tests/alltypes_callback/decode_alltypes_callback.c - third_party/github/nanopb/nanopb - Git at Google

 /* Attempts to test all the datatypes supported by ProtoBuf when used as callback fields.
  * Note that normally there would be no reason to use callback fields for this,
  * because each encoder defined here only gives a single field.
  */

 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 #include <pb_decode.h>
 #include "alltypes.pb.h"
 #include "test_helpers.h"

 #define TEST(x) if (!(x)) { \
     printf("Test %s failed (in field %d).\n", #x, field->tag); \
     return false; \
     }

 static bool read_varint(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     uint64_t value;
     if (!pb_decode_varint(stream, &value))
         return false;

     TEST((int64_t)value == (intptr_t)*arg);
     return true;
 }

 static bool read_svarint(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     int64_t value;
     if (!pb_decode_svarint(stream, &value))
         return false;

     TEST(value == (intptr_t)*arg);
     return true;
 }

 static bool read_fixed32(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     uint32_t value;
     if (!pb_decode_fixed32(stream, &value))
         return false;

     TEST(value == *(uint32_t*)*arg);
     return true;
 }

 static bool read_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     uint64_t value;
     if (!pb_decode_fixed64(stream, &value))
         return false;

     TEST(value == *(uint64_t*)*arg);
     return true;
 }

 static bool read_double(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
 #ifdef PB_CONVERT_DOUBLE_FLOAT
     if (sizeof(double) == sizeof(float))
     {
         float value;
         if (!pb_decode_double_as_float(stream, &value))
             return false;

         TEST(memcmp(&value, *arg, sizeof(float)) == 0);
         return true;
     }
 #endif

     uint64_t value;
     if (!pb_decode_fixed64(stream, &value))
         return false;

     TEST(value == *(uint64_t*)*arg);
     return true;
 }

 static bool read_string(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     uint8_t buf[16] = {0};
     size_t len = stream->bytes_left;

     if (len > sizeof(buf) - 1 || !pb_read(stream, buf, len))
         return false;

     TEST(strcmp((char*)buf, *arg) == 0);
     return true;
 }

 static bool read_submsg(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     SubMessage submsg = {""};
     SubMessage *ref = *arg;

     if (!pb_decode(stream, SubMessage_fields, &submsg))
         return false;

     TEST(strcmp(submsg.substuff1, ref->substuff1) == 0);
     TEST(submsg.substuff2 == ref->substuff2);
     TEST(submsg.has_substuff3 == ref->has_substuff3);
     TEST(submsg.substuff3 == ref->substuff3);
     return true;
 }

 static bool read_emptymsg(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     EmptyMessage emptymsg = {0};
     return pb_decode(stream, EmptyMessage_fields, &emptymsg);
 }

 static bool read_repeated_varint(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     int32_t** expected = (int32_t**)arg;
     uint64_t value;
     if (!pb_decode_varint(stream, &value))
         return false;

     TEST(*(*expected)++ == value);
     return true;
 }

 static bool read_repeated_svarint(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     int32_t** expected = (int32_t**)arg;
     int64_t value;
     if (!pb_decode_svarint(stream, &value))
         return false;

     TEST(*(*expected)++ == value);
     return true;
 }

 static bool read_repeated_fixed32(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     uint32_t** expected = (uint32_t**)arg;
     uint32_t value;
     if (!pb_decode_fixed32(stream, &value))
         return false;

     TEST(*(*expected)++ == value);
     return true;
 }

 static bool read_repeated_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     uint64_t** expected = (uint64_t**)arg;
     uint64_t value;
     if (!pb_decode_fixed64(stream, &value))
         return false;

     TEST(*(*expected)++ == value);
     return true;
 }

 static bool read_repeated_double(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
 #ifdef PB_CONVERT_DOUBLE_FLOAT
     if (sizeof(double) == sizeof(float))
     {
         float** expectedf = (float**)arg;
         float value;
         if (!pb_decode_double_as_float(stream, &value))
             return false;

         TEST(memcmp(&value, (*expectedf)++, sizeof(float)) == 0);
         return true;
     }
 #endif

     uint64_t** expected = (uint64_t**)arg;
     uint64_t value;
     if (!pb_decode_fixed64(stream, &value))
         return false;

     TEST(*(*expected)++ == value);
     return true;
 }

 static bool read_repeated_string(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     uint8_t*** expected = (uint8_t***)arg;
     uint8_t buf[16] = {0};
     size_t len = stream->bytes_left;

     if (len > sizeof(buf) - 1 || !pb_read(stream, buf, len))
         return false;

     TEST(strcmp((char*)*(*expected)++, (char*)buf) == 0);
     return true;
 }

 static bool read_repeated_submsg(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     SubMessage** expected = (SubMessage**)arg;
     SubMessage submsg = {""};
     if (!pb_decode(stream, SubMessage_fields, &submsg))
         return false;

     TEST(strcmp(submsg.substuff1, (*expected)->substuff1) == 0);
     TEST(submsg.substuff2 == (*expected)->substuff2);
     TEST(submsg.has_substuff3 == (*expected)->has_substuff3);
     TEST(submsg.substuff3 == (*expected)->substuff3);
     (*expected)++;

     return true;
 }

 static bool read_limits(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
     Limits decoded = {0};
     if (!pb_decode(stream, Limits_fields, &decoded))
         return false;

     TEST(decoded.int32_min  == INT32_MIN);
     TEST(decoded.int32_max  == INT32_MAX);
     TEST(decoded.uint32_min == 0);
     TEST(decoded.uint32_max == UINT32_MAX);
     TEST(decoded.int64_min  == INT64_MIN);
     TEST(decoded.int64_max  == INT64_MAX);
     TEST(decoded.uint64_min == 0);
     TEST(decoded.uint64_max == UINT64_MAX);
     TEST(decoded.enum_min   == HugeEnum_Negative);
     TEST(decoded.enum_max   == HugeEnum_Positive);
     TEST(decoded.largetag   == 1001);

     return true;
 }

 /* This function is called once from main(), it handles
    the decoding and checks the fields. */
 bool check_alltypes(pb_istream_t *stream, int mode)
 {
     /* Values for use from callbacks through pointers. */
     bool status;
     uint32_t    req_fixed32     = 1008;
     int32_t     req_sfixed32    = -1009;
     float       req_float       = 1010.0f;
     uint64_t    req_fixed64     = 1011;
     int64_t     req_sfixed64    = -1012;
     double      req_double      = 1013.0;
     SubMessage  req_submsg      = {"1016", 1016, false, 3};

     int32_t     rep_int32[5]    = {0, 0, 0, 0, -2001};
     int32_t     rep_int64[5]    = {0, 0, 0, 0, -2002};
     int32_t     rep_uint32[5]   = {0, 0, 0, 0,  2003};
     int32_t     rep_uint64[5]   = {0, 0, 0, 0,  2004};
     int32_t     rep_sint32[5]   = {0, 0, 0, 0, -2005};
     int32_t     rep_sint64[5]   = {0, 0, 0, 0, -2006};
     int32_t     rep_bool[5]     = {false, false, false, false, true};
     uint32_t    rep_fixed32[5]  = {0, 0, 0, 0,  2008};
     int32_t     rep_sfixed32[5] = {0, 0, 0, 0, -2009};
     float       rep_float[5]    = {0, 0, 0, 0,  2010.0f};
     uint64_t    rep_fixed64[5]  = {0, 0, 0, 0,  2011};
     int64_t     rep_sfixed64[5] = {0, 0, 0, 0, -2012};
     double      rep_double[5]   = {0, 0, 0, 0,  2013.0};
     char*       rep_string[5]   = {"", "", "", "", "2014"};
     char*       rep_bytes[5]    = {"", "", "", "", "2015"};
     SubMessage  rep_submsg[5]   = {{"", 0, 0, 3},
                                    {"", 0, 0, 3},
                                    {"", 0, 0, 3},
                                    {"", 0, 0, 3},
                                    {"2016", 2016, true, 2016}};
     int32_t     rep_enum[5]     = {0, 0, 0, 0, MyEnum_Truth};

     uint32_t    opt_fixed32     = 3048;
     int32_t     opt_sfixed32    = 3049;
     float       opt_float       = 3050.0f;
     uint64_t    opt_fixed64     = 3051;
     int64_t     opt_sfixed64    = 3052;
     double      opt_double      = 3053.0f;
     SubMessage  opt_submsg      = {"3056", 3056, false, 3};

     SubMessage  oneof_msg1      = {"4059", 4059, false, 3};

     /* Bind callbacks for required fields */
     AllTypes alltypes = AllTypes_init_zero;

     alltypes.req_int32.funcs.decode = &read_varint;
     alltypes.req_int32.arg = (void*)-1001;

     alltypes.req_int64.funcs.decode = &read_varint;
     alltypes.req_int64.arg = (void*)-1002;

     alltypes.req_uint32.funcs.decode = &read_varint;
     alltypes.req_uint32.arg = (void*)1003;

     alltypes.req_uint32.funcs.decode = &read_varint;
     alltypes.req_uint32.arg = (void*)1003;

     alltypes.req_uint64.funcs.decode = &read_varint;
     alltypes.req_uint64.arg = (void*)1004;

     alltypes.req_sint32.funcs.decode = &read_svarint;
     alltypes.req_sint32.arg = (void*)-1005;

     alltypes.req_sint64.funcs.decode = &read_svarint;
     alltypes.req_sint64.arg = (void*)-1006;

     alltypes.req_bool.funcs.decode = &read_varint;
     alltypes.req_bool.arg = (void*)true;

     alltypes.req_fixed32.funcs.decode = &read_fixed32;
     alltypes.req_fixed32.arg = &req_fixed32;

     alltypes.req_sfixed32.funcs.decode = &read_fixed32;
     alltypes.req_sfixed32.arg = &req_sfixed32;

     alltypes.req_float.funcs.decode = &read_fixed32;
     alltypes.req_float.arg = &req_float;

     alltypes.req_fixed64.funcs.decode = &read_fixed64;
     alltypes.req_fixed64.arg = &req_fixed64;

     alltypes.req_sfixed64.funcs.decode = &read_fixed64;
     alltypes.req_sfixed64.arg = &req_sfixed64;

     alltypes.req_double.funcs.decode = &read_double;
     alltypes.req_double.arg = &req_double;

     alltypes.req_string.funcs.decode = &read_string;
     alltypes.req_string.arg = "1014";

     alltypes.req_bytes.funcs.decode = &read_string;
     alltypes.req_bytes.arg = "1015";

     alltypes.req_submsg.funcs.decode = &read_submsg;
     alltypes.req_submsg.arg = &req_submsg;

     alltypes.req_enum.funcs.decode = &read_varint;
     alltypes.req_enum.arg = (void*)MyEnum_Truth;

     alltypes.req_emptymsg.funcs.decode = &read_emptymsg;

     /* Bind callbacks for repeated fields */
     alltypes.rep_int32.funcs.decode = &read_repeated_varint;
     alltypes.rep_int32.arg = rep_int32;

     alltypes.rep_int64.funcs.decode = &read_repeated_varint;
     alltypes.rep_int64.arg = rep_int64;

     alltypes.rep_uint32.funcs.decode = &read_repeated_varint;
     alltypes.rep_uint32.arg = rep_uint32;

     alltypes.rep_uint64.funcs.decode = &read_repeated_varint;
     alltypes.rep_uint64.arg = rep_uint64;

     alltypes.rep_sint32.funcs.decode = &read_repeated_svarint;
     alltypes.rep_sint32.arg = rep_sint32;

     alltypes.rep_sint64.funcs.decode = &read_repeated_svarint;
     alltypes.rep_sint64.arg = rep_sint64;

     alltypes.rep_bool.funcs.decode = &read_repeated_varint;
     alltypes.rep_bool.arg = rep_bool;

     alltypes.rep_fixed32.funcs.decode = &read_repeated_fixed32;
     alltypes.rep_fixed32.arg = rep_fixed32;

     alltypes.rep_sfixed32.funcs.decode = &read_repeated_fixed32;
     alltypes.rep_sfixed32.arg = rep_sfixed32;

     alltypes.rep_float.funcs.decode = &read_repeated_fixed32;
     alltypes.rep_float.arg = rep_float;

     alltypes.rep_fixed64.funcs.decode = &read_repeated_fixed64;
     alltypes.rep_fixed64.arg = rep_fixed64;

     alltypes.rep_sfixed64.funcs.decode = &read_repeated_fixed64;
     alltypes.rep_sfixed64.arg = rep_sfixed64;

     alltypes.rep_double.funcs.decode = &read_repeated_double;
     alltypes.rep_double.arg = rep_double;

     alltypes.rep_string.funcs.decode = &read_repeated_string;
     alltypes.rep_string.arg = rep_string;

     alltypes.rep_bytes.funcs.decode = &read_repeated_string;
     alltypes.rep_bytes.arg = rep_bytes;

     alltypes.rep_submsg.funcs.decode = &read_repeated_submsg;
     alltypes.rep_submsg.arg = rep_submsg;

     alltypes.rep_enum.funcs.decode = &read_repeated_varint;
     alltypes.rep_enum.arg = rep_enum;

     alltypes.rep_emptymsg.funcs.decode = &read_emptymsg;

     alltypes.req_limits.funcs.decode = &read_limits;

     alltypes.end.funcs.decode = &read_varint;
     alltypes.end.arg = (void*)1099;

     /* Bind callbacks for optional fields */
     if (mode == 1)
     {
         alltypes.opt_int32.funcs.decode = &read_varint;
         alltypes.opt_int32.arg = (void*)3041;

         alltypes.opt_int64.funcs.decode = &read_varint;
         alltypes.opt_int64.arg = (void*)3042;

         alltypes.opt_uint32.funcs.decode = &read_varint;
         alltypes.opt_uint32.arg = (void*)3043;

         alltypes.opt_uint64.funcs.decode = &read_varint;
         alltypes.opt_uint64.arg = (void*)3044;

         alltypes.opt_sint32.funcs.decode = &read_svarint;
         alltypes.opt_sint32.arg = (void*)3045;

         alltypes.opt_sint64.funcs.decode = &read_svarint;
         alltypes.opt_sint64.arg = (void*)3046;

         alltypes.opt_bool.funcs.decode = &read_varint;
         alltypes.opt_bool.arg = (void*)true;

         alltypes.opt_fixed32.funcs.decode = &read_fixed32;
         alltypes.opt_fixed32.arg = &opt_fixed32;

         alltypes.opt_sfixed32.funcs.decode = &read_fixed32;
         alltypes.opt_sfixed32.arg = &opt_sfixed32;

         alltypes.opt_float.funcs.decode = &read_fixed32;
         alltypes.opt_float.arg = &opt_float;

         alltypes.opt_fixed64.funcs.decode = &read_fixed64;
         alltypes.opt_fixed64.arg = &opt_fixed64;

         alltypes.opt_sfixed64.funcs.decode = &read_fixed64;
         alltypes.opt_sfixed64.arg = &opt_sfixed64;

         alltypes.opt_double.funcs.decode = &read_double;
         alltypes.opt_double.arg = &opt_double;

         alltypes.opt_string.funcs.decode = &read_string;
         alltypes.opt_string.arg = "3054";

         alltypes.opt_bytes.funcs.decode = &read_string;
         alltypes.opt_bytes.arg = "3055";

         alltypes.opt_submsg.funcs.decode = &read_submsg;
         alltypes.opt_submsg.arg = &opt_submsg;

         alltypes.opt_enum.funcs.decode = &read_varint;
         alltypes.opt_enum.arg = (void*)MyEnum_Truth;

         alltypes.opt_emptymsg.funcs.decode = &read_emptymsg;

         alltypes.oneof_msg1.funcs.decode = &read_submsg;
         alltypes.oneof_msg1.arg = &oneof_msg1;

         alltypes.opt_non_zero_based_enum.funcs.decode = &read_varint;
         alltypes.opt_non_zero_based_enum.arg = (void *)NonZeroBasedEnum_Three;
     }

     status = pb_decode(stream, AllTypes_fields, &alltypes);

 #ifdef PB_ENABLE_MALLOC
     /* Just to check for any interference between pb_release() and callback fields */
     pb_release(AllTypes_fields, &alltypes);
 #endif

     return status;
 }

 int main(int argc, char **argv)
 {
     uint8_t buffer[1024];
     size_t count;
     pb_istream_t stream;

     /* Whether to expect the optional values or the default values. */
     int mode = (argc > 1) ? atoi(argv[1]) : 0;

     /* Read the data into buffer */
     SET_BINARY_MODE(stdin);
     count = fread(buffer, 1, sizeof(buffer), stdin);

     /* Construct a pb_istream_t for reading from the buffer */
     stream = pb_istream_from_buffer(buffer, count);

     /* Decode and print out the stuff */
     if (!check_alltypes(&stream, mode))
     {
         printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));
         return 1;
     } else {
         return 0;
     }
 }
	/* Attempts to test all the datatypes supported by ProtoBuf when used as callback fields.
	* Note that normally there would be no reason to use callback fields for this,
	* because each encoder defined here only gives a single field.
	*/

	#include <stdio.h>
	#include <string.h>
	#include <stdlib.h>
	#include <pb_decode.h>
	#include "alltypes.pb.h"
	#include "test_helpers.h"

	#define TEST(x) if (!(x)) { \
	printf("Test %s failed (in field %d).\n", #x, field->tag); \
	return false; \
	}

	static bool read_varint(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	uint64_t value;
	if (!pb_decode_varint(stream, &value))
	return false;

	TEST((int64_t)value == (intptr_t)*arg);
	return true;
	}

	static bool read_svarint(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	int64_t value;
	if (!pb_decode_svarint(stream, &value))
	return false;

	TEST(value == (intptr_t)*arg);
	return true;
	}

	static bool read_fixed32(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	uint32_t value;
	if (!pb_decode_fixed32(stream, &value))
	return false;

	TEST(value == (uint32_t)*arg);
	return true;
	}

	static bool read_fixed64(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	uint64_t value;
	if (!pb_decode_fixed64(stream, &value))
	return false;

	TEST(value == (uint64_t)*arg);
	return true;
	}

	static bool read_double(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	#ifdef PB_CONVERT_DOUBLE_FLOAT
	if (sizeof(double) == sizeof(float))
	{
	float value;
	if (!pb_decode_double_as_float(stream, &value))
	return false;

	TEST(memcmp(&value, *arg, sizeof(float)) == 0);
	return true;
	}
	#endif

	uint64_t value;
	if (!pb_decode_fixed64(stream, &value))
	return false;

	TEST(value == (uint64_t)*arg);
	return true;
	}

	static bool read_string(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	uint8_t buf[16] = {0};
	size_t len = stream->bytes_left;

	if (len > sizeof(buf) - 1 \|\| !pb_read(stream, buf, len))
	return false;

	TEST(strcmp((char)buf, arg) == 0);
	return true;
	}

	static bool read_submsg(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	SubMessage submsg = {""};
	SubMessage ref = arg;

	if (!pb_decode(stream, SubMessage_fields, &submsg))
	return false;

	TEST(strcmp(submsg.substuff1, ref->substuff1) == 0);
	TEST(submsg.substuff2 == ref->substuff2);
	TEST(submsg.has_substuff3 == ref->has_substuff3);
	TEST(submsg.substuff3 == ref->substuff3);
	return true;
	}

	static bool read_emptymsg(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	EmptyMessage emptymsg = {0};
	return pb_decode(stream, EmptyMessage_fields, &emptymsg);
	}

	static bool read_repeated_varint(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	int32_t expected = (int32_t)arg;
	uint64_t value;
	if (!pb_decode_varint(stream, &value))
	return false;

	TEST((expected)++ == value);
	return true;
	}

	static bool read_repeated_svarint(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	int32_t expected = (int32_t)arg;
	int64_t value;
	if (!pb_decode_svarint(stream, &value))
	return false;

	TEST((expected)++ == value);
	return true;
	}

	static bool read_repeated_fixed32(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	uint32_t expected = (uint32_t)arg;
	uint32_t value;
	if (!pb_decode_fixed32(stream, &value))
	return false;

	TEST((expected)++ == value);
	return true;
	}

	static bool read_repeated_fixed64(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	uint64_t expected = (uint64_t)arg;
	uint64_t value;
	if (!pb_decode_fixed64(stream, &value))
	return false;

	TEST((expected)++ == value);
	return true;
	}

	static bool read_repeated_double(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	#ifdef PB_CONVERT_DOUBLE_FLOAT
	if (sizeof(double) == sizeof(float))
	{
	float expectedf = (float)arg;
	float value;
	if (!pb_decode_double_as_float(stream, &value))
	return false;

	TEST(memcmp(&value, (*expectedf)++, sizeof(float)) == 0);
	return true;
	}
	#endif

	uint64_t expected = (uint64_t)arg;
	uint64_t value;
	if (!pb_decode_fixed64(stream, &value))
	return false;

	TEST((expected)++ == value);
	return true;
	}

	static bool read_repeated_string(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	uint8_t* expected = (uint8_t*)arg;
	uint8_t buf[16] = {0};
	size_t len = stream->bytes_left;

	if (len > sizeof(buf) - 1 \|\| !pb_read(stream, buf, len))
	return false;

	TEST(strcmp((char)(expected)++, (char)buf) == 0);
	return true;
	}

	static bool read_repeated_submsg(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	SubMessage expected = (SubMessage)arg;
	SubMessage submsg = {""};
	if (!pb_decode(stream, SubMessage_fields, &submsg))
	return false;

	TEST(strcmp(submsg.substuff1, (*expected)->substuff1) == 0);
	TEST(submsg.substuff2 == (*expected)->substuff2);
	TEST(submsg.has_substuff3 == (*expected)->has_substuff3);
	TEST(submsg.substuff3 == (*expected)->substuff3);
	(*expected)++;

	return true;
	}

	static bool read_limits(pb_istream_t stream, const pb_field_t field, void **arg)
	{
	Limits decoded = {0};
	if (!pb_decode(stream, Limits_fields, &decoded))
	return false;

	TEST(decoded.int32_min == INT32_MIN);
	TEST(decoded.int32_max == INT32_MAX);
	TEST(decoded.uint32_min == 0);
	TEST(decoded.uint32_max == UINT32_MAX);
	TEST(decoded.int64_min == INT64_MIN);
	TEST(decoded.int64_max == INT64_MAX);
	TEST(decoded.uint64_min == 0);
	TEST(decoded.uint64_max == UINT64_MAX);
	TEST(decoded.enum_min == HugeEnum_Negative);
	TEST(decoded.enum_max == HugeEnum_Positive);
	TEST(decoded.largetag == 1001);

	return true;
	}

	/* This function is called once from main(), it handles
	the decoding and checks the fields. */
	bool check_alltypes(pb_istream_t *stream, int mode)
	{
	/* Values for use from callbacks through pointers. */
	bool status;
	uint32_t req_fixed32 = 1008;
	int32_t req_sfixed32 = -1009;
	float req_float = 1010.0f;
	uint64_t req_fixed64 = 1011;
	int64_t req_sfixed64 = -1012;
	double req_double = 1013.0;
	SubMessage req_submsg = {"1016", 1016, false, 3};

	int32_t rep_int32[5] = {0, 0, 0, 0, -2001};
	int32_t rep_int64[5] = {0, 0, 0, 0, -2002};
	int32_t rep_uint32[5] = {0, 0, 0, 0, 2003};
	int32_t rep_uint64[5] = {0, 0, 0, 0, 2004};
	int32_t rep_sint32[5] = {0, 0, 0, 0, -2005};
	int32_t rep_sint64[5] = {0, 0, 0, 0, -2006};
	int32_t rep_bool[5] = {false, false, false, false, true};
	uint32_t rep_fixed32[5] = {0, 0, 0, 0, 2008};
	int32_t rep_sfixed32[5] = {0, 0, 0, 0, -2009};
	float rep_float[5] = {0, 0, 0, 0, 2010.0f};
	uint64_t rep_fixed64[5] = {0, 0, 0, 0, 2011};
	int64_t rep_sfixed64[5] = {0, 0, 0, 0, -2012};
	double rep_double[5] = {0, 0, 0, 0, 2013.0};
	char* rep_string[5] = {"", "", "", "", "2014"};
	char* rep_bytes[5] = {"", "", "", "", "2015"};
	SubMessage rep_submsg[5] = {{"", 0, 0, 3},
	{"", 0, 0, 3},
	{"", 0, 0, 3},
	{"", 0, 0, 3},
	{"2016", 2016, true, 2016}};
	int32_t rep_enum[5] = {0, 0, 0, 0, MyEnum_Truth};

	uint32_t opt_fixed32 = 3048;
	int32_t opt_sfixed32 = 3049;
	float opt_float = 3050.0f;
	uint64_t opt_fixed64 = 3051;
	int64_t opt_sfixed64 = 3052;
	double opt_double = 3053.0f;
	SubMessage opt_submsg = {"3056", 3056, false, 3};

	SubMessage oneof_msg1 = {"4059", 4059, false, 3};

	/* Bind callbacks for required fields */
	AllTypes alltypes = AllTypes_init_zero;

	alltypes.req_int32.funcs.decode = &read_varint;
	alltypes.req_int32.arg = (void*)-1001;

	alltypes.req_int64.funcs.decode = &read_varint;
	alltypes.req_int64.arg = (void*)-1002;

	alltypes.req_uint32.funcs.decode = &read_varint;
	alltypes.req_uint32.arg = (void*)1003;

	alltypes.req_uint32.funcs.decode = &read_varint;
	alltypes.req_uint32.arg = (void*)1003;

	alltypes.req_uint64.funcs.decode = &read_varint;
	alltypes.req_uint64.arg = (void*)1004;

	alltypes.req_sint32.funcs.decode = &read_svarint;
	alltypes.req_sint32.arg = (void*)-1005;

	alltypes.req_sint64.funcs.decode = &read_svarint;
	alltypes.req_sint64.arg = (void*)-1006;

	alltypes.req_bool.funcs.decode = &read_varint;
	alltypes.req_bool.arg = (void*)true;

	alltypes.req_fixed32.funcs.decode = &read_fixed32;
	alltypes.req_fixed32.arg = &req_fixed32;

	alltypes.req_sfixed32.funcs.decode = &read_fixed32;
	alltypes.req_sfixed32.arg = &req_sfixed32;

	alltypes.req_float.funcs.decode = &read_fixed32;
	alltypes.req_float.arg = &req_float;

	alltypes.req_fixed64.funcs.decode = &read_fixed64;
	alltypes.req_fixed64.arg = &req_fixed64;

	alltypes.req_sfixed64.funcs.decode = &read_fixed64;
	alltypes.req_sfixed64.arg = &req_sfixed64;

	alltypes.req_double.funcs.decode = &read_double;
	alltypes.req_double.arg = &req_double;

	alltypes.req_string.funcs.decode = &read_string;
	alltypes.req_string.arg = "1014";

	alltypes.req_bytes.funcs.decode = &read_string;
	alltypes.req_bytes.arg = "1015";

	alltypes.req_submsg.funcs.decode = &read_submsg;
	alltypes.req_submsg.arg = &req_submsg;

	alltypes.req_enum.funcs.decode = &read_varint;
	alltypes.req_enum.arg = (void*)MyEnum_Truth;

	alltypes.req_emptymsg.funcs.decode = &read_emptymsg;

	/* Bind callbacks for repeated fields */
	alltypes.rep_int32.funcs.decode = &read_repeated_varint;
	alltypes.rep_int32.arg = rep_int32;

	alltypes.rep_int64.funcs.decode = &read_repeated_varint;
	alltypes.rep_int64.arg = rep_int64;

	alltypes.rep_uint32.funcs.decode = &read_repeated_varint;
	alltypes.rep_uint32.arg = rep_uint32;

	alltypes.rep_uint64.funcs.decode = &read_repeated_varint;
	alltypes.rep_uint64.arg = rep_uint64;

	alltypes.rep_sint32.funcs.decode = &read_repeated_svarint;
	alltypes.rep_sint32.arg = rep_sint32;

	alltypes.rep_sint64.funcs.decode = &read_repeated_svarint;
	alltypes.rep_sint64.arg = rep_sint64;

	alltypes.rep_bool.funcs.decode = &read_repeated_varint;
	alltypes.rep_bool.arg = rep_bool;

	alltypes.rep_fixed32.funcs.decode = &read_repeated_fixed32;
	alltypes.rep_fixed32.arg = rep_fixed32;

	alltypes.rep_sfixed32.funcs.decode = &read_repeated_fixed32;
	alltypes.rep_sfixed32.arg = rep_sfixed32;

	alltypes.rep_float.funcs.decode = &read_repeated_fixed32;
	alltypes.rep_float.arg = rep_float;

	alltypes.rep_fixed64.funcs.decode = &read_repeated_fixed64;
	alltypes.rep_fixed64.arg = rep_fixed64;

	alltypes.rep_sfixed64.funcs.decode = &read_repeated_fixed64;
	alltypes.rep_sfixed64.arg = rep_sfixed64;

	alltypes.rep_double.funcs.decode = &read_repeated_double;
	alltypes.rep_double.arg = rep_double;

	alltypes.rep_string.funcs.decode = &read_repeated_string;
	alltypes.rep_string.arg = rep_string;

	alltypes.rep_bytes.funcs.decode = &read_repeated_string;
	alltypes.rep_bytes.arg = rep_bytes;

	alltypes.rep_submsg.funcs.decode = &read_repeated_submsg;
	alltypes.rep_submsg.arg = rep_submsg;

	alltypes.rep_enum.funcs.decode = &read_repeated_varint;
	alltypes.rep_enum.arg = rep_enum;

	alltypes.rep_emptymsg.funcs.decode = &read_emptymsg;

	alltypes.req_limits.funcs.decode = &read_limits;

	alltypes.end.funcs.decode = &read_varint;
	alltypes.end.arg = (void*)1099;

	/* Bind callbacks for optional fields */
	if (mode == 1)
	{
	alltypes.opt_int32.funcs.decode = &read_varint;
	alltypes.opt_int32.arg = (void*)3041;

	alltypes.opt_int64.funcs.decode = &read_varint;
	alltypes.opt_int64.arg = (void*)3042;

	alltypes.opt_uint32.funcs.decode = &read_varint;
	alltypes.opt_uint32.arg = (void*)3043;

	alltypes.opt_uint64.funcs.decode = &read_varint;
	alltypes.opt_uint64.arg = (void*)3044;

	alltypes.opt_sint32.funcs.decode = &read_svarint;
	alltypes.opt_sint32.arg = (void*)3045;

	alltypes.opt_sint64.funcs.decode = &read_svarint;
	alltypes.opt_sint64.arg = (void*)3046;

	alltypes.opt_bool.funcs.decode = &read_varint;
	alltypes.opt_bool.arg = (void*)true;

	alltypes.opt_fixed32.funcs.decode = &read_fixed32;
	alltypes.opt_fixed32.arg = &opt_fixed32;

	alltypes.opt_sfixed32.funcs.decode = &read_fixed32;
	alltypes.opt_sfixed32.arg = &opt_sfixed32;

	alltypes.opt_float.funcs.decode = &read_fixed32;
	alltypes.opt_float.arg = &opt_float;

	alltypes.opt_fixed64.funcs.decode = &read_fixed64;
	alltypes.opt_fixed64.arg = &opt_fixed64;

	alltypes.opt_sfixed64.funcs.decode = &read_fixed64;
	alltypes.opt_sfixed64.arg = &opt_sfixed64;

	alltypes.opt_double.funcs.decode = &read_double;
	alltypes.opt_double.arg = &opt_double;

	alltypes.opt_string.funcs.decode = &read_string;
	alltypes.opt_string.arg = "3054";

	alltypes.opt_bytes.funcs.decode = &read_string;
	alltypes.opt_bytes.arg = "3055";

	alltypes.opt_submsg.funcs.decode = &read_submsg;
	alltypes.opt_submsg.arg = &opt_submsg;

	alltypes.opt_enum.funcs.decode = &read_varint;
	alltypes.opt_enum.arg = (void*)MyEnum_Truth;

	alltypes.opt_emptymsg.funcs.decode = &read_emptymsg;

	alltypes.oneof_msg1.funcs.decode = &read_submsg;
	alltypes.oneof_msg1.arg = &oneof_msg1;

	alltypes.opt_non_zero_based_enum.funcs.decode = &read_varint;
	alltypes.opt_non_zero_based_enum.arg = (void *)NonZeroBasedEnum_Three;
	}

	status = pb_decode(stream, AllTypes_fields, &alltypes);

	#ifdef PB_ENABLE_MALLOC
	/* Just to check for any interference between pb_release() and callback fields */
	pb_release(AllTypes_fields, &alltypes);
	#endif

	return status;
	}

	int main(int argc, char **argv)
	{
	uint8_t buffer[1024];
	size_t count;
	pb_istream_t stream;

	/* Whether to expect the optional values or the default values. */
	int mode = (argc > 1) ? atoi(argv[1]) : 0;

	/* Read the data into buffer */
	SET_BINARY_MODE(stdin);
	count = fread(buffer, 1, sizeof(buffer), stdin);

	/* Construct a pb_istream_t for reading from the buffer */
	stream = pb_istream_from_buffer(buffer, count);

	/* Decode and print out the stuff */
	if (!check_alltypes(&stream, mode))
	{
	printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));
	return 1;
	} else {
	return 0;
	}
	}