/* Running commands on Amiga
Copyright (C) 1995-2023 Free Software Foundation, Inc.
This file is part of GNU Make.

GNU Make is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3 of the License, or (at your option) any later
version.

GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with
this program.  If not, see <https://www.gnu.org/licenses/>.  */

#include "makeint.h"
#include "variable.h"
#include "amiga.h"
#include <assert.h>
#include <exec/memory.h>
#include <dos/dostags.h>
#include <proto/exec.h>
#include <proto/dos.h>

static const char Amiga_version[] = "$VER: Make 3.74.3 (12.05.96) \n"
                    "Amiga Port by A. Digulla (digulla@home.lake.de)";

int
MyExecute (char **argv)
{
    char * buffer, * ptr;
    char ** aptr;
    int len = 0;
    int status;

    for (aptr=argv; *aptr; aptr++)
    {
        len += strlen (*aptr) + 4;
    }

    buffer = AllocMem (len, MEMF_ANY);

    if (!buffer)
      O (fatal, NILF, "MyExecute: Cannot allocate space for calling a command");

    ptr = buffer;

    for (aptr=argv; *aptr; aptr++)
    {
        if (((*aptr)[0] == ';' && !(*aptr)[1]))
        {
            *ptr ++ = '"';
            ptr = stpcpy (ptr, *aptr);
            *(ptr++) = '"';
        }
        else if ((*aptr)[0] == '@' && (*aptr)[1] == '@' && !(*aptr)[2])
        {
            *ptr ++ = '\n';
            continue;
        }
        else
          ptr = stpcpy (ptr, *aptr);
        *ptr ++ = ' ';
        *ptr = 0;
    }

    ptr[-1] = '\n';

    status = SystemTags (buffer,
        SYS_UserShell, TRUE,
        TAG_END);

    FreeMem (buffer, len);

    if (SetSignal (0L,0L) & SIGBREAKF_CTRL_C)
        status = 20;

    /* Warnings don't count */
    if (status == 5)
        status = 0;

    return status;
}

char *
wildcard_expansion (char *wc, char *o)
{
#   define PATH_SIZE    1024
    struct AnchorPath * apath;

    if ( (apath = AllocMem (sizeof (struct AnchorPath) + PATH_SIZE,
            MEMF_CLEAR))
        )
    {
        apath->ap_Strlen = PATH_SIZE;

        if (MatchFirst (wc, apath) == 0)
        {
            do
            {
                o = variable_buffer_output (o, apath->ap_Buf,
                        strlen (apath->ap_Buf));
                o = variable_buffer_output (o, " ",1);
            } while (MatchNext (apath) == 0);
        }

        MatchEnd (apath);
        FreeMem (apath, sizeof (struct AnchorPath) + PATH_SIZE);
    }

    return o;
}
