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authorClyne Sullivan <tullivan99@gmail.com>2018-11-29 20:43:06 -0500
committerClyne Sullivan <tullivan99@gmail.com>2018-11-29 20:43:06 -0500
commit563c92e6d08c305cb9f7693818ecbe2a2dec527b (patch)
tree5b8a6dcdad1daa64dc3a73e3dc9385b85b2c9200 /src/pdclib/platform/example/functions/stdlib
parent22615096dee294f63c6940c17f2a448da51d9197 (diff)
hello world from initrd
Diffstat (limited to 'src/pdclib/platform/example/functions/stdlib')
-rw-r--r--src/pdclib/platform/example/functions/stdlib/getenv.c45
-rw-r--r--src/pdclib/platform/example/functions/stdlib/system.c57
2 files changed, 0 insertions, 102 deletions
diff --git a/src/pdclib/platform/example/functions/stdlib/getenv.c b/src/pdclib/platform/example/functions/stdlib/getenv.c
deleted file mode 100644
index 72bbcd2..0000000
--- a/src/pdclib/platform/example/functions/stdlib/getenv.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/* getenv( const char * )
-
- This file is part of the Public Domain C Library (PDCLib).
- Permission is granted to use, modify, and / or redistribute at will.
-*/
-
-/* This is an example implementation of getenv() fit for use with POSIX kernels.
-*/
-
-#include <string.h>
-#include <stdlib.h>
-
-#ifndef REGTEST
-
-extern char * * environ;
-
-char * getenv( const char * name )
-{
- size_t len = strlen( name );
- size_t index = 0;
- while ( environ[ index ] != NULL )
- {
- if ( strncmp( environ[ index ], name, len ) == 0 )
- {
- return environ[ index ] + len + 1;
- }
- index++;
- }
- return NULL;
-}
-
-#endif
-
-#ifdef TEST
-
-#include "_PDCLIB_test.h"
-
-int main( void )
-{
- TESTCASE( strcmp( getenv( "SHELL" ), "/bin/bash" ) == 0 );
- /* TESTCASE( strcmp( getenv( "SHELL" ), "/bin/sh" ) == 0 ); */
- return TEST_RESULTS;
-}
-
-#endif
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