2005-04-29 Paul Brook <paul@codesourcery.com>

	* common/callback.c (PIPE_BUF): Provide default refinition.
	(os_lstat): Use stat if lstat is not available on the host.
	(os_ftruncate): Return EINVAL if not available on the host.
	(os_truncate): Ditto.
	* common/configure.ac: Check for lstat, truncate and ftruncate.
	* common/configure: Regenerate.
	* common/config.in: Regenerate.

1 files changed, 18 insertions, 0 deletions

diff --git a/sim/common/callback.c b/sim/common/callback.c
index 512590d..bb7bc47 100644
--- a/sim/common/callback.c
+++ b/sim/common/callback.c
@@ -60,6 +60,10 @@
 #include <unistd.h>
 #endif
 
+#ifndef PIPE_BUF
+#define PIPE_BUF 512
+#endif
+
 /* ??? sim_cb_printf should be cb_printf, but until the callback support is
    broken out of the simulator directory, these are here to not require
    sim-utils.h.  */
@@ -577,7 +581,11 @@ os_lstat (p, file, buf)
      struct stat *buf;
 {
   /* NOTE: hpn/2004-12-12: Same issue here as with os_fstat.  */
+#ifdef HAVE_LSTAT
   return wrap (p, lstat (file, buf));
+#else
+  return wrap (p, stat (file, buf));
+#endif
 }
 
 static int 
@@ -596,7 +604,12 @@ os_ftruncate (p, fd, len)
     }
   if (result)
     return result;
+#ifdef HAVE_FTRUNCATE
   result = wrap (p, ftruncate (fdmap (p, fd), len));
+#else
+  p->last_errno = EINVAL;
+  result = -1;
+#endif
   return result;
 }
 
@@ -606,7 +619,12 @@ os_truncate (p, file, len)
      const char *file;
      long len;
 {
+#ifdef HAVE_TRUNCATE
   return wrap (p, truncate (file, len));
+#else
+  p->last_errno = EINVAL;
+  return -1;
+#endif
 }
 
 static int