241 lines
8.6 KiB
C
241 lines
8.6 KiB
C
/* protobuf-helper.c
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*
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* Wrapper of Protocol Buffers Language library which generated by protobuf_lang.y and protobuf_lang_scanner.l.
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* Copyright 2019, Huang Qiangxiong <qiangxiong.huang@qq.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/* The packet-protobuf dissector needs get information from *.proto files for dissecting
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* protobuf packet correctly. The information includes:
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* - The names of MESSAGE, ENUM, FIELD, ENUM_VALUE;
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* - The data type of FIELD which assuring the value of protobuf field of packet can be dissected correctly.
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*
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* At present, we use C Protocol Buffers Language Parser which generated by protobuf_lang.y and protobuf_lang_scanner.l.
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* Because wireshark is mainly implemented in plain ANSI C but the offical protobuf library is implemented in C++ language.
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*
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* One day, if C++ library is allowd, we can create a protobuf-helper.cpp file, that invoking offical protobuf C++ library directly,
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* to replace protobuf-helper.c. The packet-protobuf.c can keep unchanged.
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*/
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#include "config.h"
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#include "protobuf-helper.h"
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#include "protobuf_lang_tree.h"
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VALUE_STRING_ARRAY_GLOBAL_DEF(protobuf_field_type);
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void
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pbw_reinit_DescriptorPool(PbwDescriptorPool** pool, const char** directories, pbw_report_error_cb_t error_cb)
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{
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pbl_reinit_descriptor_pool((pbl_descriptor_pool_t**) pool, directories, (pbl_report_error_cb_t) error_cb);
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}
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/* load a proto file, return 0 if successed */
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int
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pbw_load_proto_file(PbwDescriptorPool* pool, const char* filename) {
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if (pbl_add_proto_file_to_be_parsed((pbl_descriptor_pool_t*) pool, filename)) {
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return run_pbl_parser((pbl_descriptor_pool_t*) pool);
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} else {
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return 2;
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}
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}
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/* like DescriptorPool::FindMethodByName */
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const PbwMethodDescriptor*
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pbw_DescriptorPool_FindMethodByName(const PbwDescriptorPool* pool, const char* name) {
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return (const PbwMethodDescriptor*)pbl_message_descriptor_pool_FindMethodByName((pbl_descriptor_pool_t*) pool, name);
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}
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/* like MethodDescriptor::name() */
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const char*
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pbw_MethodDescriptor_name(const PbwMethodDescriptor* method) {
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return pbl_method_descriptor_name((const pbl_method_descriptor_t*) method);
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}
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/* like MethodDescriptor::full_name() */
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const char*
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pbw_MethodDescriptor_full_name(const PbwMethodDescriptor* method) {
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return pbl_method_descriptor_full_name((const pbl_method_descriptor_t*) method);
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}
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/* like MethodDescriptor::input_type() */
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const PbwDescriptor*
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pbw_MethodDescriptor_input_type(const PbwMethodDescriptor* method) {
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return (const PbwDescriptor*)pbl_method_descriptor_input_type((const pbl_method_descriptor_t*) method);
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}
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/* like MethodDescriptor::output_type() */
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const PbwDescriptor*
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pbw_MethodDescriptor_output_type(const PbwMethodDescriptor* method) {
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return (const PbwDescriptor*)pbl_method_descriptor_output_type((const pbl_method_descriptor_t*) method);
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}
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/* like DescriptorPool::FindMessageTypeByName() */
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const PbwDescriptor*
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pbw_DescriptorPool_FindMessageTypeByName(const PbwDescriptorPool* pool, const char* name) {
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return (const PbwDescriptor*)pbl_message_descriptor_pool_FindMessageTypeByName((const pbl_descriptor_pool_t*) pool, name);
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}
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/* like Descriptor::full_name() */
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const char*
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pbw_Descriptor_full_name(const PbwDescriptor* message) {
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return pbl_message_descriptor_full_name((const pbl_message_descriptor_t*) message);
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}
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/* like Descriptor::name() */
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const char*
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pbw_Descriptor_name(const PbwDescriptor* message) {
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return pbl_message_descriptor_name((const pbl_message_descriptor_t*) message);
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}
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/* like Descriptor::field_count() */
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int
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pbw_Descriptor_field_count(const PbwDescriptor* message) {
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return pbl_message_descriptor_field_count((const pbl_message_descriptor_t*) message);
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}
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/* like Descriptor::field() */
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const PbwFieldDescriptor*
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pbw_Descriptor_field(const PbwDescriptor* message, int field_index) {
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return (const PbwFieldDescriptor*)pbl_message_descriptor_field((const pbl_message_descriptor_t*) message, field_index);
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}
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/* like Descriptor::FindFieldByNumber() */
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const PbwFieldDescriptor*
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pbw_Descriptor_FindFieldByNumber(const PbwDescriptor* message, int number) {
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return (const PbwFieldDescriptor*)pbl_message_descriptor_FindFieldByNumber((const pbl_message_descriptor_t*) message, number);
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}
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/* like Descriptor::FindFieldByName() */
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const PbwFieldDescriptor*
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pbw_Descriptor_FindFieldByName(const PbwDescriptor* message, const char* name) {
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return (const PbwFieldDescriptor*)pbl_message_descriptor_FindFieldByName((const pbl_message_descriptor_t*) message, name);
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}
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/* like FieldDescriptor::full_name() */
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const char*
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pbw_FieldDescriptor_full_name(const PbwFieldDescriptor* field) {
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return pbl_field_descriptor_full_name((const pbl_field_descriptor_t*) field);
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}
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/* like FieldDescriptor::name() */
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const char*
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pbw_FieldDescriptor_name(const PbwFieldDescriptor* field) {
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return pbl_field_descriptor_name((const pbl_field_descriptor_t*) field);
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}
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/* like FieldDescriptor::number() */
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int
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pbw_FieldDescriptor_number(const PbwFieldDescriptor* field) {
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return pbl_field_descriptor_number((const pbl_field_descriptor_t*) field);
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}
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/* like FieldDescriptor::type() */
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int
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pbw_FieldDescriptor_type(const PbwFieldDescriptor* field) {
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return pbl_field_descriptor_type((const pbl_field_descriptor_t*) field);
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}
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/* like FieldDescriptor::is_repeated() */
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int
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pbw_FieldDescriptor_is_repeated(const PbwFieldDescriptor* field) {
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return pbl_field_descriptor_is_repeated((const pbl_field_descriptor_t*) field);;
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}
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/* like FieldDescriptor::is_packed() */
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int
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pbw_FieldDescriptor_is_packed(const PbwFieldDescriptor* field) {
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return pbl_field_descriptor_is_packed((const pbl_field_descriptor_t*) field);;
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}
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/* like FieldDescriptor::typeName() */
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const char*
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pbw_FieldDescriptor_typeName(int field_type) {
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return pbl_field_descriptor_TypeName(field_type);
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}
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/* like FieldDescriptor::message_type() */
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const PbwDescriptor*
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pbw_FieldDescriptor_message_type(const PbwFieldDescriptor* field) {
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return (const PbwDescriptor*)pbl_field_descriptor_message_type((const pbl_field_descriptor_t*) field);
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}
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/* like FieldDescriptor::enum_type() */
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const PbwEnumDescriptor*
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pbw_FieldDescriptor_enum_type(const PbwFieldDescriptor* field) {
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return (const PbwEnumDescriptor*)pbl_field_descriptor_enum_type((const pbl_field_descriptor_t*) field);
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}
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/* like EnumDescriptor::name() */
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const char*
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pbw_EnumDescriptor_name(const PbwEnumDescriptor* anEnum) {
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return pbl_enum_descriptor_name((const pbl_enum_descriptor_t*) anEnum);
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}
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/* like EnumDescriptor::full_name() */
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const char*
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pbw_EnumDescriptor_full_name(const PbwEnumDescriptor* anEnum) {
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return pbl_enum_descriptor_full_name((const pbl_enum_descriptor_t*) anEnum);
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}
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/* like EnumDescriptor::value_count() */
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int
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pbw_EnumDescriptor_value_count(const PbwEnumDescriptor* anEnum) {
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return pbl_enum_descriptor_value_count((const pbl_enum_descriptor_t*) anEnum);
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}
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/* like EnumDescriptor::value() */
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const PbwEnumValueDescriptor*
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pbw_EnumDescriptor_value(const PbwEnumDescriptor* anEnum, int value_index) {
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return (const PbwEnumValueDescriptor*) pbl_enum_descriptor_value((const pbl_enum_descriptor_t*) anEnum, value_index);
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}
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/* like EnumDescriptor::FindValueByNumber() */
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const PbwEnumValueDescriptor*
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pbw_EnumDescriptor_FindValueByNumber(const PbwEnumDescriptor* anEnum, int number) {
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return (const PbwEnumValueDescriptor*)pbl_enum_descriptor_FindValueByNumber((const pbl_enum_descriptor_t*) anEnum, number);
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}
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/* like EnumValueDescriptor::name() */
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const char*
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pbw_EnumValueDescriptor_name(const PbwEnumValueDescriptor* enumValue) {
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return pbl_enum_value_descriptor_name((const pbl_enum_value_descriptor_t*) enumValue);
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}
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/* like EnumValueDescriptor::full_name() */
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const char*
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pbw_EnumValueDescriptor_full_name(const PbwEnumValueDescriptor* enumValue) {
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return pbl_enum_value_descriptor_full_name((const pbl_enum_value_descriptor_t*) enumValue);
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}
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/* like EnumValueDescriptor::number() */
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int
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pbw_EnumValueDescriptor_number(const PbwEnumValueDescriptor* enumValue) {
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return pbl_enum_value_descriptor_number((const pbl_enum_value_descriptor_t*) enumValue);
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}
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/* visit all messages of this pool */
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void
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pbw_foreach_message(const PbwDescriptorPool* pool, void (*cb)(const PbwDescriptor* message, void* userdata), void* userdata)
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{
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pbl_foreach_message((const pbl_descriptor_pool_t*) pool, (void (*)(const pbl_message_descriptor_t*, void*)) cb, userdata);
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}
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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