tools/nolibc: move open() and friends to fcntl.h

This is the location regular userspace expects these definitions.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-3-a069a3f1d145@linutronix.de
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>

diff --git a/tools/include/nolibc/Makefile b/tools/include/nolibc/Makefile
index fd76d267d79a8533b7e78375c30324c962b01973..2132e4f4d2165729ec6d10860d0586f1b71ee0fb 100644 (file)
--- a/tools/include/nolibc/Makefile
+++ b/tools/include/nolibc/Makefile
@@ -32,6 +32,7 @@ all_files := \
                dirent.h \
                elf.h \
                errno.h \
+               fcntl.h \
                limits.h \
                nolibc.h \
                signal.h \

diff --git a/tools/include/nolibc/dirent.h b/tools/include/nolibc/dirent.h
index 946a697e98e4c7bb0970b163ffdfe0e069b1d160..6c60ec4ba27baefc1fc59b607338909e55c50fb6 100644 (file)
--- a/tools/include/nolibc/dirent.h
+++ b/tools/include/nolibc/dirent.h
@@ -10,6 +10,7 @@
 #include "compiler.h"
 #include "stdint.h"
 #include "types.h"
+#include "fcntl.h"
 
 #include <linux/limits.h>
 

diff --git a/tools/include/nolibc/fcntl.h b/tools/include/nolibc/fcntl.h
new file mode 100644 (file)
index 0000000..5feb08a
--- /dev/null
+++ b/tools/include/nolibc/fcntl.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * fcntl definition for NOLIBC
+ * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
+ */
+
+#ifndef _NOLIBC_FCNTL_H
+#define _NOLIBC_FCNTL_H
+
+#include "arch.h"
+#include "types.h"
+#include "sys.h"
+
+/*
+ * int openat(int dirfd, const char *path, int flags[, mode_t mode]);
+ */
+
+static __attribute__((unused))
+int sys_openat(int dirfd, const char *path, int flags, mode_t mode)
+{
+       return my_syscall4(__NR_openat, dirfd, path, flags, mode);
+}
+
+static __attribute__((unused))
+int openat(int dirfd, const char *path, int flags, ...)
+{
+       mode_t mode = 0;
+
+       if (flags & O_CREAT) {
+               va_list args;
+
+               va_start(args, flags);
+               mode = va_arg(args, mode_t);
+               va_end(args);
+       }
+
+       return __sysret(sys_openat(dirfd, path, flags, mode));
+}
+
+/*
+ * int open(const char *path, int flags[, mode_t mode]);
+ */
+
+static __attribute__((unused))
+int sys_open(const char *path, int flags, mode_t mode)
+{
+       return my_syscall4(__NR_openat, AT_FDCWD, path, flags, mode);
+}
+
+static __attribute__((unused))
+int open(const char *path, int flags, ...)
+{
+       mode_t mode = 0;
+
+       if (flags & O_CREAT) {
+               va_list args;
+
+               va_start(args, flags);
+               mode = va_arg(args, mode_t);
+               va_end(args);
+       }
+
+       return __sysret(sys_open(path, flags, mode));
+}
+
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
+#endif /* _NOLIBC_FCNTL_H */

diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h
index 127f0d9068c6508bd45acfe0ebf2ce15acc422b0..bb4183a8fdc41023d9b8b37fe35ec37ca408b4c6 100644 (file)
--- a/tools/include/nolibc/nolibc.h
+++ b/tools/include/nolibc/nolibc.h
@@ -106,6 +106,7 @@
 #include "time.h"
 #include "stackprotector.h"
 #include "dirent.h"
+#include "fcntl.h"
 
 /* Used by programs to avoid std includes */
 #define NOLIBC

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 08c1c074bec89a27e53e5d461a3ebbf71ec323d1..5fa351e6a3512a3d0c609867244ac91e8563ab2a 100644 (file)
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -764,58 +764,6 @@ int mount(const char *src, const char *tgt,
        return __sysret(sys_mount(src, tgt, fst, flags, data));
 }
 
-/*
- * int openat(int dirfd, const char *path, int flags[, mode_t mode]);
- */
-
-static __attribute__((unused))
-int sys_openat(int dirfd, const char *path, int flags, mode_t mode)
-{
-       return my_syscall4(__NR_openat, dirfd, path, flags, mode);
-}
-
-static __attribute__((unused))
-int openat(int dirfd, const char *path, int flags, ...)
-{
-       mode_t mode = 0;
-
-       if (flags & O_CREAT) {
-               va_list args;
-
-               va_start(args, flags);
-               mode = va_arg(args, mode_t);
-               va_end(args);
-       }
-
-       return __sysret(sys_openat(dirfd, path, flags, mode));
-}
-
-/*
- * int open(const char *path, int flags[, mode_t mode]);
- */
-
-static __attribute__((unused))
-int sys_open(const char *path, int flags, mode_t mode)
-{
-       return my_syscall4(__NR_openat, AT_FDCWD, path, flags, mode);
-}
-
-static __attribute__((unused))
-int open(const char *path, int flags, ...)
-{
-       mode_t mode = 0;
-
-       if (flags & O_CREAT) {
-               va_list args;
-
-               va_start(args, flags);
-               mode = va_arg(args, mode_t);
-               va_end(args);
-       }
-
-       return __sysret(sys_open(path, flags, mode));
-}
-
 
 /*
  * int pipe2(int pipefd[2], int flags);