[PATCH 2/2] add hidden aliases for openat funcs

Natanael Copa natanael.copa at gmail.com
Fri Nov 27 14:41:18 UTC 2009


From: Mike Frysinger <vapier at gentoo.org>

openat64() uses openat(), so we need hidden aliases for it.

Signed-off-by: Mike Frysinger <vapier at gentoo.org>
(cherry picked from commit fc0cc43885c69b3029d5783f3ce65ff53f8defe5)

Signed-off-by: Natanael Copa <natanael.copa at gmail.com>
---
 include/fcntl.h                      |    2 ++
 libc/sysdeps/linux/common/openat.c   |    7 +++++++
 libc/sysdeps/linux/common/openat64.c |    7 +++++++
 3 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/include/fcntl.h b/include/fcntl.h
index 084ee8c..7ce3150 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -119,6 +119,7 @@ extern int open64 (__const char *__file, int __oflag, ...) __nonnull ((1));
 # ifndef __USE_FILE_OFFSET64
 extern int openat (int __fd, __const char *__file, int __oflag, ...)
      __nonnull ((2));
+libc_hidden_proto(openat)
 # else
 #  ifdef __REDIRECT
 extern int __REDIRECT (openat, (int __fd, __const char *__file, int __oflag,
@@ -130,6 +131,7 @@ extern int __REDIRECT (openat, (int __fd, __const char *__file, int __oflag,
 
 extern int openat64 (int __fd, __const char *__file, int __oflag, ...)
      __nonnull ((2));
+libc_hidden_proto(openat64)
 #endif
 
 /* Create and open FILE, with mode MODE.  This takes an `int' MODE
diff --git a/libc/sysdeps/linux/common/openat.c b/libc/sysdeps/linux/common/openat.c
index 33bd606..8380ec6 100644
--- a/libc/sysdeps/linux/common/openat.c
+++ b/libc/sysdeps/linux/common/openat.c
@@ -12,7 +12,14 @@
 #undef openat
 
 #ifdef __NR_openat
+/* The openat() prototype is varargs based, but we don't care about that
+ * here, so need to provide our own dedicated signature.
+ */
+extern int openat(int fd, const char *file, int oflag, mode_t mode);
+libc_hidden_proto(openat)
+
 _syscall4(int, openat, int, fd, const char *, file, int, oflag, mode_t, mode)
+libc_hidden_def(openat)
 #else
 /* should add emulation with open() and /proc/self/fd/ ... */
 #endif
diff --git a/libc/sysdeps/linux/common/openat64.c b/libc/sysdeps/linux/common/openat64.c
index 75711aa..06a5819 100644
--- a/libc/sysdeps/linux/common/openat64.c
+++ b/libc/sysdeps/linux/common/openat64.c
@@ -14,10 +14,17 @@
 #ifdef __UCLIBC_HAS_LFS__
 
 #ifdef __NR_openat
+/* The openat() prototype is varargs based, but we don't care about that
+ * here, so need to provide our own dedicated signature.
+ */
+extern int openat64(int fd, const char *file, int oflag, mode_t mode);
+libc_hidden_proto(openat64)
+
 int openat64(int fd, const char *file, int oflag, mode_t mode)
 {
 	return openat(fd, file, oflag | O_LARGEFILE, mode);
 }
+libc_hidden_def(openat64)
 #else
 /* should add emulation with open() and /proc/self/fd/ ... */
 #endif
-- 
1.6.5.3



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