refactor userdiff textconv code

diff --git a/builtin-checkout-index.c b/builtin-checkout-index.c
index 55b7aafe06680fa51729ddb7fa97f9cd319a470e..4ba27024c53ca1b67e9b6d6f4a62aa7548b7b96d 100644 (file)
--- a/builtin-checkout-index.c
+++ b/builtin-checkout-index.c
@@ -268,13 +268,11 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
        }
 
        if (read_from_stdin) {
-               struct strbuf buf, nbuf;
+               struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
 
                if (all)
                        die("git checkout-index: don't mix '--all' and '--stdin'");
 
-               strbuf_init(&buf, 0);
-               strbuf_init(&nbuf, 0);
                while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
                        const char *p;
                        if (line_termination && buf.buf[0] == '"') {