+++ /dev/null
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2011 Stanislav Sedov <stas@FreeBSD.org>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- */
-
-#if defined(__FreeBSD__)
-#include <errno.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <strings.h>
-#include <sys/types.h>
-#include <sys/extattr.h>
-#elif defined(__linux__)
-#include <sys/types.h>
-#include <sys/xattr.h>
-#elif defined(DARWIN)
-#include <sys/xattr.h>
-#else
-#error "Your system is not supported!"
-#endif
-
-#include "common/xattr.h"
-
-/*
- * Sets extended attribute on a file.
- * Returns 0 on success, -1 on failure.
- */
-int
-ceph_os_setxattr(const char *path, const char *name,
- const void *value, size_t size)
-{
- int error = -1;
-
-#if defined(__FreeBSD__)
- error = extattr_set_file(path, EXTATTR_NAMESPACE_USER, name, value,
- size);
- if (error > 0)
- error = 0;
-#elif defined(__linux__)
- error = setxattr(path, name, value, size, 0);
-#elif defined(DARWIN)
- error = setxattr(path, name, value, size, 0 /* position */, 0);
-#endif
-
- return (error);
-}
-
-int
-ceph_os_fsetxattr(int fd, const char *name, const void *value,
- size_t size)
-{
- int error = -1;
-
-#if defined(__FreeBSD__)
- error = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, name, value, size);
- if (error > 0)
- error = 0;
-#elif defined(__linux__)
- error = fsetxattr(fd, name, value, size, 0);
-#elif defined(DARWIN)
- error = fsetxattr(fd, name, value, size, 0, 0 /* no options should be indentical to Linux */ );
-#endif
-
- return (error);
-}
-
-ssize_t
-ceph_os_getxattr(const char *path, const char *name,
-void *value, size_t size)
-{
- ssize_t error = -1;
-
-#if defined(__FreeBSD__)
- if (value == NULL || size == 0) {
- error = extattr_get_file(path, EXTATTR_NAMESPACE_USER, name, value,
- size);
- } else {
- error = extattr_get_file(path, EXTATTR_NAMESPACE_USER, name, NULL,
- 0);
- if (error > 0) {
- if (error > size) {
- errno = ERANGE;
- error = -1;
- } else {
- error = extattr_get_file(path, EXTATTR_NAMESPACE_USER,
- name, value, size);
- }
- }
- }
-#elif defined(__linux__)
- error = getxattr(path, name, value, size);
-#elif defined(DARWIN)
- error = getxattr(path, name, value, size, 0 /* position */, 0);
- /* ENOATTR and ENODATA have different values */
- if (error < 0 && errno == ENOATTR)
- errno = ENODATA;
-#endif
-
- return (error);
-}
-
-ssize_t
-ceph_os_fgetxattr(int fd, const char *name, void *value,
- size_t size)
-{
- ssize_t error = -1;
-
-#if defined(__FreeBSD__)
- if (value == NULL || size == 0) {
- error = extattr_get_fd(fd, EXTATTR_NAMESPACE_USER, name, value,
- size);
- } else {
- error = extattr_get_fd(fd, EXTATTR_NAMESPACE_USER, name, NULL,
- 0);
- if (error > 0) {
- if (error > size) {
- errno = ERANGE;
- error = -1;
- } else {
- error = extattr_get_fd(fd, EXTATTR_NAMESPACE_USER,
- name, value, size);
- }
- }
- }
-#elif defined(__linux__)
- error = fgetxattr(fd, name, value, size);
-#elif defined(DARWIN)
- error = fgetxattr(fd, name, value, size, 0, 0 /* no options */);
- /* ENOATTR and ENODATA have different values */
- if (error < 0 && errno == ENOATTR)
- errno = ENODATA;
-#endif
-
- return (error);
-}
-
-ssize_t
-ceph_os_listxattr(const char *path, char *list, size_t size)
-{
- ssize_t error = -1;
-
-#if defined(__FreeBSD__)
- /*
- * XXX. The format of the list FreeBSD returns differs
- * from the Linux ones. We have to perform the conversion. :-(
- */
- char *newlist, *p, *p1;
-
- if (size != 0) {
- newlist = malloc(size);
- if (newlist != NULL) {
- error = extattr_list_file(path, EXTATTR_NAMESPACE_USER,
- newlist, size);
- if (error > 0) {
- p = newlist;
- p1 = list;
- while ((p - newlist) < error) {
- uint8_t len = *(uint8_t *)p;
- p++;
- if ((p + len - newlist) > error)
- break;
- if (len > 0) {
- bcopy(p, p1, len);
- p += len;
- p1 += len;
- *p1++ = '\0';
- }
- }
- error = p1 - list;
- }
- free(newlist);
- }
- } else {
- error = extattr_list_file(path, EXTATTR_NAMESPACE_USER,
- list, size);
- }
-#elif defined(__linux__)
- error = listxattr(path, list, size);
-#elif defined(DARWIN)
- error = listxattr(path, list, size, 0);
-#endif
-
- return (error);
-}
-
-ssize_t
-ceph_os_flistxattr(int fd, char *list, size_t size)
-{
- ssize_t error = -1;
-
-#if defined(__FreeBSD__)
- /*
- * XXX. The format of the list FreeBSD returns differs
- * from the Linux ones. We have to perform the conversion. :-(
- */
- char *newlist, *p, *p1;
-
- if (size != 0) {
- newlist = malloc(size);
- if (newlist != NULL) {
- error = extattr_list_fd(fd, EXTATTR_NAMESPACE_USER,
- newlist, size);
- if (error > 0) {
- p = newlist;
- p1 = list;
- while ((p - newlist) < error) {
- uint8_t len = *(uint8_t *)p;
- p++;
- if ((p + len - newlist) > error)
- break;
- if (len > 0) {
- bcopy(p, p1, len);
- p += len;
- p1 += len;
- *p1++ = '\0';
- }
- }
- error = p1 - list;
- }
- free(newlist);
- }
- } else {
- error = extattr_list_fd(fd, EXTATTR_NAMESPACE_USER,
- list, size);
- }
-#elif defined(__linux__)
- error = flistxattr(fd, list, size);
-#elif defined(DARWIN)
- error = flistxattr(fd, list, size, 0);
-#endif
-
- return (error);
-}
-
-int
-ceph_os_removexattr(const char *path, const char *name)
-{
- int error = -1;
-
-#if defined(__FreeBSD__)
- error = extattr_delete_file(path, EXTATTR_NAMESPACE_USER, name);
-#elif defined(__linux__)
- error = removexattr(path, name);
-#elif defined(DARWIN)
- error = removexattr(path, name, 0);
- /* ENOATTR and ENODATA have different values */
- if (error < 0 && errno == ENOATTR)
- errno = ENODATA;
-#endif
-
- return (error);
-}
-
-int
-ceph_os_fremovexattr(int fd, const char *name)
-{
- int error = -1;
-
-#if defined(__FreeBSD__)
- error = extattr_delete_fd(fd, EXTATTR_NAMESPACE_USER, name);
-#elif defined(__linux__)
- error = fremovexattr(fd, name);
-#elif defined(DARWIN)
- error = fremovexattr(fd, name, 0);
- /* ENOATTR and ENODATA have different values */
- if (error < 0 && errno == ENOATTR)
- errno = ENODATA;
-#endif
-
- return (error);
-}
Code Review / stor4nfv.git / blobdiff