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Make "--pretty=format" parser a bit more careful.

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When a commit message that does not have a terminating LF is
read in and the memory that was allocated to read it happens to
have a LF immediately after that, the code was not careful and
went past the terminating NUL.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2007-12-20 13:20:15 +01:00 committed by Junio C Hamano
parent cc21682793
commit 7ed0988adc
1 changed files with 3 additions and 1 deletions
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4
pretty.c
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@ -412,7 +412,7 @@ static void parse_commit_header(struct format_commit_context *context)
if (i == eol) {
state++;
/* strip empty lines */
while (msg[eol + 1] == '\n')
while (msg[eol] == '\n' && msg[eol + 1] == '\n')
eol++;
} else if (!prefixcmp(msg + i, "author ")) {
context->author.off = i + 7;
@ -425,6 +425,8 @@ static void parse_commit_header(struct format_commit_context *context)
context->encoding.len = eol - i - 9;
}
i = eol;
if (!msg[i])
break;
}
context->body_off = i;
context->commit_header_parsed = 1;