string is empty */
+	l->ls_maxlen = ( len > LS_INCRSIZE ) ? len : LS_INCRSIZE;
+	l->ls_len = len;
+	l->ls_buf = slapi_ch_malloc( l->ls_maxlen + 1 );
+	memcpy( l->ls_buf, str, len + 1 );
+    } else {
+	if ( l->ls_len + len > l->ls_maxlen ) {
+	    l->ls_maxlen *= 2;
+	    if (l->ls_maxlen < l->ls_len + len) {
+		l->ls_maxlen += len;
+	    }
+	    l->ls_buf = slapi_ch_realloc( l->ls_buf, l->ls_maxlen + 1 );
+	}
+	memcpy( l->ls_buf + l->ls_len, str, len + 1 );
+	l->ls_len += len;
+    }
+}
+
+
+
+/*
+ * Function: lenstr_free
+ * Arguments: l - pointer to an allocated lenstr structure
+ * Returns: nothing
+ * Description: Free a lenstr.
+ */
+void
+lenstr_free( lenstr **l )
+{
+    if ( NULL != l && NULL != *l ) {
+	lenstr *tl = *l;
+	if ( tl->ls_buf != NULL ) {
+	    slapi_ch_free((void **) &tl->ls_buf );
+	}
+	slapi_ch_free((void **) l );
+    }
+}
+
+
+
+/*
+ * Function: lenstr_new
+ * Returns: an empty, newly-allocated lenstr
+ */
+lenstr *
+lenstr_new()
+{
+    lenstr *l;
+
+    l = ( lenstr * ) slapi_ch_malloc( sizeof( lenstr ));
+    l->ls_buf = NULL;
+    l->ls_len = l->ls_maxlen = 0;
+    return l;
+}
+    
+