Status: New
Owner: [email protected]
Labels: Type-Defect Priority-Medium
New issue 469 by [email protected]: how to write/read more than one piece of
message to/from a text file in c++
http://code.google.com/p/protobuf/issues/detail?id=469
What steps will reproduce the problem?
1.fullfill a message
2.invoke SerializeToString method of this message;
3.open a file with combined mode of "std::ios::app|std::ios::binary" and
write the data to this file and close file
4.open file stored the messages in "std::ios::in|std::ios::binary", read a
line,and invoke ParseFromString, this ParseFromString will fail.
What is the expected output? What do you see instead?
expected: a parsed message
fact:libprotobuf ERROR ..\src\google\protobuf\message_lite.cc:123] Can't
parse message of type "FileState" because it is missing required
fields:name,state
What version of the product are you using? On what operating system?
version:protobuf-2.4.0a
system: windows7 x86
Please provide any additional information below.
MESSAGE definition:
enum FileAction {
FILE_ACTION_ADD = 0;
FILE_ACTION_DEL = 1;
FILE_ACTION_MODIFY = 2;
FILE_ACTION_RENAME = 3;
}
message FileState {
required string name = 1; // file name
required FileAction state = 2; // file state
}
the test source file will be found in the attached file
Attachments:
mail.cpp 1.1 KB
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