1 files changed, 69 insertions, 0 deletions
diff --git a/pjlib-util/src/pjlib-util/scanner_cis_bitwise.c b/pjlib-util/src/pjlib-util/scanner_cis_bitwise.c
new file mode 100644
index 0000000..50754f5
--- /dev/null
+++ b/pjlib-util/src/pjlib-util/scanner_cis_bitwise.c
@@ -0,0 +1,69 @@
+/* $Id: scanner_cis_bitwise.c 3553 2011-05-05 06:14:19Z nanang $ */
+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+
+/*
+ * THIS FILE IS INCLUDED BY scanner.c.
+ * DO NOT COMPILE THIS FILE ALONE!
+ */
+
+PJ_DEF(void) pj_cis_buf_init( pj_cis_buf_t *cis_buf)
+{
+    pj_bzero(cis_buf->cis_buf, sizeof(cis_buf->cis_buf));
+    cis_buf->use_mask = 0;
+}
+
+PJ_DEF(pj_status_t) pj_cis_init(pj_cis_buf_t *cis_buf, pj_cis_t *cis)
+{
+    unsigned i;
+
+    cis->cis_buf = cis_buf->cis_buf;
+
+    for (i=0; i<PJ_CIS_MAX_INDEX; ++i) {
+        if ((cis_buf->use_mask & (1 << i)) == 0) {
+            cis->cis_id = i;
+	    cis_buf->use_mask |= (1 << i);
+            return PJ_SUCCESS;
+        }
+    }
+
+    cis->cis_id = PJ_CIS_MAX_INDEX;
+    return PJ_ETOOMANY;
+}
+
+PJ_DEF(pj_status_t) pj_cis_dup( pj_cis_t *new_cis, pj_cis_t *existing)
+{
+    pj_status_t status;
+    unsigned i;
+
+    /* Warning: typecasting here! */
+    status = pj_cis_init((pj_cis_buf_t*)existing->cis_buf, new_cis);
+    if (status != PJ_SUCCESS)
+        return status;
+
+    for (i=0; i<256; ++i) {
+        if (PJ_CIS_ISSET(existing, i))
+            PJ_CIS_SET(new_cis, i);
+        else
+            PJ_CIS_CLR(new_cis, i);
+    }
+
+    return PJ_SUCCESS;
+}
+