From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 25 Sep 2013 06:44:39 +0000 (+0200)
Subject: blob: add blob_put_raw() for copying one or more blob attributes into the buffer... 
X-Git-Url: http://git.openwrt.org/?p=project%2Flibubox.git;a=commitdiff_plain;h=be458596bd13f0a708d52efaa5c70bac2f8fe97d

blob: add blob_put_raw() for copying one or more blob attributes into the buffer directly

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

diff --git a/blob.c b/blob.c
index c18f5a9..6d66fcd 100644
--- a/blob.c
+++ b/blob.c
@@ -134,6 +134,20 @@ blob_new(struct blob_buf *buf, int id, int payload)
 	return attr;
 }
 
+struct blob_attr *
+blob_put_raw(struct blob_buf *buf, const void *ptr, int len)
+{
+	struct blob_attr *attr;
+
+	if (len < sizeof(struct blob_attr) || !ptr)
+		return NULL;
+
+	attr = blob_add(buf, blob_next(buf->head), 0, len - sizeof(struct blob_attr));
+	blob_set_raw_len(buf->head, blob_pad_len(buf->head) + len);
+	memcpy(attr, ptr, len);
+	return attr;
+}
+
 struct blob_attr *
 blob_put(struct blob_buf *buf, int id, const void *ptr, int len)
 {
diff --git a/blob.h b/blob.h
index 88ee01c..846de6e 100644
--- a/blob.h
+++ b/blob.h
@@ -190,6 +190,7 @@ extern struct blob_attr *blob_put(struct blob_buf *buf, int id, const void *ptr,
 extern bool blob_check_type(const void *ptr, int len, int type);
 extern int blob_parse(struct blob_attr *attr, struct blob_attr **data, const struct blob_attr_info *info, int max);
 extern struct blob_attr *blob_memdup(struct blob_attr *attr);
+extern struct blob_attr *blob_put_raw(struct blob_buf *buf, const void *ptr, int len);
 
 static inline struct blob_attr *
 blob_put_string(struct blob_buf *buf, int id, const char *str)