From 03fd7e06f854d385070a6fc9714f445727c359cd Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Thu, 29 Mar 2018 18:03:50 +0200 Subject: [PATCH] grep: fix echo "aa" | busybox grep -F -w "a" (should not match) function old new delta grep_file 1461 1470 +9 Signed-off-by: Denys Vlasenko --- findutils/grep.c | 2 +- testsuite/grep.tests | 6 ++++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/findutils/grep.c b/findutils/grep.c index fc6de4b69..88de0d4ef 100644 --- a/findutils/grep.c +++ b/findutils/grep.c @@ -352,7 +352,7 @@ static int grep_file(FILE *file) goto opt_f_not_found; } else if (option_mask32 & OPT_w) { - char c = (match != str) ? match[-1] : ' '; + char c = (match != line) ? match[-1] : ' '; if (!isalnum(c) && c != '_') { c = match[strlen(gl->pattern)]; if (!c || (!isalnum(c) && c != '_')) diff --git a/testsuite/grep.tests b/testsuite/grep.tests index ed4ba455e..d0b0d2767 100755 --- a/testsuite/grep.tests +++ b/testsuite/grep.tests @@ -165,6 +165,12 @@ testing "grep -w word doesn't match wordword" \ "wordword\n" \ "" +testing "grep -F -w w doesn't match ww" \ + "grep -F -w w input" \ + "" \ + "ww\n" \ + "" + testing "grep -w word match second word" \ "grep -w word input" \ "bword,word\n""wordb,word\n""bwordb,word\n" \