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grep: NUL terminate input from a file

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Internally "git grep" runs regexec(3) that expects its input string
to be NUL terminated.  When searching inside blob data, read_sha1_file()
automatically gives such a buffer, but builtin-grep.c forgot to put
the NUL at the end, even though it allocated enough space for it.

Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jim Meyering 2010-01-18 22:55:07 +01:00 committed by Junio C Hamano
parent 527b9d704d
commit 34f3999206
1 changed files with 1 additions and 0 deletions
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builtin-grep.c
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@ -207,6 +207,7 @@ static int grep_file(struct grep_opt *opt, const char *filename)
return 0;
}
close(i);
data[sz] = 0;
if (opt->relative && opt->prefix_length)
filename = quote_path_relative(filename, -1, &buf, opt->prefix);
i = grep_buffer(opt, filename, data, sz);