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 <vda.linux@googlemail.com>
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@ -352,7 +352,7 @@ static int grep_file(FILE *file)
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goto opt_f_not_found;
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} else
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if (option_mask32 & OPT_w) {
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char c = (match != str) ? match[-1] : ' ';
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char c = (match != line) ? match[-1] : ' ';
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if (!isalnum(c) && c != '_') {
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c = match[strlen(gl->pattern)];
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if (!c || (!isalnum(c) && c != '_'))
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