Moved the macro magic into the common header.

[pdclib] / platform / example / functions / stdlib / system.c

diff --git a/platform/example/functions/stdlib/system.c b/platform/example/functions/stdlib/system.c
index 41c36718c76b357745bba3e9632bf05749c8af4c..eb8db3dbd9022f6b80f39881289ed95e3c820d1f 100644 (file)
--- 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 )
         {
@@ -34,14 +35,22 @@ 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;
+    FILE * fh;
+    char buffer[25];
+    buffer[24] = 'x';
+    TESTCASE( ( fh = freopen( testfile, "wb+", stdout ) ) != NULL );
     TESTCASE( system( SHELLCOMMAND ) );
+    rewind( fh );
+    TESTCASE( fread( buffer, 1, 24, fh ) == 24 );
+    TESTCASE( memcmp( buffer, "SUCCESS testing system()", 24 ) == 0 );
+    TESTCASE( buffer[24] == 'x' );
+    TESTCASE( fclose( fh ) == 0 );
+    TESTCASE( remove( testfile ) == 0 );
     return TEST_RESULTS;
 }