[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/dnsmasq/dnsmasq-2.86/src/outpacket.c b/ap/app/dnsmasq/dnsmasq-2.86/src/outpacket.c
new file mode 100755
index 0000000..da6f73c
--- /dev/null
+++ b/ap/app/dnsmasq/dnsmasq-2.86/src/outpacket.c
@@ -0,0 +1,118 @@
+/* dnsmasq is Copyright (c) 2000-2021 Simon Kelley
+
+ 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; version 2 dated June, 1991, or
+ (at your option) version 3 dated 29 June, 2007.
+
+ 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, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#include "dnsmasq.h"
+
+#ifdef HAVE_DHCP6
+
+static size_t outpacket_counter;
+
+void end_opt6(int container)
+{
+ void *p = daemon->outpacket.iov_base + container + 2;
+ u16 len = outpacket_counter - container - 4 ;
+
+ PUTSHORT(len, p);
+}
+
+void reset_counter(void)
+{
+ /* Clear out buffer when starting from beginning */
+ if (daemon->outpacket.iov_base)
+ memset(daemon->outpacket.iov_base, 0, daemon->outpacket.iov_len);
+
+ save_counter(0);
+}
+
+int save_counter(int newval)
+{
+ int ret = outpacket_counter;
+
+ if (newval != -1)
+ outpacket_counter = newval;
+
+ return ret;
+}
+
+void *expand(size_t headroom)
+{
+ void *ret;
+
+ if (expand_buf(&daemon->outpacket, outpacket_counter + headroom))
+ {
+ ret = daemon->outpacket.iov_base + outpacket_counter;
+ outpacket_counter += headroom;
+ return ret;
+ }
+
+ return NULL;
+}
+
+int new_opt6(int opt)
+{
+ int ret = outpacket_counter;
+ void *p;
+
+ if ((p = expand(4)))
+ {
+ PUTSHORT(opt, p);
+ PUTSHORT(0, p);
+ }
+
+ return ret;
+}
+
+void *put_opt6(void *data, size_t len)
+{
+ void *p;
+
+ if ((p = expand(len)) && data)
+ memcpy(p, data, len);
+
+ return p;
+}
+
+void put_opt6_long(unsigned int val)
+{
+ void *p;
+
+ if ((p = expand(4)))
+ PUTLONG(val, p);
+}
+
+void put_opt6_short(unsigned int val)
+{
+ void *p;
+
+ if ((p = expand(2)))
+ PUTSHORT(val, p);
+}
+
+void put_opt6_char(unsigned int val)
+{
+ unsigned char *p;
+
+ if ((p = expand(1)))
+ *p = val;
+}
+
+void put_opt6_string(char *s)
+{
+ put_opt6(s, strlen(s));
+}
+
+#endif