system_cmds-735.tar.gz

[apple/system_cmds.git] / CPPUtil / UtilMappedFile.cpp

diff --git a/CPPUtil/UtilMappedFile.cpp b/CPPUtil/UtilMappedFile.cpp
deleted file mode 100644 (file)
index acc71bd..0000000
--- a/CPPUtil/UtilMappedFile.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-//
-//  UtilMappedFile.cpp
-//  CPPUtil
-//
-//  Created by James McIlree on 4/19/13.
-//  Copyright (c) 2013 Apple. All rights reserved.
-//
-
-#include "CPPUtil.h"
-
-#include <sys/mman.h>
-
-BEGIN_UTIL_NAMESPACE
-
-static int open_fd(const char* path, size_t& file_size)
-{
-       int fd = open(path, O_RDONLY, 0);
-       if(fd >= 0) {
-               struct stat data;
-               if (fstat(fd, &data) == 0) {
-                       if (S_ISREG(data.st_mode)) {
-                               // Is it zero sized?
-                               if (data.st_size > 0) {
-                                       file_size = (size_t)data.st_size;
-                                       return fd;
-                               }
-                       }
-               }
-               close(fd);
-       }
-
-       return -1;
-}
-
-MappedFile::MappedFile(const char* path) :
-       _address(NULL),
-       _size(0)
-{
-        ASSERT(path, "Sanity");
-       int fd = open_fd(path, _size);
-       if (fd >= 0) {
-               _address = (unsigned char*)mmap(NULL, _size, PROT_READ, MAP_FILE | MAP_SHARED, fd, 0);
-               if (_address == (void*)-1) {
-                       _address = NULL;
-               }
-               close(fd);
-       }
-}
-
-MappedFile::~MappedFile()
-{
-       if (_address != NULL) {
-               munmap(_address, _size);
-       }
-}
-
-END_UTIL_NAMESPACE