;/* prargs.c - Execute me to compile me with SAS C 5.10
LC -b1 -cfistq -v -y -j73 prargs.c
Blink FROM LIB:c.o,prargs.o LIB LIB:LC.lib,LIB:Amiga.lib TO prargs DEFINE __main=__tinymain
quit
**
** The following example will display all WBArgs if started from
** Workbench, and all Shell arguments if started from the Shell.
**
** NOTE: main and tinymain are prepended with two underscores.
**
** PrArgs.c - This program prints all Workbench or Shell (CLI) arguments.
*/
#include <exec/types.h>
#include <workbench/startup.h>
#include <clib/dos_protos.h>
#include <clib/icon_protos.h>

#include <stdlib.h>
#include <stdio.h>

#ifdef LATTICE
int CXBRK(void) { return(0); }   /* Disable SAS Lattice CTRL/C handling */
int chkabort(void) { return(0); }/* really */
#endif

void main(int argc, char **argv)
{
struct WBStartup *argmsg;
struct WBArg *wb_arg;
LONG ktr;
BPTR olddir;
FILE *outFile;

/* argc is zero when run from the Workbench,
**         positive when run from the CLI.
*/
if (argc == 0)
    {
    /* AmigaDOS has a special facility that  allows a window  */
    /* with a console and a file handle to be easily created. */
    /* CON: windows allow you to use fprintf() with no hassle */
    if (NULL != (outFile = fopen("CON:0/0/640/200/PrArgs","r+")))
        {
        /* in SAS/Lattice, argv is a pointer to the WBStartup message
        ** when argc is zero.  (run under the Workbench.)
        */
        argmsg = (struct WBStartup *)argv ;
        wb_arg = argmsg->sm_ArgList ;         /* head of the arg list */

        fprintf(outFile, "Run from the workbench, %ld args.\n",
                         argmsg->sm_NumArgs);

        for (ktr = 0; ktr < argmsg->sm_NumArgs; ktr++, wb_arg++)
            {
            if (NULL != wb_arg->wa_Lock)
                {
                /* locks supported, change to the proper directory */
                olddir = CurrentDir(wb_arg->wa_Lock) ;

                /* process the file.
                ** If you have done the CurrentDir() above, then you can
                ** access the file by its name.  Otherwise, you have to
                ** examine the lock to get a complete path to the file.
                */
                fprintf(outFile, "\tArg %2.2ld (w/ lock): '%s'.\n",
                                 ktr, wb_arg->wa_Name);

                /* change back to the original directory when done.
                ** be sure to change back before you exit.
                */
                CurrentDir(olddir) ;
                }
            else
                {
                /* something that does not support locks */
                fprintf(outFile, "\tArg %2.2ld (no lock): '%s'.\n",
                                 ktr, wb_arg->wa_Name);
                }
            }
        /* wait before closing down */
        Delay(500L);
        fclose(outFile);
        }
    }
else
    {
    /* using 'tinymain' from lattice c.
    ** define a place to send the output (originating CLI window = "*")
    ** Note - if you open "*" and your program is RUN, the user will not
    ** be able to close the CLI window until you close the "*" file.
    */
    if (NULL != (outFile = fopen("*","r+")))
        {
        fprintf(outFile, "Run from the CLI, %d args.\n", argc);

        for ( ktr = 0; ktr < argc; ktr++)
            {
            /* print an arg, and its number */
            fprintf(outFile, "\tArg %2.2ld: '%s'.\n", ktr, argv[ktr]);
            }
        fclose(outFile);
        }
    }
}

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