Fix compiler warning on MSVC (issue #57)

[apps/agl-service-can-low-level.git] / pb.h

diff --git a/pb.h b/pb.h
index dce8df3..b19dfcf 100644 (file)
--- a/pb.h
+++ b/pb.h
@@ -6,6 +6,8 @@
  * see pb_encode.h or pb_decode.h
  */
 
+#define NANOPB_VERSION nanopb-0.1.9-dev
+
 #include <stdint.h>
 #include <stddef.h>
 #include <stdbool.h>
@@ -22,9 +24,13 @@
 #define UNUSED(x) (void)(x)
 #endif
 
-/* Compile-time assertion, used for checking compatible compilation options. */
+/* Compile-time assertion, used for checking compatible compilation options.
+ * If this fails on your compiler for some reason, use #define STATIC_ASSERT
+ * to disable it. */
 #ifndef STATIC_ASSERT
-#define STATIC_ASSERT(COND,MSG) typedef char static_assertion_##MSG[(COND)?1:-1];
+#define STATIC_ASSERT(COND,MSG) typedef char STATIC_ASSERT_MSG(MSG, __LINE__, __COUNTER__)[(COND)?1:-1];
+#define STATIC_ASSERT_MSG(MSG, LINE, COUNTER) STATIC_ASSERT_MSG_(MSG, LINE, COUNTER)
+#define STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) static_assertion_##MSG##LINE##COUNTER
 #endif
 
 /* Number of required fields to keep track of
@@ -94,8 +100,8 @@ typedef enum {
     
     /* Works for all required/optional/repeated fields.
      * data_offset points to pb_callback_t structure.
-     * LTYPE should be 0 (it is ignored, but sometimes
-     * used to speculatively index an array). */
+     * LTYPE should be valid or 0 (it is ignored, but
+     * sometimes used to speculatively index an array). */
     PB_HTYPE_CALLBACK = 0x30,
     
     PB_HTYPE_MASK = 0xF0
@@ -148,10 +154,12 @@ struct _pb_field_t {
  * It has the number of bytes in the beginning, and after that an array.
  * Note that actual structs used will have a different length of bytes array.
  */
-typedef struct {
+struct _pb_bytes_array_t {
     size_t size;
     uint8_t bytes[1];
-} pb_bytes_array_t;
+};
+
+typedef struct _pb_bytes_array_t pb_bytes_array_t;
 
 /* This structure is used for giving the callback function.
  * It is stored in the message structure and filled in by the method that