diff options
Diffstat (limited to 'src/utility/io.h')
-rw-r--r-- | src/utility/io.h | 55 |
1 files changed, 7 insertions, 48 deletions
diff --git a/src/utility/io.h b/src/utility/io.h index 4c09b30..1015ddb 100644 --- a/src/utility/io.h +++ b/src/utility/io.h @@ -1,67 +1,26 @@ #ifndef CHANGE_SRC_UTILITY_IO_H_ #define CHANGE_SRC_UTILITY_IO_H_ -#include <unistd.h> -#include <dlfcn.h> -#include <fcntl.h> -#include <sys/stat.h> - -#include <cstring> +#include <string> namespace utility { class FileDescriptorGuard { public: - FileDescriptorGuard(const std::string& path) { - this->fd_ = open(path.c_str(), O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR); - - if ( !this->fd_ ) { - this->fd_ = STDERR_FILENO; - } - } - - ~FileDescriptorGuard() { - close(this->fd_); - } + FileDescriptorGuard(const std::string& path); + ~FileDescriptorGuard(); - operator int() { - return this->fd_; - } + operator int(); private: int fd_; }; -std::string get_file_path(int fd) { - char proc_link[20]; - char file_name[256]; - - snprintf(proc_link, sizeof(proc_link), "/proc/self/fd/%d", fd); - const ssize_t name_size = readlink(proc_link, file_name, sizeof(file_name)); - - if ( name_size > 0 ) { - file_name[name_size] = '\0'; - - return std::string(file_name); - } else { - return std::string(); - } -} - -bool is_regular_file(int fd) { - struct stat fd_stat; - fstat(fd, &fd_stat); - - return S_ISREG(fd_stat.st_mode); -} - -bool is_regular_file(const char* path) { - struct stat fd_stat; - lstat(path, &fd_stat); +std::string get_file_path(int fd); - return S_ISREG(fd_stat.st_mode); -} +bool is_regular_file(int fd); +bool is_regular_file(const char* path); } |