file: Report system error on failure to open file

This commit is contained in:
Brad King 2014-05-20 10:42:13 -04:00
parent 2d5e3d2d2b
commit 2c448dbfe7
7 changed files with 23 additions and 6 deletions

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@ -232,9 +232,10 @@ bool cmFileCommand::HandleWriteCommand(std::vector<std::string> const& args,
cmsys::ofstream file(fileName.c_str(), append?std::ios::app: std::ios::out);
if ( !file )
{
std::string error = "Internal CMake error when trying to open file: ";
error += fileName.c_str();
error += " for writing.";
std::string error = "failed to open for writing (";
error += cmSystemTools::GetLastSystemError();
error += "):\n ";
error += fileName;
this->SetError(error);
return false;
}
@ -292,9 +293,10 @@ bool cmFileCommand::HandleReadCommand(std::vector<std::string> const& args)
if ( !file )
{
std::string error = "Internal CMake error when trying to open file: ";
error += fileName.c_str();
error += " for reading.";
std::string error = "failed to open for reading (";
error += cmSystemTools::GetLastSystemError();
error += "):\n ";
error += fileName;
this->SetError(error);
return false;
}

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@ -84,6 +84,7 @@ add_RunCMake_test(add_dependencies)
add_RunCMake_test(build_command)
add_RunCMake_test(export)
add_RunCMake_test(cmake_minimum_required)
add_RunCMake_test(file)
add_RunCMake_test(find_package)
add_RunCMake_test(get_filename_component)
add_RunCMake_test(if)

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@ -0,0 +1,3 @@
cmake_minimum_required(VERSION 3.0)
project(${RunCMake_TEST} NONE)
include(${RunCMake_TEST}.cmake)

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@ -0,0 +1 @@
1

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@ -0,0 +1,6 @@
CMake Error at FileOpenFailRead.cmake:[0-9]+ \(file\):
file failed to open for reading \(.*\):
.*/Tests/RunCMake/file/does_not_exist/file.txt
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)

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@ -0,0 +1 @@
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/does_not_exist/file.txt" content)

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@ -0,0 +1,3 @@
include(RunCMake)
run_cmake(FileOpenFailRead)