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| author | rsc <devnull@localhost> | 2006-02-06 23:10:48 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2006-02-06 23:10:48 +0000 |
| commit | 8b9a1d4cfefb87cb89835880d528ce8d8b5eecdc (patch) | |
| tree | 9d4ae054152767aadb4bc987b21a25a40e46fd4d /src/cmd/acme/wind.c | |
| parent | 6cb755b60b5bc5410bd90c37f3bf3b50ebcfe789 (diff) | |
| download | plan9port-8b9a1d4cfefb87cb89835880d528ce8d8b5eecdc.tar.gz plan9port-8b9a1d4cfefb87cb89835880d528ce8d8b5eecdc.tar.bz2 plan9port-8b9a1d4cfefb87cb89835880d528ce8d8b5eecdc.zip | |
add chord fix from plan 9
Diffstat (limited to 'src/cmd/acme/wind.c')
| -rw-r--r-- | src/cmd/acme/wind.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cmd/acme/wind.c b/src/cmd/acme/wind.c index 2b0369dd..a2106ed2 100644 --- a/src/cmd/acme/wind.c +++ b/src/cmd/acme/wind.c @@ -115,9 +115,12 @@ wintaglines(Window *w, Rectangle r) /* if tag ends with \n, include empty line at end for typing */ n = w->tag.fr.nlines; - bufread(&w->tag.file->b, w->tag.file->b.nc-1, &rune, 1); + if(w->tag.file->b.nc > 0) + bufread(&w->tag.file->b, w->tag.file->b.nc-1, &rune, 1); if(rune == '\n') n++; + if(n == 0) + n = 1; return n; } |