diff options
Diffstat (limited to 'third_party/nix/src/libmain/stack.cc')
| -rw-r--r-- | third_party/nix/src/libmain/stack.cc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/third_party/nix/src/libmain/stack.cc b/third_party/nix/src/libmain/stack.cc index c7744f69c82c..c60a53968f8f 100644 --- a/third_party/nix/src/libmain/stack.cc +++ b/third_party/nix/src/libmain/stack.cc @@ -9,14 +9,14 @@ namespace nix { -static void sigsegvHandler(int signo, siginfo_t* info, void* ctx) { +static void sigsegvHandler(int _signo, siginfo_t* info, void* ctx) { /* Detect stack overflows by comparing the faulting address with the stack pointer. Unfortunately, getting the stack pointer is not portable. */ bool haveSP = true; char* sp = nullptr; #if defined(__x86_64__) && defined(REG_RSP) - sp = (char*)((ucontext_t*)ctx)->uc_mcontext.gregs[REG_RSP]; + sp = (char*)(static_cast<ucontext_t*>(ctx))->uc_mcontext.gregs[REG_RSP]; #elif defined(REG_ESP) sp = (char*)((ucontext_t*)ctx)->uc_mcontext.gregs[REG_ESP]; #else @@ -24,7 +24,7 @@ static void sigsegvHandler(int signo, siginfo_t* info, void* ctx) { #endif if (haveSP) { - ptrdiff_t diff = (char*)info->si_addr - sp; + ptrdiff_t diff = static_cast<char*>(info->si_addr) - sp; if (diff < 0) { diff = -diff; } @@ -36,7 +36,7 @@ static void sigsegvHandler(int signo, siginfo_t* info, void* ctx) { } /* Restore default behaviour (i.e. segfault and dump core). */ - struct sigaction act; + struct sigaction act {}; sigfillset(&act.sa_mask); act.sa_handler = SIG_DFL; act.sa_flags = 0; @@ -62,7 +62,7 @@ void detectStackOverflow() { throw SysError("cannot set alternative stack"); } - struct sigaction act; + struct sigaction act {}; sigfillset(&act.sa_mask); act.sa_sigaction = sigsegvHandler; act.sa_flags = SA_SIGINFO | SA_ONSTACK; |