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Fix CSV header being written multiple times to ddnet-saves.txt

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It is implementation-defined whether the file position returned by `ftell` denotes the beginning or the end of the file when opening in append-mode. This was causing the condition `io_tell(File) == 0` to always be true, so the CSV header was also written to `ddnet-saves.txt` every time that a new save code is written. Now, we check if the file already exists before appending and only write the CSV header once when the file does not exist yet.
This commit is contained in:
Robert Müller 2024-07-25 20:10:45 +02:00
parent cd81b1f253
commit 5e655615cb
1 changed files with 2 additions and 1 deletions
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3
src/game/client/components/chat.cpp
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@ -604,6 +604,7 @@ void CChat::StoreSave(const char *pText)
}
*/
const bool SavesFileExists = Storage()->FileExists(SAVES_FILE, IStorage::TYPE_SAVE);
IOHANDLE File = Storage()->OpenFile(SAVES_FILE, IOFLAG_APPEND, IStorage::TYPE_SAVE);
if(!File)
return;
@ -615,7 +616,7 @@ void CChat::StoreSave(const char *pText)
aSaveCode,
};
if(io_tell(File) == 0)
if(!SavesFileExists)
{
CsvWrite(File, 4, SAVES_HEADER);
}