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Make minor improvements

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This commit is contained in:
Justine Tunney 2020-12-19 11:21:04 -08:00
parent 1fc91f3580
commit b562d6fdb3
41 changed files with 1948 additions and 92 deletions
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26
test/libc/str/strcpy_test.c
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@ -27,6 +27,32 @@ TEST(strcpy, test) {
EXPECT_STREQ("hello there what's up", strcpy(buf, "hello there what's up"));
}
TEST(strncpy, test) {
char b[8] = {0, 1, 2, 3, 4, 5, 6, 7};
strncpy(b, "key", 8);
ASSERT_EQ('k', b[0]);
ASSERT_EQ('e', b[1]);
ASSERT_EQ('y', b[2]);
ASSERT_EQ('\0', b[3]);
ASSERT_EQ('\0', b[4]);
ASSERT_EQ('\0', b[5]);
ASSERT_EQ('\0', b[6]);
ASSERT_EQ('\0', b[7]);
}
TEST(strncpy, testSameLength_isNotNulTerminated) {
char b[8] = {0, 1, 2, 3, 4, 5, 6, 7};
strncpy(b, "keyword", 7);
ASSERT_EQ('k', b[0]);
ASSERT_EQ('e', b[1]);
ASSERT_EQ('y', b[2]);
ASSERT_EQ('w', b[3]);
ASSERT_EQ('o', b[4]);
ASSERT_EQ('r', b[5]);
ASSERT_EQ('d', b[6]);
ASSERT_EQ(7, b[7]);
}
BENCH(strcpy, bench) {
extern char *strcpy_(char *, const char *) asm("strcpy");
static char buf[1024], buf2[1024];