diff options
Diffstat (limited to 'lib/Support/Unix/Path.inc')
| -rw-r--r-- | lib/Support/Unix/Path.inc | 51 |
1 files changed, 48 insertions, 3 deletions
diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc index ddc1e0f9ce..9857674a0b 100644 --- a/lib/Support/Unix/Path.inc +++ b/lib/Support/Unix/Path.inc @@ -133,7 +133,9 @@ Path::GetRootDirectory() { Path Path::GetTemporaryDirectory(std::string *ErrMsg) { -#if defined(HAVE_MKDTEMP) +#if defined(__native_client__) + return Path(""); +#elif defined(HAVE_MKDTEMP) // The best way is with mkdtemp but that's not available on many systems, // Linux and FreeBSD have it. Others probably won't. char pathname[] = "/tmp/llvm_XXXXXX"; @@ -251,6 +253,7 @@ Path::GetUserHomeDirectory() { Path Path::GetCurrentDirectory() { +#if !defined(__native_client__) char pathname[MAXPATHLEN]; if (!getcwd(pathname, MAXPATHLEN)) { assert(false && "Could not query current working directory."); @@ -258,6 +261,9 @@ Path::GetCurrentDirectory() { } return Path(pathname); +#else // (__native_client__) + return Path("./"); +#endif // (__native_client__) } #if defined(__FreeBSD__) || defined (__NetBSD__) || \ @@ -318,7 +324,9 @@ getprogpath(char ret[PATH_MAX], const char *bin) /// GetMainExecutable - Return the path to the main executable, given the /// value of argv[0] from program startup. Path Path::GetMainExecutable(const char *argv0, void *MainAddr) { -#if defined(__APPLE__) +#if defined(__native_client__) + return Path(std::string("./") + std::string(argv0)); +#elif defined(__APPLE__) // On OS X the executable path is saved to the stack by dyld. Reading it // from there is much faster than calling dladdr, especially for large // binaries with symbols. @@ -411,7 +419,11 @@ bool Path::getMagicNumber(std::string &Magic, unsigned len) const { bool Path::exists() const { +#if !defined(__native_client__) return 0 == access(path.c_str(), F_OK ); +#else // (__native_client__) + return true; +#endif // (__native_client__) } bool @@ -424,21 +436,33 @@ Path::isDirectory() const { bool Path::isSymLink() const { +#if defined(__native_client__) + return false; +#else struct stat buf; if (0 != lstat(path.c_str(), &buf)) return false; return S_ISLNK(buf.st_mode); +#endif } bool Path::canRead() const { +#if !defined(__native_client__) return 0 == access(path.c_str(), R_OK); +#else // (__native_client__) + return true; +#endif // (__native_client__) } bool Path::canWrite() const { +#if !defined(__native_client__) return 0 == access(path.c_str(), W_OK); +#else // (__native_client__) + return true; +#endif // (__native_client__) } bool @@ -457,6 +481,7 @@ Path::isRegularFile() const { bool Path::canExecute() const { +#if !defined(__native_client__) if (0 != access(path.c_str(), R_OK | X_OK )) return false; struct stat buf; @@ -464,6 +489,7 @@ Path::canExecute() const { return false; if (!S_ISREG(buf.st_mode)) return false; +#endif // (__native_client__) return true; } @@ -511,6 +537,7 @@ PathWithStatus::getFileStatus(bool update, std::string *ErrStr) const { } static bool AddPermissionBits(const Path &File, int bits) { +#if !defined(__native_client__) // Get the umask value from the operating system. We want to use it // when changing the file's permissions. Since calling umask() sets // the umask and returns its old value, we must call it a second @@ -526,6 +553,7 @@ static bool AddPermissionBits(const Path &File, int bits) { // that the umask would not disable. if ((chmod(File.c_str(), (buf.st_mode | (bits & ~mask)))) == -1) return false; +#endif // (__native_client__) return true; } @@ -549,6 +577,7 @@ bool Path::makeExecutableOnDisk(std::string* ErrMsg) { bool Path::getDirectoryContents(std::set<Path>& result, std::string* ErrMsg) const { +#if !defined(__native_client__) DIR* direntries = ::opendir(path.c_str()); if (direntries == 0) return MakeErrMsg(ErrMsg, path + ": can't open directory"); @@ -574,6 +603,7 @@ Path::getDirectoryContents(std::set<Path>& result, std::string* ErrMsg) const { } closedir(direntries); +#endif return false; } @@ -626,7 +656,7 @@ Path::eraseSuffix() { } static bool createDirectoryHelper(char* beg, char* end, bool create_parents) { - +#if !defined(__native_client__) if (access(beg, R_OK | W_OK) == 0) return false; @@ -651,6 +681,9 @@ static bool createDirectoryHelper(char* beg, char* end, bool create_parents) { } return mkdir(beg, S_IRWXU | S_IRWXG) != 0; +#else // (__native_client__) + return false; +#endif // (__native_client__) } bool @@ -674,11 +707,13 @@ Path::createDirectoryOnDisk( bool create_parents, std::string* ErrMsg ) { bool Path::createFileOnDisk(std::string* ErrMsg) { +#if !defined(__native_client__) // Create the file int fd = ::creat(path.c_str(), S_IRUSR | S_IWUSR); if (fd < 0) return MakeErrMsg(ErrMsg, path + ": can't create file"); ::close(fd); +#endif // (__native_client__) return false; } @@ -698,6 +733,7 @@ Path::createTemporaryFileOnDisk(bool reuse_current, std::string* ErrMsg) { bool Path::eraseFromDisk(bool remove_contents, std::string *ErrStr) const { +#if !defined(__native_client__) // Get the status so we can determine if it's a file or directory. struct stat buf; if (0 != stat(path.c_str(), &buf)) { @@ -742,18 +778,26 @@ Path::eraseFromDisk(bool remove_contents, std::string *ErrStr) const { if (rmdir(pathname.c_str()) != 0) return MakeErrMsg(ErrStr, pathname + ": can't erase directory"); return false; +#else // (__native_client__) + MakeErrMsg(ErrStr, ": PNACL does not know how to erase directories!"); + return false; +#endif // (__native_client__) + } bool Path::renamePathOnDisk(const Path& newName, std::string* ErrMsg) { +#if !defined(__native_client__) if (0 != ::rename(path.c_str(), newName.c_str())) return MakeErrMsg(ErrMsg, std::string("can't rename '") + path + "' as '" + newName.str() + "'"); +#endif return false; } bool Path::setStatusInfoOnDisk(const FileStatus &si, std::string *ErrStr) const { +#if !defined(__native_client__) struct utimbuf utb; utb.actime = si.modTime.toPosixTime(); utb.modtime = utb.actime; @@ -761,6 +805,7 @@ Path::setStatusInfoOnDisk(const FileStatus &si, std::string *ErrStr) const { return MakeErrMsg(ErrStr, path + ": can't set file modification time"); if (0 != ::chmod(path.c_str(),si.mode)) return MakeErrMsg(ErrStr, path + ": can't set mode"); +#endif // (__native_client__) return false; } |