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-rw-r--r--xdiff/xdiff.h12
-rw-r--r--xdiff/xmerge.c32
2 files changed, 25 insertions, 19 deletions
diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index 3f6229edbe..a71763ade8 100644
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -56,17 +56,14 @@ extern "C" {
#define XDL_MERGE_EAGER 1
#define XDL_MERGE_ZEALOUS 2
#define XDL_MERGE_ZEALOUS_ALNUM 3
-#define XDL_MERGE_LEVEL_MASK 0x0f
/* merge favor modes */
#define XDL_MERGE_FAVOR_OURS 1
#define XDL_MERGE_FAVOR_THEIRS 2
-#define XDL_MERGE_FAVOR(flags) (((flags)>>4) & 3)
-#define XDL_MERGE_FLAGS(level, style, favor) ((level)|(style)|((favor)<<4))
+#define XDL_MERGE_FAVOR_UNION 3
/* merge output styles */
-#define XDL_MERGE_DIFF3 0x8000
-#define XDL_MERGE_STYLE_MASK 0x8000
+#define XDL_MERGE_DIFF3 1
typedef struct s_mmfile {
char *ptr;
@@ -117,13 +114,16 @@ int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
typedef struct s_xmparam {
xpparam_t xpp;
int marker_size;
+ int level;
+ int favor;
+ int style;
} xmparam_t;
#define DEFAULT_CONFLICT_MARKER_SIZE 7
int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
mmfile_t *mf2, const char *name2,
- xmparam_t const *xmp, int flags, mmbuffer_t *result);
+ xmparam_t const *xmp, mmbuffer_t *result);
#ifdef __cplusplus
}
diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index 8cbe45e675..87cafa7021 100644
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
@@ -28,6 +28,7 @@ typedef struct s_xdmerge {
* 0 = conflict,
* 1 = no conflict, take first,
* 2 = no conflict, take second.
+ * 3 = no conflict, take both.
*/
int mode;
/*
@@ -230,14 +231,19 @@ static int xdl_fill_merge_buffer(xdfenv_t *xe1, const char *name1,
size = fill_conflict_hunk(xe1, name1, xe2, name2,
size, i, style, m, dest,
marker_size);
- else if (m->mode == 1)
- size += xdl_recs_copy(xe1, i, m->i1 + m->chg1 - i, 0,
+ else if (m->mode & 3) {
+ /* Before conflicting part */
+ size += xdl_recs_copy(xe1, i, m->i1 - i, 0,
dest ? dest + size : NULL);
- else if (m->mode == 2)
- size += xdl_recs_copy(xe2, m->i2 - m->i1 + i,
- m->i1 + m->chg2 - i, 0,
- dest ? dest + size : NULL);
- else
+ /* Postimage from side #1 */
+ if (m->mode & 1)
+ size += xdl_recs_copy(xe1, m->i1, m->chg1, 1,
+ dest ? dest + size : NULL);
+ /* Postimage from side #2 */
+ if (m->mode & 2)
+ size += xdl_recs_copy(xe2, m->i2, m->chg2, 1,
+ dest ? dest + size : NULL);
+ } else
continue;
i = m->i1 + m->chg1;
}
@@ -394,13 +400,13 @@ static int xdl_simplify_non_conflicts(xdfenv_t *xe1, xdmerge_t *m,
*/
static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
xdfenv_t *xe2, xdchange_t *xscr2, const char *name2,
- int flags, xmparam_t const *xmp, mmbuffer_t *result) {
+ xmparam_t const *xmp, mmbuffer_t *result) {
xdmerge_t *changes, *c;
xpparam_t const *xpp = &xmp->xpp;
int i0, i1, i2, chg0, chg1, chg2;
- int level = flags & XDL_MERGE_LEVEL_MASK;
- int style = flags & XDL_MERGE_STYLE_MASK;
- int favor = XDL_MERGE_FAVOR(flags);
+ int level = xmp->level;
+ int style = xmp->style;
+ int favor = xmp->favor;
if (style == XDL_MERGE_DIFF3) {
/*
@@ -550,7 +556,7 @@ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
mmfile_t *mf2, const char *name2,
- xmparam_t const *xmp, int flags, mmbuffer_t *result) {
+ xmparam_t const *xmp, mmbuffer_t *result) {
xdchange_t *xscr1, *xscr2;
xdfenv_t xe1, xe2;
int status;
@@ -587,7 +593,7 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
} else {
status = xdl_do_merge(&xe1, xscr1, name1,
&xe2, xscr2, name2,
- flags, xmp, result);
+ xmp, result);
}
xdl_free_script(xscr1);
xdl_free_script(xscr2);