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| author |   jaredy <jaredy@openbsd.org> | 2006-09-26 15:55:17 +0000 |
|---|---|---|
| committer | jaredy <jaredy@openbsd.org> | 2006-09-26 15:55:17 +0000 |
| commit | 3d12d7ee890de65984fe29b0a8c48d12c910941b (patch) | |
| tree | 986a76b1e8d402b27e59144e106499d80a5cb0d9 /usr.bin/grep/grep.c | |
| parent | style(9) extra space (diff) | |
| download | wireguard-openbsd-3d12d7ee890de65984fe29b0a8c48d12c910941b.tar.xz wireguard-openbsd-3d12d7ee890de65984fe29b0a8c48d12c910941b.zip | |
Allow zero-length patterns with -x so
$ grep -x ""
matches empty lines as reported on misc@ by
Martin Marusak <marusak@fhpv.unipo.sk>.
Initial diff by otto@ with tweaks by me.
ok otto
Diffstat (limited to 'usr.bin/grep/grep.c')
| -rw-r--r-- | usr.bin/grep/grep.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/usr.bin/grep/grep.c b/usr.bin/grep/grep.c index 70d8dff38e7..6b84eae8518 100644 --- a/usr.bin/grep/grep.c +++ b/usr.bin/grep/grep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: grep.c,v 1.35 2006/03/07 20:59:56 otto Exp $ */ +/* $OpenBSD: grep.c,v 1.36 2006/09/26 15:55:17 jaredy Exp $ */ /*- * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav @@ -168,7 +168,7 @@ struct option long_options[] = static void add_pattern(char *pat, size_t len) { - if (len == 0 || matchall) { + if (!xflag && (len == 0 || matchall)) { matchall = 1; return; } @@ -183,7 +183,7 @@ add_pattern(char *pat, size_t len) int bol = 0, eol = 0, extra; if (pat[0] == '^') bol = 1; - if (pat[len - 1] == '$') + if (len > 0 && pat[len - 1] == '$') eol = 1; extra = Eflag ? 2 : 4; pattern[patterns] = grep_malloc(len + 15 + extra); |