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Set errno in strtol family of functions (#110)

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Alison Winters 2021-03-07 14:18:08 -08:00 • committed by GitHub
parent b16b332539
commit f5da4efcaf
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6 changed files with 57 additions and 13 deletions
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16
test/libc/fmt/strtoimax_test.c
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@ -19,6 +19,7 @@
#include "libc/bits/bits.h"
#include "libc/fmt/conv.h"
#include "libc/testlib/testlib.h"
#include "libc/errno.h"
TEST(strtoimax, testZero) {
EXPECT_EQ(0, strtoimax("0", NULL, 0));
@ -57,6 +58,17 @@ TEST(strtoimax, testTwosBane) {
strtoimax("0x80000000000000000000000000000000", NULL, 0));
}
TEST(strtol, neghex) {
ASSERT_EQ(-16, strtol("0xfffffffffffffff0", NULL, 0));
TEST(strtoul, neghex) {
errno = 0;
ASSERT_EQ(-16, (long) strtoul("0xfffffffffffffff0", NULL, 0));
EXPECT_EQ(0, errno);
}
TEST(strtol, testOutsideLimit) {
errno = 0;
EXPECT_EQ(0x7fffffffffffffff, strtol("0x8000000000000000", NULL, 0));
EXPECT_EQ(ERANGE, errno);
errno = 0;
EXPECT_EQ(0x8000000000000000, strtol("-0x8000000000000001", NULL, 0));
EXPECT_EQ(ERANGE, errno);
}