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vim-patch:9.1.1346: missing out-of-memory check in textformat.c (#33639)

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Problem:  missing out-of-memory check in textformat.c
Solution: add out-of-memory check, add small optimizations to
          internal_format() and same_leader() (John Marriott)

closes: vim/vim#17200

c25368ba14

Co-authored-by: John Marriott <basilisk@internode.on.net>
This commit is contained in:
zeertzjq
2025-04-26 07:42:24 +08:00
committed by GitHub
parent d01b2611a6
commit 766cd01ff2
1 changed files with 2 additions and 2 deletions
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4
src/nvim/textformat.c
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@@ -355,7 +355,7 @@ void internal_format(int textwidth, int second_indent, int flags, bool format_on
if (State & VREPLACE_FLAG) {
// In MODE_VREPLACE state, we will backspace over the text to be
// wrapped, so save a copy now to put on the next line.
saved_text = xstrdup(get_cursor_pos_ptr());
saved_text = xstrnsave(get_cursor_pos_ptr(), (size_t)get_cursor_pos_len());
curwin->w_cursor.col = orig_col;
saved_text[startcol] = NUL;
@@ -547,7 +547,7 @@ static bool same_leader(linenr_T lnum, int leader1_len, char *leader1_flags, int
// Get current line and next line, compare the leaders.
// The first line has to be saved, only one line can be locked at a time.
char *line1 = xstrdup(ml_get(lnum));
char *line1 = xstrnsave(ml_get(lnum), (size_t)ml_get_len(lnum));
for (idx1 = 0; ascii_iswhite(line1[idx1]); idx1++) {}
char *line2 = ml_get(lnum + 1);
for (idx2 = 0; idx2 < leader2_len; idx2++) {