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-rw-r--r--newlib/libc/reent/fstatr.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/newlib/libc/reent/fstatr.c b/newlib/libc/reent/fstatr.c
new file mode 100644
index 00000000000..df132d799cd
--- /dev/null
+++ b/newlib/libc/reent/fstatr.c
@@ -0,0 +1,66 @@
+/* Reentrant versions of fstat system call. This implementation just
+ calls the fstat system call. */
+
+#include <reent.h>
+#include <unistd.h>
+#include <_syslist.h>
+
+/* Some targets provides their own versions of these functions. Those
+ targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */
+
+#ifdef _REENT_ONLY
+#ifndef REENTRANT_SYSCALLS_PROVIDED
+#define REENTRANT_SYSCALLS_PROVIDED
+#endif
+#endif
+
+#ifdef REENTRANT_SYSCALLS_PROVIDED
+
+int _dummy_fstat_syscalls = 1;
+
+#else
+
+/* We use the errno variable used by the system dependent layer. */
+#undef errno
+extern int errno;
+
+/*
+FUNCTION
+ <<_fstat_r>>---Reentrant version of fstat
+
+INDEX
+ _fstat_r
+
+ANSI_SYNOPSIS
+ #include <reent.h>
+ int _fstat_r(struct _reent *<[ptr]>,
+ int <[fd]>, struct stat *<[pstat]>);
+
+TRAD_SYNOPSIS
+ #include <reent.h>
+ int _fstat_r(<[ptr]>, <[fd]>, <[pstat]>)
+ struct _reent *<[ptr]>;
+ int <[fd]>;
+ struct stat *<[pstat]>;
+
+DESCRIPTION
+ This is a reentrant version of <<fstat>>. It
+ takes a pointer to the global data block, which holds
+ <<errno>>.
+*/
+
+int
+_fstat_r (ptr, fd, pstat)
+ struct _reent *ptr;
+ int fd;
+ struct stat *pstat;
+{
+ int ret;
+
+ errno = 0;
+ if ((ret = _fstat (fd, pstat)) == -1 && errno != 0)
+ ptr->_errno = errno;
+ return ret;
+}
+
+#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */