refactor userdiff textconv code

diff --git a/builtin-cat-file.c b/builtin-cat-file.c
index 7441a56acdbefdd8044a406f4d756ce8a4f06644..30d00a66649f749c8cf6e657734045382bc29e13 100644 (file)
--- a/builtin-cat-file.c
+++ b/builtin-cat-file.c
@@ -137,11 +137,11 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
                break;
 
        default:
-               die("git-cat-file: unknown option: %s\n", exp_type);
+               die("git cat-file: unknown option: %s\n", exp_type);
        }
 
        if (!buf)
-               die("git-cat-file %s: bad file", obj_name);
+               die("git cat-file %s: bad file", obj_name);
 
        write_or_die(1, buf, size);
        return 0;
@@ -189,9 +189,8 @@ static int batch_one_object(const char *obj_name, int print_contents)
 
 static int batch_objects(int print_contents)
 {
-       struct strbuf buf;
+       struct strbuf buf = STRBUF_INIT;
 
-       strbuf_init(&buf, 0);
        while (strbuf_getline(&buf, stdin, '\n') != EOF) {
                int error = batch_one_object(buf.buf, print_contents);
                if (error)