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// Copyright 2010 Google Inc. All Rights Reserved.
#include "os.h"
#include <cstddef>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "file_linux.h"
namespace art {
File* OS::OpenFile(const char* name, bool writable) {
int flags = O_RDONLY;
if (writable) {
flags = (O_RDWR | O_CREAT | O_TRUNC);
}
int fd = open(name, flags, 0666);
if (fd < 0) {
return NULL;
}
return new LinuxFile(name, fd, true);
}
File* OS::FileFromFd(const char* name, int fd) {
return new LinuxFile(name, fd, false);
}
bool OS::FileExists(const char* name) {
struct stat st;
if (stat(name, &st) == 0) {
return S_ISREG(st.st_mode); // TODO: Deal with symlinks?
} else {
return false;
}
}
bool OS::DirectoryExists(const char* name) {
struct stat st;
if (stat(name, &st) == 0) {
return S_ISDIR(st.st_mode); // TODO: Deal with symlinks?
} else {
return false;
}
}
} // namespace art
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