Merge branch 'mg/status-b'

diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index c901ecb99c3369febcd7b8f66c3ededf31fc59ea..6d6fc1bc5e01be7305ec5101f43645a1dce69bd3 100644 (file)
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
@@ -145,12 +145,13 @@ 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,
+                             const char *name3,
                              int size, int i, int style,
                              xdmerge_t *m, char *dest, int marker_size)
 {
        int marker1_size = (name1 ? strlen(name1) + 1 : 0);
        int marker2_size = (name2 ? strlen(name2) + 1 : 0);
-       int j;
+       int marker3_size = (name3 ? strlen(name3) + 1 : 0);
 
        if (marker_size <= 0)
                marker_size = DEFAULT_CONFLICT_MARKER_SIZE;
@@ -162,8 +163,8 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
        if (!dest) {
                size += marker_size + 1 + marker1_size;
        } else {
-               for (j = 0; j < marker_size; j++)
-                       dest[size++] = '<';
+               memset(dest + size, '<', marker_size);
+               size += marker_size;
                if (marker1_size) {
                        dest[size] = ' ';
                        memcpy(dest + size + 1, name1, marker1_size - 1);
@@ -179,10 +180,15 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
        if (style == XDL_MERGE_DIFF3) {
                /* Shared preimage */
                if (!dest) {
-                       size += marker_size + 1;
+                       size += marker_size + 1 + marker3_size;
                } else {
-                       for (j = 0; j < marker_size; j++)
-                               dest[size++] = '|';
+                       memset(dest + size, '|', marker_size);
+                       size += marker_size;
+                       if (marker3_size) {
+                               dest[size] = ' ';
+                               memcpy(dest + size + 1, name3, marker3_size - 1);
+                               size += marker3_size;
+                       }
                        dest[size++] = '\n';
                }
                size += xdl_orig_copy(xe1, m->i0, m->chg0, 1,
@@ -192,8 +198,8 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
        if (!dest) {
                size += marker_size + 1;
        } else {
-               for (j = 0; j < marker_size; j++)
-                       dest[size++] = '=';
+               memset(dest + size, '=', marker_size);
+               size += marker_size;
                dest[size++] = '\n';
        }
 
@@ -203,8 +209,8 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1,
        if (!dest) {
                size += marker_size + 1 + marker2_size;
        } else {
-               for (j = 0; j < marker_size; j++)
-                       dest[size++] = '>';
+               memset(dest + size, '>', marker_size);
+               size += marker_size;
                if (marker2_size) {
                        dest[size] = ' ';
                        memcpy(dest + size + 1, name2, marker2_size - 1);
@@ -217,6 +223,7 @@ 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,
+                                const char *ancestor_name,
                                 int favor,
                                 xdmerge_t *m, char *dest, int style,
                                 int marker_size)
@@ -229,6 +236,7 @@ static int xdl_fill_merge_buffer(xdfenv_t *xe1, const char *name1,
 
                if (m->mode == 0)
                        size = fill_conflict_hunk(xe1, name1, xe2, name2,
+                                                 ancestor_name,
                                                  size, i, style, m, dest,
                                                  marker_size);
                else if (m->mode & 3) {
@@ -398,15 +406,19 @@ static int xdl_simplify_non_conflicts(xdfenv_t *xe1, xdmerge_t *m,
  *
  * returns < 0 on error, == 0 for no conflicts, else number of conflicts
  */
-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) {
+static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1,
+               xdfenv_t *xe2, xdchange_t *xscr2,
+               xmparam_t const *xmp, mmbuffer_t *result)
+{
        xdmerge_t *changes, *c;
        xpparam_t const *xpp = &xmp->xpp;
+       const char *const ancestor_name = xmp->ancestor;
+       const char *const name1 = xmp->file1;
+       const char *const name2 = xmp->file2;
        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) {
                /*
@@ -540,6 +552,7 @@ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
        if (result) {
                int marker_size = xmp->marker_size;
                int size = xdl_fill_merge_buffer(xe1, name1, xe2, name2,
+                                                ancestor_name,
                                                 favor, changes, NULL, style,
                                                 marker_size);
                result->ptr = xdl_malloc(size);
@@ -548,15 +561,16 @@ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
                        return -1;
                }
                result->size = size;
-               xdl_fill_merge_buffer(xe1, name1, xe2, name2, favor, changes,
+               xdl_fill_merge_buffer(xe1, name1, xe2, name2,
+                                     ancestor_name, 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,
-               xmparam_t const *xmp, int flags, mmbuffer_t *result) {
+int xdl_merge(mmfile_t *orig, mmfile_t *mf1, mmfile_t *mf2,
+               xmparam_t const *xmp, mmbuffer_t *result)
+{
        xdchange_t *xscr1, *xscr2;
        xdfenv_t xe1, xe2;
        int status;
@@ -591,9 +605,9 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
                memcpy(result->ptr, mf1->ptr, mf1->size);
                result->size = mf1->size;
        } else {
-               status = xdl_do_merge(&xe1, xscr1, name1,
-                                     &xe2, xscr2, name2,
-                                     flags, xmp, result);
+               status = xdl_do_merge(&xe1, xscr1,
+                                     &xe2, xscr2,
+                                     xmp, result);
        }
        xdl_free_script(xscr1);
        xdl_free_script(xscr2);