diff --git a/libcmt/file.c b/libcmt/file.c
index f8a752268..3332ffe04 100644
--- a/libcmt/file.c
+++ b/libcmt/file.c
@@ -36,9 +36,9 @@ FILE *freopen(const char *filename,const char *mode,FILE *stream)
 		}
 		stream->file=0l;
 	}
+#endif
 	if(error)
 		return NULL;
-#endif
 
 	if(filename!=NULL)
 	{
diff --git a/libcmt/stdlib_calloc.c b/libcmt/stdlib_calloc.c
index d66c4b72b..95ecf34f8 100644
--- a/libcmt/stdlib_calloc.c
+++ b/libcmt/stdlib_calloc.c
@@ -42,7 +42,11 @@
 /****************************************************************************/
 
 STATIC void *
+#ifdef __MEM_DEBUG
 __calloc(size_t num_elements,size_t element_size,const char * file,int line)
+#else
+__calloc(size_t num_elements,size_t element_size)
+#endif
 {
 	void * result = NULL;
 	size_t total_size;
@@ -69,7 +73,11 @@ calloc(size_t num_elements,size_t element_size)
 {
 	void * result;
 
+#ifdef __MEM_DEBUG
 	result = __calloc(num_elements,element_size,NULL,0);
+#else
+	result = __calloc(num_elements,element_size);
+#endif
 
 	return(result);
 }
diff --git a/libcmt/strings_strcasecmp.c b/libcmt/strings_strcasecmp.c
index 4f768002d..6b373797b 100644
--- a/libcmt/strings_strcasecmp.c
+++ b/libcmt/strings_strcasecmp.c
@@ -81,7 +81,5 @@ strcasecmp(const char * _s1, const char * _s2)
 		result = (int)c1 - (int)c2;
 	}
 
- out:
-
 	return(result);
 }
diff --git a/libcmt/vsnprintf.c b/libcmt/vsnprintf.c
index d64daf69f..9a62fe2c5 100644
--- a/libcmt/vsnprintf.c
+++ b/libcmt/vsnprintf.c
@@ -318,6 +318,7 @@ dopr(char *buffer, size_t maxlen, const char *format, va_list args)
 				break;
 			case 'X':
 				flags |= DP_F_UP;
+				/* fall through */
 			case 'x':
 				flags |= DP_F_UNSIGNED;
 				if (cflags == DP_C_SHORT)
@@ -340,6 +341,7 @@ dopr(char *buffer, size_t maxlen, const char *format, va_list args)
 				break;
 			case 'E':
 				flags |= DP_F_UP;
+				/* fall through */
 			case 'e':
 				if (cflags == DP_C_LDOUBLE)
 					fvalue = va_arg (args, LDOUBLE);
@@ -348,6 +350,7 @@ dopr(char *buffer, size_t maxlen, const char *format, va_list args)
 				break;
 			case 'G':
 				flags |= DP_F_UP;
+				/* fall through */
 			case 'g':
 				if (cflags == DP_C_LDOUBLE)
 					fvalue = va_arg (args, LDOUBLE);