X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=blobmsg.c;h=62f83cce2b39ed7afd75b531a861e38174624653;hb=11e8afea0f7eb34f8c23a8e589ee659c46f3f8aa;hp=7257eaed6bc72af54475c764afb2a9035a98332c;hpb=1ec5b85848fd0fcfa7a8a48ce243a9905ff455b2;p=project%2Flibubox.git

diff --git a/blobmsg.c b/blobmsg.c
index 7257eae..62f83cc 100644
--- a/blobmsg.c
+++ b/blobmsg.c
@@ -216,6 +216,31 @@ blobmsg_open_nested(struct blob_buf *buf, const char *name, bool array)
 	return (void *)offset;
 }
 
+void
+blobmsg_vprintf(struct blob_buf *buf, const char *name, const char *format, va_list arg)
+{
+	va_list arg2;
+	char cbuf;
+	int len;
+
+	va_copy(arg2, arg);
+	len = vsnprintf(&cbuf, sizeof(cbuf), format, arg2);
+	va_end(arg2);
+
+	vsprintf(blobmsg_alloc_string_buffer(buf, name, len + 1), format, arg);
+	blobmsg_add_string_buffer(buf);
+}
+
+void
+blobmsg_printf(struct blob_buf *buf, const char *name, const char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+	blobmsg_vprintf(buf, name, format, ap);
+	va_end(ap);
+}
+
 void *
 blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int maxlen)
 {
@@ -233,6 +258,23 @@ blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int maxlen)
 	return data_dest;
 }
 
+void *
+blobmsg_realloc_string_buffer(struct blob_buf *buf, int maxlen)
+{
+	struct blob_attr *attr = blob_next(buf->head);
+	int offset = attr_to_offset(buf, blob_next(buf->head)) + blob_pad_len(attr);
+	int required = maxlen - (buf->buflen - offset);
+
+	if (required <= 0)
+		goto out;
+
+	blob_buf_grow(buf, required);
+	attr = blob_next(buf->head);
+
+out:
+	return blobmsg_data(attr);
+}
+
 void
 blobmsg_add_string_buffer(struct blob_buf *buf)
 {