diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/nvim/diff.c | 14 | ||||
| -rw-r--r-- | src/nvim/testdir/test_diffmode.vim | 37 |
2 files changed, 47 insertions, 4 deletions
diff --git a/src/nvim/diff.c b/src/nvim/diff.c index a6bbe40999..0b55fb877c 100644 --- a/src/nvim/diff.c +++ b/src/nvim/diff.c @@ -743,11 +743,16 @@ static int diff_write_buffer(buf_T *buf, diffin_T *din) for (linenr_T lnum = 1; lnum <= buf->b_ml.ml_line_count; lnum++) { for (char_u *s = ml_get_buf(buf, lnum, false); *s != NUL;) { if (diff_flags & DIFF_ICASE) { + int c; char_u cbuf[MB_MAXBYTES + 1]; - // xdiff doesn't support ignoring case, fold-case the text. - int c = utf_ptr2char(s); - c = utf_fold(c); + if (*s == NL) { + c = NUL; + } else { + // xdiff doesn't support ignoring case, fold-case the text. + c = utf_ptr2char(s); + c = utf_fold(c); + } const int orig_len = utfc_ptr2len(s); if (utf_char2bytes(c, cbuf) != orig_len) { // TODO(Bram): handle byte length difference @@ -759,7 +764,8 @@ static int diff_write_buffer(buf_T *buf, diffin_T *din) s += orig_len; len += orig_len; } else { - ptr[len++] = *s++; + ptr[len++] = *s == NL ? NUL : *s; + s++; } } ptr[len++] = NL; diff --git a/src/nvim/testdir/test_diffmode.vim b/src/nvim/testdir/test_diffmode.vim index 10eb979b45..be9a77ee75 100644 --- a/src/nvim/testdir/test_diffmode.vim +++ b/src/nvim/testdir/test_diffmode.vim @@ -1295,4 +1295,41 @@ func Test_diff_filler_cursorcolumn() endfunc +func Test_diff_binary() + CheckScreendump + + let content =<< trim END + call setline(1, ['a', 'b', "c\n", 'd', 'e', 'f', 'g']) + vnew + call setline(1, ['A', 'b', 'c', 'd', 'E', 'f', 'g']) + windo diffthis + wincmd p + norm! gg0 + redraw! + END + call writefile(content, 'Xtest_diff_bin') + let buf = RunVimInTerminal('-S Xtest_diff_bin', {}) + + " Test using internal diff + call VerifyScreenDump(buf, 'Test_diff_bin_01', {}) + + " Test using internal diff and case folding + call term_sendkeys(buf, ":set diffopt+=icase\<cr>") + call term_sendkeys(buf, "\<C-l>") + call VerifyScreenDump(buf, 'Test_diff_bin_02', {}) + " Test using external diff + call term_sendkeys(buf, ":set diffopt=filler\<cr>") + call term_sendkeys(buf, "\<C-l>") + call VerifyScreenDump(buf, 'Test_diff_bin_03', {}) + " Test using external diff and case folding + call term_sendkeys(buf, ":set diffopt=filler,icase\<cr>") + call term_sendkeys(buf, "\<C-l>") + call VerifyScreenDump(buf, 'Test_diff_bin_04', {}) + + " clean up + call StopVimInTerminal(buf) + call delete('Xtest_diff_bin') + set diffopt&vim +endfunc + " vim: shiftwidth=2 sts=2 expandtab |