X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=pb.h;h=90da6233c6f0abedfc246695b9d6dbdce2dd3cc1;hb=acd72917912aa99e9751766ec90e2d2156639a60;hp=5edd6483a29fc8d3796bc51ff28a0f191636eb7d;hpb=be0b9e047a007685aa10a268f9bf856e9a52ef58;p=apps%2Fagl-service-can-low-level.git diff --git a/pb.h b/pb.h index 5edd6483..90da6233 100644 --- a/pb.h +++ b/pb.h @@ -17,6 +17,10 @@ * stores the most-significant byte first. */ /* #define __BIG_ENDIAN__ 1 */ +/* Define this if your CPU / compiler combination does not support + * unaligned memory access to packed structures. */ +/* #define PB_NO_PACKED_STRUCTS 1 */ + /* Increase the number of required fields that are tracked. * A compiler warning will tell if you need this. */ /* #define PB_MAX_REQUIRED_FIELDS 256 */ @@ -46,7 +50,7 @@ /* Version of the nanopb library. Just in case you want to check it in * your own program. */ -#define NANOPB_VERSION nanopb-0.3.0-dev +#define NANOPB_VERSION nanopb-0.3.2 /* Include all the system headers needed by nanopb. You will need the * definitions of the following: @@ -75,7 +79,12 @@ /* Macro for defining packed structures (compiler dependent). * This just reduces memory requirements, but is not required. */ -#if defined(__GNUC__) || defined(__clang__) +#if defined(PB_NO_PACKED_STRUCTS) + /* Disable struct packing */ +# define PB_PACKED_STRUCT_START +# define PB_PACKED_STRUCT_END +# define pb_packed +#elif defined(__GNUC__) || defined(__clang__) /* For GCC and clang */ # define PB_PACKED_STRUCT_START # define PB_PACKED_STRUCT_END @@ -174,6 +183,7 @@ typedef uint8_t pb_type_t; #define PB_HTYPE_REQUIRED 0x00 #define PB_HTYPE_OPTIONAL 0x10 #define PB_HTYPE_REPEATED 0x20 +#define PB_HTYPE_ONEOF 0x30 #define PB_HTYPE_MASK 0x30 /**** Field allocation types ****/ @@ -365,6 +375,9 @@ struct pb_extension_s { # endif #endif +/* This is used to inform about need to regenerate .pb.h/.pb.c files. */ +#define PB_PROTO_HEADER_VERSION 30 + /* These macros are used to declare pb_field_t's in the constant array. */ /* Size of a structure member, in bytes. */ #define pb_membersize(st, m) (sizeof ((st*)0)->m) @@ -444,9 +457,11 @@ struct pb_extension_s { 0, \ pb_membersize(st, m), 0, ptr} +#define PB_OPTEXT_POINTER(tag, st, m, fd, ltype, ptr) \ + PB_OPTIONAL_POINTER(tag, st, m, fd, ltype, ptr) + #define PB_OPTEXT_CALLBACK(tag, st, m, fd, ltype, ptr) \ - {tag, PB_ATYPE_CALLBACK | PB_HTYPE_OPTIONAL | ltype, \ - 0, 0, pb_membersize(st, m), 0, ptr} + PB_OPTIONAL_CALLBACK(tag, st, m, fd, ltype, ptr) /* The mapping from protobuf types to LTYPEs is done using these macros. */ #define PB_LTYPE_MAP_BOOL PB_LTYPE_VARINT @@ -476,51 +491,56 @@ struct pb_extension_s { * SINT32, SINT64, STRING, UINT32, UINT64 or EXTENSION * - Field rules: REQUIRED, OPTIONAL or REPEATED * - Allocation: STATIC or CALLBACK + * - Placement: FIRST or OTHER, depending on if this is the first field in structure. * - Message name * - Field name * - Previous field name (or field name again for first field) * - Pointer to default value or submsg fields. */ -#define PB_FIELD(tag, type, rules, allocation, message, field, prevfield, ptr) \ - PB_ ## rules ## _ ## allocation(tag, message, field, \ - PB_DATAOFFSET_CHOOSE(message, field, prevfield), \ +#define PB_FIELD(tag, type, rules, allocation, placement, message, field, prevfield, ptr) \ + PB_ ## rules ## _ ## allocation(tag, message, field, \ + PB_DATAOFFSET_ ## placement(message, field, prevfield), \ PB_LTYPE_MAP_ ## type, ptr) -/* This is a new version of the macro used by nanopb generator from - * version 0.2.3 onwards. It avoids the use of a ternary expression in - * the initialization, which confused some compilers. - * - * - Placement: FIRST or OTHER, depending on if this is the first field in structure. - * +/* Field description for oneof fields. This requires taking into account the + * union name also, that's why a separate set of macros is needed. */ -#define PB_FIELD2(tag, type, rules, allocation, placement, message, field, prevfield, ptr) \ - PB_ ## rules ## _ ## allocation(tag, message, field, \ - PB_DATAOFFSET_ ## placement(message, field, prevfield), \ +#define PB_ONEOF_STATIC(u, tag, st, m, fd, ltype, ptr) \ + {tag, PB_ATYPE_STATIC | PB_HTYPE_ONEOF | ltype, \ + fd, pb_delta(st, which_ ## u, u.m), \ + pb_membersize(st, u.m), 0, ptr} + +#define PB_ONEOF_POINTER(u, tag, st, m, fd, ltype, ptr) \ + {tag, PB_ATYPE_POINTER | PB_HTYPE_ONEOF | ltype, \ + fd, pb_delta(st, which_ ## u, u.m), \ + pb_membersize(st, u.m[0]), 0, ptr} + +#define PB_ONEOF_FIELD(union_name, tag, type, rules, allocation, placement, message, field, prevfield, ptr) \ + PB_ ## rules ## _ ## allocation(union_name, tag, message, field, \ + PB_DATAOFFSET_ ## placement(message, union_name.field, prevfield), \ PB_LTYPE_MAP_ ## type, ptr) - /* 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. + * + * PB_SET_ERROR() sets the error message if none has been set yet. + * msg must be a constant string literal. + * PB_GET_ERROR() always returns a pointer to a string. + * PB_RETURN_ERROR() sets the error and returns false from current + * function. */ #ifdef PB_NO_ERRMSG -#define PB_RETURN_ERROR(stream,msg) \ - do {\ - PB_UNUSED(stream); \ - return false; \ - } while(0) +#define PB_SET_ERROR(stream, msg) PB_UNUSED(stream) #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_SET_ERROR(stream, msg) (stream->errmsg = (stream)->errmsg ? (stream)->errmsg : (msg)) #define PB_GET_ERROR(stream) ((stream)->errmsg ? (stream)->errmsg : "(none)") #endif +#define PB_RETURN_ERROR(stream, msg) return PB_SET_ERROR(stream, msg), false + #endif