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Diffstat (limited to 'newlib/libc/sys/mmixware/read.c')
-rw-r--r--newlib/libc/sys/mmixware/read.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/newlib/libc/sys/mmixware/read.c b/newlib/libc/sys/mmixware/read.c
deleted file mode 100644
index f0f5e22f9..000000000
--- a/newlib/libc/sys/mmixware/read.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/* read for MMIXware.
-
- Copyright (C) 2001 Hans-Peter Nilsson
-
- Permission to use, copy, modify, and distribute this software is
- freely granted, provided that the above copyright notice, this notice
- and the following disclaimer are preserved with no changes.
-
- THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- PURPOSE. */
-
-#include <_ansi.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include "sys/syscall.h"
-#include <errno.h>
-
-int
-_read (int file,
- char *ptr,
- size_t len)
-{
- long ret;
-
- if ((unsigned int) file >= 32 || _MMIX_allocated_filehandle[file] == 0)
- {
- errno = EBADF;
- return -1;
- }
-
- if (isatty(file))
- {
- ret = TRAP3f (SYS_Fgets, file, ptr, len);
-
- if (ret == -1)
- return 0;
-
- return ret;
- }
-
- ret = TRAP3f (SYS_Fread, file, ptr, len);
-
- /* Map the return codes:
- -1-len: an error. We return -1.
- 0: success. We return len.
- n-len: end-of-file after n chars read. We return n. */
- if (ret == 0)
- return len;
-
- if (ret == -1 - (long) len)
- {
- /* We don't know the nature of the failure, so this is an
- approximation. */
- errno = EIO;
- return -1;
- }
-
- return ret + len;
-}