configure: reorganize flow of argument checks

diff --git a/fsck.c b/fsck.c
index 797e3178ae279f444d2efa7e3758652ad0898dd7..511b82cba9977c14d6dcba5efbd6d38591d3aacc 100644 (file)
--- a/fsck.c
+++ b/fsck.c
@@ -148,20 +148,17 @@ static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
        struct tree_desc desc;
        unsigned o_mode;
        const char *o_name;
-       const unsigned char *o_sha1;
 
        init_tree_desc(&desc, item->buffer, item->size);
 
        o_mode = 0;
        o_name = NULL;
-       o_sha1 = NULL;
 
        while (desc.size) {
                unsigned mode;
                const char *name;
-               const unsigned char *sha1;
 
-               sha1 = tree_entry_extract(&desc, &name, &mode);
+               tree_entry_extract(&desc, &name, &mode);
 
                if (strchr(name, '/'))
                        has_full_path = 1;
@@ -207,7 +204,6 @@ static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
 
                o_mode = mode;
                o_name = name;
-               o_sha1 = sha1;
        }
 
        retval = 0;
@@ -307,9 +303,8 @@ int fsck_error_function(struct object *obj, int type, const char *fmt, ...)
 {
        va_list ap;
        int len;
-       struct strbuf sb;
+       struct strbuf sb = STRBUF_INIT;
 
-       strbuf_init(&sb, 0);
        strbuf_addf(&sb, "object %s:", obj->sha1?sha1_to_hex(obj->sha1):"(null)");
 
        va_start(ap, fmt);
@@ -327,7 +322,7 @@ int fsck_error_function(struct object *obj, int type, const char *fmt, ...)
                        die("this should not happen, your snprintf is broken");
        }
 
-       error(sb.buf);
+       error("%s", sb.buf);
        strbuf_release(&sb);
        return 1;
 }