lstat_cache(): print a warning if doing ping-pong between cache types

diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index 413082e1fdf537d230a0f58940cee7466b965d0e..4da052a3fff6768fca05b2f3399c5d87ec1daa2e 100644 (file)
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -32,6 +32,7 @@ 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_PATIENCE_DIFF (1 << 5)
 #define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE | XDF_IGNORE_WHITESPACE_AT_EOL)
 
 #define XDL_PATCH_NORMAL '-'
@@ -50,10 +51,16 @@ extern "C" {
 #define XDL_BDOP_CPY 2
 #define XDL_BDOP_INSB 3
 
+/* merge simplification levels */
 #define XDL_MERGE_MINIMAL 0
 #define XDL_MERGE_EAGER 1
 #define XDL_MERGE_ZEALOUS 2
 #define XDL_MERGE_ZEALOUS_ALNUM 3
+#define XDL_MERGE_LEVEL_MASK 0x0f
+
+/* merge output styles */
+#define XDL_MERGE_DIFF3 0x8000
+#define XDL_MERGE_STYLE_MASK 0x8000
 
 typedef struct s_mmfile {
        char *ptr;
@@ -78,9 +85,11 @@ typedef long (*find_func_t)(const char *line, long line_len, char *buffer, long
 
 typedef struct s_xdemitconf {
        long ctxlen;
+       long interhunkctxlen;
        unsigned long flags;
        find_func_t find_func;
        void *find_func_priv;
+       void (*emit_func)();
 } xdemitconf_t;
 
 typedef struct s_bdiffparam {