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Diffstat (limited to 'src')
-rw-r--r--src/stat/fstat.c13
-rw-r--r--src/stat/fstatat.c35
-rw-r--r--src/stat/lstat.c6
-rw-r--r--src/stat/stat.c6
4 files changed, 37 insertions, 23 deletions
diff --git a/src/stat/fstat.c b/src/stat/fstat.c
index 4f13f4f0..d2a828f3 100644
--- a/src/stat/fstat.c
+++ b/src/stat/fstat.c
@@ -1,3 +1,4 @@
+#define _BSD_SOURCE
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
@@ -5,17 +6,7 @@
int fstat(int fd, struct stat *st)
{
- int ret = __syscall(SYS_fstat, fd, st);
- if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
- return __syscall_ret(ret);
-
- char buf[15+3*sizeof(int)];
- __procfdname(buf, fd);
-#ifdef SYS_stat
- return syscall(SYS_stat, buf, st);
-#else
- return syscall(SYS_fstatat, AT_FDCWD, buf, st, 0);
-#endif
+ return fstatat(fd, "", st, AT_EMPTY_PATH);
}
weak_alias(fstat, fstat64);
diff --git a/src/stat/fstatat.c b/src/stat/fstatat.c
index 582db442..f5bc3685 100644
--- a/src/stat/fstatat.c
+++ b/src/stat/fstatat.c
@@ -1,9 +1,40 @@
+#define _BSD_SOURCE
#include <sys/stat.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
#include "syscall.h"
-int fstatat(int fd, const char *restrict path, struct stat *restrict buf, int flag)
+int fstatat(int fd, const char *restrict path, struct stat *restrict st, int flag)
{
- return syscall(SYS_fstatat, fd, path, buf, flag);
+ int ret;
+
+ if (flag==AT_EMPTY_PATH && fd>=0 && !*path) {
+ ret = __syscall(SYS_fstat, fd, st);
+ if (ret==-EBADF && __syscall(SYS_fcntl, fd, F_GETFD)>=0) {
+ ret = __syscall(SYS_fstatat, fd, path, st, flag);
+ if (ret==-EINVAL) {
+ char buf[15+3*sizeof(int)];
+ __procfdname(buf, fd);
+#ifdef SYS_stat
+ ret = __syscall(SYS_stat, buf, st);
+#else
+ ret = __syscall(SYS_fstatat, AT_FDCWD, buf, st, 0);
+#endif
+ }
+ }
+ }
+#ifdef SYS_lstat
+ else if ((fd == AT_FDCWD || *path=='/') && flag==AT_SYMLINK_NOFOLLOW)
+ ret = __syscall(SYS_lstat, path, st);
+#endif
+#ifdef SYS_stat
+ else if ((fd == AT_FDCWD || *path=='/') && !flag)
+ ret = __syscall(SYS_stat, path, st);
+#endif
+ else ret = __syscall(SYS_fstatat, fd, path, st, flag);
+
+ return __syscall_ret(ret);
}
weak_alias(fstatat, fstatat64);
diff --git a/src/stat/lstat.c b/src/stat/lstat.c
index 5b89f290..8b365ba2 100644
--- a/src/stat/lstat.c
+++ b/src/stat/lstat.c
@@ -4,11 +4,7 @@
int lstat(const char *restrict path, struct stat *restrict buf)
{
-#ifdef SYS_lstat
- return syscall(SYS_lstat, path, buf);
-#else
- return syscall(SYS_fstatat, AT_FDCWD, path, buf, AT_SYMLINK_NOFOLLOW);
-#endif
+ return fstatat(AT_FDCWD, path, buf, AT_SYMLINK_NOFOLLOW);
}
weak_alias(lstat, lstat64);
diff --git a/src/stat/stat.c b/src/stat/stat.c
index 0bec9d6f..b4e62795 100644
--- a/src/stat/stat.c
+++ b/src/stat/stat.c
@@ -4,11 +4,7 @@
int stat(const char *restrict path, struct stat *restrict buf)
{
-#ifdef SYS_stat
- return syscall(SYS_stat, path, buf);
-#else
- return syscall(SYS_fstatat, AT_FDCWD, path, buf, 0);
-#endif
+ return fstatat(AT_FDCWD, path, buf, 0);
}
weak_alias(stat, stat64);