cleanup usage and wrapper

usage.c

@@ -1,18 +1,21 @@
+/* usage.c -- implements usage.h */
+
+/* TODO: align exit return code */
+
 #include "usage.h"
 
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 
-static void report(const char* prefix, const char *err, va_list params)
+static void report( const char *prefix, const char *err, va_list params) {
-{
 	char msg[ 4096] ;
-	vsnprintf(msg, sizeof(msg), err, params);
+
+	vsnprintf( msg, sizeof msg, err, params) ;
 	fprintf( stderr, "%s%s\n", prefix, msg) ;
 }
 
-void die(const char* err, ...)
+void die( const char *err, ...) {
-{
 	va_list params ;
 
 	va_start( params, err) ;
@@ -20,3 +23,5 @@ void die(const char* err, ...)
 	va_end( params) ;
 	exit( 128) ;
 }
+
+/* end of usage.c */

usage.h

@@ -1,6 +1,6 @@
 #ifndef USAGE_H_
 #define USAGE_H_
 
-extern void die(const char* err, ...);
+void die( const char *err, ...) ;
 
 #endif  /* USAGE_H_ */

wrapper.c

@@ -1,22 +1,29 @@
+/* wrapper.c -- implements wrapper.h */
+
+#include "wrapper.h"
+
 #include "usage.h"
 
 #include <stdlib.h>
+#include <unistd.h>
 
 /* Function copyright: git */
-int xmkstemp(char *template)
+void xmkstemp( char *template) {
-{
 	int fd ;
 
 	fd = mkstemp( template) ;
 	if( fd < 0)
 		die( "Unable to create temporary file") ;
-	return fd;
+
+	close( fd) ;
 }
 
-void *xmalloc(size_t size)
+void *xmalloc( size_t size) {
-{
 	void *ret = malloc( size) ;
 	if( !ret)
 		die( "Out of memory") ;
+
 	return ret ;
 }
+
+/* end of wrapper.c */

wrapper.h

@@ -1,8 +1,10 @@
 #ifndef WRAPPER_H_
 #define WRAPPER_H_
 
-extern int xmkstemp(char *template);
+#include <stdlib.h>
 
-extern void *xmalloc(size_t size);
+void xmkstemp( char *template) ;
+
+void *xmalloc( size_t size) ;
 
 #endif  /* WRAPPER_H_ */