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fix: memory leaks in operations that call cut_selection or cut_to

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This commit is contained in:
CJ van den Berg 2025-10-13 13:22:26 +02:00
parent 06788c4243
commit b7343219c1
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
2 changed files with 29 additions and 21 deletions
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48
src/tui/editor.zig
View file

@ -2612,11 +2612,11 @@ pub const Editor = struct {
return try copy_selection(root, sel.*, text_allocator, self.metrics);
}
pub fn cut_selection(self: *Self, root: Buffer.Root, cursel: *CurSel) !struct { []const u8, Buffer.Root } {
pub fn cut_selection(self: *Self, root: Buffer.Root, cursel: *CurSel, text_allocator: Allocator) !struct { []const u8, Buffer.Root } {
return if (cursel.selection) |sel| ret: {
var old_selection: Selection = sel;
old_selection.normalize();
const cut_text = try copy_selection(root, sel, self.allocator, self.metrics);
const cut_text = try copy_selection(root, sel, text_allocator, self.metrics);
if (cut_text.len > 100) {
self.logger.print("cut:{f}...", .{std.ascii.hexEscape(cut_text[0..100], .lower)});
} else {
@ -2652,41 +2652,43 @@ pub const Editor = struct {
return root_;
}
pub fn cut_to(self: *Self, move: cursor_operator_const, root_: Buffer.Root) !struct { []const u8, Buffer.Root } {
pub fn cut_to(self: *Self, move: cursor_operator_const, root_: Buffer.Root, text_allocator: Allocator) !struct { []const u8, Buffer.Root } {
var all_stop = true;
var root = root_;
var text = std.ArrayListUnmanaged(u8).empty;
defer text.deinit(self.allocator);
defer text.deinit(text_allocator);
var first = true;
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
if (cursel.selection) |_| {
const cut_text, root = self.cut_selection(root, cursel) catch continue;
const cut_text, root = self.cut_selection(root, cursel, text_allocator) catch continue;
defer text_allocator.free(cut_text);
all_stop = false;
if (first) {
first = false;
} else {
try text.appendSlice(self.allocator, "\n");
try text.appendSlice(text_allocator, "\n");
}
try text.appendSlice(self.allocator, cut_text);
try text.appendSlice(text_allocator, cut_text);
continue;
}
with_selection_const(root, move, cursel, self.metrics) catch continue;
const cut_text, root = self.cut_selection(root, cursel) catch continue;
const cut_text, root = self.cut_selection(root, cursel, text_allocator) catch continue;
defer text_allocator.free(cut_text);
if (first) {
first = false;
} else {
try text.appendSlice(self.allocator, "\n");
try text.appendSlice(text_allocator, "\n");
}
try text.appendSlice(self.allocator, cut_text);
try text.appendSlice(text_allocator, cut_text);
all_stop = false;
};
if (all_stop)
return error.Stop;
return .{ try text.toOwnedSlice(self.allocator), root };
return .{ try text.toOwnedSlice(text_allocator), root };
}
pub fn cut_internal_vim(self: *Self, _: Context) Result {
@ -2705,7 +2707,8 @@ pub const Editor = struct {
};
var first = true;
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
const cut_text, root = try self.cut_selection(root, cursel);
const cut_text, root = try self.cut_selection(root, cursel, self.allocator);
defer self.allocator.free(cut_text);
if (first) {
first = false;
} else {
@ -2740,7 +2743,8 @@ pub const Editor = struct {
var text = std.ArrayListUnmanaged(u8).empty;
defer text.deinit(self.allocator);
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
const cut_text, root = try self.cut_selection(root, cursel);
const cut_text, root = try self.cut_selection(root, cursel, self.allocator);
defer self.allocator.free(cut_text);
if (first) {
first = false;
} else {
@ -2770,6 +2774,8 @@ pub const Editor = struct {
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
if (cursel.selection) |sel| {
const copy_text = try copy_selection(root, sel, self.allocator, self.metrics);
defer self.allocator.free(copy_text);
if (first) {
first = false;
} else {
@ -2866,6 +2872,7 @@ pub const Editor = struct {
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
if (cursel.selection) |sel| {
const copy_text = try copy_selection(root, sel, self.allocator, self.metrics);
defer self.allocator.free(copy_text);
if (first) {
first = false;
} else {
@ -2901,6 +2908,7 @@ pub const Editor = struct {
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
if (cursel.selection) |sel| {
const copy_text = try copy_selection(root, sel, self.allocator, self.metrics);
defer self.allocator.free(copy_text);
if (first) {
first = false;
} else {
@ -3010,7 +3018,7 @@ pub const Editor = struct {
pub fn cut_forward_internal(self: *Self, _: Context) Result {
const b = try self.buf_for_update();
const text, const root = try self.cut_to(move_cursor_right, b.root);
const text, const root = try self.cut_to(move_cursor_right, b.root, self.allocator);
self.set_clipboard_internal(text);
try self.update_buf(root);
self.clamp();
@ -3094,7 +3102,7 @@ pub const Editor = struct {
pub fn cut_buffer_end(self: *Self, _: Context) Result {
const b = try self.buf_for_update();
const text, const root = try self.cut_to(move_cursor_buffer_end, b.root);
const text, const root = try self.cut_to(move_cursor_buffer_end, b.root, self.allocator);
self.set_clipboard_internal(text);
try self.update_buf(root);
self.clamp();
@ -3103,7 +3111,7 @@ pub const Editor = struct {
pub fn cut_buffer_begin(self: *Self, _: Context) Result {
const b = try self.buf_for_update();
const text, const root = try self.cut_to(move_cursor_buffer_begin, b.root);
const text, const root = try self.cut_to(move_cursor_buffer_begin, b.root, self.allocator);
self.set_clipboard_internal(text);
try self.update_buf(root);
self.clamp();
@ -3112,7 +3120,7 @@ pub const Editor = struct {
pub fn cut_word_left_vim(self: *Self, _: Context) Result {
const b = try self.buf_for_update();
const text, const root = try self.cut_to(move_cursor_word_left_vim, b.root);
const text, const root = try self.cut_to(move_cursor_word_left_vim, b.root, self.allocator);
self.set_clipboard_internal(text);
try self.update_buf(root);
self.clamp();
@ -3129,7 +3137,7 @@ pub const Editor = struct {
pub fn cut_word_right_vim(self: *Self, _: Context) Result {
const b = try self.buf_for_update();
const text, const root = try self.cut_to(move_cursor_word_right_vim, b.root);
const text, const root = try self.cut_to(move_cursor_word_right_vim, b.root, self.allocator);
self.set_clipboard_internal(text);
try self.update_buf(root);
self.clamp();
@ -3154,7 +3162,7 @@ pub const Editor = struct {
pub fn cut_to_end_vim(self: *Self, _: Context) Result {
const b = try self.buf_for_update();
const text, const root = try self.cut_to(move_cursor_end_vim, b.root);
const text, const root = try self.cut_to(move_cursor_end_vim, b.root, self.allocator);
self.set_clipboard_internal(text);
try self.update_buf(root);
self.clamp();
@ -5038,8 +5046,8 @@ pub const Editor = struct {
pub fn find_word_at_cursor(self: *Self, ctx: Context) Result {
_ = ctx;
const query: []const u8 = try self.copy_word_at_cursor(self.allocator);
defer self.allocator.free(query);
try self.find_in_buffer(query);
self.allocator.free(query);
}
pub const find_word_at_cursor_meta: Meta = .{ .description = "Search for the word under the cursor" };

2
src/tui/mode/helix.zig
View file

@ -306,7 +306,7 @@ const cmds_ = struct {
const mv = tui.mainview() orelse return;
const ed = mv.get_active_editor() orelse return;
const b = try ed.buf_for_update();
const text, const root = try ed.cut_to(move_noop, b.root);
const text, const root = try ed.cut_to(move_noop, b.root, ed.allocator);
ed.set_clipboard_internal(text);
try ed.update_buf(root);
ed.clamp();