Parse key/value message, extracting the values of its keys.

[cascardo/rnetclient.git] / rnet_message.c

diff --git a/rnet_message.c b/rnet_message.c
index e9a6345..52edf14 100644 (file)
--- a/rnet_message.c
+++ b/rnet_message.c
@@ -131,3 +131,39 @@ int rnet_message_add_buffer(struct rnet_message **msg, char *key,
 {
        return add_field(msg, key, strlen(key), buffer, len);
 }
+
+int rnet_message_parse(struct rnet_message *msg, char *skey,
+                               char** value, int *vlen)
+{
+       char * buffer = msg->buffer;
+       size_t len = msg->len;
+       int i = 0;
+       unsigned int j;
+       int b;
+       char *key;
+       int klen;
+       char *kcopy;
+       /* skip first byte */
+       i++;
+       while (i < len) {
+               j = buffer[i];
+               b = j & 0x80;
+               if (b)
+                       ;
+               j = j & 0x7f;
+               i++;
+               key = buffer + i;
+               klen = j;
+               i += j;
+               j = buffer[i];
+               i++;
+               if (b)
+                       j = j << 8 | buffer[i++];
+               *value = buffer + i;
+               *vlen = j;
+               i += j;
+               if (strlen(skey) == klen && !strncasecmp(key, skey, klen))
+                       return 0;
+       }
+       return 1;
+}