From 1207086b5a6341412c647480eea68c870b18bba1 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Thu, 18 Apr 2024 16:16:18 -0400
Subject: config: Check for getdents{,64}()

---
 src/dir.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'src/dir.c')

diff --git a/src/dir.c b/src/dir.c
index 53c9be3..8b1bee0 100644
--- a/src/dir.c
+++ b/src/dir.c
@@ -17,7 +17,7 @@
 #include <unistd.h>
 
 #if BFS_USE_GETDENTS
-#  if __linux__
+#  if BFS_HAS_GETDENTS64_SYSCALL
 #    include <sys/syscall.h>
 #  endif
 
@@ -25,12 +25,14 @@
 static ssize_t bfs_getdents(int fd, void *buf, size_t size) {
 	sanitize_uninit(buf, size);
 
-#if (__linux__ && __GLIBC__ && !__GLIBC_PREREQ(2, 30)) || __ANDROID__
-	ssize_t ret = syscall(SYS_getdents64, fd, buf, size);
-#elif __linux__
+#if BFS_HAS_GETDENTS
+	ssize_t ret = getdents(fd, buf, size);
+#elif BFS_HAS_GETDENTS64
 	ssize_t ret = getdents64(fd, buf, size);
+#elif BFS_HAS_GETDENTS64_SYSCALL
+	ssize_t ret = syscall(SYS_getdents64, fd, buf, size);
 #else
-	ssize_t ret = getdents(fd, buf, size);
+#  error "No getdents() implementation"
 #endif
 
 	if (ret > 0) {
@@ -42,7 +44,7 @@ static ssize_t bfs_getdents(int fd, void *buf, size_t size) {
 
 #endif // BFS_USE_GETDENTS
 
-#if BFS_USE_GETDENTS && __linux__
+#if BFS_USE_GETDENTS && !BFS_HAS_GETDENTS
 /** Directory entry type for bfs_getdents() */
 typedef struct dirent64 sys_dirent;
 #else
-- 
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