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Remove undefined behaviors

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This commit is contained in:
Justine Tunney 2021-05-16 11:16:28 -07:00
parent 4864565198
commit b3838173ec
51 changed files with 756 additions and 1302 deletions
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6
test/libc/calls/sigaction_test.c
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@ -103,10 +103,14 @@ void OnFpe(int sig, struct siginfo *si, struct ucontext *ctx) {
ctx->uc_mcontext.rdx = 0;
}
TEST(sigaction, sigFpe_handlerCanEditProcessStateAndRecoverExecution) {
noubsan void ubsanTrumpsSystemsEngineering(void) {
struct sigaction saint = {.sa_sigaction = OnFpe, .sa_flags = SA_SIGINFO};
EXPECT_NE(-1, sigaction(SIGFPE, &saint, &oldsa));
volatile long x = 0;
EXPECT_EQ(42, 666 / x); /* systems engineering trumps math */
EXPECT_NE(-1, sigaction(SIGFPE, &oldsa, NULL));
}
TEST(sigaction, sigFpe_handlerCanEditProcessStateAndRecoverExecution) {
ubsanTrumpsSystemsEngineering();
}