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| author | ache <ache@FreeBSD.org> | 2016-09-06 00:32:33 +0000 |
|---|---|---|
| committer | ache <ache@FreeBSD.org> | 2016-09-06 00:32:33 +0000 |
| commit | ca95b01236de914608be599cb0118e3b4d0e7fad (patch) | |
| tree | f49bc47803f9ba4e28bf02da5f493693f306f786 | |
| parent | 6da7f85311d66f5b649b451d176a99d6daa05f54 (diff) | |
| download | FreeBSD-src-ca95b01236de914608be599cb0118e3b4d0e7fad.zip FreeBSD-src-ca95b01236de914608be599cb0118e3b4d0e7fad.tar.gz | |
MFC r305365
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)
| -rw-r--r-- | contrib/one-true-awk/b.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/one-true-awk/b.c b/contrib/one-true-awk/b.c index 4479935..5b59c07 100644 --- a/contrib/one-true-awk/b.c +++ b/contrib/one-true-awk/b.c @@ -841,7 +841,7 @@ int relex(void) /* lexical analyzer for reparse */ 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)) { |
