gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / libiberty / pex-win32.c

diff --git a/libiberty/pex-win32.c b/libiberty/pex-win32.c
index 8b9d4f04900c5ef556fe6f0a6ce089ae7121e32f..331067b5078347912bc3828186629a52244aa1b9 100644 (file)
--- a/libiberty/pex-win32.c
+++ b/libiberty/pex-win32.c
@@ -1,7 +1,6 @@
 /* Utilities to execute a program in a subprocess (possibly linked by pipes
    with other subprocesses), and wait for it.  Generic Win32 specialization.
-   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006
-   Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
@@ -78,7 +77,7 @@ backslashify (char *s)
 }
 
 static int pex_win32_open_read (struct pex_obj *, const char *, int);
-static int pex_win32_open_write (struct pex_obj *, const char *, int);
+static int pex_win32_open_write (struct pex_obj *, const char *, int, int);
 static pid_t pex_win32_exec_child (struct pex_obj *, int, const char *,
                                  char * const *, char * const *,
                                   int, int, int, int,
@@ -126,10 +125,12 @@ pex_win32_open_read (struct pex_obj *obj ATTRIBUTE_UNUSED, const char *name,
 
 static int
 pex_win32_open_write (struct pex_obj *obj ATTRIBUTE_UNUSED, const char *name,
-                     int binary)
+                     int binary, int append)
 {
   /* Note that we can't use O_EXCL here because gcc may have already
      created the temporary file via make_temp_file.  */
+  if (append)
+    return -1;
   return _open (name,
                (_O_WRONLY | _O_CREAT | _O_TRUNC
                 | (binary ? _O_BINARY : _O_TEXT)),
@@ -368,6 +369,8 @@ argv_to_cmdline (char *const *argv)
              cmdline_len++;
            }
        }
+      if (j == 0)
+       needs_quotes = 1;
       /* Trailing backslashes also need to be escaped because they will be
          followed by the terminating quote.  */
       if (needs_quotes)
@@ -392,6 +395,8 @@ argv_to_cmdline (char *const *argv)
               break;
             }
         }
+      if (j == 0)
+       needs_quotes = 1;
 
       if (needs_quotes)
         {