From: Thadeu Lima de Souza Cascardo <cascardo@cascardo.info>
Date: Sat, 2 Nov 2013 21:03:01 +0000 (-0200)
Subject: Provide function to remove a header from a message.
X-Git-Tag: v0.1.1~4
X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flibreceita.git;a=commitdiff_plain;h=5f124a78b9b2f7e98cad8d851bb5835001b86846

Provide function to remove a header from a message.

Remove the first n bytes from a message.
---

diff --git a/rnet_message.c b/rnet_message.c
index 52edf14..f47d78c 100644
--- a/rnet_message.c
+++ b/rnet_message.c
@@ -58,6 +58,15 @@ void rnet_message_del(struct rnet_message *message)
 	free(message);
 }
 
+int rnet_message_strip(struct rnet_message *message, size_t len)
+{
+	if (len > message->len)
+		return -1;
+	message->len -= len;
+	memmove(message->buffer, message->buffer + len, message->len);
+	return 0;
+}
+
 static int add_field(struct rnet_message **message, char *key, int klen,
 						char *val, int vlen)
 {
diff --git a/rnet_message.h b/rnet_message.h
index 7e82e80..35fe9ed 100644
--- a/rnet_message.h
+++ b/rnet_message.h
@@ -31,6 +31,7 @@ struct rnet_message {
 struct rnet_message * rnet_message_new(void);
 void rnet_message_del(struct rnet_message *message);
 int rnet_message_expand(struct rnet_message **message, size_t len);
+int rnet_message_strip(struct rnet_message *message, size_t len);
 
 int rnet_message_add_u32(struct rnet_message **msg, char *key, uint32_t val);
 int rnet_message_add_ascii(struct rnet_message **msg, char *key, char *val);