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authorMarkos Chandras <markos.chandras@imgtec.com>2012-10-10 15:10:27 +0100
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2013-02-20 13:45:11 +0100
commitecb2be2c0a2f9c489663a4b01b97074dda2ceb1e (patch)
tree4f9c1c406d87d92c2d3c482e76b9f444e5048401
parentd8386ad5e72b0e0583cc233d476c5b50ca66a4e5 (diff)
mkdir: Use mkdirat if arch does not have the mkdir syscall
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
-rw-r--r--include/sys/stat.h1
-rw-r--r--libc/sysdeps/linux/common/mkdir.c10
-rw-r--r--libc/sysdeps/linux/common/mkdirat.c1
3 files changed, 11 insertions, 1 deletions
diff --git a/include/sys/stat.h b/include/sys/stat.h
index 1709cece7..9283a8971 100644
--- a/include/sys/stat.h
+++ b/include/sys/stat.h
@@ -335,6 +335,7 @@ libc_hidden_proto(mkdir)
with FD. */
extern int mkdirat (int __fd, const char *__path, __mode_t __mode)
__THROW __nonnull ((2));
+libc_hidden_proto(mkdirat)
#endif
/* Create a device file named PATH, with permission and special bits MODE
diff --git a/libc/sysdeps/linux/common/mkdir.c b/libc/sysdeps/linux/common/mkdir.c
index fbc587d3d..bee3e3e7c 100644
--- a/libc/sysdeps/linux/common/mkdir.c
+++ b/libc/sysdeps/linux/common/mkdir.c
@@ -10,8 +10,15 @@
#include <sys/syscall.h>
#include <sys/stat.h>
+#if defined __NR_mkdirat && !defined __NR_mkdir
+# include <fcntl.h>
+int mkdir(const char *pathname, mode_t mode)
+{
+ return mkdirat(AT_FDCWD, pathname, mode);
+}
-#define __NR___syscall_mkdir __NR_mkdir
+#else
+# define __NR___syscall_mkdir __NR_mkdir
static __inline__ _syscall2(int, __syscall_mkdir, const char *, pathname,
__kernel_mode_t, mode)
@@ -19,4 +26,5 @@ int mkdir(const char *pathname, mode_t mode)
{
return (__syscall_mkdir(pathname, mode));
}
+#endif
libc_hidden_def(mkdir)
diff --git a/libc/sysdeps/linux/common/mkdirat.c b/libc/sysdeps/linux/common/mkdirat.c
index 4da9468e1..871104bda 100644
--- a/libc/sysdeps/linux/common/mkdirat.c
+++ b/libc/sysdeps/linux/common/mkdirat.c
@@ -11,6 +11,7 @@
#ifdef __NR_mkdirat
_syscall3(int, mkdirat, int, fd, const char *, path, mode_t, mode)
+libc_hidden_def(mkdirat)
#else
/* should add emulation with mkdir() and /proc/self/fd/ ... */
#endif