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-rw-r--r--src/dir.c2
-rw-r--r--src/fsade.c2
-rw-r--r--src/stat.c4
-rw-r--r--src/util.h36
-rw-r--r--src/xregex.c2
5 files changed, 19 insertions, 27 deletions
diff --git a/src/dir.c b/src/dir.c
index 024e767..6d4a325 100644
--- a/src/dir.c
+++ b/src/dir.c
@@ -229,7 +229,7 @@ int bfs_readdir(struct bfs_dir *dir, struct bfs_dirent *de) {
char *buf = (char *)(dir + 1);
if (dir->pos >= dir->size) {
-#if BFS_HAS_FEATURE(memory_sanitizer, false)
+#if __has_feature(memory_sanitizer)
// Make sure msan knows the buffer is initialized
memset(buf, 0, BUF_SIZE);
#endif
diff --git a/src/fsade.c b/src/fsade.c
index 1444cf4..9e5374f 100644
--- a/src/fsade.c
+++ b/src/fsade.c
@@ -172,7 +172,7 @@ static int bfs_check_acl_type(acl_t acl, acl_type_t type) {
#if __FreeBSD__
int trivial;
-#if BFS_HAS_FEATURE(memory_sanitizer, false)
+#if __has_feature(memory_sanitizer)
// msan seems to be missing an interceptor for acl_is_trivial_np()
trivial = 0;
#endif
diff --git a/src/stat.c b/src/stat.c
index b172780..ab3282a 100644
--- a/src/stat.c
+++ b/src/stat.c
@@ -156,7 +156,7 @@ static int bfs_stat_impl(int at_fd, const char *at_path, int at_flags, struct bf
* Wrapper for the statx() system call, which had no glibc wrapper prior to 2.28.
*/
static int bfs_statx(int at_fd, const char *at_path, int at_flags, unsigned int mask, struct statx *buf) {
-#if BFS_HAS_FEATURE(memory_sanitizer, false)
+#if __has_feature(memory_sanitizer)
// -fsanitize=memory doesn't know about statx(), so tell it the memory
// got initialized
memset(buf, 0, sizeof(*buf));
@@ -310,7 +310,7 @@ int bfs_stat(int at_fd, const char *at_path, enum bfs_stat_flags flags, struct b
at_flags |= AT_SYMLINK_NOFOLLOW;
}
-#if defined(AT_NO_AUTOMOUNT) && (!__GNU__ || BFS_GLIBC_PREREQ(2, 35))
+#if defined(AT_NO_AUTOMOUNT) && (!__GNU__ || __GLIBC_PREREQ(2, 35))
at_flags |= AT_NO_AUTOMOUNT;
#endif
diff --git a/src/util.h b/src/util.h
index ac08e4d..ffa5bcc 100644
--- a/src/util.h
+++ b/src/util.h
@@ -30,28 +30,22 @@
// Some portability concerns
-#ifdef __has_feature
-# define BFS_HAS_FEATURE(feature, fallback) __has_feature(feature)
-#else
-# define BFS_HAS_FEATURE(feature, fallback) fallback
+#ifndef __has_feature
+# define __has_feature(feat) false
#endif
-#ifdef __has_include
-# define BFS_HAS_INCLUDE(header, fallback) __has_include(header)
-#else
-# define BFS_HAS_INCLUDE(header, fallback) fallback
+#ifndef __has_c_attribute
+# define __has_c_attribute(attr) false
#endif
-#ifdef __has_c_attribute
-# define BFS_HAS_C_ATTRIBUTE(attr) __has_c_attribute(attr)
-#else
-# define BFS_HAS_C_ATTRIBUTE(attr) false
+#ifndef __has_attribute
+# define __has_attribute(attr) false
#endif
-#if __GNUC__ && defined(__has_attribute)
-# define BFS_HAS_GNU_ATTRIBUTE(attr) __has_attribute(attr)
+#ifdef __has_include
+# define BFS_HAS_INCLUDE(header, fallback) __has_include(header)
#else
-# define BFS_HAS_GNU_ATTRIBUTE(attr) false
+# define BFS_HAS_INCLUDE(header, fallback) fallback
#endif
#ifndef BFS_HAS_MNTENT
@@ -94,10 +88,8 @@
# define BFS_HAS_UTIL BFS_HAS_INCLUDE(<util.h>, __NetBSD__)
#endif
-#ifdef __GLIBC_PREREQ
-# define BFS_GLIBC_PREREQ(maj, min) __GLIBC_PREREQ(maj, min)
-#else
-# define BFS_GLIBC_PREREQ(maj, min) false
+#ifndef __GLIBC_PREREQ
+# define __GLIBC_PREREQ(maj, min) false
#endif
#if !defined(FNM_CASEFOLD) && defined(FNM_IGNORECASE)
@@ -108,9 +100,9 @@
# define O_DIRECTORY 0
#endif
-#if BFS_HAS_C_ATTRIBUTE(fallthrough)
+#if __has_c_attribute(fallthrough)
# define BFS_FALLTHROUGH [[fallthrough]]
-#elif BFS_HAS_GNU_ATTRIBUTE(fallthrough)
+#elif __has_attribute(fallthrough)
# define BFS_FALLTHROUGH __attribute__((fallthrough))
#else
# define BFS_FALLTHROUGH ((void)0)
@@ -119,7 +111,7 @@
/**
* Adds compiler warnings for bad printf()-style function calls, if supported.
*/
-#if BFS_HAS_GNU_ATTRIBUTE(format)
+#if __has_attribute(format)
# define BFS_FORMATTER(fmt, args) __attribute__((format(printf, fmt, args)))
#else
# define BFS_FORMATTER(fmt, args)
diff --git a/src/xregex.c b/src/xregex.c
index 3c3cf35..4fa098d 100644
--- a/src/xregex.c
+++ b/src/xregex.c
@@ -188,7 +188,7 @@ int bfs_regcomp(struct bfs_regex **preg, const char *pattern, enum bfs_regex_typ
cflags |= REG_ICASE;
}
-#if BFS_HAS_FEATURE(memory_sanitizer, false)
+#if __has_feature(memory_sanitizer)
// https://github.com/google/sanitizers/issues/1496
memset(&regex->impl, 0, sizeof(regex->impl));
#endif