Return value of lseek() can be negative on failure.
Because the return value of lseek() was assigned to an unsigned size_t variable, we'd fail to notice an error return code -1. Compiler gave a warning about this. Andres Freund
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@ -315,8 +315,8 @@ SendTimeLineHistory(TimeLineHistoryCmd *cmd)
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char histfname[MAXFNAMELEN];
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char path[MAXPGPATH];
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int fd;
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size_t histfilelen;
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size_t bytesleft;
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off_t histfilelen;
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off_t bytesleft;
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/*
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* Reply with a result set with one row, and two columns. The first col
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