X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=blobmsg.h;h=4619643e27d6c97b19878d3cfcaee65fef4e68fa;hp=c4bf10d404abb231fa34a88aa994e3a3e2a1eeab;hb=e8b26ce48d9a423507d2cb6b98094fe5adb1ed9c;hpb=4ab499899ce2ed884a1235ada501c39e355911e7

diff --git a/blobmsg.h b/blobmsg.h
index c4bf10d..4619643 100644
--- a/blobmsg.h
+++ b/blobmsg.h
@@ -16,6 +16,7 @@
 #ifndef __BLOBMSG_H
 #define __BLOBMSG_H
 
+#include <stdarg.h>
 #include "blob.h"
 
 #define BLOBMSG_ALIGN	2
@@ -77,6 +78,11 @@ static inline int blobmsg_data_len(const struct blob_attr *attr)
 	return blob_len(attr) - (end - start);
 }
 
+static inline int blobmsg_len(const struct blob_attr *attr)
+{
+	return blobmsg_data_len(attr);
+}
+
 bool blobmsg_check_attr(const struct blob_attr *attr, bool name);
 bool blobmsg_check_attr_list(const struct blob_attr *attr, int type);
 int blobmsg_parse(const struct blobmsg_policy *policy, int policy_len,
@@ -195,12 +201,18 @@ void *blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int ma
 void *blobmsg_realloc_string_buffer(struct blob_buf *buf, int maxlen);
 void blobmsg_add_string_buffer(struct blob_buf *buf);
 
+void blobmsg_vprintf(struct blob_buf *buf, const char *name, const char *format, va_list arg);
+void blobmsg_printf(struct blob_buf *buf, const char *name, const char *format, ...)
+     __attribute__((format(printf, 3, 4)));
+
+
 /* blobmsg to json formatting */
 
 #define blobmsg_for_each_attr(pos, attr, rem) \
-	for (rem = blobmsg_data_len(attr), pos = blobmsg_data(attr); \
-		 rem > 0 && (blob_pad_len(pos) <= rem) && \
-		 (blob_pad_len(pos) >= sizeof(struct blob_attr)); \
-		 rem -= blob_pad_len(pos), pos = blob_next(pos))
+	for (rem = attr ? blobmsg_data_len(attr) : 0, \
+	     pos = attr ? blobmsg_data(attr) : 0; \
+	     rem > 0 && (blob_pad_len(pos) <= rem) && \
+	     (blob_pad_len(pos) >= sizeof(struct blob_attr)); \
+	     rem -= blob_pad_len(pos), pos = blob_next(pos))
 
 #endif