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read_revisions_from_stdin: make copies for handle_revision_arg

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read_revisions_from_stdin() has passed pointers to its read buffer
down to handle_revision_arg() since its inception way back in 42cabc3
(Teach rev-list an option to read revs from the standard input.,
2006-09-05).  Even back then, this was a bug: through
add_pending_object, the argument was recorded in the object_array's
'name' field.

Fix it by making a copy whenever read_revisions_from_stdin() passes an
argument down the callchain.  The other caller runs handle_revision_arg()
on argv[], where it would be redundant to make a copy.

Signed-off-by: Thomas Rast <trast@inf.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Thomas Rast 2013-04-16 11:57:45 +02:00 committed by Junio C Hamano
parent 7e2010537e
commit 70d26c6e76
1 changed files with 2 additions and 1 deletions
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3
revision.c
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@ -1275,7 +1275,8 @@ static void read_revisions_from_stdin(struct rev_info *revs,
} }
die("options not supported in --stdin mode"); die("options not supported in --stdin mode");
} }
if (handle_revision_arg(sb.buf, revs, 0, REVARG_CANNOT_BE_FILENAME)) if (handle_revision_arg(xstrdup(sb.buf), revs, 0,
REVARG_CANNOT_BE_FILENAME))
die("bad revision '%s'", sb.buf); die("bad revision '%s'", sb.buf);
} }
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