3 files changed, 15 insertions, 21 deletions

diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index b6e2c9382b..2748edba02 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -1749,45 +1749,42 @@ erts_mseg_late_init(void)
 
 #endif /* #if HAVE_ERTS_MSEG */
 
-unsigned long
-erts_mseg_test(unsigned long op,
-	       unsigned long a1,
-	       unsigned long a2,
-	       unsigned long a3)
+UWord
+erts_mseg_test(UWord op, UWord a1, UWord a2, UWord a3)
 {
     switch (op) {
 #if HAVE_ERTS_MSEG
     case 0x400: /* Have erts_mseg */
-	return (unsigned long) 1;
+	return (UWord) 1;
     case 0x401:
-	return (unsigned long) erts_mseg_alloc(ERTS_ALC_A_INVALID, (Uint *) a1, (Uint) 0);
+	return (UWord) erts_mseg_alloc(ERTS_ALC_A_INVALID, (Uint *) a1, (Uint) 0);
     case 0x402:
 	erts_mseg_dealloc(ERTS_ALC_A_INVALID, (void *) a1, (Uint) a2, (Uint) 0);
-	return (unsigned long) 0;
+	return (UWord) 0;
     case 0x403:
-	return (unsigned long) erts_mseg_realloc(ERTS_ALC_A_INVALID,
+	return (UWord) erts_mseg_realloc(ERTS_ALC_A_INVALID,
 						 (void *) a1,
 						 (Uint) a2,
 						 (Uint *) a3,
 						 (Uint) 0);
     case 0x404:
 	erts_mseg_clear_cache();
-	return (unsigned long) 0;
+	return (UWord) 0;
     case 0x405:
-	return (unsigned long) erts_mseg_no(&erts_mseg_default_opt);
+	return (UWord) erts_mseg_no(&erts_mseg_default_opt);
     case 0x406: {
 	ErtsMsegAllctr_t *ma = ERTS_MSEG_ALLCTR_IX(0);
-	unsigned long res;
+	UWord res;
 	ERTS_MSEG_LOCK(ma);
-	res = (unsigned long) tot_cache_size(ma);
+	res = (UWord) tot_cache_size(ma);
 	ERTS_MSEG_UNLOCK(ma);
 	return res;
     }
 #else /* #if HAVE_ERTS_MSEG */
     case 0x400: /* Have erts_mseg */
-	return (unsigned long) 0;
+	return (UWord) 0;
 #endif /* #if HAVE_ERTS_MSEG */
-    default:	ASSERT(0); return ~((unsigned long) 0);
+    default:	ASSERT(0); return ~((UWord) 0);
     }
 
 }
diff --git a/erts/emulator/sys/common/erl_mseg.h b/erts/emulator/sys/common/erl_mseg.h
index 3cab9e18da..a4f250ceab 100644
--- a/erts/emulator/sys/common/erl_mseg.h
+++ b/erts/emulator/sys/common/erl_mseg.h
@@ -109,9 +109,6 @@ Eterm erts_mseg_info(int, int *, void*, int, Uint **, Uint *);
 
 #endif /* #if HAVE_ERTS_MSEG */
 
-unsigned long erts_mseg_test(unsigned long,
-			     unsigned long,
-			     unsigned long,
-			     unsigned long);
+UWord erts_mseg_test(UWord, UWord, UWord, UWord);
 
 #endif /* #ifndef ERL_MSEG_H_ */
diff --git a/erts/emulator/sys/win32/sys_float.c b/erts/emulator/sys/win32/sys_float.c
index e2a777d182..0e19746cf5 100644
--- a/erts/emulator/sys/win32/sys_float.c
+++ b/erts/emulator/sys/win32/sys_float.c
@@ -52,7 +52,7 @@ void erts_thread_disable_fpe(void)
 int 
 sys_chars_to_double(char *buf, double *fp)
 {
-    char *s = buf, *t, *dp;
+    unsigned char *s = buf, *t, *dp;
     
     /* Robert says that something like this is what he really wanted:
      * (The [.,] radix test is NOT what Robert wanted - it was added later)
@@ -120,7 +120,7 @@ sys_chars_to_double(char *buf, double *fp)
 int
 sys_double_to_chars_ext(double fp, char *buffer, size_t buffer_size, size_t decimals)
 {
-    char *s = buffer;
+    unsigned char *s = buffer;
 
     if (erts_snprintf(buffer, buffer_size, "%.*e", decimals, fp) >= buffer_size)
         return -1;