commit a3500804a1dff06d6f16bf00324060331968428b
from: Stefan Sperling <stsp@stsp.name>
date: Tue Jan 23 12:52:21 2018 UTC

add a helper function to reduce size of a switch statement

commit - 96f5e8b328f93ac1abe4b49a7e73ecdaf7bb8526
commit + a3500804a1dff06d6f16bf00324060331968428b
blob - 6ffdffe8385a6d8f951907f6de530a8bcfb074fe
blob + 6c4139fbdfc2df2d94af6b3e3a6f0ffb9497ccce
--- lib/pack.c
+++ lib/pack.c
@@ -439,7 +439,26 @@ parse_offset_delta(off_t *base_offset, FILE *packfile,
 	return NULL;
 }
 
+static const struct got_error *resolve_delta_chain(struct got_delta_chain *,
+    FILE *, const char *, off_t, size_t);
+
 static const struct got_error *
+resolve_offset_delta(struct got_delta_chain *deltas, FILE *packfile,
+    const char *path_packfile, off_t offset, size_t delta_size)
+{
+	const struct got_error *err;
+	off_t next_offset;
+
+	err = parse_offset_delta(&next_offset, packfile, offset);
+	if (err)
+		return err;
+
+	/* Next offset must be in the same packfile. */
+	return resolve_delta_chain(deltas, packfile, path_packfile,
+	    next_offset, delta_size);
+}
+
+static const struct got_error *
 resolve_delta_chain(struct got_delta_chain *deltas, FILE *packfile,
     const char *path_packfile, off_t offset, size_t delta_size)
 {
@@ -471,16 +490,10 @@ resolve_delta_chain(struct got_delta_chain *deltas, FI
 	case GOT_OBJ_TYPE_BLOB:
 	case GOT_OBJ_TYPE_TAG:
 		break;
-	case GOT_OBJ_TYPE_OFFSET_DELTA: {
-		off_t next_offset;
-		err = parse_offset_delta(&next_offset, packfile, offset);
-		if (err)
-			return err;
-		/* Next offset must be in the same packfile. */
-		err = resolve_delta_chain(deltas, packfile, path_packfile,
-		    next_offset, base_size);
+	case GOT_OBJ_TYPE_OFFSET_DELTA:
+		err = resolve_offset_delta(deltas, packfile, path_packfile,
+		    offset, base_size);
 		break;
-	}
 	case GOT_OBJ_TYPE_REF_DELTA:
 	default:
 		return got_error(GOT_ERR_NOT_IMPL);