/*
    * Get_Filesys.c
    *
    * Example of examining the FileSysRes list
    *
    * Compile with SAS C 5.10  lc -b1 -cfistq -v -y -L
    *
    * Run from CLI only
    */

   #include <exec/types.h>
   #include <exec/memory.h>
   #include <dos/dos.h>
   #include <resources/filesysres.h>

   #include <clib/exec_protos.h>

   #include <stdio.h>

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

   struct FileSysResource *FileSysResBase = NULL;

   void main(int argc, char **argv)
   {

   struct FileSysEntry *fse;
   int x;

   /* NOTE - you should actually be in a Forbid while accessing any
    * system list for which no other method of arbitration is available.
    * However, for this example we will be printing the information
    * (which would break a Forbid anyway) so we won't Forbid.
    * In real life, you should Forbid, copy the information you need,
    * Permit, then print the info.
    */
   if (!(FileSysResBase = (struct FileSysResource *)OpenResource(FSRNAME)))
       printf("Cannot open %s\n",FSRNAME);
   else
       {
       for ( fse = (struct FileSysEntry *)FileSysResBase->fsr_FileSysEntries.lh_Head;
             fse->fse_Node.ln_Succ;
             fse = (struct FileSysEntry *)fse->fse_Node.ln_Succ)
            {
            printf("Found filesystem creator: %s\n",fse->fse_Node.ln_Name);

            printf("                 DosType: ");
            for (x=24; x>=8; x-=8)
                 putchar((fse->fse_DosType >> x) & 0xFF);

            putchar((fse->fse_DosType & 0xFF) + 0x30);

            printf("\n                 Version: %d",(fse->fse_Version >> 16));
            printf(".%ld\n\n",(fse->fse_Version & 0xFFFF));
            }
        }
   }

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