diff options
Diffstat (limited to 'src/pdclib/platform/example/functions/stdlib/system.c')
-rw-r--r-- | src/pdclib/platform/example/functions/stdlib/system.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/src/pdclib/platform/example/functions/stdlib/system.c b/src/pdclib/platform/example/functions/stdlib/system.c deleted file mode 100644 index 15603c3..0000000 --- a/src/pdclib/platform/example/functions/stdlib/system.c +++ /dev/null @@ -1,57 +0,0 @@ -/* 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. -*/ - -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 ) -{ - const char * argv[] = { "sh", "-c", NULL, NULL }; - argv[2] = string; - if ( string != NULL ) - { - int pid = fork(); - if ( pid == 0 ) - { - execve( "/bin/sh", (char * * const)argv, NULL ); - } - else if ( pid > 0 ) - { - while( wait( NULL ) != pid ); - } - } - return -1; -} - -#ifdef TEST - -#include "_PDCLIB_test.h" - -#define SHELLCOMMAND "echo 'SUCCESS testing system()'" - -int main( void ) -{ - 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; -} - -#endif |