* completion bugfix
@ 1996-11-15 13:35 Zefram
0 siblings, 0 replies; only message in thread
From: Zefram @ 1996-11-15 13:35 UTC (permalink / raw)
To: Z Shell workers mailing list
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There's a bug in completion that can cause the cursor to be moved one
character before the start of the word being completed. At the beginning
of the buffer, this can cause a crash. Try:
% ;""
Put the cursor on the first quote, and press <tab>. The cursor moves
before the semicolon.
The following patch fixes this bug. I *think* that's all it does; the
old code *looks* wrong, but the logic in that function is quite opaque
so I'm not 100% certain. If anyone knows better, please say so.
-zefram
Index: Src/zle_tricky.c
===================================================================
RCS file: /home/zefram/usr/cvsroot/zsh/Src/zle_tricky.c,v
retrieving revision 1.45
diff -c -r1.45 zle_tricky.c
*** zle_tricky.c 1996/11/09 13:29:17 1.45
--- zle_tricky.c 1996/11/15 02:29:14
***************
*** 1103,1109 ****
cs = i;
foredel(1);
chuck(tt--);
! if ((cs = ocs) >= i--)
cs--;
we--;
}
--- 1103,1109 ----
cs = i;
foredel(1);
chuck(tt--);
! if ((cs = ocs) > i--)
cs--;
we--;
}
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1996-11-15 13:35 completion bugfix Zefram
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