Date: Sat, 3 Sep 2016 23:04:56 +0000 (UTC) From: "Andrey A. Chernov" <ache@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r305365 - head/contrib/one-true-awk Message-ID: <201609032304.u83N4une089334@repo.freebsd.org>
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Author: ache Date: Sat Sep 3 23:04:56 2016 New Revision: 305365 URL: https://svnweb.freebsd.org/changeset/base/305365 Log: The bug: $ echo x | awk '/[[:cntrl:]]/' x The NUL character in cntrl class truncates the pattern, and an empty pattern matches anything. The patch skips NUL as a quick fix. PR: 195792 Submitted by: kdrakehp@zoho.com Approved by: bwk@cs.princeton.edu (the author) MFC after: 3 days Modified: head/contrib/one-true-awk/b.c Modified: head/contrib/one-true-awk/b.c ============================================================================== --- head/contrib/one-true-awk/b.c Sat Sep 3 21:41:29 2016 (r305364) +++ head/contrib/one-true-awk/b.c Sat Sep 3 23:04:56 2016 (r305365) @@ -841,7 +841,7 @@ int relex(void) /* lexical analyzer for if (cc->cc_name != NULL && prestr[1 + cc->cc_namelen] == ':' && prestr[2 + cc->cc_namelen] == ']') { prestr += cc->cc_namelen + 3; - for (i = 0; i < NCHARS; i++) { + for (i = 1; i < NCHARS; i++) { if (!adjbuf((char **) &buf, &bufsz, bp-buf+1, 100, (char **) &bp, "relex2")) FATAL("out of space for reg expr %.10s...", lastre); if (cc->cc_func(i)) {
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