X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=pb.h;h=5e9fad214d2b027236b923d5a4ef17f0b4f2ebd5;hb=871e5be9dd6bb69e2bee2d8e23d27b89285c8f8b;hp=61696a4f80fa94a0679a57eb3d52c6cfb2110be8;hpb=7c5bb6541a820dd4721358226ca3815d94736863;p=apps%2Fagl-service-can-low-level.git diff --git a/pb.h b/pb.h index 61696a4f..5e9fad21 100644 --- a/pb.h +++ b/pb.h @@ -6,6 +6,8 @@ * see pb_encode.h or pb_decode.h */ +#define NANOPB_VERSION nanopb-0.1.8-dev + #include #include #include @@ -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 @@ -34,8 +40,7 @@ #endif #if PB_MAX_REQUIRED_FIELDS < 64 -#warning You should not lower PB_MAX_REQUIRED_FIELDS from the default value (64). \ - The automatic checks against too low value will not be active. +#error You should not lower PB_MAX_REQUIRED_FIELDS from the default value (64). #endif /* List of possible field types. These are used in the autogenerated code. @@ -76,6 +81,7 @@ typedef enum { /* Number of declared LTYPES */ PB_LTYPES_COUNT = 7, + PB_LTYPE_MASK = 0x0F, /****************** * Modifier flags * @@ -96,11 +102,13 @@ typedef enum { * data_offset points to pb_callback_t structure. * LTYPE should be 0 (it is ignored, but sometimes * used to speculatively index an array). */ - PB_HTYPE_CALLBACK = 0x30 + PB_HTYPE_CALLBACK = 0x30, + + PB_HTYPE_MASK = 0xF0 } pb_packed pb_type_t; -#define PB_HTYPE(x) ((x) & 0xF0) -#define PB_LTYPE(x) ((x) & 0x0F) +#define PB_HTYPE(x) ((x) & PB_HTYPE_MASK) +#define PB_LTYPE(x) ((x) & PB_LTYPE_MASK) /* This structure is used in auto-generated constants * to specify struct fields. @@ -146,10 +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 @@ -195,7 +205,25 @@ typedef enum { #define pb_arraysize(st, m) (pb_membersize(st, m) / pb_membersize(st, m[0])) #define pb_delta(st, m1, m2) ((int)offsetof(st, m1) - (int)offsetof(st, m2)) #define pb_delta_end(st, m1, m2) (offsetof(st, m1) - offsetof(st, m2) - pb_membersize(st, m2)) -#define PB_LAST_FIELD {0,(pb_type_t) 0,0,0} +#define PB_LAST_FIELD {0,(pb_type_t) 0,0,0,0,0,0} +/* These macros are used for giving out error messages. + * They are mostly a debugging aid; the main error information + * is the true/false return value from functions. + * Some code space can be saved by disabling the error + * messages if not used. + */ +#ifdef PB_NO_ERRMSG +#define PB_RETURN_ERROR(stream,msg) return false +#define PB_GET_ERROR(stream) "(errmsg disabled)" +#else +#define PB_RETURN_ERROR(stream,msg) \ + do {\ + if ((stream)->errmsg == NULL) \ + (stream)->errmsg = (msg); \ + return false; \ + } while(0) +#define PB_GET_ERROR(stream) ((stream)->errmsg ? (stream)->errmsg : "(none)") +#endif #endif