Adding ATFILE glue functions

src/libcglue/Makefile.am

@@ -27,8 +27,9 @@ FDMAN_OBJS = __descriptor_data_pool.o __descriptormap.o __fdman_init.o __fdman_g
 GLUE_OBJS = __dummy_passwd.o __psp_heap_blockid.o __psp_free_heap.o _fork.o _wait.o _open.o _close.o _read.o \
 	_write.o _fstat.o _stat.o lstat.o access.o _fcntl.o  _lseek.o chdir.o mkdir.o rmdir.o getdents.o _link.o _unlink.o \
 	_rename.o _getpid.o _kill.o _sbrk.o _gettimeofday.o _times.o ftime.o clock_getres.o clock_gettime.o clock_settime.o \
-	_isatty.o symlink.o truncate.o chmod.o fchmod.o fchmodat.o pathconf.o readlink.o utime.o fchown.o _getentropy.o getpwuid.o \
-	fsync.o getpwnam.o getuid.o geteuid.o basename.o statvfs.o
+	_isatty.o symlink.o truncate.o chmod.o fchmod.o pathconf.o readlink.o utime.o fchown.o _getentropy.o getpwuid.o \
+	fsync.o getpwnam.o getuid.o geteuid.o basename.o statvfs.o \
+	openat.o renameat.o fchmodat.o fstatat.o mkdirat.o faccessat.o fchownat.o linkat.o readlinkat.o unlinkat.o
 
 INIT_OBJS = __libpthreadglue_init.o __libcglue_init.o __libcglue_deinit.o _exit.o abort.o exit.o
 

src/libcglue/glue.c

@@ -886,13 +886,6 @@ int fchmod(int fd, mode_t mode)
 }
 #endif
 
-#ifdef F_fchmodat
-int fchmodat(int fd, const char *path, mode_t mode, int flag)
-{
-	return chmod(path, mode);
-}
-#endif
-
 #ifdef F_pathconf
 long int pathconf(const char *path, int name) {
 	errno = ENOSYS;
@@ -1058,3 +1051,99 @@ int statvfs (const char *__path, struct statvfs *__buf)
 	__buf->f_namemax = MAXNAMLEN;
 }
 #endif /* F_statvfs  */
+
+/* ATFILE functions */
+
+#ifdef F_openat
+int openat(int dirfd, const char *pathname, int flags, mode_t mode)
+{
+	// TODO: Do better implementation following https://linux.die.net/man/2/openat
+	// for now use the same as open
+	return _open(pathname, flags, mode);
+}
+#endif /* F_openat  */
+
+#ifdef F_renameat
+int renameat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath)
+{
+	// TODO: Do better implementation following https://linux.die.net/man/2/renameat
+	// for now use the same as rename
+	return _rename(oldpath, newpath);
+}
+#endif /* F_renameat  */
+
+#ifdef F_fchmodat
+int fchmodat(int dirfd, const char *pathname, mode_t mode, int flags)
+{
+	// TODO: Do better implementation following https://linux.die.net/man/2/fchmodat
+	// for now use the same as chmod
+	return chmod(pathname, mode);
+}
+#endif /* F_fchmodat  */
+
+#ifdef F_fstatat
+int fstatat(int dirfd, const char *pathname, struct stat *buf, int flags)
+{
+	// TODO: Do better implementation following https://linux.die.net/man/2/fstatat
+	// for now use the same as stat
+	return _stat(pathname, buf);
+}
+#endif /* F_fstatat  */
+
+#ifdef F_mkdirat
+int mkdirat(int dirfd, const char *pathname, mode_t mode)
+{
+	// TODO: Do better implementation following https://linux.die.net/man/2/mkdirat
+	// for now use the same as mkdir
+	return mkdir(pathname, mode);
+}
+#endif /* F_mkdirat  */
+
+#ifdef F_faccessat
+int faccessat(int dirfd, const char *pathname, int mode, int flags)
+{
+	// TODO: Do better implementation following https://linux.die.net/man/2/faccessat
+	// for now use the same as access
+	return access(pathname, mode);
+}
+#endif /* F_faccessat  */
+
+#ifdef F_fchownat
+int fchownat(int dirfd, const char *pathname, uid_t owner, gid_t group, int flags)
+{
+	// TODO: Do better implementation following https://linux.die.net/man/2/fchownat
+	// for now use the same as chown
+	return chown(pathname, owner, group);
+}
+#endif /* F_fchownat  */
+
+#ifdef F_linkat
+int linkat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath, int flags) {
+	// TODO: Do better implementation following https://linux.die.net/man/2/linkat
+	// for now use the same as link
+	return link(oldpath, newpath);
+}
+#endif /* F_linkat  */
+
+#ifdef F_readlinkat
+int readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
+{
+	// TODO: Do better implementation following https://linux.die.net/man/2/linkat
+	// for now use the same as readlink
+	return readlink(pathname, buf, bufsiz);
+}
+#endif /* F_readlinkat  */
+
+#ifdef F_unlinkat
+int unlinkat(int dirfd, const char *pathname, int flags)
+{
+	// If flags contains AT_REMOVEDIR, then the path refers to a directory.
+	// Otherwise, the path refers to a file.
+	if (flags & AT_REMOVEDIR) {
+		return rmdir(pathname);
+	}
+	else {
+		return unlink(pathname);
+	}
+}
+#endif /* F_unlinkat  */