diff options
Diffstat (limited to 'xdiff/xmerge.c')
| -rw-r--r-- | xdiff/xmerge.c | 63 |
1 files changed, 42 insertions, 21 deletions
diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c index 8cbe45e675..16dd9acd37 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; /* @@ -144,11 +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 marker3_size = (name3 ? strlen(name3) + 1 : 0); int j; if (marker_size <= 0) @@ -178,10 +181,15 @@ 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++] = '|'; + 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, @@ -216,6 +224,7 @@ 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) @@ -228,16 +237,22 @@ 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 == 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, + 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; } @@ -392,15 +407,19 @@ 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) { /* @@ -534,6 +553,7 @@ 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); @@ -542,15 +562,16 @@ 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; @@ -585,9 +606,9 @@ 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); |