X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/63b1700fd93787682eedc95546a0364f449f036d..4c6cf49317769725fee34a132c52ec1fe076b8b5:/methods/gzip.cc?ds=inline

diff --git a/methods/gzip.cc b/methods/gzip.cc
index 4a52c7a0c..fc4e1ecfd 100644
--- a/methods/gzip.cc
+++ b/methods/gzip.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: gzip.cc,v 1.12 2001/03/06 07:15:29 jgg Exp $
+// $Id: gzip.cc,v 1.17.2.1 2004/01/16 18:58:50 mdz Exp $
 /* ######################################################################
 
    GZip method - Take a file URI in and decompress it into the target 
@@ -20,6 +20,7 @@
 #include <utime.h>
 #include <stdio.h>
 #include <errno.h>
+#include <apti18n.h>
 									/*}}}*/
 
 class GzipMethod : public pkgAcqMethod
@@ -45,41 +46,17 @@ bool GzipMethod::Fetch(FetchItem *Itm)
    URIStart(Res);
    
    // Open the source and destination files
-   FileFd From(Path,FileFd::ReadOnly);
+   FileFd From(Path,FileFd::ReadOnlyGzip);
 
-   int GzOut[2];   
-   if (pipe(GzOut) < 0)
-      return _error->Errno("pipe","Couldn't open pipe for gzip");
+   if(From.FileSize() == 0)
+      return _error->Error(_("Empty files can't be valid archives"));
 
-   // Fork gzip
-   int Process = ExecFork();
-   if (Process == 0)
-   {
-      close(GzOut[0]);
-      dup2(From.Fd(),STDIN_FILENO);
-      dup2(GzOut[1],STDOUT_FILENO);
-      From.Close();
-      close(GzOut[1]);
-      SetCloseExec(STDIN_FILENO,false);
-      SetCloseExec(STDOUT_FILENO,false);
-      
-      const char *Args[3];
-      Args[0] = _config->Find("Dir::bin::gzip","gzip").c_str();
-      Args[1] = "-d";
-      Args[2] = 0;
-      execvp(Args[0],(char **)Args);
-      _exit(100);
-   }
-   From.Close();
-   close(GzOut[1]);
-   
-   FileFd FromGz(GzOut[0]);  // For autoclose   
-   FileFd To(Itm->DestFile,FileFd::WriteEmpty);   
+   FileFd To(Itm->DestFile,FileFd::WriteAtomic);   
    To.EraseOnFailure();
    if (_error->PendingError() == true)
       return false;
    
-   // Read data from gzip, generate checksums and write
+   // Read data from source, generate checksums and write
    Hashes Hash;
    bool Failed = false;
    while (1) 
@@ -87,31 +64,23 @@ bool GzipMethod::Fetch(FetchItem *Itm)
       unsigned char Buffer[4*1024];
       unsigned long Count;
       
-      Count = read(GzOut[0],Buffer,sizeof(Buffer));
-      if (Count < 0 && errno == EINTR)
-	 continue;
-      
-      if (Count < 0)
+      if (!From.Read(Buffer,sizeof(Buffer),&Count))
       {
-	 _error->Errno("read", "Read error from gzip process");
-	 Failed = true;
-	 break;
+	 To.OpFail();
+	 return false;
       }
-      
       if (Count == 0)
 	 break;
-      
+
       Hash.Add(Buffer,Count);
-      To.Write(Buffer,Count);
+      if (To.Write(Buffer,Count) == false)
+      {
+	 Failed = true;
+	 break;
+      }      
    }
    
-   // Wait for gzip to finish
-   if (ExecWait(Process,_config->Find("Dir::bin::gzip","gzip").c_str(),false) == false)
-   {
-      To.OpFail();
-      return false;
-   }  
-       
+   From.Close();
    To.Close();
    
    if (Failed == true)
@@ -120,21 +89,21 @@ bool GzipMethod::Fetch(FetchItem *Itm)
    // Transfer the modification times
    struct stat Buf;
    if (stat(Path.c_str(),&Buf) != 0)
-      return _error->Errno("stat","Failed to stat");
+      return _error->Errno("stat",_("Failed to stat"));
 
    struct utimbuf TimeBuf;
    TimeBuf.actime = Buf.st_atime;
    TimeBuf.modtime = Buf.st_mtime;
    if (utime(Itm->DestFile.c_str(),&TimeBuf) != 0)
-      return _error->Errno("utime","Failed to set modification time");
+      return _error->Errno("utime",_("Failed to set modification time"));
 
    if (stat(Itm->DestFile.c_str(),&Buf) != 0)
-      return _error->Errno("stat","Failed to stat");
+      return _error->Errno("stat",_("Failed to stat"));
    
    // Return a Done response
    Res.LastModified = Buf.st_mtime;
    Res.Size = Buf.st_size;
-   Res.MD5Sum = Hash.MD5.Result();
+   Res.TakeHashes(Hash);
 
    URIDone(Res);
    
@@ -142,8 +111,10 @@ bool GzipMethod::Fetch(FetchItem *Itm)
 }
 									/*}}}*/
 
-int main()
+int main(int argc, char *argv[])
 {
+   setlocale(LC_ALL, "");
+
    GzipMethod Mth;
    return Mth.Run();
 }