/* $Id$ */
-/* 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 )
{
#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;
}