kayomn
/
ona
1
0
Fork 0
Code Issues 8 Pull Requests Projects 4 Releases Activity

Fix allocation size info not updating in reallocs
continuous-integration/drone/push Build is passing Details
continuous-integration/drone/pr Build is passing Details

This commit is contained in:
kayomn 2023-06-04 13:44:27 +00:00
parent d378939f30
commit 155645a308
1 changed files with 17 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
source/ona/heap.zig
View File

@ -7,7 +7,7 @@ const ext = @import("./ext.zig");
const std = @import("std");
///
///
/// Recorded allocation info state.
///
const AllocationInfo = struct {
trace: AllocationTrace,
@ -16,7 +16,9 @@ const AllocationInfo = struct {
};
///
/// Recorded stack trace of allocation call site.
///
/// *Note* this structure is reduced to zero bytes in released builds optimized for speed or size.
///
const AllocationTrace = std.debug.ConfigurableTrace(2, 4, switch (builtin.mode) {
.Debug, .ReleaseSafe => true,
@ -24,7 +26,7 @@ const AllocationTrace = std.debug.ConfigurableTrace(2, 4, switch (builtin.mode)
});
///
///
/// Heap allocation context.
///
const Context = struct {
allocation_info_head: ?*AllocationInfo = null,
@ -69,7 +71,7 @@ const Context = struct {
}
///
///
/// Returns the assumed pointer to the [AllocationInfo] address of `allocation`.
///
fn allocation_info_of(allocation: [*]u8) *AllocationInfo {
return @intToPtr(*AllocationInfo, @ptrToInt(allocation) - @sizeOf(AllocationInfo));
@ -159,9 +161,12 @@ const Context = struct {
if (target_allocation_info == allocation_info_head) {
self.allocation_info_head = allocation_info_head.next_info;
return @ptrCast([*]u8, ext.SDL_realloc(target_allocation_info, size) orelse {
return null;
})[allocation_info_size .. allocation_info_size + size];
const allocation_address = ext.SDL_realloc(target_allocation_info, size) orelse return null;
target_allocation_info.size = size;
return @ptrCast([*]u8, allocation_address)[
allocation_info_size .. (allocation_info_size + size)];
}
var previous_allocation_info = allocation_info_head;
@ -171,9 +176,12 @@ const Context = struct {
if (allocation_info == target_allocation_info) {
previous_allocation_info.next_info = allocation_info.next_info;
return @ptrCast([*]u8, ext.SDL_realloc(target_allocation_info, size) orelse {
return null;
})[allocation_info_size .. allocation_info_size + size];
const allocation_address = ext.SDL_realloc(target_allocation_info, size) orelse return null;
target_allocation_info.size = size;
return @ptrCast([*]u8, allocation_address)[
allocation_info_size .. (allocation_info_size + size)];
}
previous_allocation_info = allocation_info;