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Add file(MD5) command to compute cryptographic hash

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Provide a CMake-language binding to the md5sum function previously
available only by "cmake -E md5sum".
This commit is contained in:
Brad King
2011-11-15 20:39:36 -05:00
parent ed7cef5634
commit 042f7965c3
9 changed files with 62 additions and 1 deletions
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36
Source/cmFileCommand.cxx
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@@ -13,6 +13,7 @@
#include "cmake.h"
#include "cmHexFileConverter.h"
#include "cmFileTimeComparison.h"
#include "cmCryptoHash.h"
#if defined(CMAKE_BUILD_WITH_CMAKE)
#include "cm_curl.h"
@@ -22,6 +23,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <cmsys/auto_ptr.hxx>
#include <cmsys/Directory.hxx>
#include <cmsys/Glob.hxx>
#include <cmsys/RegularExpression.hxx>
@@ -83,6 +85,10 @@ bool cmFileCommand
{
return this->HandleReadCommand(args);
}
else if ( subCommand == "MD5" )
{
return this->HandleHashCommand(args);
}
else if ( subCommand == "STRINGS" )
{
return this->HandleStringsCommand(args);
@@ -338,6 +344,36 @@ bool cmFileCommand::HandleReadCommand(std::vector<std::string> const& args)
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleHashCommand(std::vector<std::string> const& args)
{
if(args.size() != 3)
{
cmOStringStream e;
e << args[0] << " requires a file name and output variable";
this->SetError(e.str().c_str());
return false;
}
cmsys::auto_ptr<cmCryptoHash> hash;
if(args[0] == "MD5")
{ hash.reset(new cmCryptoHashMD5); }
if(hash.get())
{
std::string out = hash->HashFile(args[1].c_str());
if(!out.empty())
{
this->Makefile->AddDefinition(args[2].c_str(), out.c_str());
return true;
}
cmOStringStream e;
e << args[0] << " failed to read file \"" << args[1] << "\": "
<< cmSystemTools::GetLastSystemError();
this->SetError(e.str().c_str());
}
return false;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleStringsCommand(std::vector<std::string> const& args)
{