X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/d48c6a7dd41a43a3753b8d15ba0a9deac4526cc5..48f3f1b24b48066cfc23342a5c6470ddf5e0fa6a:/apt-inst/contrib/arfile.cc diff --git a/apt-inst/contrib/arfile.cc b/apt-inst/contrib/arfile.cc index b423eb4cb..905110781 100644 --- a/apt-inst/contrib/arfile.cc +++ b/apt-inst/contrib/arfile.cc @@ -1,12 +1,12 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: arfile.cc,v 1.6 2003/07/18 14:15:11 mdz Exp $ +// $Id: arfile.cc,v 1.6.2.1 2004/01/16 18:58:50 mdz Exp $ /* ###################################################################### AR File - Handle an 'AR' archive AR Archives have plain text headers at the start of each file - section. The headers are aligned on a 2 byte boundry. + section. The headers are aligned on a 2 byte boundary. Information about the structure of AR files can be found in ar(5) on a BSD system, or in the binutils source. @@ -14,15 +14,18 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#ifdef __GNUG__ -#pragma implementation "apt-pkg/arfile.h" -#endif -#include +#include + #include #include +#include #include -#include +#include +#include +#include + +#include /*}}}*/ struct ARArchive::MemberHeader @@ -63,7 +66,7 @@ ARArchive::~ARArchive() byte plain text header then the file data, another header, data, etc */ bool ARArchive::LoadHeaders() { - signed long Left = File.Size(); + off_t Left = File.Size(); // Check the magic byte char Magic[8]; @@ -90,7 +93,7 @@ bool ARArchive::LoadHeaders() StrToNum(Head.Size,Memb->Size,sizeof(Head.Size)) == false) { delete Memb; - return _error->Error(_("Invalid archive member header")); + return _error->Error(_("Invalid archive member header %s"), Head.Name); } // Check for an extra long name string @@ -99,13 +102,16 @@ bool ARArchive::LoadHeaders() char S[300]; unsigned long Len; if (StrToNum(Head.Name+3,Len,sizeof(Head.Size)-3) == false || - Len >= strlen(S)) + Len >= sizeof(S)) { delete Memb; return _error->Error(_("Invalid archive member header")); } if (File.Read(S,Len) == false) + { + delete Memb; return false; + } S[Len] = 0; Memb->Name = S; Memb->Size -= Len; @@ -114,12 +120,12 @@ bool ARArchive::LoadHeaders() else { unsigned int I = sizeof(Head.Name) - 1; - for (; Head.Name[I] == ' '; I--); - Memb->Name = string(Head.Name,I+1); + for (; Head.Name[I] == ' ' || Head.Name[I] == '/'; I--); + Memb->Name = std::string(Head.Name,I+1); } // Account for the AR header alignment - unsigned Skip = Memb->Size % 2; + off_t Skip = Memb->Size % 2; // Add it to the list Memb->Next = List; @@ -127,7 +133,7 @@ bool ARArchive::LoadHeaders() Memb->Start = File.Tell(); if (File.Skip(Memb->Size + Skip) == false) return false; - if (Left < (signed)(Memb->Size + Skip)) + if (Left < (off_t)(Memb->Size + Skip)) return _error->Error(_("Archive is too short")); Left -= Memb->Size + Skip; }