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-rw-r--r--notes.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/notes.c b/notes.c
index eacd2a61da..db77922130 100644
--- a/notes.c
+++ b/notes.c
@@ -539,6 +539,9 @@ static unsigned char determine_fanout(struct int_node *tree, unsigned char n,
return fanout + 1;
}
+/* hex SHA1 + 19 * '/' + NUL */
+#define FANOUT_PATH_MAX 40 + 19 + 1
+
static void construct_path_with_fanout(const unsigned char *sha1,
unsigned char fanout, char *path)
{
@@ -551,7 +554,7 @@ static void construct_path_with_fanout(const unsigned char *sha1,
path[i++] = '/';
fanout--;
}
- strcpy(path + i, hex_sha1 + j);
+ xsnprintf(path + i, FANOUT_PATH_MAX - i, "%s", hex_sha1 + j);
}
static int for_each_note_helper(struct notes_tree *t, struct int_node *tree,
@@ -562,7 +565,7 @@ static int for_each_note_helper(struct notes_tree *t, struct int_node *tree,
void *p;
int ret = 0;
struct leaf_node *l;
- static char path[40 + 19 + 1]; /* hex SHA1 + 19 * '/' + NUL */
+ static char path[FANOUT_PATH_MAX];
fanout = determine_fanout(tree, n, fanout);
for (i = 0; i < 16; i++) {
@@ -595,7 +598,7 @@ redo:
/* invoke callback with subtree */
unsigned int path_len =
l->key_sha1[19] * 2 + fanout;
- assert(path_len < 40 + 19);
+ assert(path_len < FANOUT_PATH_MAX - 1);
construct_path_with_fanout(l->key_sha1, fanout,
path);
/* Create trailing slash, if needed */