diff options
Diffstat (limited to 'src/nvim/misc1.c')
| -rw-r--r-- | src/nvim/misc1.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/src/nvim/misc1.c b/src/nvim/misc1.c index f7ee2950ef..b0232b6516 100644 --- a/src/nvim/misc1.c +++ b/src/nvim/misc1.c @@ -749,8 +749,9 @@ open_line ( // Postpone calling changed_lines(), because it would mess up folding // with markers. // Skip mark_adjust when adding a line after the last one, there can't - // be marks there. - if (curwin->w_cursor.lnum + 1 < curbuf->b_ml.ml_line_count) { + // be marks there. But still needed in diff mode. + if (curwin->w_cursor.lnum + 1 < curbuf->b_ml.ml_line_count + || curwin->w_p_diff) { mark_adjust(curwin->w_cursor.lnum + 1, (linenr_T)MAXLNUM, 1L, 0L, false); } did_append = true; @@ -1468,7 +1469,7 @@ void ins_char_bytes(char_u *buf, size_t charlen) } } - char_u *newp = (char_u *) xmalloc((size_t)(linelen + newlen - oldlen)); + char_u *newp = xmalloc((size_t)(linelen + newlen - oldlen)); // Copy bytes before the cursor. if (col > 0) { @@ -1477,7 +1478,10 @@ void ins_char_bytes(char_u *buf, size_t charlen) // Copy bytes after the changed character(s). char_u *p = newp + col; - memmove(p + newlen, oldp + col + oldlen, (size_t)(linelen - col - oldlen)); + if (linelen > col + oldlen) { + memmove(p + newlen, oldp + col + oldlen, + (size_t)(linelen - col - oldlen)); + } // Insert or overwrite the new character. memmove(p, buf, charlen); @@ -1864,8 +1868,8 @@ void appended_lines(linenr_T lnum, long count) void appended_lines_mark(linenr_T lnum, long count) { // Skip mark_adjust when adding a line after the last one, there can't - // be marks there. - if (lnum + count < curbuf->b_ml.ml_line_count) { + // be marks there. But it's still needed in diff mode. + if (lnum + count < curbuf->b_ml.ml_line_count || curwin->w_p_diff) { mark_adjust(lnum + 1, (linenr_T)MAXLNUM, count, 0L, false); } changed_lines(lnum + 1, 0, lnum + 1, count); @@ -2609,13 +2613,12 @@ int match_user(char_u *name) return result; } -/* - * Preserve files and exit. - * When called IObuff must contain a message. - * NOTE: This may be called from deathtrap() in a signal handler, avoid unsafe - * functions, such as allocating memory. - */ +/// Preserve files and exit. +/// @note IObuff must contain a message. +/// @note This may be called from deadly_signal() in a signal handler, avoid +/// unsafe functions, such as allocating memory. void preserve_exit(void) + FUNC_ATTR_NORETURN { // 'true' when we are sure to exit, e.g., after a deadly signal static bool really_exiting = false; |