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-rw-r--r--libc/sysdeps/linux/common/openat.c7
-rw-r--r--libc/sysdeps/linux/common/openat64.c7
2 files changed, 14 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/openat.c b/libc/sysdeps/linux/common/openat.c
index 33bd606a1..8380ec687 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 75711aad6..06a5819d7 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