diff options
Diffstat (limited to 'src/fsade.c')
| -rw-r--r-- | src/fsade.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/src/fsade.c b/src/fsade.c index 7310141..dfdf125 100644 --- a/src/fsade.c +++ b/src/fsade.c @@ -1,14 +1,16 @@ // Copyright © Tavian Barnes <tavianator@tavianator.com> // SPDX-License-Identifier: 0BSD -#include "prelude.h" #include "fsade.h" + #include "atomic.h" +#include "bfs.h" #include "bfstd.h" #include "bftw.h" #include "dir.h" #include "dstring.h" #include "sanity.h" + #include <errno.h> #include <fcntl.h> #include <stddef.h> @@ -26,17 +28,26 @@ # include <selinux/selinux.h> #endif -#if BFS_USE_SYS_EXTATTR_H +#if __has_include(<sys/extattr.h>) # include <sys/extattr.h> -#elif BFS_USE_SYS_XATTR_H +# define BFS_USE_EXTATTR true +#elif __has_include(<sys/xattr.h>) # include <sys/xattr.h> +# define BFS_USE_XATTR true +#endif + +#ifndef BFS_USE_EXTATTR +# define BFS_USE_EXTATTR false +#endif +#ifndef BFS_USE_XATTR +# define BFS_USE_XATTR false #endif /** * Many of the APIs used here don't have *at() variants, but we can try to * emulate something similar if /proc/self/fd is available. */ -attr(maybe_unused) +_maybe_unused static const char *fake_at(const struct BFTW *ftwbuf) { static atomic int proc_works = -1; @@ -70,7 +81,7 @@ fail: return ftwbuf->path; } -attr(maybe_unused) +_maybe_unused static void free_fake_at(const struct BFTW *ftwbuf, const char *path) { if (path != ftwbuf->path) { dstrfree((dchar *)path); @@ -80,7 +91,7 @@ static void free_fake_at(const struct BFTW *ftwbuf, const char *path) { /** * Check if an error was caused by the absence of support or data for a feature. */ -attr(maybe_unused) +_maybe_unused static bool is_absence_error(int error) { // If the OS doesn't support the feature, it's obviously not enabled for // any files @@ -160,7 +171,7 @@ static int bfs_acl_entry(acl_t acl, int which, acl_entry_t *entry) { } /** Unified interface for acl_get_tag_type(). */ -attr(maybe_unused) +_maybe_unused static int bfs_acl_tag_type(acl_entry_t entry, acl_tag_t *tag) { #if BFS_HAS_ACL_GET_TAG_TYPE return acl_get_tag_type(entry, tag); @@ -344,7 +355,7 @@ int bfs_check_capabilities(const struct BFTW *ftwbuf) { #if BFS_CAN_CHECK_XATTRS -#if BFS_USE_SYS_EXTATTR_H +#if BFS_USE_EXTATTR /** Wrapper for extattr_list_{file,link}. */ static ssize_t bfs_extattr_list(const char *path, enum bfs_type type, int namespace) { @@ -390,13 +401,13 @@ static ssize_t bfs_extattr_get(const char *path, enum bfs_type type, int namespa #endif } -#endif // BFS_USE_SYS_EXTATTR_H +#endif // BFS_USE_EXTATTR int bfs_check_xattrs(const struct BFTW *ftwbuf) { const char *path = fake_at(ftwbuf); ssize_t len; -#if BFS_USE_SYS_EXTATTR_H +#if BFS_USE_EXTATTR len = bfs_extattr_list(path, ftwbuf->type, EXTATTR_NAMESPACE_SYSTEM); if (len <= 0) { len = bfs_extattr_list(path, ftwbuf->type, EXTATTR_NAMESPACE_USER); @@ -432,7 +443,7 @@ int bfs_check_xattr_named(const struct BFTW *ftwbuf, const char *name) { const char *path = fake_at(ftwbuf); ssize_t len; -#if BFS_USE_SYS_EXTATTR_H +#if BFS_USE_EXTATTR len = bfs_extattr_get(path, ftwbuf->type, EXTATTR_NAMESPACE_SYSTEM, name); if (len < 0) { len = bfs_extattr_get(path, ftwbuf->type, EXTATTR_NAMESPACE_USER, name); |