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Merge topic '16607-error-out-on-non-seekable-input-files'

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ded616bd cmListFileLexer: bail out on seek-errors
This commit is contained in:
Brad King 2017-02-28 09:39:21 -05:00 committed by CMake Topic Stage
commit 30243e7faf
7 changed files with 31 additions and 3 deletions
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7
Source/cmListFileCache.cxx
View File

@ -80,6 +80,13 @@ bool cmListFileParser::ParseFile()
return false;
}
if (bom == cmListFileLexer_BOM_Broken) {
cmListFileLexer_SetFileName(this->Lexer, CM_NULLPTR, CM_NULLPTR);
this->IssueFileOpenError("Error while reading Byte-Order-Mark. "
"File not seekable?");
return false;
}
// Verify the Byte-Order-Mark, if any.
if (bom != cmListFileLexer_BOM_None && bom != cmListFileLexer_BOM_UTF8) {
cmListFileLexer_SetFileName(this->Lexer, CM_NULLPTR, CM_NULLPTR);

8
Source/cmListFileLexer.c
View File

@ -2559,11 +2559,15 @@ static cmListFileLexer_BOM cmListFileLexer_ReadBOM(FILE* f)
if (fread(b, 1, 2, f) == 2 && b[0] == 0 && b[1] == 0) {
return cmListFileLexer_BOM_UTF32LE;
}
fsetpos(f, &p);
if (fsetpos(f, &p) != 0) {
return cmListFileLexer_BOM_Broken;
}
return cmListFileLexer_BOM_UTF16LE;
}
}
rewind(f);
if (fseek(f, 0, SEEK_SET) != 0) {
return cmListFileLexer_BOM_Broken;
}
return cmListFileLexer_BOM_None;
}

1
Source/cmListFileLexer.h
View File

@ -32,6 +32,7 @@ struct cmListFileLexer_Token_s
enum cmListFileLexer_BOM_e
{
cmListFileLexer_BOM_None,
cmListFileLexer_BOM_Broken,
cmListFileLexer_BOM_UTF8,
cmListFileLexer_BOM_UTF16BE,
cmListFileLexer_BOM_UTF16LE,

2
Tests/RunCMake/CMakeLists.txt
View File

@ -290,7 +290,7 @@ add_RunCMake_test(target_link_libraries)
add_RunCMake_test(target_compile_features)
add_RunCMake_test(CheckModules)
add_RunCMake_test(CommandLine)
add_RunCMake_test(CommandLine -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME})
add_RunCMake_test(CommandLineTar)
add_RunCMake_test(install)

13
Tests/RunCMake/CommandLine/RunCMakeTest.cmake
View File

@ -1,3 +1,5 @@
cmake_minimum_required(VERSION 3.1)
include(RunCMake)
run_cmake_command(NoArgs ${CMAKE_COMMAND})
@ -301,3 +303,14 @@ set(CMAKE_RELATIVE_PATH_TOP_BINARY \"${RunCMake_TEST_BINARY_DIR}\")
)
endfunction()
run_cmake_depends()
function(reject_fifo)
find_program(BASH_EXECUTABLE bash)
if(BASH_EXECUTABLE)
set(BASH_COMMAND_ARGUMENT "'${CMAKE_COMMAND}' -P <(echo 'return()')")
run_cmake_command(reject_fifo ${BASH_EXECUTABLE} -c ${BASH_COMMAND_ARGUMENT})
endif()
endfunction()
if(CMAKE_HOST_UNIX AND NOT CMAKE_SYSTEM_NAME STREQUAL "CYGWIN")
reject_fifo()
endif()

1
Tests/RunCMake/CommandLine/reject_fifo-result.txt Normal file
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@ -0,0 +1 @@
1

2
Tests/RunCMake/CommandLine/reject_fifo-stderr.txt Normal file
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@ -0,0 +1,2 @@
CMake Error in .*
Error while reading Byte-Order-Mark\. File not seekable\?