unit-tests/test-cases/crt-libSystem/main.c

   1 /*
   2  * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 #include <stdio.h>  // fprintf(), NULL
  24 #include <stdlib.h> // exit(), EXIT_SUCCESS
  25 #include <stdbool.h>
  26 #include <string.h>
  27 #include <crt_externs.h>
  28 #include <mach-o/ldsyms.h>
  29 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  30
  31 struct ProgramVars
  32 {
  33         const void*             mh;
  34         int*                    NXArgcPtr;
  35         char***                 NXArgvPtr;
  36         char***                 environPtr;
  37         char**                  __prognamePtr;
  38 };
  39 static const struct ProgramVars* sVars;
  40
  41 // global variables defeined in crt1.o
  42 extern char** NXArgv;
  43 extern int NXArgc;
  44 extern char** environ;
  45 extern char* __progname;
  46
  47
  48 int
  49 main(int argc, const char* argv[])
  50 {
  51         bool success = true;
  52
  53         if ( _NSGetArgv() != &NXArgv ) {
  54                 FAIL("crt-libSystem _NSGetArgv() != &NXArgv (%p!=%p) for %s", _NSGetArgv(), &NXArgv, argv[0]);
  55                 success = false;
  56         }
  57
  58         if ( _NSGetArgc() != &NXArgc ) {
  59                 FAIL("crt-libSystem _NSGetArgc() != &NXArgc (%p!=%p) for %s", _NSGetArgc(), &NXArgc, argv[0]);
  60                 success = false;
  61         }
  62
  63         if ( _NSGetEnviron() != &environ ) {
  64                 FAIL("crt-libSystem _NSGetEnviron() != &environv (%p!=%p) for %s", _NSGetEnviron(), &environ, argv[0]);
  65                 success = false;
  66         }
  67
  68         if ( _NSGetProgname() != &__progname ) {
  69                 FAIL("crt-libSystem _NSGetProgname() != &__progname (%p!=%p) for %s", _NSGetProgname(), &__progname, argv[0]);
  70                 success = false;
  71         }
  72
  73         if ( _NSGetMachExecuteHeader() != &_mh_execute_header ) {
  74                 FAIL("crt-libSystem _NSGetMachExecuteHeader() != &_mh_execute_headerv (%p!=%p) for %s", _NSGetMachExecuteHeader(), &_mh_execute_header, argv[0]);
  75                 success = false;
  76         }
  77
  78         if ( sVars->NXArgvPtr != &NXArgv ) {
  79                 FAIL("crt-libSystem sVars->NXArgvPtr != &NXArg (%p!=%p) for %s", sVars->NXArgvPtr, &NXArgv, argv[0]);
  80                 success = false;
  81         }
  82
  83         if ( sVars->NXArgcPtr != &NXArgc ) {
  84                 FAIL("crt-libSystem sVars->NXArgcPtr != &NXArgc (%p!=%p) for %s", sVars->NXArgcPtr, &NXArgc, argv[0]);
  85                 success = false;
  86         }
  87
  88         if ( sVars->environPtr != &environ ) {
  89                 FAIL("crt-libSystem sVars->environPtr != &environ (%p!=%p) for %s", sVars->environPtr, &environ, argv[0]);
  90                 success = false;
  91         }
  92
  93         if ( sVars->__prognamePtr != &__progname ) {
  94                 FAIL("crt-libSystem sVars->__prognamePtr != &__progname (%p!=%p) for %s", sVars->__prognamePtr, &__progname, argv[0]);
  95                 success = false;
  96         }
  97
  98         if ( sVars->mh != &_mh_execute_header ) {
  99                 FAIL("crt-libSystem sVars->mh != &_mh_execute_header (%p!=%p) for %s", sVars->mh, &_mh_execute_header, argv[0]);
 100                 success = false;
 101         }
 102
 103         if ( success )
 104                 PASS("crt-libSystem");
 105
 106         return EXIT_SUCCESS;
 107 }
 108
 109
 110
 111 void __attribute__((constructor))
 112 myInit(int argc, const char* argv[], const char* envp[], const char* apple[], const struct ProgramVars* vars)
 113 {
 114         sVars = vars;
 115 }
 116
 117
 118
 119
 120