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/* Copyright 2017-present Facebook, Inc.
* Licensed under the Apache License, Version 2.0 */
#include "FileInformation.h"
#include "watchman_time.h"
namespace watchman {
#ifndef _WIN32
FileInformation::FileInformation(const struct stat& st)
: mode(st.st_mode),
size(off_t(st.st_size)),
uid(st.st_uid),
gid(st.st_gid),
ino(st.st_ino),
dev(st.st_dev),
nlink(st.st_nlink) {
memcpy(&atime, &st.WATCHMAN_ST_TIMESPEC(a), sizeof(atime));
memcpy(&mtime, &st.WATCHMAN_ST_TIMESPEC(m), sizeof(mtime));
memcpy(&ctime, &st.WATCHMAN_ST_TIMESPEC(c), sizeof(ctime));
}
#endif
#ifdef _WIN32
FileInformation::FileInformation(uint32_t dwFileAttributes)
: fileAttributes(dwFileAttributes) {
if (fileAttributes & FILE_ATTRIBUTE_READONLY) {
mode = 0444;
} else {
mode = 0666;
}
if (fileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
// It's a symlink, but to be msvc compatible, we report
// this as a file. Note that a reparse point can also
// have FILE_ATTRIBUTE_DIRECTORY set if the symlink was
// created with the intention of it appearing as a file.
mode |= _S_IFREG;
} else if (fileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
mode |= _S_IFDIR | 0111 /* executable/searchable */;
} else {
mode |= _S_IFREG;
}
}
#endif
bool FileInformation::isSymlink() const {
#ifdef _WIN32
// We treat all reparse points as equivalent to symlinks
return fileAttributes & FILE_ATTRIBUTE_REPARSE_POINT;
#else
return S_ISLNK(mode);
#endif
}
bool FileInformation::isDir() const {
#ifdef _WIN32
// Note that junctions have both DIRECTORY and REPARSE_POINT set,
// so we have to check both bits to make sure that we only report
// this as a dir if it isn't a junction, otherwise we will fail to
// opendir.
return (fileAttributes &
(FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT)) ==
FILE_ATTRIBUTE_DIRECTORY;
#else
return S_ISDIR(mode);
#endif
}
bool FileInformation::isFile() const {
#ifdef _WIN32
// We can't simply test for FILE_ATTRIBUTE_NORMAL as that is only
// valid when no other bits are set. Instead we check for the absence
// of DIRECTORY and REPARSE_POINT to decide that it is a regular file.
return (fileAttributes &
(FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT)) == 0;
#else
return S_ISREG(mode);
#endif
}
}
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