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Set errno when out of range in strtoimax (#111)

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Alison Winters 2021-03-07 14:38:56 -08:00 • committed by GitHub
parent f5da4efcaf
commit 8a6ac6dd63
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5 changed files with 29 additions and 5 deletions
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5
test/libc/fmt/strtoumax_test.c
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@ -46,3 +46,8 @@ TEST(strtoumax, testMaximum) {
EXPECT_EQ(UINTMAX_MAX,
strtoumax("0xffffffffffffffffffffffffffffffff", NULL, 0));
}
TEST(strtoumax, testTwosBane) {
EXPECT_EQ(((uintmax_t)0x8000000000000000) << 64 | 0x0000000000000000,
strtoumax("0x80000000000000000000000000000000", NULL, 0));
}