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authorMarkos Chandras <markos.chandras@imgtec.com>2012-10-10 14:47:21 +0100
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2013-02-20 13:45:11 +0100
commit09a387a0fcedce4270f62f5ea75c7bb0374c4d7f (patch)
tree09b793f5b04a0f2f486019b3d00216ec27a2c2d7 /libc
parent82fc713658c82cbbc577e6f8fa6cec67b911ba6e (diff)
unlink: Use unlinkat if arch does not have the unlink syscall
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc')
-rw-r--r--libc/sysdeps/linux/common/unlink.c8
-rw-r--r--libc/sysdeps/linux/common/unlinkat.c1
2 files changed, 9 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/unlink.c b/libc/sysdeps/linux/common/unlink.c
index d4504d4df..317bc5da8 100644
--- a/libc/sysdeps/linux/common/unlink.c
+++ b/libc/sysdeps/linux/common/unlink.c
@@ -10,5 +10,13 @@
#include <sys/syscall.h>
#include <unistd.h>
+#if defined __NR_unlinkat && !defined __NR_unlink
+# include <fcntl.h>
+int unlink(const char *pathname)
+{
+ return unlinkat(AT_FDCWD, pathname, 0);
+}
+#else
_syscall1(int, unlink, const char *, pathname)
+#endif
libc_hidden_def(unlink)
diff --git a/libc/sysdeps/linux/common/unlinkat.c b/libc/sysdeps/linux/common/unlinkat.c
index 0eaf2b670..432af1b75 100644
--- a/libc/sysdeps/linux/common/unlinkat.c
+++ b/libc/sysdeps/linux/common/unlinkat.c
@@ -11,6 +11,7 @@
#ifdef __NR_unlinkat
_syscall3(int, unlinkat, int, fd, const char *, file, int, flag)
+libc_hidden_def(unlinkat)
#else
/* should add emulation with unlink() and /proc/self/fd/ ... */
#endif