From: Markos Chandras <[email protected]>
Signed-off-by: Markos Chandras <[email protected]>
---
include/sys/stat.h | 1 +
libc/sysdeps/linux/common/chmod.c | 9 +++++++++
libc/sysdeps/linux/common/fchmodat.c | 1 +
3 files changed, 11 insertions(+)
diff --git a/include/sys/stat.h b/include/sys/stat.h
index bff90cb..1709cec 100644
--- a/include/sys/stat.h
+++ b/include/sys/stat.h
@@ -309,6 +309,7 @@ extern int fchmod (int __fd, __mode_t __mode) __THROW;
extern int fchmodat (int __fd, const char *__file, __mode_t __mode,
int __flag)
__THROW __nonnull ((2)) __wur;
+libc_hidden_proto(fchmodat)
#endif /* Use ATFILE. */
diff --git a/libc/sysdeps/linux/common/chmod.c
b/libc/sysdeps/linux/common/chmod.c
index 871e023..c03bb2a 100644
--- a/libc/sysdeps/linux/common/chmod.c
+++ b/libc/sysdeps/linux/common/chmod.c
@@ -9,8 +9,16 @@
#include <sys/syscall.h>
#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#if defined(__NR_fchmodat) && !defined(__NR_chmod)
+int chmod(const char *path, mode_t mode)
+{
+ return fchmodat(AT_FDCWD, path, mode, 0);
+}
+#else
#define __NR___syscall_chmod __NR_chmod
static __inline__ _syscall2(int, __syscall_chmod, const char *, path,
__kernel_mode_t, mode)
@@ -18,4 +26,5 @@ int chmod(const char *path, mode_t mode)
{
return __syscall_chmod(path, mode);
}
+#endif
libc_hidden_def(chmod)
diff --git a/libc/sysdeps/linux/common/fchmodat.c
b/libc/sysdeps/linux/common/fchmodat.c
index 8224a52..1e936e0 100644
--- a/libc/sysdeps/linux/common/fchmodat.c
+++ b/libc/sysdeps/linux/common/fchmodat.c
@@ -32,6 +32,7 @@ int fchmodat(int fd, const char *file, mode_t mode, int flag)
return INLINE_SYSCALL(fchmodat, 3, fd, file, mode);
}
+libc_hidden_def(fchmodat)
#else
/* should add emulation with fchmod() and /proc/self/fd/ ... */
#endif
--
1.8.1.1
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