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Fix small memory leaks induced by diff_tree_setup_paths

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Run diff_tree_release_paths in the appropriate places, and add a test to
avoid NULL dereference. Better safe than sorry.

Signed-off-by: Mike Hommey <mh@glandium.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Mike Hommey 2007-12-11 22:59:55 +01:00 committed by Junio C Hamano
parent b0fe0d7258
commit 03b69c7606
3 changed files with 6 additions and 1 deletions
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4
builtin-blame.c
View File

@ -388,6 +388,7 @@ static struct origin *find_origin(struct scoreboard *sb,
}
}
diff_flush(&diff_opts);
diff_tree_release_paths(&diff_opts);
if (porigin) {
/*
* Create a freestanding copy that is not part of
@ -444,6 +445,7 @@ static struct origin *find_rename(struct scoreboard *sb,
}
}
diff_flush(&diff_opts);
diff_tree_release_paths(&diff_opts);
return porigin;
}
@ -1165,7 +1167,7 @@ static int find_copy_in_parent(struct scoreboard *sb,
}
}
diff_flush(&diff_opts);
diff_tree_release_paths(&diff_opts);
return retval;
}

1
builtin-reset.c
View File

@ -158,6 +158,7 @@ static int read_from_tree(const char *prefix, const char **argv,
return 1;
diffcore_std(&opt);
diff_flush(&opt);
diff_tree_release_paths(&opt);
if (!index_was_discarded)
/* The index is still clobbered from do_diff_cache() */

2
tree-diff.c
View File

@ -326,6 +326,7 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co
die("unable to set up diff options to follow renames");
diff_tree(t1, t2, base, &diff_opts);
diffcore_std(&diff_opts);
diff_tree_release_paths(&diff_opts);
/* Go through the new set of filepairing, and see if we find a more interesting one */
for (i = 0; i < q->nr; i++) {
@ -342,6 +343,7 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co
choice = p;
/* Update the path we use from now on.. */
diff_tree_release_paths(opt);
opt->paths[0] = xstrdup(p->one->path);
diff_tree_setup_paths(opt->paths, opt);
break;