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tests/test_strings.c xnu-12377.101.15 /dev/null
--- xnu/xnu-12377.101.15/tests/test_strings.c
+++ /dev/null
@@ -1,298 +0,0 @@
-#define _FORTIFY_SOURCE 0
-#define __arch_memcmp_zero_ptr_aligned
-
-/* must include first because otherwise header guard conflicts with SDK's
- * string.h (quite reasonably)
- */
-#include "../osfmk/libsa/string.h"
-
-char *strerror(int);
-char *itoa(int, char *);
-
-#include <darwintest.h>
-#include <darwintest_utils.h>
-
-#pragma clang diagnostic ignored "-Wlanguage-extension-token"
-#pragma clang diagnostic ignored "-Wformat-pedantic"
-
-#define DEVELOPMENT 0
-#define DEBUG 0
-#define XNU_KERNEL_PRIVATE 1
-
-__printflike(1, 2) __attribute__((noreturn))
-static void
-panic(const char *fmt, ...)
-{
-	va_list ap;
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	abort();
-}
-
-#include "../libkern/libkern/section_keywords.h"
-#include "../osfmk/machine/string.h"
-#include "../osfmk/device/subrs.c"
-
-#pragma clang diagnostic ignored "-Wdeclaration-after-statement"
-#pragma clang diagnostic ignored "-Wgnu-designator"
-
-T_GLOBAL_META(
-	T_META_RUN_CONCURRENTLY(true),
-	T_META_TAG_VM_PREFERRED);
-
-T_DECL(strbufcmp, "strbufcmp") {
-#define T_COMPARE(A, AS, B, BS, EQ) T_ASSERT_EQ(strbufcmp_impl((A), (AS), (B), (BS)), (EQ), "compare '%s'.%zu, '%s'.%zu", (A), (AS), (B), (BS))
-	// two identical strings
-	char a[] = "hello";
-	char b[] = "hello";
-	T_COMPARE(a, sizeof(a), b, sizeof(b), 0);
-	T_COMPARE(b, sizeof(b), a, sizeof(a), 0);
-
-	// the same string
-	T_COMPARE(a, sizeof(a), b, sizeof(b), 0);
-	T_COMPARE(b, sizeof(b), a, sizeof(a), 0);
-
-	// two different strings
-	char c[] = "world";
-	T_COMPARE(a, sizeof(a), c, sizeof(c), a[0] - c[0]);
-	T_COMPARE(c, sizeof(c), a, sizeof(a), c[0] - a[0]);
-	char d[] = "hellp";
-	T_COMPARE(a, sizeof(a), d, sizeof(d), 'o' - 'p');
-	T_COMPARE(d, sizeof(d), a, sizeof(a), 'p' - 'o');
-
-	// strings of different size
-	char e[] = "aaaa";
-	char f[] = "aaaab";
-	T_COMPARE(e, sizeof(e), f, sizeof(f), 0 - 'b');
-	T_COMPARE(f, sizeof(f), e, sizeof(e), 'b' - 0);
-
-	// strings that are not NUL-terminated
-	T_COMPARE(a, sizeof(a) - 1, b, sizeof(b) - 1, 0);
-	T_COMPARE(b, sizeof(b) - 1, a, sizeof(a) - 1, 0);
-	T_COMPARE(a, sizeof(a) - 1, d, sizeof(d) - 1, 'o' - 'p');
-	T_COMPARE(d, sizeof(d) - 1, a, sizeof(a) - 1, 'p' - 'o');
-	T_COMPARE(e, sizeof(e) - 1, f, sizeof(f) - 1, 0 - 'b');
-	T_COMPARE(f, sizeof(f) - 1, e, sizeof(e) - 1, 'b' - 0);
-#undef T_COMPARE
-}
-
-T_DECL(strlcmp, "strlcmp") {
-#define T_COMPARE(A, AS, B, EQ) T_ASSERT_EQ(strlcmp_impl((A), (B), (AS)), (EQ), "compare '%s'.%zu, '%s'", (A), (AS), (B))
-	// two identical strings
-	char a[] = "hello";
-	char b[] = "hello";
-	T_COMPARE(a, sizeof(a), b, 0);
-	T_COMPARE(b, sizeof(b), a, 0);
-
-	// the same string
-	T_COMPARE(a, sizeof(a), b, 0);
-	T_COMPARE(b, sizeof(b), a, 0);
-
-	// two different strings
-	char c[] = "world";
-	T_COMPARE(a, sizeof(a), c, a[0] - c[0]);
-	T_COMPARE(c, sizeof(c), a, c[0] - a[0]);
-	char d[] = "hellp";
-	T_COMPARE(a, sizeof(a), d, 'o' - 'p');
-	T_COMPARE(d, sizeof(d), a, 'p' - 'o');
-
-	// strings of different size
-	char e[] = "aaaa";
-	char f[] = "aaaab";
-	T_COMPARE(e, sizeof(e), f, 0 - 'b');
-	T_COMPARE(f, sizeof(f), e, 'b' - 0);
-
-	// strings that are not NUL-terminated
-	T_COMPARE(a, sizeof(a) - 1, b, 0);
-	T_COMPARE(b, sizeof(b) - 1, a, 0);
-	T_COMPARE(a, sizeof(a) - 1, d, 'o' - 'p');
-	T_COMPARE(d, sizeof(d) - 1, a, 'p' - 'o');
-	T_COMPARE(e, sizeof(e) - 1, f, 0 - 'b');
-	T_COMPARE(f, sizeof(f) - 1, e, 'b' - 0);
-#undef T_COMPARE
-}
-
-T_DECL(strbufcasecmp, "strbufcasecmp") {
-#define T_COMPARE(A, AS, B, BS, EQ) T_ASSERT_EQ(strbufcasecmp_impl((A), (AS), (B), (BS)), (EQ), "case-insensitive compare '%s'.%zu, '%s'.%zu", (A), (AS), (B), (BS))
-	// same tests as strcasecmp, then tests with individual characters
-	// two identical strings
-	char a[] = "hElLo";
-	char b[] = "HeLlO";
-	T_COMPARE(a, sizeof(a), b, sizeof(b), 0);
-	T_COMPARE(b, sizeof(b), a, sizeof(a), 0);
-
-	// the same string
-	T_COMPARE(a, sizeof(a), b, sizeof(b), 0);
-	T_COMPARE(b, sizeof(b), a, sizeof(a), 0);
-
-	// two different strings
-	char c[] = "world";
-	T_COMPARE(a, sizeof(a), c, sizeof(c), a[0] - c[0]);
-	T_COMPARE(c, sizeof(c), a, sizeof(a), c[0] - a[0]);
-	char d[] = "hellp";
-	T_COMPARE(a, sizeof(a), d, sizeof(d), 'o' - 'p');
-	T_COMPARE(d, sizeof(d), a, sizeof(a), 'p' - 'o');
-
-	// strings of different size
-	char e[] = "aAaA";
-	char f[] = "AaAaB";
-	T_COMPARE(e, sizeof(e), f, sizeof(f), 0 - 'b');
-	T_COMPARE(f, sizeof(f), e, sizeof(e), 'b' - 0);
-
-	// strings that are not NUL-terminated
-	T_COMPARE(a, sizeof(a) - 1, b, sizeof(b) - 1, 0);
-	T_COMPARE(b, sizeof(b) - 1, a, sizeof(a) - 1, 0);
-	T_COMPARE(a, sizeof(a) - 1, d, sizeof(d) - 1, 'o' - 'p');
-	T_COMPARE(d, sizeof(d) - 1, a, sizeof(a) - 1, 'p' - 'o');
-	T_COMPARE(e, sizeof(e) - 1, f, sizeof(f) - 1, 0 - 'b');
-	T_COMPARE(f, sizeof(f) - 1, e, sizeof(e) - 1, 'b' - 0);
-#undef T_COMPARE
-}
-
-T_DECL(strlcasecmp, "strlcasecmp") {
-#define T_COMPARE(A, AS, B, EQ) T_ASSERT_EQ(strlcasecmp_impl((A), (B), (AS)), (EQ), "case-insensitive compare '%s'.%zu, '%s'", (A), (AS), (B))
-	// same tests as strcasecmp, then tests with individual characters
-	// two identical strings
-	char a[] = "hElLo";
-	char b[] = "HeLlO";
-	T_COMPARE(a, sizeof(a), b, 0);
-	T_COMPARE(b, sizeof(b), a, 0);
-
-	// the same string
-	T_COMPARE(a, sizeof(a), b, 0);
-	T_COMPARE(b, sizeof(b), a, 0);
-
-	// two different strings
-	char c[] = "world";
-	T_COMPARE(a, sizeof(a), c, a[0] - c[0]);
-	T_COMPARE(c, sizeof(c), a, c[0] - a[0]);
-	char d[] = "hellp";
-	T_COMPARE(a, sizeof(a), d, 'o' - 'p');
-	T_COMPARE(d, sizeof(d), a, 'p' - 'o');
-
-	// strings of different size
-	char e[] = "aAaA";
-	char f[] = "AaAaB";
-	T_COMPARE(e, sizeof(e), f, 0 - 'b');
-	T_COMPARE(f, sizeof(f), e, 'b' - 0);
-
-	// strings that are not NUL-terminated
-	T_COMPARE(a, sizeof(a) - 1, b, 0);
-	T_COMPARE(b, sizeof(b) - 1, a, 0);
-	T_COMPARE(a, sizeof(a) - 1, d, 'o' - 'p');
-	T_COMPARE(d, sizeof(d) - 1, a, 'p' - 'o');
-	T_COMPARE(e, sizeof(e) - 1, f, 0 - 'b');
-	T_COMPARE(f, sizeof(f) - 1, e, 'b' - 0);
-#undef T_COMPARE
-}
-
-T_DECL(strbufcasecmp_all, "strbufcasecmp_all") {
-#define T_CHAR_COMPARE(A, AS, B, BS, EQ) do { \
-    int r = strbufcasecmp_impl((A), (AS), (B), (BS)); \
-    if (r != (EQ)) T_FAIL("case-insensitive compare '0x%02hhx' to '0x%02hhx' was %i instead of %i", *(A), *(B), r, (EQ)); \
-} while (0)
-	// test each character
-	char ga, gb, ha, hb;
-	char nul = 0;
-	for (int i = 0; i < 256; ++i) {
-		ga = (char)(i);
-		gb = (i >= 'A' && i <= 'Z') ? (char)(i - 'A' + 'a') : ga;
-		T_CHAR_COMPARE(&ga, 1, &nul, 0, gb);
-		T_CHAR_COMPARE(&nul, 0, &ga, 1, -gb);
-
-		for (int j = 0; j < 256; ++j) {
-			ha = (char)(j);
-			hb = (j >= 'A' && j <= 'Z') ? (char)(j - 'A' + 'a') : ha;
-			T_CHAR_COMPARE(&ga, 1, &ha, 1, gb - hb);
-			T_CHAR_COMPARE(&ha, 1, &ga, 1, hb - gb);
-		}
-	}
-	T_PASS("ASCII character case insensitivity");
-}
-
-T_DECL(strbufcpy, "strbufcpy") {
-	char dst[32];
-	// empty dest
-	T_ASSERT_EQ(strbufcpy_impl(NULL, 0, "hello", 5), NULL, "0-length destination");
-
-#define T_CPY(A, AS, B, BS) T_ASSERT_EQ(strbufcpy_impl((A), (AS), (B), (BS)), (char *)(A), "copy '%.*s'.%zu to dst.%zu", (int)(BS), (B), (size_t)(BS), (AS))
-	// copy NUL terminated string that fits in dst
-	char hello[] = "hello";
-	memset(dst, 0, sizeof(dst));
-	T_CPY(dst, sizeof(dst), hello, sizeof(hello));
-	T_ASSERT_EQ(memcmp_impl(dst, (char[32]){"hello"}, sizeof(dst)), 0, "check result is 'hello'");
-
-	// copy NUL terminated string that does not fit in dst
-	char aaa[40] = {[0 ... 38] = 'a' };
-	memset(dst, 0, sizeof(dst));
-	T_CPY(dst, sizeof(dst), aaa, sizeof(aaa));
-	T_ASSERT_EQ(memcmp_impl(aaa, dst, 31), 0, "check result is 'aaaaaa...'");
-	T_ASSERT_EQ(dst[31], 0, "check result is NUL-terminated");
-
-	// copy non-terminated string
-	memset(dst, 0xff, sizeof(dst));
-	T_CPY(dst, sizeof(dst), "bbb", 3);
-	T_ASSERT_EQ(strcmp_impl(dst, "bbb"), 0, "check result is 'bbb'");
-
-	// copy string over itself
-	char hw1[32] = "hello world";
-	T_CPY(hw1 + 6, sizeof(hw1) - 6, hw1, sizeof(hw1));
-	T_ASSERT_EQ(strcmp_impl(hw1, "hello hello world"), 0, "check copy over self is 'hello hello world'");
-
-	char hw2[32] = "hello world";
-	T_CPY(hw2, sizeof(hw2), hw2 + 6, sizeof(hw2) - 6);
-	T_ASSERT_EQ(strcmp_impl(hw2, "world"), 0, "check copy over self is 'world'");
-#undef T_CPY
-}
-
-T_DECL(strbufcat, "strbufcat") {
-	char dst[32] = {0};
-
-	// empty dst
-	T_ASSERT_EQ(strbufcat_impl(NULL, 0, "hello", 5), NULL, "check concatenation to 0-length destination");
-
-#define T_CAT_RESULT(RESULT) \
-    T_ASSERT_EQ(strcmp_impl(dst, (RESULT)), 0, "check result of concatenation is '%s'", (RESULT)); \
-
-#define T_CAT(TO_CAT, RESULT) do { \
-    T_ASSERT_EQ(strbufcat_impl(dst, sizeof(dst), (TO_CAT), sizeof(TO_CAT)), (char *)dst, "check concatenation of '%s'", (TO_CAT)); \
-    T_CAT_RESULT(RESULT); \
-} while (0)
-
-	// append "hello "
-	T_CAT("hello ", "hello ");
-
-	// append "world!"
-	T_CAT("world!", "hello world!");
-
-	// append itself
-	T_ASSERT_EQ(strbufcat_impl(dst, sizeof(dst), dst, sizeof(dst)), (char *)dst, "check concatenating self");
-	T_CAT_RESULT("hello world!hello world!");
-
-	// append bunch of 'a's
-	T_ASSERT_EQ(strbufcat_impl(dst, sizeof(dst), "aaaaaaaaaa", 10), (char *)dst, "check concatenating 'aaaa...'");
-	T_CAT_RESULT("hello world!hello world!aaaaaaa");
-
-#undef T_CAT
-#undef T_CAT_RESULT
-}
-
-T_DECL(libsa_overloads, "libsa_overloads") {
-	char buf[32] = "hello, world";
-	char buf2[32] = "world, hello";
-
-	T_ASSERT_EQ(strbuflen(buf), (size_t)12, "strbuflen one argument");
-	T_ASSERT_EQ(strbuflen(buf, sizeof(buf)), (size_t)12, "strbuflen two arguments");
-
-	T_ASSERT_LT(strbufcmp(buf, buf2), 0, "strbufcmp two arguments");
-	T_ASSERT_LT(strbufcmp(buf, sizeof(buf), buf2, sizeof(buf2)), 0, "strbufcmp four arguments");
-
-	T_ASSERT_LT(strbufcasecmp(buf, buf2), 0, "strbufcasecmp two arguments");
-	T_ASSERT_LT(strbufcasecmp(buf, sizeof(buf), buf2, sizeof(buf2)), 0, "strbufcasecmp four arguments");
-
-	T_ASSERT_NE(strbufcpy(buf, buf2), NULL, "strbufcpy two arguments");
-	T_ASSERT_NE(strbufcpy(buf, sizeof(buf), buf2, sizeof(buf2)), NULL, "strbufcpy four arguments");
-
-	T_ASSERT_NE(strbufcat(buf, buf2), NULL, "strbufcat two arguments");
-	T_ASSERT_NE(strbufcat(buf, sizeof(buf), buf2, sizeof(buf2)), NULL, "strbufcat four arguments");
-}