X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=platform%2Fexample%2Ffunctions%2Fstdlib%2Fsystem.c;h=2e0079a449d942178badaedf8d98a285e842d95d;hb=393020b6e48719d27699dea6b29e53025bbd5123;hp=41c36718c76b357745bba3e9632bf05749c8af4c;hpb=3f6094115e79a45413f08361b68b71eb08da306e;p=pdclib

diff --git a/platform/example/functions/stdlib/system.c b/platform/example/functions/stdlib/system.c
index 41c3671..2e0079a 100644
--- a/platform/example/functions/stdlib/system.c
+++ b/platform/example/functions/stdlib/system.c
@@ -1,28 +1,29 @@
 /* $Id$ */
 
-/* Release $Name$ */
-
 /* system( const char * )
 
    This file is part of the Public Domain C Library (PDCLib).
    Permission is granted to use, modify, and / or redistribute at will.
 */
 
+#include <stdlib.h>
+
 /* This is an example implementation of system() fit for use with POSIX kernels.
 */
 
-#include <unistd.h>
-#include <sys/wait.h>
+extern int fork( void );
+extern int execve( const char * filename, char * const argv[], char * const envp[] );
+extern int wait( int * status );
 
 int system( const char * string )
 {
-    char * const argv[] = { "sh", "-c", (char * const)string, NULL };
+    char const * const argv[] = { "sh", "-c", (char const * const)string, NULL };
     if ( string != NULL )
     {
         int pid = fork();
         if ( pid == 0 )
         {
-            execve( "/bin/sh", argv, NULL );
+            execve( "/bin/sh", (char * * const)argv, NULL );
         }
         else if ( pid > 0 )
         {
@@ -34,13 +35,11 @@ int system( const char * string )
 
 #ifdef TEST
 #include <_PDCLIB_test.h>
-#include <_PDCLIB_config.h>
 
 #define SHELLCOMMAND "echo 'SUCCESS testing system()'"
 
-int main()
+int main( void )
 {
-    BEGIN_TESTS;
     TESTCASE( system( SHELLCOMMAND ) );
     return TEST_RESULTS;
 }