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authorMarkos Chandras <markos.chandras@imgtec.com>2012-10-11 12:15:50 +0100
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2013-02-20 13:45:13 +0100
commit13f56c443b697190373d555b25e2577dcd32a3b6 (patch)
treea0164afaeac93ec9cdfaf1874dbdf725f3840b26 /libc/sysdeps
parentaec10d86476d24a68445d2deb61210f572a435e8 (diff)
stat: Use fstatat64 if arch does not have the stat 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/sysdeps')
-rw-r--r--libc/sysdeps/linux/common/fstatat.c1
-rw-r--r--libc/sysdeps/linux/common/stat.c22
2 files changed, 18 insertions, 5 deletions
diff --git a/libc/sysdeps/linux/common/fstatat.c b/libc/sysdeps/linux/common/fstatat.c
index 06c3ab912..4006814f0 100644
--- a/libc/sysdeps/linux/common/fstatat.c
+++ b/libc/sysdeps/linux/common/fstatat.c
@@ -38,6 +38,7 @@ int fstatat(int fd, const char *file, struct stat *buf, int flag)
# endif /* __ARCH_HAS_DEPRECATED_SYSCALLS__ */
return ret;
}
+libc_hidden_def(fstatat)
#else
/* should add emulation with fstat() and /proc/self/fd/ ... */
#endif
diff --git a/libc/sysdeps/linux/common/stat.c b/libc/sysdeps/linux/common/stat.c
index 829f35a93..c7e213838 100644
--- a/libc/sysdeps/linux/common/stat.c
+++ b/libc/sysdeps/linux/common/stat.c
@@ -10,14 +10,24 @@
#include <sys/syscall.h>
#include <unistd.h>
#include <sys/stat.h>
-#include "xstatconv.h"
#undef stat
+#if defined __NR_fstatat64 && !defined __NR_stat
+# include <fcntl.h>
+
+int stat(const char *file_name, struct stat *buf)
+{
+ return fstatat(AT_FDCWD, file_name, buf, 0);
+}
+
+#else
+# include "xstatconv.h"
+
int stat(const char *file_name, struct stat *buf)
{
int result;
-#ifdef __NR_stat64
+# ifdef __NR_stat64
/* normal stat call has limited values for various stat elements
* e.g. uid device major/minor etc.
* so we use 64 variant if available
@@ -28,19 +38,21 @@ int stat(const char *file_name, struct stat *buf)
if (result == 0) {
__xstat32_conv(&kbuf, buf);
}
-#else
+# else
struct kernel_stat kbuf;
result = INLINE_SYSCALL(stat, 2, file_name, &kbuf);
if (result == 0) {
__xstat_conv(&kbuf, buf);
}
-#endif
+# endif /* __NR_stat64 */
return result;
}
+#endif /* __NR_fstat64 */
libc_hidden_def(stat)
-#if ! defined __NR_stat64 && defined __UCLIBC_HAS_LFS__
+#if ! defined __NR_stat64 && ! defined __NR_fstatat64 && \
+ defined __UCLIBC_HAS_LFS__
strong_alias_untyped(stat,stat64)
libc_hidden_def(stat64)
#endif