• Ant (10/10) Sep 27 2003 How do we do that?
• Walter (8/18) Sep 28 2003 char** argv = new char*[args.length];
• Ant (5/11) Sep 28 2003 Thanks.
• Helmut Leitner (24/39) Sep 28 2003 This should do the job:

Ant <Ant_member pathlink.com> writes:

How do we do that?

D source:

extern(C) c_parse_args((int argc,char **argv);

void main(char[][] args)
{
     char** argv = ?;

     int argc = args.length

     c_parse_args(argc, argv);
}

Ant

"Walter" <walter digitalmars.com> writes:

char** argv = new char*[args.length];
int i = 0;
foreach (char[] p; args)
{
    argv[i++] = cast(char*)p;
}

"Ant" <Ant_member pathlink.com> wrote in message
news:bl5s9q$140q$1 digitaldaemon.com...
 How do we do that?

 D source:

 extern(C) c_parse_args((int argc,char **argv);

 void main(char[][] args)
 {
      char** argv = ?;

      int argc = args.length

      c_parse_args(argc, argv);
 }

 Ant

Ant <Ant_member pathlink.com> writes:

In article <bl62sm$1dq0$1 digitaldaemon.com>, Walter says...
char** argv = new char*[args.length];
int i = 0;
foreach (char[] p; args)
{
    argv[i++] = cast(char*)p;
}

Thanks.
Maybe this couldl be on one of the C to D pages.

Thanks also to Helmut.

Ant

Helmut Leitner <helmut.leitner chello.at> writes:

Ant wrote:
 
 How do we do that?
 
 D source:
 
 extern(C) c_parse_args((int argc,char **argv);
 
 void main(char[][] args)
 {
      char** argv = ?;
 
      int argc = args.length
 
      c_parse_args(argc, argv);
 }

This should do the job:

    import string;

    alias char [] String;

    char** ArgsRetArgv(String [] args)
    {
      char* [] argv;
      argv.length=args.length+1;

      for(int i; i<args.length; i++) {
        argv[i] = (char *)args[i];
      }
      return argv;
    }

    int main (String [] args)
    {
      char** argv=ArgsRetArgv(args);
//      c_parse_args(args.length,argv);
      return 0;
    }

Its based on the (tested) assumption, that args consists of
slices on the existing '\0'-terminated argv-buffer. 

-- 
Helmut Leitner    leitner hls.via.at
Graz, Austria   www.hls-software.com