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D4GWSTUB.C
Package: c_compiler.zip　[view]
Upload User: hlzzc88
Upload Date: 2007-01-06
Package Size: 220k
Code Size: 1k
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Compiler program

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D4GWSTUB.C：Code Content
  1. /*
  2.    Compile with WATCOM C :
  3. wcl /y /ms /d0 /ox d4gwstub.c
  4. */
  5. #include <stdio.h>
  6. #include <stdlib.h>
  7. #include <process.h>
  8. #include <errno.h>
  9. #include <string.h>
  11. // #define QUIET
  13. /* Add environment strings to be searched here */
  14. char *paths_to_check[] = {
  15.         "DOS4GPATH",
  16.         "PATH"
  17. };
  19. char *dos4g_path(void) {
  20.     static char fullpath[80];
  21.     int i;
  23.     for( i = 0; i < sizeof( paths_to_check )/sizeof( paths_to_check[0] ); i++) {
  24.         _searchenv( "dos4g.exe", paths_to_check[i], fullpath );
  25.         if( fullpath[0] ) 
  26.              return( &fullpath );
  27.     }
  28.     for( i = 0; i < sizeof( paths_to_check )/sizeof( paths_to_check[0] ); i++) {
  29.         _searchenv( "dos4gw.exe", paths_to_check[i], fullpath );
  30.         if( fullpath[0] ) 
  31.              return( &fullpath );
  32.     }
  33.     return( "dos4gw.exe" );
  34. }
  37. void main( int argc, char *argv[] ) {
  38.     char        *av[4];
  39.     auto char   cmdline[128];
  41.     av[0] = dos4g_path();               /* Locate the DOS/4G loader */
  42.     av[1] = argv[0];                    /* name of executable to run */
  43.     av[2] = getcmd( cmdline );          /* command line */
  44.     av[3] = NULL;                       /* end of list */
  45. #ifdef QUIET
  46.     putenv( "DOS4G=QUIET" );    /* disables DOS/4G Copyright banner */
  47. #endif
  48.     execvp( av[0], av );
  49.     puts( "Stub exec failed:" );
  50.     puts( av[0] );
  51.     puts( strerror( errno ) );
  52.     exit( 1 );                  /* indicate error */
  53. }