Add util unit tests, and fix discovered bugs.

Add unit tests for pow2_ceil(), malloc_strtoumax(), and
malloc_snprintf().

Fix numerous bugs in malloc_strotumax() error handling/reporting.  These
bugs could have caused application-visible issues for some seldom used
(0X... and 0... prefixes) or malformed MALLOC_CONF or mallctl() argument
strings, but otherwise they had no impact.

Fix numerous bugs in malloc_snprintf().  These bugs were not exercised
by existing malloc_*printf() calls, so they had no impact.

5 files changed, 416 insertions, 30 deletions

diff --git a/Makefile.in b/Makefile.in
index 78f16af..470495c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -114,7 +114,7 @@ TESTS_UNIT := $(srcroot)test/unit/bitmap.c $(srcroot)test/unit/ckh.c \
 	$(srcroot)test/unit/qr.c $(srcroot)test/unit/quarantine.c \
 	$(srcroot)test/unit/rb.c $(srcroot)test/unit/rtree.c \
 	$(srcroot)test/unit/SFMT.c $(srcroot)test/unit/stats.c \
-	$(srcroot)test/unit/tsd.c
+	$(srcroot)test/unit/tsd.c $(srcroot)test/unit/util.c
 TESTS_INTEGRATION := $(srcroot)test/integration/aligned_alloc.c \
 	$(srcroot)test/integration/allocated.c \
 	$(srcroot)test/integration/mallocx.c \
diff --git a/include/jemalloc/internal/util.h b/include/jemalloc/internal/util.h
index 302444d..6b938f7 100644
--- a/include/jemalloc/internal/util.h
+++ b/include/jemalloc/internal/util.h
@@ -85,7 +85,8 @@
 #ifdef JEMALLOC_H_EXTERNS
 
 int	buferror(int err, char *buf, size_t buflen);
-uintmax_t	malloc_strtoumax(const char *nptr, char **endptr, int base);
+uintmax_t	malloc_strtoumax(const char *restrict nptr,
+    char **restrict endptr, int base);
 void	malloc_write(const char *s);
 
 /*
diff --git a/src/util.c b/src/util.c
index 6cedf8c..2006255 100644
--- a/src/util.c
+++ b/src/util.c
@@ -97,22 +97,24 @@ buferror(int err, char *buf, size_t buflen)
 }
 
 uintmax_t
-malloc_strtoumax(const char *nptr, char **endptr, int base)
+malloc_strtoumax(const char *restrict nptr, char **restrict endptr, int base)
 {
 	uintmax_t ret, digit;
 	int b;
 	bool neg;
 	const char *p, *ns;
 
+	p = nptr;
 	if (base < 0 || base == 1 || base > 36) {
+		ns = p;
 		set_errno(EINVAL);
-		return (UINTMAX_MAX);
+		ret = UINTMAX_MAX;
+		goto label_return;
 	}
 	b = base;
 
 	/* Swallow leading whitespace and get sign, if any. */
 	neg = false;
-	p = nptr;
 	while (true) {
 		switch (*p) {
 		case '\t': case '\n': case '\v': case '\f': case '\r': case ' ':
@@ -146,7 +148,7 @@ malloc_strtoumax(const char *nptr, char **endptr, int base)
 			if (b == 8)
 				p++;
 			break;
-		case 'x':
+		case 'X': case 'x':
 			switch (p[2]) {
 			case '0': case '1': case '2': case '3': case '4':
 			case '5': case '6': case '7': case '8': case '9':
@@ -164,7 +166,9 @@ malloc_strtoumax(const char *nptr, char **endptr, int base)
 			}
 			break;
 		default:
-			break;
+			p++;
+			ret = 0;
+			goto label_return;
 		}
 	}
 	if (b == 0)
@@ -181,13 +185,22 @@ malloc_strtoumax(const char *nptr, char **endptr, int base)
 		if (ret < pret) {
 			/* Overflow. */
 			set_errno(ERANGE);
-			return (UINTMAX_MAX);
+			ret = UINTMAX_MAX;
+			goto label_return;
 		}
 		p++;
 	}
 	if (neg)
 		ret = -ret;
 
+	if (p == ns) {
+		/* No conversion performed. */
+		set_errno(EINVAL);
+		ret = UINTMAX_MAX;
+		goto label_return;
+	}
+
+label_return:
 	if (endptr != NULL) {
 		if (p == ns) {
 			/* No characters were converted. */
@@ -195,7 +208,6 @@ malloc_strtoumax(const char *nptr, char **endptr, int base)
 		} else
 			*endptr = (char *)p;
 	}
-
 	return (ret);
 }
 
@@ -354,6 +366,9 @@ malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap)
 	case 'j':							\
 		val = va_arg(ap, intmax_t);				\
 		break;							\
+	case 'j' | 0x80:						\
+		val = va_arg(ap, uintmax_t);				\
+		break;							\
 	case 't':							\
 		val = va_arg(ap, ptrdiff_t);				\
 		break;							\
@@ -419,6 +434,10 @@ malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap)
 			case '*':
 				width = va_arg(ap, int);
 				f++;
+				if (width < 0) {
+					left_justify = true;
+					width = -width;
+				}
 				break;
 			case '0': case '1': case '2': case '3': case '4':
 			case '5': case '6': case '7': case '8': case '9': {
@@ -428,19 +447,16 @@ malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap)
 				assert(uwidth != UINTMAX_MAX || get_errno() !=
 				    ERANGE);
 				width = (int)uwidth;
-				if (*f == '.') {
-					f++;
-					goto label_precision;
-				} else
-					goto label_length;
 				break;
-			} case '.':
-				f++;
-				goto label_precision;
-			default: goto label_length;
+			} default:
+				break;
 			}
+			/* Width/precision separator. */
+			if (*f == '.')
+				f++;
+			else
+				goto label_length;
 			/* Precision. */
-			label_precision:
 			switch (*f) {
 			case '*':
 				prec = va_arg(ap, int);
@@ -469,16 +485,8 @@ malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap)
 				} else
 					len = 'l';
 				break;
-			case 'j':
-				len = 'j';
-				f++;
-				break;
-			case 't':
-				len = 't';
-				f++;
-				break;
-			case 'z':
-				len = 'z';
+			case 'q': case 'j': case 't': case 'z':
+				len = *f;
 				f++;
 				break;
 			default: break;
@@ -540,7 +548,7 @@ malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap)
 				assert(len == '?' || len == 'l');
 				assert_not_implemented(len != 'l');
 				s = va_arg(ap, char *);
-				slen = (prec == -1) ? strlen(s) : prec;
+				slen = (prec < 0) ? strlen(s) : prec;
 				APPEND_PADDED_S(s, slen, width, left_justify);
 				f++;
 				break;
diff --git a/test/include/test/test.h b/test/include/test/test.h
index 5f98575..8cc97af 100644
--- a/test/include/test/test.h
+++ b/test/include/test/test.h
@@ -48,6 +48,84 @@
 #define	assert_u_ge(a, b, fmt...)	assert_cmp(int, a, b, >=, <, "u", fmt)
 #define	assert_u_gt(a, b, fmt...)	assert_cmp(int, a, b, >, <=, "u", fmt)
 
+#define	assert_ld_eq(a, b, fmt...)	assert_cmp(long, a, b, ==,	\
+    !=, "ld", fmt)
+#define	assert_ld_ne(a, b, fmt...)	assert_cmp(long, a, b, !=,	\
+    ==, "ld", fmt)
+#define	assert_ld_lt(a, b, fmt...)	assert_cmp(long, a, b, <,	\
+    >=, "ld", fmt)
+#define	assert_ld_le(a, b, fmt...)	assert_cmp(long, a, b, <=,	\
+    >, "ld", fmt)
+#define	assert_ld_ge(a, b, fmt...)	assert_cmp(long, a, b, >=,	\
+    <, "ld", fmt)
+#define	assert_ld_gt(a, b, fmt...)	assert_cmp(long, a, b, >,	\
+    <=, "ld", fmt)
+
+#define	assert_lu_eq(a, b, fmt...)	assert_cmp(unsigned long,	\
+    a, b, ==, !=, "lu", fmt)
+#define	assert_lu_ne(a, b, fmt...)	assert_cmp(unsigned long,	\
+    a, b, !=, ==, "lu", fmt)
+#define	assert_lu_lt(a, b, fmt...)	assert_cmp(unsigned long,	\
+    a, b, <, >=, "lu", fmt)
+#define	assert_lu_le(a, b, fmt...)	assert_cmp(unsigned long,	\
+    a, b, <=, >, "lu", fmt)
+#define	assert_lu_ge(a, b, fmt...)	assert_cmp(unsigned long,	\
+    a, b, >=, <, "lu", fmt)
+#define	assert_lu_gt(a, b, fmt...)	assert_cmp(unsigned long,	\
+    a, b, >, <=, "lu", fmt)
+
+#define	assert_qd_eq(a, b, fmt...)	assert_cmp(long long, a, b, ==,	\
+    !=, "qd", fmt)
+#define	assert_qd_ne(a, b, fmt...)	assert_cmp(long long, a, b, !=,	\
+    ==, "qd", fmt)
+#define	assert_qd_lt(a, b, fmt...)	assert_cmp(long long, a, b, <,	\
+    >=, "qd", fmt)
+#define	assert_qd_le(a, b, fmt...)	assert_cmp(long long, a, b, <=,	\
+    >, "qd", fmt)
+#define	assert_qd_ge(a, b, fmt...)	assert_cmp(long long, a, b, >=,	\
+    <, "qd", fmt)
+#define	assert_qd_gt(a, b, fmt...)	assert_cmp(long long, a, b, >,	\
+    <=, "qd", fmt)
+
+#define	assert_qu_eq(a, b, fmt...)	assert_cmp(unsigned long long,	\
+    a, b, ==, !=, "qu", fmt)
+#define	assert_qu_ne(a, b, fmt...)	assert_cmp(unsigned long long,	\
+    a, b, !=, ==, "qu", fmt)
+#define	assert_qu_lt(a, b, fmt...)	assert_cmp(unsigned long long,	\
+    a, b, <, >=, "qu", fmt)
+#define	assert_qu_le(a, b, fmt...)	assert_cmp(unsigned long long,	\
+    a, b, <=, >, "qu", fmt)
+#define	assert_qu_ge(a, b, fmt...)	assert_cmp(unsigned long long,	\
+    a, b, >=, <, "qu", fmt)
+#define	assert_qu_gt(a, b, fmt...)	assert_cmp(unsigned long long,	\
+    a, b, >, <=, "qu", fmt)
+
+#define	assert_jd_eq(a, b, fmt...)	assert_cmp(intmax_t, a, b, ==,	\
+    !=, "jd", fmt)
+#define	assert_jd_ne(a, b, fmt...)	assert_cmp(intmax_t, a, b, !=,	\
+    ==, "jd", fmt)
+#define	assert_jd_lt(a, b, fmt...)	assert_cmp(intmax_t, a, b, <,	\
+    >=, "jd", fmt)
+#define	assert_jd_le(a, b, fmt...)	assert_cmp(intmax_t, a, b, <=,	\
+    >, "jd", fmt)
+#define	assert_jd_ge(a, b, fmt...)	assert_cmp(intmax_t, a, b, >=,	\
+    <, "jd", fmt)
+#define	assert_jd_gt(a, b, fmt...)	assert_cmp(intmax_t, a, b, >,	\
+    <=, "jd", fmt)
+
+#define	assert_ju_eq(a, b, fmt...)	assert_cmp(uintmax_t, a, b, ==,	\
+    !=, "ju", fmt)
+#define	assert_ju_ne(a, b, fmt...)	assert_cmp(uintmax_t, a, b, !=,	\
+    ==, "ju", fmt)
+#define	assert_ju_lt(a, b, fmt...)	assert_cmp(uintmax_t, a, b, <,	\
+    >=, "ju", fmt)
+#define	assert_ju_le(a, b, fmt...)	assert_cmp(uintmax_t, a, b, <=,	\
+    >, "ju", fmt)
+#define	assert_ju_ge(a, b, fmt...)	assert_cmp(uintmax_t, a, b, >=,	\
+    <, "ju", fmt)
+#define	assert_ju_gt(a, b, fmt...)	assert_cmp(uintmax_t, a, b, >,	\
+    <=, "ju", fmt)
+
 #define	assert_zd_eq(a, b, fmt...)	assert_cmp(ssize_t, a, b, ==,	\
     !=, "zd", fmt)
 #define	assert_zd_ne(a, b, fmt...)	assert_cmp(ssize_t, a, b, !=,	\
@@ -172,6 +250,11 @@
 	}								\
 } while (0)
 
+#define	assert_not_reached(fmt...) do {					\
+	p_test_fail("%s:%s:%d: Unreachable code reached: ",		\
+	    __func__, __FILE__, __LINE__, fmt);				\
+} while (0)
+
 /*
  * If this enum changes, corresponding changes in test/test.sh.in are also
  * necessary.
diff --git a/test/unit/util.c b/test/unit/util.c
new file mode 100644
index 0000000..1f2f575
--- /dev/null
+++ b/test/unit/util.c
@@ -0,0 +1,294 @@
+#include "test/jemalloc_test.h"
+
+TEST_BEGIN(test_pow2_ceil)
+{
+	unsigned i, pow2;
+	size_t x;
+
+	assert_zu_eq(pow2_ceil(0), 0, "Unexpected result");
+
+	for (i = 0; i < sizeof(size_t) * 8; i++) {
+		assert_zu_eq(pow2_ceil(ZU(1) << i), ZU(1) << i,
+		    "Unexpected result");
+	}
+
+	for (i = 2; i < sizeof(size_t) * 8; i++) {
+		assert_zu_eq(pow2_ceil((ZU(1) << i) - 1), ZU(1) << i,
+		    "Unexpected result");
+	}
+
+	for (i = 0; i < sizeof(size_t) * 8 - 1; i++) {
+		assert_zu_eq(pow2_ceil((ZU(1) << i) + 1), ZU(1) << (i+1),
+		    "Unexpected result");
+	}
+
+	for (pow2 = 1; pow2 < 25; pow2++) {
+		for (x = (ZU(1) << (pow2-1)) + 1; x <= ZU(1) << pow2; x++) {
+			assert_zu_eq(pow2_ceil(x), ZU(1) << pow2,
+			    "Unexpected result, x=%zu", x);
+		}
+	}
+}
+TEST_END
+
+TEST_BEGIN(test_malloc_strtoumax_no_endptr)
+{
+	int err;
+
+	set_errno(0);
+	assert_ju_eq(malloc_strtoumax("0", NULL, 0), 0, "Unexpected result");
+	err = get_errno();
+	assert_d_eq(err, 0, "Unexpected failure");
+}
+TEST_END
+
+TEST_BEGIN(test_malloc_strtoumax)
+{
+	struct test_s {
+		const char *input;
+		const char *expected_remainder;
+		int base;
+		int expected_errno;
+		const char *expected_errno_name;
+		uintmax_t expected_x;
+	};
+#define	ERR(e)	e, #e
+#define	UMAX(x)	((uintmax_t)x##ULL)
+	struct test_s tests[] = {
+		{"0",		"0",	-1,	ERR(EINVAL),	UINTMAX_MAX},
+		{"0",		"0",	1,	ERR(EINVAL),	UINTMAX_MAX},
+		{"0",		"0",	37,	ERR(EINVAL),	UINTMAX_MAX},
+
+		{"",		"",	0,	ERR(EINVAL),	UINTMAX_MAX},
+		{"+",		"+",	0,	ERR(EINVAL),	UINTMAX_MAX},
+		{"++3",		"++3",	0,	ERR(EINVAL),	UINTMAX_MAX},
+		{"-",		"-",	0,	ERR(EINVAL),	UINTMAX_MAX},
+
+		{"42",		"",	0,	ERR(0),		UMAX(42)},
+		{"+42",		"",	0,	ERR(0),		UMAX(42)},
+		{"-42",		"",	0,	ERR(0),		UMAX(-42)},
+		{"042",		"",	0,	ERR(0),		UMAX(042)},
+		{"+042",	"",	0,	ERR(0),		UMAX(042)},
+		{"-042",	"",	0,	ERR(0),		UMAX(-042)},
+		{"0x42",	"",	0,	ERR(0),		UMAX(0x42)},
+		{"+0x42",	"",	0,	ERR(0),		UMAX(0x42)},
+		{"-0x42",	"",	0,	ERR(0),		UMAX(-0x42)},
+
+		{"0",		"",	0,	ERR(0),		UMAX(0)},
+		{"1",		"",	0,	ERR(0),		UMAX(1)},
+
+		{"42",		"",	0,	ERR(0),		UMAX(42)},
+		{" 42",		"",	0,	ERR(0),		UMAX(42)},
+		{"42 ",		" ",	0,	ERR(0),		UMAX(42)},
+		{"0x",		"x",	0,	ERR(0),		UMAX(0)},
+		{"42x",		"x",	0,	ERR(0),		UMAX(42)},
+
+		{"07",		"",	0,	ERR(0),		UMAX(7)},
+		{"010",		"",	0,	ERR(0),		UMAX(8)},
+		{"08",		"8",	0,	ERR(0),		UMAX(0)},
+		{"0_",		"_",	0,	ERR(0),		UMAX(0)},
+
+		{"0x",		"x",	0,	ERR(0),		UMAX(0)},
+		{"0X",		"X",	0,	ERR(0),		UMAX(0)},
+		{"0xg",		"xg",	0,	ERR(0),		UMAX(0)},
+		{"0XA",		"",	0,	ERR(0),		UMAX(10)},
+
+		{"010",		"",	10,	ERR(0),		UMAX(10)},
+		{"0x3",		"x3",	10,	ERR(0),		UMAX(0)},
+
+		{"12",		"2",	2,	ERR(0),		UMAX(1)},
+		{"78",		"8",	8,	ERR(0),		UMAX(7)},
+		{"9a",		"a",	10,	ERR(0),		UMAX(9)},
+		{"9A",		"A",	10,	ERR(0),		UMAX(9)},
+		{"fg",		"g",	16,	ERR(0),		UMAX(15)},
+		{"FG",		"G",	16,	ERR(0),		UMAX(15)},
+		{"0xfg",	"g",	16,	ERR(0),		UMAX(15)},
+		{"0XFG",	"G",	16,	ERR(0),		UMAX(15)},
+		{"z_",		"_",	36,	ERR(0),		UMAX(35)},
+		{"Z_",		"_",	36,	ERR(0),		UMAX(35)}
+	};
+#undef ERR
+#undef UMAX
+	unsigned i;
+
+	for (i = 0; i < sizeof(tests)/sizeof(struct test_s); i++) {
+		struct test_s *test = &tests[i];
+		int err;
+		uintmax_t result;
+		char *remainder;
+
+		set_errno(0);
+		result = malloc_strtoumax(test->input, &remainder, test->base);
+		err = get_errno();
+		assert_d_eq(err, test->expected_errno,
+		    "Expected errno %s for \"%s\", base %d",
+		    test->expected_errno_name, test->input, test->base);
+		assert_str_eq(remainder, test->expected_remainder,
+		    "Unexpected remainder for \"%s\", base %d",
+		    test->input, test->base);
+		if (err == 0) {
+			assert_ju_eq(result, test->expected_x,
+			    "Unexpected result for \"%s\", base %d",
+			    test->input, test->base);
+		}
+	}
+}
+TEST_END
+
+TEST_BEGIN(test_malloc_snprintf_truncated)
+{
+#define	BUFLEN	15
+	char buf[BUFLEN];
+	int result;
+	size_t len;
+#define TEST(expected_str_untruncated, fmt...) do {			\
+	result = malloc_snprintf(buf, len, fmt);			\
+	assert_d_eq(strncmp(buf, expected_str_untruncated, len-1), 0,	\
+	    "Unexpected string inequality (\"%s\" vs \"%s\")",		\
+	    buf, expected_str_untruncated);		\
+	assert_d_eq(result, strlen(expected_str_untruncated),		\
+	    "Unexpected result");					\
+} while (0)
+
+	for (len = 1; len < BUFLEN; len++) {
+		TEST("",		"");
+		TEST("012346789",	"012346789");
+		TEST("a0123b",		"a%sb", "0123");
+		TEST("a01234567",	"a%s%s", "0123", "4567");
+		TEST("a0123  ",		"a%-6s", "0123");
+		TEST("a  0123",		"a%6s", "0123");
+		TEST("a   012",		"a%6.3s", "0123");
+		TEST("a   012",		"a%*.*s", 6, 3, "0123");
+		TEST("a 123b",		"a% db", 123);
+		TEST("a123b",		"a%-db", 123);
+		TEST("a-123b",		"a%-db", -123);
+		TEST("a+123b",		"a%+db", 123);
+	}
+#undef BUFLEN
+#undef TEST
+}
+TEST_END
+
+TEST_BEGIN(test_malloc_snprintf)
+{
+#define	BUFLEN	128
+	char buf[BUFLEN];
+	int result;
+#define	TEST(expected_str, fmt...) do {					\
+	result = malloc_snprintf(buf, sizeof(buf), fmt);		\
+	assert_str_eq(buf, expected_str, "Unexpected output");		\
+	assert_d_eq(result, strlen(expected_str), "Unexpected result");	\
+} while (0)
+
+	TEST("", "");
+	TEST("hello", "hello");
+
+	TEST("a0123b", "a%sb", "0123");
+
+	TEST("a 0123b", "a%5sb", "0123");
+	TEST("a 0123b", "a%*sb", 5, "0123");
+
+	TEST("a0123 b", "a%-5sb", "0123");
+	TEST("a0123b", "a%*sb", -1, "0123");
+	TEST("a0123 b", "a%*sb", -5, "0123");
+	TEST("a0123 b", "a%-*sb", -5, "0123");
+
+	TEST("a012b", "a%.3sb", "0123");
+	TEST("a012b", "a%.*sb", 3, "0123");
+	TEST("a0123b", "a%.*sb", -3, "0123");
+
+	TEST("a  012b", "a%5.3sb", "0123");
+	TEST("a  012b", "a%5.*sb", 3, "0123");
+	TEST("a  012b", "a%*.3sb", 5, "0123");
+	TEST("a  012b", "a%*.*sb", 5, 3, "0123");
+	TEST("a 0123b", "a%*.*sb", 5, -3, "0123");
+
+	TEST("_abcd_", "_%x_", 0xabcd);
+	TEST("_0xabcd_", "_%#x_", 0xabcd);
+	TEST("_1234_", "_%o_", 01234);
+	TEST("_01234_", "_%#o_", 01234);
+	TEST("_1234_", "_%u_", 1234);
+
+	TEST("_1234_", "_%d_", 1234);
+	TEST("_ 1234_", "_% d_", 1234);
+	TEST("_+1234_", "_%+d_", 1234);
+	TEST("_-1234_", "_%d_", -1234);
+	TEST("_-1234_", "_% d_", -1234);
+	TEST("_-1234_", "_%+d_", -1234);
+
+	TEST("_-1234_", "_%d_", -1234);
+	TEST("_1234_", "_%d_", 1234);
+	TEST("_-1234_", "_%i_", -1234);
+	TEST("_1234_", "_%i_", 1234);
+	TEST("_01234_", "_%#o_", 01234);
+	TEST("_1234_", "_%u_", 1234);
+	TEST("_0x1234abc_", "_%#x_", 0x1234abc);
+	TEST("_0X1234ABC_", "_%#X_", 0x1234abc);
+	TEST("_c_", "_%c_", 'c');
+	TEST("_string_", "_%s_", "string");
+	TEST("_0x42_", "_%p_", ((void *)0x42));
+
+	TEST("_-1234_", "_%ld_", ((long)-1234));
+	TEST("_1234_", "_%ld_", ((long)1234));
+	TEST("_-1234_", "_%li_", ((long)-1234));
+	TEST("_1234_", "_%li_", ((long)1234));
+	TEST("_01234_", "_%#lo_", ((long)01234));
+	TEST("_1234_", "_%lu_", ((long)1234));
+	TEST("_0x1234abc_", "_%#lx_", ((long)0x1234abc));
+	TEST("_0X1234ABC_", "_%#lX_", ((long)0x1234ABC));
+
+	TEST("_-1234_", "_%lld_", ((long long)-1234));
+	TEST("_1234_", "_%lld_", ((long long)1234));
+	TEST("_-1234_", "_%lli_", ((long long)-1234));
+	TEST("_1234_", "_%lli_", ((long long)1234));
+	TEST("_01234_", "_%#llo_", ((long long)01234));
+	TEST("_1234_", "_%llu_", ((long long)1234));
+	TEST("_0x1234abc_", "_%#llx_", ((long long)0x1234abc));
+	TEST("_0X1234ABC_", "_%#llX_", ((long long)0x1234ABC));
+
+	TEST("_-1234_", "_%qd_", ((long long)-1234));
+	TEST("_1234_", "_%qd_", ((long long)1234));
+	TEST("_-1234_", "_%qi_", ((long long)-1234));
+	TEST("_1234_", "_%qi_", ((long long)1234));
+	TEST("_01234_", "_%#qo_", ((long long)01234));
+	TEST("_1234_", "_%qu_", ((long long)1234));
+	TEST("_0x1234abc_", "_%#qx_", ((long long)0x1234abc));
+	TEST("_0X1234ABC_", "_%#qX_", ((long long)0x1234ABC));
+
+	TEST("_-1234_", "_%jd_", ((intmax_t)-1234));
+	TEST("_1234_", "_%jd_", ((intmax_t)1234));
+	TEST("_-1234_", "_%ji_", ((intmax_t)-1234));
+	TEST("_1234_", "_%ji_", ((intmax_t)1234));
+	TEST("_01234_", "_%#jo_", ((intmax_t)01234));
+	TEST("_1234_", "_%ju_", ((intmax_t)1234));
+	TEST("_0x1234abc_", "_%#jx_", ((intmax_t)0x1234abc));
+	TEST("_0X1234ABC_", "_%#jX_", ((intmax_t)0x1234ABC));
+
+	TEST("_1234_", "_%td_", ((ptrdiff_t)1234));
+	TEST("_-1234_", "_%td_", ((ptrdiff_t)-1234));
+	TEST("_1234_", "_%ti_", ((ptrdiff_t)1234));
+	TEST("_-1234_", "_%ti_", ((ptrdiff_t)-1234));
+
+	TEST("_-1234_", "_%zd_", ((ssize_t)-1234));
+	TEST("_1234_", "_%zd_", ((ssize_t)1234));
+	TEST("_-1234_", "_%zi_", ((ssize_t)-1234));
+	TEST("_1234_", "_%zi_", ((ssize_t)1234));
+	TEST("_01234_", "_%#zo_", ((ssize_t)01234));
+	TEST("_1234_", "_%zu_", ((ssize_t)1234));
+	TEST("_0x1234abc_", "_%#zx_", ((ssize_t)0x1234abc));
+	TEST("_0X1234ABC_", "_%#zX_", ((ssize_t)0x1234ABC));
+#undef BUFLEN
+}
+TEST_END
+
+int
+main(void)
+{
+
+	return (test(
+	    test_pow2_ceil,
+	    test_malloc_strtoumax_no_endptr,
+	    test_malloc_strtoumax,
+	    test_malloc_snprintf_truncated,
+	    test_malloc_snprintf));
+}