[PATCH 08 of 11 c-hglib:level0 V2] hg_rawread: reading some unparse data from command server

[Iulian Stana]

# HG changeset patch
# User Iulian Stana <julian.stana at gmail.com>
# Date 1379103635 -10800
#      Fri Sep 13 23:20:35 2013 +0300
# Node ID fd9e45f6995d55def8e6c961c5e91e698ce19184
# Parent  4a3e55c42250a8efa86cd1ce83bfee48fbc10378
hg_rawread: reading some unparse data from command server

diff --git a/client.c b/client.c
--- a/client.c
+++ b/client.c
@@ -231,3 +231,32 @@
 	free(cmd_send);
 	return 0;
 }
+
+/*
+ * Reading some unparse data from the server.
+ * */
+int hg_rawread(hg_handle *handle, char *buffer, size_t sizebuff)
+{
+	int length = handle->bytes_on_pipe;
+	hg_header *ch = handle->header;
+
+	if(!handle) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	/* If the current channel is not an input channel return 0. */
+	if(!(ch->channel == o || ch->channel == e))
+		return 0;
+
+	length = (length > sizebuff)? sizebuff : length;
+
+	if(read(handle->p_read, buffer, length) < 0){
+		return -1;
+	}
+
+	buffer[length] = '\0';
+	handle->bytes_on_pipe -= length;
+
+	return length;
+}
diff --git a/client.h b/client.h
--- a/client.h
+++ b/client.h
@@ -154,4 +154,22 @@
  * */
 int hg_rawcommand(hg_handle *handle, char *const command[]);
 
+/**
+ * \brief Reading some unparse data from the server. 
+ *
+ * Will read just a 'line', the header that is received from server and the 
+ * data that comes after the header
+ * \param handle The handle of the connection, wherewith I want to communicate
+ * \param buffer A character array where the read content will be stored.
+ * \param sizebuff The number of bytes to read.
+ * \retval Number  the number of bytes that were read.
+ * \retval -1      to indicate an error, with errno set appropriately.
+ *
+ * errno can be:
+ *      - EINVAL  - Invalid argument (handle it's set to a null pointer)
+ *      - read(2) command errors
+ * */
+int hg_rawread(hg_handle *handle, char *buffer, size_t sizebuff);
+
+
 #endif