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| author | LemonBoy <thatlemon@gmail.com> | 2021-02-25 09:03:24 +0100 |
|---|---|---|
| committer | Veikka Tuominen <git@vexu.eu> | 2021-02-25 22:20:30 +0200 |
| commit | 53cc63f0c91ce9f6f9c81f87e2673c5adfe1afe7 (patch) | |
| tree | 2135fcf617a8b7c2136740160f3dc3b547d27b78 /lib/std | |
| parent | 449f4de3825d3448c2aa0cda79c1a567adb08b59 (diff) | |
| download | zig-53cc63f0c91ce9f6f9c81f87e2673c5adfe1afe7.tar.gz zig-53cc63f0c91ce9f6f9c81f87e2673c5adfe1afe7.zip | |
std: Clear old memory on free
Re-enable the clear-on-free step, it was previously disabled due to
translate-c using freed memory.
Diffstat (limited to 'lib/std')
| -rw-r--r-- | lib/std/mem/Allocator.zig | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/lib/std/mem/Allocator.zig b/lib/std/mem/Allocator.zig index 11fab03cee..6cc888fa10 100644 --- a/lib/std/mem/Allocator.zig +++ b/lib/std/mem/Allocator.zig @@ -146,12 +146,8 @@ fn moveBytes( assert(new_len > 0); const new_mem = try self.allocFn(self, new_len, new_alignment, len_align, return_address); @memcpy(new_mem.ptr, old_mem.ptr, math.min(new_len, old_mem.len)); - // TODO DISABLED TO AVOID BUGS IN TRANSLATE C - // TODO see also https://github.com/ziglang/zig/issues/4298 - // use './zig build test-translate-c' to reproduce, some of the symbols in the - // generated C code will be a sequence of 0xaa (the undefined value), meaning - // it is printing data that has been freed - //@memset(old_mem.ptr, undefined, old_mem.len); + // TODO https://github.com/ziglang/zig/issues/4298 + @memset(old_mem.ptr, undefined, old_mem.len); _ = self.shrinkBytes(old_mem, old_align, 0, 0, return_address); return new_mem; } |