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f486c8ed66
Allows for generic oneof offset lookups based on the name of the oneof, instead of having to know the field name. All oneof fields should have the same offset, since they are members of a union. Fixes #204
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#include <stdlib.h>
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#include "t/issue251/issue251.pb-c.h"
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int main(void)
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{
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TwoOneofs msg = TWO_ONEOFS__INIT;
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const ProtobufCFieldDescriptor *field;
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unsigned off1, off2, off_name;
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field = protobuf_c_message_descriptor_get_field_by_name(
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msg.base.descriptor,
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"first_oneof");
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assert (field);
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off_name = field->offset;
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field = protobuf_c_message_descriptor_get_field(
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msg.base.descriptor,
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10);
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assert (field);
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off1 = field->offset;
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field = protobuf_c_message_descriptor_get_field(
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msg.base.descriptor,
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11);
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assert (field);
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off2 = field->offset;
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assert (off_name == off1);
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assert (off1 == off2);
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field = protobuf_c_message_descriptor_get_field_by_name(
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msg.base.descriptor,
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"second_oneof");
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assert (field);
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off_name = field->offset;
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field = protobuf_c_message_descriptor_get_field(
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msg.base.descriptor,
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20);
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assert (field);
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off1 = field->offset;
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field = protobuf_c_message_descriptor_get_field(
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msg.base.descriptor,
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21);
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assert (field);
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off2 = field->offset;
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assert (off_name == off1);
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assert (off1 == off2);
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return EXIT_SUCCESS;
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}
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