proc_loadavg: replace malloc() with asprintf() in calc_pid()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/proc_loadavg.c b/src/proc_loadavg.c
index 0bc58ddb92e94d0f2974533de6703c889f6531cc..ab420c9b55995ee9c322fef11d13ab1a3b6ea8f0 100644 (file)
--- a/src/proc_loadavg.c
+++ b/src/proc_loadavg.c
@@ -317,15 +317,15 @@ static int calc_pid(char ***pid_buf, const char *dpath, int depth, int sum, int
 
                if (file->d_type == DT_DIR) {
                        __do_free char *path_dir = NULL;
+                       int ret;
 
                        /* path + '/' + d_name +/0 */
-                       path_dir = malloc(strlen(path) + 2 + sizeof(file->d_name));
-                       if (!path_dir)
+                       ret = asprintf(&path_dir, "%s/%s", path, file->d_name);
+                       if (ret < 0) {
+                               path_dir = NULL;
                                return sum;
+                       }
 
-                       strcpy(path_dir, path);
-                       strcat(path_dir, "/");
-                       strcat(path_dir, file->d_name);
                        pd = depth - 1;
                        sum = calc_pid(pid_buf, path_dir, pd, sum, cfd);
                }