depot/third_party/nixpkgs/pkgs/applications/virtualization/qemu/canokey-qemu-memcpy.patch
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GitOrigin-RevId: e8057b67ebf307f01bdcc8fba94d94f75039d1f6
2024-06-05 17:53:02 +02:00

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From 9e59480d941c40b868ebafa5138bbc71ca87f08e Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Sat, 18 May 2024 09:55:17 +0200
Subject: [PATCH] Fix build where memcpy is a macro
I got the following compiler error with Clang 16 building for
x86_64-apple-darwin:
/tmp/nix-build-canokey-qemu-0-unstable-2023-06-06.drv-0/source/canokey-core/applets/oath/oath.c:44:50: error: too many arguments provided to function-like macro invocation
memcpy(RDATA, (uint8_t[]){OATH_TAG_VERSION, 3, 0x05, 0x05, 0x05, OATH_TAG_NAME, HANDLE_LEN}, 7);
^
/nix/store/vw8y07yai2pjv02s1piw3r5cyhmjbddf-Libsystem-1238.60.2/include/secure/_string.h:64:9: note: macro 'memcpy' defined here
#define memcpy(dest, src, len) \
^
/tmp/nix-build-canokey-qemu-0-unstable-2023-06-06.drv-0/source/canokey-core/applets/oath/oath.c:44:3: note: parentheses are required around macro argument containing braced initializer list
memcpy(RDATA, (uint8_t[]){OATH_TAG_VERSION, 3, 0x05, 0x05, 0x05, OATH_TAG_NAME, HANDLE_LEN}, 7);
^
( )
1 error generated.
Link: https://github.com/canokeys/canokey-core/pull/85
---
canokey-core/applets/oath/oath.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/canokey-core/applets/oath/oath.c b/canokey-core/applets/oath/oath.c
index bd8361a..2d2c0ef 100644
--- a/canokey-core/applets/oath/oath.c
+++ b/canokey-core/applets/oath/oath.c
@@ -41,7 +41,7 @@ int oath_install(uint8_t reset) {
static int oath_select(const CAPDU *capdu, RAPDU *rapdu) {
if (P2 != 0x00) EXCEPT(SW_WRONG_P1P2);
- memcpy(RDATA, (uint8_t[]){OATH_TAG_VERSION, 3, 0x05, 0x05, 0x05, OATH_TAG_NAME, HANDLE_LEN}, 7);
+ memcpy(RDATA, ((uint8_t[]){OATH_TAG_VERSION, 3, 0x05, 0x05, 0x05, OATH_TAG_NAME, HANDLE_LEN}), 7);
if (read_attr(OATH_FILE, ATTR_HANDLE, RDATA + 7, HANDLE_LEN) < 0) return -1;
LL = 7 + HANDLE_LEN;
--
2.44.0