ubsan: alpha-coff: signed integer overflow

[deliverable/binutils-gdb.git] / gdb / posix-hdep.c

diff --git a/gdb/posix-hdep.c b/gdb/posix-hdep.c
index ca405f985f585a4966a092b4c2e869b2e487663a..cca72418aac7d97519b19413bc40bbe40a41c59f 100644 (file)
--- a/gdb/posix-hdep.c
+++ b/gdb/posix-hdep.c
@@ -1,13 +1,12 @@
 /* Host support routines for MinGW, for GDB, the GNU debugger.
 
-   Copyright (C) 2006
-   Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -16,30 +15,26 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
+#include "event-loop.h"
 
-#include "gdb_string.h"
+#include "gdb_select.h"
 
-/* The strerror() function can return NULL for errno values that are
-   out of range.  Provide a "safe" version that always returns a
-   printable string. */
+/* Wrapper for select.  Nothing special needed on POSIX platforms.  */
 
-char *
-safe_strerror (int errnum)
+int
+gdb_select (int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+           struct timeval *timeout)
 {
-  char *msg;
-
-  msg = strerror (errnum);
-  if (msg == NULL)
-    {
-      static char buf[32];
-      xsnprintf (buf, sizeof buf, "(undocumented errno %d)", errnum);
-      msg = buf;
-    }
-  return (msg);
+  return select (n, readfds, writefds, exceptfds, timeout);
 }
 
+/* Host-dependent console fputs method.  POSIX platforms always return
+   zero, to use the default C 'fputs'.  */
+int
+gdb_console_fputs (const char *buf, FILE *f)
+{
+  return 0;
+}