use xstrdup_or_null to replace ternary conditionals

diff --git a/editor.c b/editor.c
index 0abbd8dc3a0ec91acd0c143b6d9b5ad41ac90417..01c644cddbe8e57e31cc711aa0ca3838cf23c64d 100644 (file)
--- a/editor.c
+++ b/editor.c
@@ -38,10 +38,9 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en
 
        if (strcmp(editor, ":")) {
                const char *args[] = { editor, real_path(path), NULL };
-               struct child_process p;
+               struct child_process p = CHILD_PROCESS_INIT;
                int ret, sig;
 
-               memset(&p, 0, sizeof(p));
                p.argv = args;
                p.env = env;
                p.use_shell = 1;