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| author | kevans <kevans@FreeBSD.org> | 2017-08-16 00:42:51 +0000 |
|---|---|---|
| committer | kevans <kevans@FreeBSD.org> | 2017-08-16 00:42:51 +0000 |
| commit | 9de2da25a00017488b8375c242339df6727c8d97 (patch) | |
| tree | 54b6d5ab7ef4c18aa79330a4adbe526fc9a0d4e4 /usr.bin/grep | |
| parent | 01a10a26f2dc76258dda2a0d9195de329cfb5b6f (diff) | |
| download | FreeBSD-src-9de2da25a00017488b8375c242339df6727c8d97.zip FreeBSD-src-9de2da25a00017488b8375c242339df6727c8d97.tar.gz | |
MFC r316542: bsdgrep: Handle special case of single-byte NUL pattern
PR: 202022
Approved by: emaste (mentor, blanket MFC)
Diffstat (limited to 'usr.bin/grep')
| -rw-r--r-- | usr.bin/grep/grep.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/usr.bin/grep/grep.c b/usr.bin/grep/grep.c index b85db5a..fe8c778 100644 --- a/usr.bin/grep/grep.c +++ b/usr.bin/grep/grep.c @@ -315,8 +315,12 @@ read_patterns(const char *fn) } len = 0; line = NULL; - while ((rlen = getline(&line, &len, f)) != -1) + while ((rlen = getline(&line, &len, f)) != -1) { + if (line[0] == '\0') + continue; add_pattern(line, line[0] == '\n' ? 0 : (size_t)rlen); + } + free(line); if (ferror(f)) err(2, "%s", fn); |
