thodg/libgit2

diff --git a/src/commit_graph.c b/src/commit_graph.c
index b301d3d..70b5b8c 100644
--- a/src/commit_graph.c
+++ b/src/commit_graph.c
@@ -304,7 +304,7 @@ static int git_commit_graph_entry_get_byindex(
 	e->generation = ntohl(*((uint32_t *)(commit_data + GIT_OID_RAWSZ + 2 * sizeof(uint32_t))));
 	e->commit_time = ntohl(*((uint32_t *)(commit_data + GIT_OID_RAWSZ + 3 * sizeof(uint32_t))));
 
-	e->commit_time |= (e->generation & 0x3ull) << 32ull;
+	e->commit_time |= (e->generation & UINT64_C(0x3)) << UINT64_C(32);
 	e->generation >>= 2u;
 	if (e->parent_indices[1] & 0x80000000u) {
 		uint32_t extra_edge_list_pos = e->parent_indices[1] & 0x7fffffff;
diff --git a/src/diff_xdiff.h b/src/diff_xdiff.h
index aca80b1..9b303e9 100644
--- a/src/diff_xdiff.h
+++ b/src/diff_xdiff.h
@@ -16,7 +16,7 @@
 /* xdiff cannot cope with large files.  these files should not be passed to
  * xdiff.  callers should treat these large files as binary.
  */
-#define GIT_XDIFF_MAX_SIZE (1024LL * 1024 * 1023)
+#define GIT_XDIFF_MAX_SIZE (INT64_C(1024) * 1024 * 1023)
 
 /* A git_xdiff_output is a git_patch_generate_output with extra fields
  * necessary to use libxdiff.  Calling git_xdiff_init() will set the diff_cb
diff --git a/src/hash/sha1/generic.h b/src/hash/sha1/generic.h
index e4cc602..53fc082 100644
--- a/src/hash/sha1/generic.h
+++ b/src/hash/sha1/generic.h
@@ -11,7 +11,7 @@
 #include "hash/sha1.h"
 
 struct git_hash_sha1_ctx {
-	unsigned long long size;
+	uint64_t size;
 	unsigned int H[5];
 	unsigned int W[16];
 };
diff --git a/src/hashsig.c b/src/hashsig.c
index a5fbeee..43310ca 100644
--- a/src/hashsig.c
+++ b/src/hashsig.c
@@ -17,7 +17,7 @@ typedef uint64_t hashsig_state;
 #define HASHSIG_SCALE 100
 
 #define HASHSIG_MAX_RUN 80
-#define HASHSIG_HASH_START	0x012345678ABCDEF0LL
+#define HASHSIG_HASH_START	INT64_C(0x012345678ABCDEF0)
 #define HASHSIG_HASH_SHIFT  5
 
 #define HASHSIG_HASH_MIX(S,CH) \
diff --git a/src/integer.h b/src/integer.h
index a3a0f53..6327717 100644
--- a/src/integer.h
+++ b/src/integer.h
@@ -43,10 +43,10 @@ GIT_INLINE(int) git__is_ulong(int64_t p)
 }
 
 /** @return true if p fits into the range of an int */
-GIT_INLINE(int) git__is_int(long long p)
+GIT_INLINE(int) git__is_int(int64_t p)
 {
 	int r = (int)p;
-	return p == (long long)r;
+	return p == (int64_t)r;
 }
 
 /* Use clang/gcc compiler intrinsics whenever possible */
diff --git a/src/khash.h b/src/khash.h
index 40e2d18..7adccdb 100644
--- a/src/khash.h
+++ b/src/khash.h
@@ -131,17 +131,8 @@ int main() {
 
 /* compiler specific configuration */
 
-#if UINT_MAX == 0xffffffffu
-typedef unsigned int khint32_t;
-#elif ULONG_MAX == 0xffffffffu
-typedef unsigned long khint32_t;
-#endif
-
-#if ULONG_MAX == ULLONG_MAX
-typedef unsigned long khint64_t;
-#else
-typedef unsigned long long khint64_t;
-#endif
+typedef uint32_t khint32_t;
+typedef uint64_t khint64_t;
 
 #ifndef kh_inline
 #ifdef _MSC_VER
diff --git a/src/mwindow.c b/src/mwindow.c
index 5fcae2e..da2dae2 100644
--- a/src/mwindow.c
+++ b/src/mwindow.c
@@ -20,7 +20,7 @@
 		: 32 * 1024 * 1024)
 
 #define DEFAULT_MAPPED_LIMIT \
-	((1024 * 1024) * (sizeof(void*) >= 8 ? 8192ULL : 256UL))
+	((1024 * 1024) * (sizeof(void*) >= 8 ? UINT64_C(8192) : UINT64_C(256)))
 
 /* default is unlimited */
 #define DEFAULT_FILE_LIMIT 0
diff --git a/src/util.h b/src/util.h
index 1c6677b..a773536 100644
--- a/src/util.h
+++ b/src/util.h
@@ -22,7 +22,7 @@
 
 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
 #define bitsizeof(x) (CHAR_BIT * sizeof(x))
-#define MSB(x, bits) ((x) & (~0ULL << (bitsizeof(x) - (bits))))
+#define MSB(x, bits) ((x) & (~UINT64_C(0) << (bitsizeof(x) - (bits))))
 #ifndef min
 # define min(a,b) ((a) < (b) ? (a) : (b))
 #endif
diff --git a/src/win32/w32_util.h b/src/win32/w32_util.h
index d7f9d3d..1321d30 100644
--- a/src/win32/w32_util.h
+++ b/src/win32/w32_util.h
@@ -74,8 +74,8 @@ GIT_INLINE(void) git_win32__filetime_to_timespec(
 	const FILETIME *ft,
 	struct timespec *ts)
 {
-	long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime;
-	winTime -= 116444736000000000LL; /* Windows to Unix Epoch conversion */
+	int64_t winTime = ((int64_t)ft->dwHighDateTime << 32) + ft->dwLowDateTime;
+	winTime -= INT64_C(116444736000000000); /* Windows to Unix Epoch conversion */
 	ts->tv_sec = (time_t)(winTime / 10000000);
 #ifdef GIT_USE_NSEC
 	ts->tv_nsec = (winTime % 10000000) * 100;
@@ -87,11 +87,11 @@ GIT_INLINE(void) git_win32__filetime_to_timespec(
 GIT_INLINE(void) git_win32__timeval_to_filetime(
 	FILETIME *ft, const struct p_timeval tv)
 {
-	long long ticks = (tv.tv_sec * 10000000LL) +
-		(tv.tv_usec * 10LL) + 116444736000000000LL;
+	int64_t ticks = (tv.tv_sec * INT64_C(10000000)) +
+		(tv.tv_usec * INT64_C(10)) + INT64_C(116444736000000000);
 
-	ft->dwHighDateTime = ((ticks >> 32) & 0xffffffffLL);
-	ft->dwLowDateTime = (ticks & 0xffffffffLL);
+	ft->dwHighDateTime = ((ticks >> 32) & INT64_C(0xffffffff));
+	ft->dwLowDateTime = (ticks & INT64_C(0xffffffff));
 }
 
 GIT_INLINE(void) git_win32__stat_init(
diff --git a/tests/core/encoding.c b/tests/core/encoding.c
index a677afe..6cec246 100644
--- a/tests/core/encoding.c
+++ b/tests/core/encoding.c
@@ -14,7 +14,7 @@ void test_core_encoding__decode(void)
 	cl_assert(size == 4);
 
 	buf = (unsigned char *)"\xaa\xaa\xfe\xdc\xbaXY";
-	cl_assert(git_decode_varint(buf, &size) == 1489279344088ULL);
+	cl_assert(git_decode_varint(buf, &size) == UINT64_C(1489279344088));
 	cl_assert(size == 6);
 
 	buf = (unsigned char *)"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xfe\xdc\xbaXY";
@@ -35,8 +35,8 @@ void test_core_encoding__encode(void)
 	cl_assert(git_encode_varint(buf, 100, 267869656) == 4);
 	cl_assert(!memcmp(buf, "\xfe\xdc\xbaX", 4));
 
-	cl_assert(git_encode_varint(buf, 100, 1489279344088ULL) == 6);
+	cl_assert(git_encode_varint(buf, 100, UINT64_C(1489279344088)) == 6);
 	cl_assert(!memcmp(buf, "\xaa\xaa\xfe\xdc\xbaX", 6));
 
-	cl_assert(git_encode_varint(buf, 1, 1489279344088ULL) == -1);
+	cl_assert(git_encode_varint(buf, 1, UINT64_C(1489279344088)) == -1);
 }
diff --git a/tests/core/integer.c b/tests/core/integer.c
index bd19651..18364ba 100644
--- a/tests/core/integer.c
+++ b/tests/core/integer.c
@@ -4,168 +4,168 @@ void test_core_integer__multiply_int64_no_overflow(void)
 {
 #if !defined(git__multiply_int64_overflow)
 	int64_t result = 0;
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, 0x1ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, -0x1ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, 0x2ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, -0x2ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, 0x7ffffffffffffffll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, -0x7ffffffffffffffll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, 0x800000000000000ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, -0x800000000000000ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, 0x7fffffffffffffffll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, -0x7fffffffffffffffll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x0ll, -0x8000000000000000ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, 0x1ll));
-	cl_assert_equal_i(result, 0x1ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, -0x1ll));
-	cl_assert_equal_i(result, -0x1ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, 0x2ll));
-	cl_assert_equal_i(result, 0x2ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, -0x2ll));
-	cl_assert_equal_i(result, -0x2ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, 0x7ffffffffffffffll));
-	cl_assert_equal_i(result, 0x7ffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, -0x7ffffffffffffffll));
-	cl_assert_equal_i(result, -0x7ffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, 0x800000000000000ll));
-	cl_assert_equal_i(result, 0x800000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, -0x800000000000000ll));
-	cl_assert_equal_i(result, -0x800000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, 0x7fffffffffffffffll));
-	cl_assert_equal_i(result, 0x7fffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x1ll, -0x7fffffffffffffffll));
-	cl_assert_equal_i(result, -0x7fffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, 0x1ll));
-	cl_assert_equal_i(result, -0x1ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, -0x1ll));
-	cl_assert_equal_i(result, 0x1ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, 0x2ll));
-	cl_assert_equal_i(result, -0x2ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, -0x2ll));
-	cl_assert_equal_i(result, 0x2ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, 0x7ffffffffffffffll));
-	cl_assert_equal_i(result, -0x7ffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, -0x7ffffffffffffffll));
-	cl_assert_equal_i(result, 0x7ffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, 0x800000000000000ll));
-	cl_assert_equal_i(result, -0x800000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, -0x800000000000000ll));
-	cl_assert_equal_i(result, 0x800000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, 0x7fffffffffffffffll));
-	cl_assert_equal_i(result, -0x7fffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, -0x7fffffffffffffffll));
-	cl_assert_equal_i(result, 0x7fffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, 0x1ll));
-	cl_assert_equal_i(result, 0x2ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, -0x1ll));
-	cl_assert_equal_i(result, -0x2ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, 0x2ll));
-	cl_assert_equal_i(result, 0x4ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, -0x2ll));
-	cl_assert_equal_i(result, -0x4ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, 0x7ffffffffffffffll));
-	cl_assert_equal_i(result, 0xffffffffffffffell);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, -0x7ffffffffffffffll));
-	cl_assert_equal_i(result, -0xffffffffffffffell);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, 0x800000000000000ll));
-	cl_assert_equal_i(result, 0x1000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, -0x800000000000000ll));
-	cl_assert_equal_i(result, -0x1000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x2ll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x2ll, 0x1ll));
-	cl_assert_equal_i(result, -0x2ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x2ll, -0x1ll));
-	cl_assert_equal_i(result, 0x2ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x2ll, 0x2ll));
-	cl_assert_equal_i(result, -0x4ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x2ll, -0x2ll));
-	cl_assert_equal_i(result, 0x4ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x2ll, 0x7ffffffffffffffll));
-	cl_assert_equal_i(result, -0xffffffffffffffell);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x2ll, -0x7ffffffffffffffll));
-	cl_assert_equal_i(result, 0xffffffffffffffell);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x2ll, 0x800000000000000ll));
-	cl_assert_equal_i(result, -0x1000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x2ll, -0x800000000000000ll));
-	cl_assert_equal_i(result, 0x1000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x2ll, -0x4000000000000000ll));
-	cl_assert_equal_i(result, -0x8000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, 0x1ll));
-	cl_assert_equal_i(result, 0x7ffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, -0x1ll));
-	cl_assert_equal_i(result, -0x7ffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, 0x2ll));
-	cl_assert_equal_i(result, 0xffffffffffffffell);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, -0x2ll));
-	cl_assert_equal_i(result, -0xffffffffffffffell);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, 0x1ll));
-	cl_assert_equal_i(result, -0x7ffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, -0x1ll));
-	cl_assert_equal_i(result, 0x7ffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, 0x2ll));
-	cl_assert_equal_i(result, -0xffffffffffffffell);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, -0x2ll));
-	cl_assert_equal_i(result, 0xffffffffffffffell);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x800000000000000ll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x800000000000000ll, 0x1ll));
-	cl_assert_equal_i(result, 0x800000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x800000000000000ll, -0x1ll));
-	cl_assert_equal_i(result, -0x800000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x800000000000000ll, 0x2ll));
-	cl_assert_equal_i(result, 0x1000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x800000000000000ll, -0x2ll));
-	cl_assert_equal_i(result, -0x1000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x800000000000000ll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x800000000000000ll, 0x1ll));
-	cl_assert_equal_i(result, -0x800000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x800000000000000ll, -0x1ll));
-	cl_assert_equal_i(result, 0x800000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x800000000000000ll, 0x2ll));
-	cl_assert_equal_i(result, -0x1000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x800000000000000ll, -0x2ll));
-	cl_assert_equal_i(result, 0x1000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, 0x1ll));
-	cl_assert_equal_i(result, 0x7fffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, -0x1ll));
-	cl_assert_equal_i(result, -0x7fffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x4000000000000000ll, 0x2ll));
-	cl_assert_equal_i(result, -0x8000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, 0x1ll));
-	cl_assert_equal_i(result, -0x7fffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, -0x1ll));
-	cl_assert_equal_i(result, 0x7fffffffffffffffll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x8000000000000000ll, 0x0ll));
-	cl_assert_equal_i(result, 0x0ll);
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x2)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x7fffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x7fffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x8000000000000000)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(0x1));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x1));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(0x2));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x2)));
+	cl_assert_equal_i(result, INT64_C(-0x2));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0x7ffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(-0x7ffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(0x800000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(-0x800000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x7fffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0x7fffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x7fffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(-0x7fffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x1));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(0x1));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(-0x2));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x2)));
+	cl_assert_equal_i(result, INT64_C(0x2));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(-0x7ffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0x7ffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(-0x800000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(0x800000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x7fffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(-0x7fffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x7fffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0x7fffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(0x2));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x2));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(0x4));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x2)));
+	cl_assert_equal_i(result, INT64_C(-0x4));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0xffffffffffffffe));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(-0xffffffffffffffe));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(0x1000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(-0x1000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x2));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(0x2));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(-0x4));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x2)));
+	cl_assert_equal_i(result, INT64_C(0x4));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(-0xffffffffffffffe));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x7ffffffffffffff)));
+	cl_assert_equal_i(result, INT64_C(0xffffffffffffffe));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(-0x1000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x800000000000000)));
+	cl_assert_equal_i(result, INT64_C(0x1000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x4000000000000000)));
+	cl_assert_equal_i(result, INT64_C(-0x8000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(0x7ffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x7ffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(0xffffffffffffffe));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x2)));
+	cl_assert_equal_i(result, INT64_C(-0xffffffffffffffe));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x7ffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(0x7ffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(-0xffffffffffffffe));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x2)));
+	cl_assert_equal_i(result, INT64_C(0xffffffffffffffe));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(0x800000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x800000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(0x1000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x2)));
+	cl_assert_equal_i(result, INT64_C(-0x1000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x800000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(0x800000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(-0x1000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x2)));
+	cl_assert_equal_i(result, INT64_C(0x1000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(0x7fffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x7fffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x4000000000000000), INT64_C(0x2)));
+	cl_assert_equal_i(result, INT64_C(-0x8000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x7fffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(0x7fffffffffffffff));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x0)));
+	cl_assert_equal_i(result, INT64_C(0x0));
 #endif
 }
 
@@ -173,69 +173,69 @@ void test_core_integer__multiply_int64_overflow(void)
 {
 #if !defined(git__multiply_int64_overflow)
 	int64_t result = 0;
-	cl_assert(git__multiply_int64_overflow(&result, 0x2ll, 0x4000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x2ll, 0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x2ll, -0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x2ll, -0x8000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x2ll, 0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x2ll, -0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x2ll, -0x8000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, 0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, -0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, 0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, -0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, 0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, -0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7ffffffffffffffll, -0x8000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, 0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, -0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, 0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, -0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, 0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, -0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7ffffffffffffffll, -0x8000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x800000000000000ll, 0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x800000000000000ll, -0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x800000000000000ll, 0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x800000000000000ll, -0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x800000000000000ll, 0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x800000000000000ll, -0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x800000000000000ll, -0x8000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x800000000000000ll, 0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x800000000000000ll, -0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x800000000000000ll, 0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x800000000000000ll, -0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x800000000000000ll, 0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x800000000000000ll, -0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x800000000000000ll, -0x8000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x4000000000000000ll, 0x2ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, 0x2ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, -0x2ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, 0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, -0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, 0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, -0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, 0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, -0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, 0x7fffffffffffffffll, -0x8000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, 0x2ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, -0x2ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, 0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, -0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, 0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, -0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, 0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, -0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x7fffffffffffffffll, -0x8000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, 0x2ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, -0x2ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, 0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, -0x7ffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, 0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, -0x800000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, 0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, -0x7fffffffffffffffll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, -0x8000000000000000ll));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x4000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x8000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x8000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x8000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x8000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x8000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x8000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x4000000000000000), INT64_C(0x2)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x2)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x2)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x8000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x2)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x2)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x8000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x2)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x2)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x7ffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x800000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x7fffffffffffffff)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x8000000000000000)));
 #endif
 }
 
@@ -243,11 +243,11 @@ void test_core_integer__multiply_int64_edge_cases(void)
 {
 #if !defined(git__multiply_int64_overflow)
 	int64_t result = 0;
-	cl_assert(!git__multiply_int64_overflow(&result, -0x8000000000000000ll, -0x1ll));
-	cl_assert_equal_i(result, -0x8000000000000000ll);
-	cl_assert(!git__multiply_int64_overflow(&result, -0x1ll, -0x8000000000000000ll));
-	cl_assert_equal_i(result, -0x8000000000000000ll);
-	cl_assert(git__multiply_int64_overflow(&result, 0x1ll, -0x8000000000000000ll));
-	cl_assert(git__multiply_int64_overflow(&result, -0x8000000000000000ll, 0x1ll));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x1)));
+	cl_assert_equal_i(result, INT64_C(-0x8000000000000000));
+	cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x8000000000000000)));
+	cl_assert_equal_i(result, INT64_C(-0x8000000000000000));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x8000000000000000)));
+	cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x1)));
 #endif
 }
diff --git a/tests/core/strtol.c b/tests/core/strtol.c
index cac6ca5..851b91b 100644
--- a/tests/core/strtol.c
+++ b/tests/core/strtol.c
@@ -32,7 +32,7 @@ void test_core_strtol__int32(void)
 	assert_l32_parses("  +123 ", 123, 10);
 	assert_l32_parses("  -123 ", -123, 10);
 	assert_l32_parses("  +2147483647 ", 2147483647, 10);
-	assert_l32_parses("  -2147483648 ", -2147483648LL, 10);
+	assert_l32_parses("  -2147483648 ", INT64_C(-2147483648), 10);
 	assert_l32_parses("A", 10, 16);
 	assert_l32_parses("1x1", 1, 10);
 
@@ -49,9 +49,9 @@ void test_core_strtol__int64(void)
 	assert_l64_parses("  +123 ", 123, 10);
 	assert_l64_parses("  -123 ", -123, 10);
 	assert_l64_parses("  +2147483647 ", 2147483647, 10);
-	assert_l64_parses("  -2147483648 ", -2147483648LL, 10);
-	assert_l64_parses("  2147483657 ", 2147483657LL, 10);
-	assert_l64_parses("  -2147483657 ", -2147483657LL, 10);
+	assert_l64_parses("  -2147483648 ", INT64_C(-2147483648), 10);
+	assert_l64_parses("  2147483657 ", INT64_C(2147483657), 10);
+	assert_l64_parses("  -2147483657 ", INT64_C(-2147483657), 10);
 	assert_l64_parses(" 9223372036854775807  ", INT64_MAX, 10);
 	assert_l64_parses("   -9223372036854775808  ", INT64_MIN, 10);
 	assert_l64_parses("   0x7fffffffffffffff  ", INT64_MAX, 16);
diff --git a/tests/graph/commit_graph.c b/tests/graph/commit_graph.c
index 4c7c5a7..75a6c52 100644
--- a/tests/graph/commit_graph.c
+++ b/tests/graph/commit_graph.c
@@ -23,14 +23,14 @@ void test_graph_commit_graph__parse(void)
 	cl_git_pass(git_oid_fromstr(&id, "418382dff1ffb8bdfba833f4d8bbcde58b1e7f47"));
 	cl_assert_equal_oid(&e.tree_oid, &id);
 	cl_assert_equal_i(e.generation, 1);
-	cl_assert_equal_i(e.commit_time, 1273610423ull);
+	cl_assert_equal_i(e.commit_time, UINT64_C(1273610423));
 	cl_assert_equal_i(e.parent_count, 0);
 
 	cl_git_pass(git_oid_fromstr(&id, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644"));
 	cl_git_pass(git_commit_graph_entry_find(&e, cgraph, &id, GIT_OID_HEXSZ));
 	cl_assert_equal_oid(&e.sha1, &id);
 	cl_assert_equal_i(e.generation, 5);
-	cl_assert_equal_i(e.commit_time, 1274813907ull);
+	cl_assert_equal_i(e.commit_time, UINT64_C(1274813907));
 	cl_assert_equal_i(e.parent_count, 2);
 
 	cl_git_pass(git_oid_fromstr(&id, "9fd738e8f7967c078dceed8190330fc8648ee56a"));
@@ -66,7 +66,7 @@ void test_graph_commit_graph__parse_octopus_merge(void)
 	cl_git_pass(git_oid_fromstr(&id, "348f16ffaeb73f319a75cec5b16a0a47d2d5e27c"));
 	cl_assert_equal_oid(&e.tree_oid, &id);
 	cl_assert_equal_i(e.generation, 7);
-	cl_assert_equal_i(e.commit_time, 1447083009ull);
+	cl_assert_equal_i(e.commit_time, UINT64_C(1447083009));
 	cl_assert_equal_i(e.parent_count, 3);
 
 	cl_git_pass(git_oid_fromstr(&id, "ad2ace9e15f66b3d1138922e6ffdc3ea3f967fa6"));
diff --git a/tests/revwalk/basic.c b/tests/revwalk/basic.c
index ee70ec6..2c8d885 100644
--- a/tests/revwalk/basic.c
+++ b/tests/revwalk/basic.c
@@ -530,7 +530,7 @@ void test_revwalk_basic__big_timestamp(void)
 	cl_git_pass(git_reference_peel((git_object **) &tip, head, GIT_OBJECT_COMMIT));
 
 	/* Commit with a far-ahead timestamp, we should be able to parse it in the revwalk */
-	cl_git_pass(git_signature_new(&sig, "Joe", "joe@example.com", 2399662595ll, 0));
+	cl_git_pass(git_signature_new(&sig, "Joe", "joe@example.com", INT64_C(2399662595), 0));
 	cl_git_pass(git_commit_tree(&tree, tip));
 
 	cl_git_pass(git_commit_create(&id, _repo, "HEAD", sig, sig, NULL, "some message", tree, 1,