X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=xdiff%2Fxmerge.c;h=87cafa7021468d00a11c72dfdc1df05f1ede0fea;hb=31fbae0f813b47801ee79a464a8257346a5f8f2c;hp=1cb65a95166a8cb60af590118f59d78aa4d24b74;hpb=ef3a4fd670a4874f9b598ef96b10b89117b806e1;p=git.git

diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index 1cb65a951..87cafa702 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;
 	/*
@@ -145,13 +146,15 @@ static int xdl_orig_copy(xdfenv_t *xe, int i, int count, int add_nl, char *dest)
 static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
 			      xdfenv_t *xe2, const char *name2,
 			      int size, int i, int style,
-			      xdmerge_t *m, char *dest)
+			      xdmerge_t *m, char *dest, int marker_size)
 {
-	const int marker_size = 7;
 	int marker1_size = (name1 ? strlen(name1) + 1 : 0);
 	int marker2_size = (name2 ? strlen(name2) + 1 : 0);
 	int j;
 
+	if (marker_size <= 0)
+		marker_size = DEFAULT_CONFLICT_MARKER_SIZE;
+
 	/* Before conflicting part */
 	size += xdl_recs_copy(xe1, i, m->i1 - i, 0,
 			      dest ? dest + size : NULL);
@@ -214,22 +217,33 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
 
 static int xdl_fill_merge_buffer(xdfenv_t *xe1, const char *name1,
 				 xdfenv_t *xe2, const char *name2,
-				 xdmerge_t *m, char *dest, int style)
+				 int favor,
+				 xdmerge_t *m, char *dest, int style,
+				 int marker_size)
 {
 	int size, i;
 
 	for (size = i = 0; m; m = m->next) {
+		if (favor && !m->mode)
+			m->mode = favor;
+
 		if (m->mode == 0)
 			size = fill_conflict_hunk(xe1, name1, xe2, name2,
-						  size, i, style, m, dest);
-		else if (m->mode == 1)
-			size += xdl_recs_copy(xe1, i, m->i1 + m->chg1 - 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,
+						  size, i, style, m, dest,
+						  marker_size);
+		else if (m->mode & 3) {
+			/* Before conflicting part */
+			size += xdl_recs_copy(xe1, i, m->i1 - 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;
 	}
@@ -386,11 +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, xpparam_t const *xpp, 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 level = xmp->level;
+	int style = xmp->style;
+	int favor = xmp->favor;
 
 	if (style == XDL_MERGE_DIFF3) {
 		/*
@@ -522,26 +538,29 @@ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
 	}
 	/* output */
 	if (result) {
+		int marker_size = xmp->marker_size;
 		int size = xdl_fill_merge_buffer(xe1, name1, xe2, name2,
-			changes, NULL, style);
+						 favor, changes, NULL, style,
+						 marker_size);
 		result->ptr = xdl_malloc(size);
 		if (!result->ptr) {
 			xdl_cleanup_merge(changes);
 			return -1;
 		}
 		result->size = size;
-		xdl_fill_merge_buffer(xe1, name1, xe2, name2, changes,
-				      result->ptr, style);
+		xdl_fill_merge_buffer(xe1, name1, xe2, name2, favor, changes,
+				      result->ptr, style, marker_size);
 	}
 	return xdl_cleanup_merge(changes);
 }
 
 int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
 		mmfile_t *mf2, const char *name2,
-		xpparam_t const *xpp, int flags, mmbuffer_t *result) {
+		xmparam_t const *xmp, mmbuffer_t *result) {
 	xdchange_t *xscr1, *xscr2;
 	xdfenv_t xe1, xe2;
 	int status;
+	xpparam_t const *xpp = &xmp->xpp;
 
 	result->ptr = NULL;
 	result->size = 0;
@@ -574,7 +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, xpp, result);
+				      xmp, result);
 	}
 	xdl_free_script(xscr1);
 	xdl_free_script(xscr2);