workbench/c/LibList.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8
   9 #include <exec/memory.h>
  10 #include <exec/tasks.h>
  11 #include <exec/execbase.h>
  12 #include <proto/exec.h>
  13 #include <dos/dosextens.h>
  14 #include <proto/dos.h>
  15
  16 static const char version[] = "$VER: liblist 41.2 (10.10.2005)\n";
  17
  18 struct lib
  19 {
  20     STRPTR name;
  21     APTR address;
  22     WORD version;
  23     WORD revision;
  24     WORD opencnt;
  25     UBYTE flags;
  26 };
  27
  28 static int addlib(struct Library *lib, struct lib **l, STRPTR *e)
  29 {
  30     STRPTR s1, s2;
  31
  32     (*l)->address = lib;
  33     (*l)->version = lib->lib_Version;
  34     (*l)->revision = lib->lib_Revision;
  35     (*l)->opencnt = lib->lib_OpenCnt;
  36     (*l)->flags    = lib->lib_Flags;
  37
  38     s1 = lib->lib_Node.ln_Name;
  39
  40     if(s1!=NULL)
  41     {
  42         s2=s1;
  43         while(*s2++)
  44             ;
  45         while(s2>s1)
  46         {
  47             if(*e<=(STRPTR)l)
  48                 return 0;
  49             *--(*e)=*--s2;
  50         }
  51     }
  52     if((STRPTR)(*l+1)>*e)
  53         return 0;
  54
  55     (*l)->name=*e;
  56     ++*l;
  57
  58     return 1;
  59 }
  60
  61 static int fillbuffer(struct lib **buffer, IPTR size)
  62 {
  63     STRPTR end=(STRPTR)*buffer+size;
  64     struct Library *lib;
  65     Forbid();
  66     for(lib=(struct Library *)SysBase->LibList.lh_Head;
  67         lib->lib_Node.ln_Succ!=NULL;
  68         lib=(struct Library *)lib->lib_Node.ln_Succ)
  69         if(!addlib(lib,buffer,&end))
  70         {
  71             Permit();
  72             return 0;
  73         }
  74     Permit();
  75     return 1;
  76 }
  77
  78 int __nocommandline;
  79
  80 int main(void)
  81 {
  82     IPTR size;
  83     struct lib *buffer,*libs,*libs2;
  84     LONG error=RETURN_OK;
  85
  86     for(size=2048;;size+=2048)
  87     {
  88         buffer=AllocVec(size,MEMF_ANY);
  89         if(buffer==NULL)
  90         {
  91             FPuts(Output(),"Not Enough memory for library buffer\n");
  92             SetIoErr(ERROR_NO_FREE_STORE);
  93             error = RETURN_FAIL;
  94             break;
  95         }
  96         libs=buffer;
  97         if(fillbuffer(&libs,size))
  98         {
  99             FPuts(Output(),"address\t\tversion\trev\topencnt\tflags\tname\n"
 100                            "------------------------------------------------------------\n");
 101             for(libs2=buffer;libs2<libs;libs2++)
 102             {
 103                 IPTR args[6];
 104                 args[0] = (IPTR)libs2->address;
 105                 args[1] = (IPTR)libs2->version;
 106                 args[2] = (IPTR)libs2->revision;
 107                 args[3] = (IPTR)libs2->opencnt;
 108                 args[4] = (IPTR)libs2->flags;
 109                 args[5] = (IPTR)libs2->name;
 110
 111                 VPrintf("0x%08.lx\t%ld\t%ld\t%ld\t0x%lx\t%s\n", args);
 112                 if(SetSignal(0L,SIGBREAKF_CTRL_C) & SIGBREAKF_CTRL_C)
 113                 {
 114                     error = RETURN_FAIL;
 115                     SetIoErr(ERROR_BREAK);
 116                     break;
 117                 }
 118             }
 119             FreeVec(buffer);
 120             break;
 121         }
 122         FreeVec(buffer);
 123     }
 124
 125     if (error != RETURN_OK)
 126     {
 127         PrintFault(IoErr(), NULL);
 128     }
 129
 130     return error;
 131
 132 }