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Diffstat (limited to 'mach')
-rw-r--r--mach/devstream.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/mach/devstream.c b/mach/devstream.c
index a2162db..c35e548 100644
--- a/mach/devstream.c
+++ b/mach/devstream.c
@@ -1,7 +1,7 @@
/* stdio on a Mach device port.
- Translates \n to \r\n on output, echos input.
+ Translates \n to \r\n on output, echos and translates \r to \n on input.
-Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+Copyright (C) 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -63,6 +63,14 @@ input (FILE *f)
err = device_write_inband ((device_t) f->__cookie, 0, f->__target,
buffer, nread, (int *) &to_read);
+ /* Translate LF to CR. */
+ {
+ char *p;
+ for (p = memchr (buffer, '\r', nread); p;
+ p = memchr (p + 1, '\r', (buffer + nread) - (p + 1)))
+ *p = '\n';
+ }
+
if (f->__buffer == NULL)
return (unsigned char) c;
@@ -84,7 +92,7 @@ output (FILE *f, int c)
while (to_write > 0)
{
if (err = device_write ((device_t) f->__cookie, 0,
- f->__target, (char *)p,
+ f->__target, (char *)p,
to_write, &wrote))
{
errno = err;