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file_util: Check fd before using dup

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GPUCode 2023-03-24 16:50:48 +02:00
parent 54385a54eb
commit c7f8bc5582
1 changed files with 4 additions and 0 deletions
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4
src/common/file_util.cpp
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@ -1187,6 +1187,8 @@ void OpenFStream<std::ios_base::in>(
boost_iostreams<boost::iostreams::file_descriptor_source>& fstream, boost_iostreams<boost::iostreams::file_descriptor_source>& fstream,
const std::string& filename) { const std::string& filename) {
IOFile file(filename, "r"); IOFile file(filename, "r");
if (file.GetFd() == -1)
return;
int fd = dup(file.GetFd()); int fd = dup(file.GetFd());
if (fd == -1) if (fd == -1)
return; return;
@ -1199,6 +1201,8 @@ template <>
void OpenFStream<std::ios_base::out>( void OpenFStream<std::ios_base::out>(
boost_iostreams<boost::iostreams::file_descriptor_sink>& fstream, const std::string& filename) { boost_iostreams<boost::iostreams::file_descriptor_sink>& fstream, const std::string& filename) {
IOFile file(filename, "w"); IOFile file(filename, "w");
if (file.GetFd() == -1)
return;
int fd = dup(file.GetFd()); int fd = dup(file.GetFd());
if (fd == -1) if (fd == -1)
return; return;