Delete dead code and clean comments a little.
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parent
7d56d3747c
commit
427db879c9
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=55164
@ -36,6 +36,11 @@
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static char sccsid[] = "@(#)ch.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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/*
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* Low level character input from the input file.
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* We use these special purpose routines which optimize moving
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@ -172,22 +177,17 @@ fch_get()
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if (ispipe)
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last_piped_pos += n;
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p = &bp->data[bp->datasize];
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bp->datasize += n;
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/*
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* Set an EOI marker in the buffered data itself. Then ensure the
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* data is "clean": there are no extra EOI chars in the data and
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* that the "meta" bit (the 0200 bit) is reset in each char;
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* also translate \r\n sequences to \n if -u flag not set.
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*/
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if (n == 0) {
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ch_fsize = pos;
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bp->data[bp->datasize++] = EOI;
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}
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/*
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* Turn EOI (nul) characters into 0200 since EOI has special meaning. */
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for (p = &bp->data[bp->datasize]; --n >= 0;) {
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*--p;
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--p;
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if (*p == EOI)
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*p = 0200;
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}
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@ -222,6 +222,13 @@ add_lnum(line, pos)
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* we get to p->next == &anchor. This also avoids
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* looking at the gap of the last one, which is
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* not computed by calcgap.
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*
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* XXX Should also ensure that we can determine the line
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* number in the case where we are reading from a pipe
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* and we no longer have the first block(s) of data from
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* the pipe buffered in ch.c. Further, keeping linenum
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* entries for lines in this case that have been thrown-
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* out of the buffer is fairly pointless.
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*/
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mingap = anchor.next->gap;
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for (p = anchor.next; p->next != &anchor; p = p->next)
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