[haiku-bugs] Re: [Haiku] #3145: fseek does not discard ungetc buffer
- From: "hamish" <trac@xxxxxxxxxxxx>
- Date: Tue, 28 Dec 2010 23:28:03 -0000
#3145: fseek does not discard ungetc buffer
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Reporter: bhaible | Owner: zooey
Type: bug | Status: in-progress
Priority: normal | Milestone: R1
Component: System/libroot.so | Version: R1/pre-alpha1
Resolution: | Keywords:
Blocked By: | Has a Patch: 1
Platform: All | Blocking:
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Comment (by hamish):
_IO_buf_base points to the start of the entire stream buffer, while
_IO_read_base points to the start of the read part of the stream buffer.
ungetc() and friends store characters in the bytes between _IO_buf_base
and _IO_read_base, so the seek function must take these into account and
skip them.
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Ticket URL: <http://dev.haiku-os.org/ticket/3145#comment:6>
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