kvlist: add static initializer macros

[project/libubox.git] / blobmsg.h

diff --git a/blobmsg.h b/blobmsg.h
index 7041aca229e38c5285a4832c59d22efd9a9f6fdc..84997a67ab5bc347dab0bd0a741bd0fd98ecddb5 100644 (file)
--- a/blobmsg.h
+++ b/blobmsg.h
@@ -214,6 +214,9 @@ static inline uint64_t blobmsg_get_u64(struct blob_attr *attr)
 
 static inline char *blobmsg_get_string(struct blob_attr *attr)
 {
+       if (!attr)
+               return NULL;
+
        return (char *) blobmsg_data(attr);
 }
 
@@ -221,8 +224,8 @@ void *blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, unsign
 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)));