[PATCH] apply: fix memory leak in prefix_one()

[Johannes Schindelin <Johannes.Schindelin@xxxxxx>]

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@xxxxxx>
---

	Thank you for your patches. (BTW they _are_ dependent, since
	the signature of remove_file() has changed.)

	This is on top of them.

 builtin-apply.c |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/builtin-apply.c b/builtin-apply.c
index e01969f..02b7ed9 100644
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -2516,11 +2516,13 @@ static int use_patch(struct patch *p)
 	return 1;
 }
 
-static char *prefix_one(char *name)
+static void prefix_one(char **name)
 {
-	if (!name)
-		return name;
-	return xstrdup(prefix_filename(prefix, prefix_length, name));
+	char *old_name = *name;
+	if (!old_name)
+		return;
+	*name = xstrdup(prefix_filename(prefix, prefix_length, *name));
+	free(old_name);
 }
 
 static void prefix_patches(struct patch *p)
@@ -2528,8 +2530,8 @@ static void prefix_patches(struct patch *p)
 	if (!prefix)
 		return;
 	for ( ; p; p = p->next) {
-		p->new_name = prefix_one(p->new_name);
-		p->old_name = prefix_one(p->old_name);
+		prefix_one(&p->new_name);
+		prefix_one(&p->old_name);
 	}
 }
 
-- 
1.5.0.1.2143.g4dac-dirty


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