return BLOBMSG_PADDING(sizeof(struct blobmsg_hdr) + namelen + 1);
}
+static inline void blobmsg_clear_name(struct blob_attr *attr)
+{
+ struct blobmsg_hdr *hdr = (struct blobmsg_hdr *) blob_data(attr);
+ hdr->name[0] = 0;
+}
+
static inline const char *blobmsg_name(const struct blob_attr *attr)
{
struct blobmsg_hdr *hdr = (struct blobmsg_hdr *) blob_data(attr);
static inline char *blobmsg_get_string(struct blob_attr *attr)
{
+ if (!attr)
+ return NULL;
+
return (char *) blobmsg_data(attr);
}
void *blobmsg_realloc_string_buffer(struct blob_buf *buf, unsigned 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, ...)
+int blobmsg_vprintf(struct blob_buf *buf, const char *name, const char *format, va_list arg);
+int blobmsg_printf(struct blob_buf *buf, const char *name, const char *format, ...)
__attribute__((format(printf, 3, 4)));
#define blobmsg_for_each_attr(pos, attr, rem) \
for (rem = attr ? blobmsg_data_len(attr) : 0, \
- pos = attr ? blobmsg_data(attr) : 0; \
+ pos = (struct blob_attr *) (attr ? blobmsg_data(attr) : NULL); \
rem > 0 && (blob_pad_len(pos) <= rem) && \
(blob_pad_len(pos) >= sizeof(struct blob_attr)); \
rem -= blob_pad_len(pos), pos = blob_next(pos))