https://github.com/Kitware/CMake
Revision 2f9c2539614c744092cd46149787440639ce9579 authored by Marc Chevrier on 25 October 2018, 17:21:11 UTC, committed by Brad King on 26 October 2018, 13:36:53 UTC
Fixes: #18503
1 parent fd02538
Tip revision: 2f9c2539614c744092cd46149787440639ce9579 authored by Marc Chevrier on 25 October 2018, 17:21:11 UTC
Help: clarify "LINKER:" prefix usage
Help: clarify "LINKER:" prefix usage
Tip revision: 2f9c253
cmPathLabel.cxx
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmPathLabel.h"
cmPathLabel::cmPathLabel(const std::string& label)
: Label(label)
, Hash(0)
{
// Use a Jenkins one-at-a-time hash with under/over-flow protection
for (char i : this->Label) {
this->Hash += i;
this->Hash += ((this->Hash & 0x003FFFFF) << 10);
this->Hash ^= ((this->Hash & 0xFFFFFFC0) >> 6);
}
this->Hash += ((this->Hash & 0x1FFFFFFF) << 3);
this->Hash ^= ((this->Hash & 0xFFFFF800) >> 11);
this->Hash += ((this->Hash & 0x0001FFFF) << 15);
}
bool cmPathLabel::operator<(const cmPathLabel& l) const
{
return this->Hash < l.Hash;
}
bool cmPathLabel::operator==(const cmPathLabel& l) const
{
return this->Hash == l.Hash;
}
Computing file changes ...