merge-tree: lose unused "flags" from merge_list

diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index 70c8b87ff2ee920a3fdea96291ed0d11b8a12e8f..219a3bbca613192d8b127659e4bfc0d60f38cf10 100644 (file)
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -32,9 +32,12 @@ extern "C" {
 #define XDF_IGNORE_WHITESPACE (1 << 2)
 #define XDF_IGNORE_WHITESPACE_CHANGE (1 << 3)
 #define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 4)
+#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE | XDF_IGNORE_WHITESPACE_AT_EOL)
+
 #define XDF_PATIENCE_DIFF (1 << 5)
 #define XDF_HISTOGRAM_DIFF (1 << 6)
-#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE | XDF_IGNORE_WHITESPACE_AT_EOL)
+#define XDF_DIFF_ALGORITHM_MASK (XDF_PATIENCE_DIFF | XDF_HISTOGRAM_DIFF)
+#define XDF_DIFF_ALG(x) ((x) & XDF_DIFF_ALGORITHM_MASK)
 
 #define XDL_EMIT_FUNCNAMES (1 << 0)
 #define XDL_EMIT_COMMON (1 << 1)
@@ -83,13 +86,17 @@ typedef struct s_xdemitcb {
 
 typedef long (*find_func_t)(const char *line, long line_len, char *buffer, long buffer_size, void *priv);
 
+typedef int (*xdl_emit_hunk_consume_func_t)(long start_a, long count_a,
+                                           long start_b, long count_b,
+                                           void *cb_data);
+
 typedef struct s_xdemitconf {
        long ctxlen;
        long interhunkctxlen;
        unsigned long flags;
        find_func_t find_func;
        void *find_func_priv;
-       void (*emit_func)();
+       xdl_emit_hunk_consume_func_t hunk_func;
 } xdemitconf_t;
 
 typedef struct s_bdiffparam {