Try compiling it with debug info (-g) and run it under the debugger and see
where it is dying.

"Andrew Edwards" <edwardsac@spamfreeusa.com> wrote in message news:brolif$nf3$1@digitaldaemon.com...
> The program below crashes on line 70 with Access Violation error. I've
spent
> in excess of 48 hours trying to determine why but am at a complete lost. Your assistance in identifying the cause, any tip on improving the code is greatly appreciated.
>
> Andrew
>
> ================================================================
> // plmsinstall.d
> // (c) Andrew Edwards 2003
> // Author makes no implied or written
>
> private import std.stream;
> private import urllib;  // decoupled Burton's urllib from DIG: now
compiles
> with DMD v0.76
> private import std.zip;
> alias std.c.windows.windows.GetFileAttributesA getFileAttributes;
>
> void main(char [][] args)
> {
>   char [] dirname = "pubs";
>   char [] path = "c:\\" ~ dirname ~ "\\";
>   char [] filename = "monitor.dat";
>   char [] url = "file://c:/plmszip.exe";
>   byte [] plmszip;
>
>   chdir("c:\\");
>   if(fileExist(dirname))
>   {
>     char [][] directory = listdir(dirname);
>     foreach(char[] file; directory)
>       remove(path ~ file);
>     rmdir(dirname);
>   }
>   mkdir(dirname);
>   chdir(dirname);
>   write(filename, "YA:\\C:\\C:\\");
>   stdout.writeLine("Please stand by: Downloading file from Internet!");
>   download(url, plmszip); // download SFX file from url
>   stdout.writeLine("Download complete");
>   stdout.writeLine("Performing installation...");
>   extract(plmszip);       // extract only required files from SFX
>   stdout.writeLine("Instalation complete!");
> }
>
> bit fileExist(char[] filename)
> {
>   return (getFileAttributes(toStringz(filename)) != 0xFFFFFFFF);
> }
>
> void download(char[] source, out byte[] target)
> {
>   target = urllib.urlread(source);
> }
>
> void extract(byte[] buffer)
> {
>   std.zip.ZipArchive zipfile;
>   zipfile = new std.zip.ZipArchive(cast(void[])buffer);
>
>   byte [] ibuffer;  // to hold extracted file plmsfile.exe
>
>   // Extract plmszipfile.exe
>   foreach(ArchiveMember file; zipfile.directory)
>   {
>     if(file.name != "PLMSFILE.EXE")
>       continue;
>
>     std.zip.ZipArchive plmsfile;
>     ibuffer = cast(byte[])zipfile.expand(file);
>     plmsfile = new std.zip.ZipArchive(cast(void[])ibuffer);
>
>     stdout.writeString("Now entering ");
>     stdout.writeLine(file.name);
>     foreach(ArchiveMember file; plmsfile.directory)
>     {
>       if(file.name == "INSTALLS.BAT")
>         continue;
>       std.zip.ZipArchive archive;
>       ibuffer = null;
>       stdout.writeLine("Program crashes here with");  // Test
>       ibuffer = cast(byte[])plmsfile.expand(file);
>       stdout.writeLine("Access Violation Error");  // Test
>       archive = new std.zip.ZipArchive(cast(void[])ibuffer);
>
>       foreach(ArchiveMember member; archive.directory)
>       {
>         write(member.name, cast(byte[])archive.expand(file));
>       }
>       delete archive;
>     }
>   }
> }
>
>