More MD5

[apt.git] / apt-pkg / contrib / cdromutl.cc

diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index a12c9d790bd3ad80e9e3ece9a269ca724c220094..f6e4bc2164e9d404c7262906083066cccdaf69e6 100644 (file)
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: cdromutl.cc,v 1.4 1999/04/20 05:02:09 jgg Exp $
+// $Id: cdromutl.cc,v 1.9 1999/08/30 07:48:04 jgg Exp $
 /* ######################################################################
    
    CDROM Utilities - Some functions to manipulate CDROM mounts.
@@ -93,18 +93,7 @@ bool UnmountCdrom(string Path)
    }
 
    // Wait for mount
-   int Status = 0;
-   while (waitpid(Child,&Status,0) != Child)
-   {
-      if (errno == EINTR)
-        continue;
-      return _error->Errno("waitpid","Couldn't wait for subprocess");
-   }
-   
-   // Check for an error code.
-   if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
-      return false;
-   return true;
+   return ExecWait(Child,"mount",true);
 }
                                                                        /*}}}*/
 // MountCdrom - Mount a cdrom                                          /*{{{*/
@@ -142,25 +131,14 @@ bool MountCdrom(string Path)
    }
 
    // Wait for mount
-   int Status = 0;
-   while (waitpid(Child,&Status,0) != Child)
-   {
-      if (errno == EINTR)
-        continue;
-      return _error->Errno("waitpid","Couldn't wait for subprocess");
-   }
-   
-   // Check for an error code.
-   if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
-      return false;
-   return true;
+   return ExecWait(Child,"mount",true);
 }
                                                                        /*}}}*/
 // IdentCdrom - Generate a unique string for this CD                   /*{{{*/
 // ---------------------------------------------------------------------
 /* We convert everything we hash into a string, this prevents byte size/order
    from effecting the outcome. */
-bool IdentCdrom(string CD,string &Res)
+bool IdentCdrom(string CD,string &Res,unsigned int Version)
 {
    MD5Summation Hash;
 
@@ -182,8 +160,19 @@ bool IdentCdrom(string CD,string &Res)
       if (strcmp(Dir->d_name,".") == 0 ||
          strcmp(Dir->d_name,"..") == 0)
         continue;
-   
-      sprintf(S,"%lu",Dir->d_ino);
+
+      if (Version <= 1)
+      {
+        sprintf(S,"%lu",(unsigned long)Dir->d_ino);
+      }
+      else
+      {
+        struct stat Buf;
+        if (stat(Dir->d_name,&Buf) != 0)
+           continue;
+        sprintf(S,"%lu",Buf.st_mtime);
+      }
+      
       Hash.Add(S);
       Hash.Add(Dir->d_name);
    };
@@ -192,16 +181,22 @@ bool IdentCdrom(string CD,string &Res)
    closedir(D);
    
    // Some stats from the fsys
-   struct statfs Buf;
-   if (statfs(CD.c_str(),&Buf) != 0)
-      return _error->Errno("statfs","Failed to stat the cdrom");
-
-   // We use a kilobyte block size to advoid overflow
-   sprintf(S,"%u %u",Buf.f_blocks*(Buf.f_bsize/1024),
-          Buf.f_bfree*(Buf.f_bsize/1024));
-   Hash.Add(S);
+   if (_config->FindB("Debug::identcdrom",false) == false)
+   {
+      struct statfs Buf;
+      if (statfs(CD.c_str(),&Buf) != 0)
+        return _error->Errno("statfs","Failed to stat the cdrom");
+      
+      // We use a kilobyte block size to advoid overflow
+      sprintf(S,"%lu %lu",(long)(Buf.f_blocks*(Buf.f_bsize/1024)),
+             (long)(Buf.f_bfree*(Buf.f_bsize/1024)));
+      Hash.Add(S);
+      sprintf(S,"-%u",Version);
+   }
+   else
+      sprintf(S,"-%u.debug",Version);
    
-   Res = Hash.Result().Value();
+   Res = Hash.Result().Value() + S;
    return true;   
 }
                                                                        /*}}}*/