[C++/mingw] Misc alloca casts

gdb/ChangeLog:
2015-11-17  Pedro Alves  <palves@redhat.com>

	* exec.c (exec_file_attach, symfile_bfd_open) [__GO32__ || _WIN32
	|| __CYGWIN__]: Add casts.
	* utils.c (gdb_filename_fnmatch): Add cast.
	* windows-nat.c (windows_create_inferior): Add cast.

5 files changed, 15 insertions, 8 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1db663b..6549bad 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,12 @@
 2015-11-17  Pedro Alves  <palves@redhat.com>
 
+	* exec.c (exec_file_attach, symfile_bfd_open) [__GO32__ || _WIN32
+	|| __CYGWIN__]: Add casts.
+	* utils.c (gdb_filename_fnmatch): Add cast.
+	* windows-nat.c (windows_create_inferior): Add cast.
+
+2015-11-17  Pedro Alves  <palves@redhat.com>
+
 	* ser-mingw.c (CancelIo_ftype): New typedef.
 	(CancelIo): Use CancelIo_ftype.
 	(ser_windows_close, ser_windows_wait_handle)
diff --git a/gdb/exec.c b/gdb/exec.c
index 3089bb4..2433019 100644
--- a/gdb/exec.c
+++ b/gdb/exec.c
@@ -254,7 +254,7 @@ exec_file_attach (const char *filename, int from_tty)
 #if defined(__GO32__) || defined(_WIN32) || defined(__CYGWIN__)
 	  if (scratch_chan < 0)
 	    {
-	      char *exename = alloca (strlen (filename) + 5);
+	      char *exename = (char *) alloca (strlen (filename) + 5);
 
 	      strcat (strcpy (exename, filename), ".exe");
 	      scratch_chan = openp (getenv ("PATH"), OPF_TRY_CWD_FIRST,
diff --git a/gdb/symfile.c b/gdb/symfile.c
index 55a9f5c..58c4ff9 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -1738,7 +1738,7 @@ symfile_bfd_open (const char *name)
 #if defined(__GO32__) || defined(_WIN32) || defined (__CYGWIN__)
       if (desc < 0)
 	{
-	  char *exename = alloca (strlen (expanded_name) + 5);
+	  char *exename = (char *) alloca (strlen (expanded_name) + 5);
 
 	  strcat (strcpy (exename, expanded_name), ".exe");
 	  desc = openp (getenv ("PATH"),
diff --git a/gdb/utils.c b/gdb/utils.c
index bb13522..284fbbb 100644
--- a/gdb/utils.c
+++ b/gdb/utils.c
@@ -3356,14 +3356,14 @@ gdb_filename_fnmatch (const char *pattern, const char *string, int flags)
 
     /* Replace '\' by '/' in both strings.  */
 
-    pattern_slash = alloca (strlen (pattern) + 1);
+    pattern_slash = (char *) alloca (strlen (pattern) + 1);
     strcpy (pattern_slash, pattern);
     pattern = pattern_slash;
     for (; *pattern_slash != 0; pattern_slash++)
       if (IS_DIR_SEPARATOR (*pattern_slash))
 	*pattern_slash = '/';
 
-    string_slash = alloca (strlen (string) + 1);
+    string_slash = (char *) alloca (strlen (string) + 1);
     strcpy (string_slash, string);
     string = string_slash;
     for (; *string_slash != 0; string_slash++)
diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c
index e6c396b..8dfe211 100644
--- a/gdb/windows-nat.c
+++ b/gdb/windows-nat.c
@@ -2209,7 +2209,7 @@ windows_create_inferior (struct target_ops *ops, char *exec_file,
      To avoid ambiguities introduced by spaces in the module name,
      we quote it.  */
   args_len = strlen (toexec) + 2 /* quotes */ + strlen (allargs) + 2;
-  args = alloca (args_len);
+  args = (char *) alloca (args_len);
   xsnprintf (args, args_len, "\"%s\" %s", toexec, allargs);
 
   flags |= DEBUG_ONLY_THIS_PROCESS;
@@ -2249,7 +2249,7 @@ windows_create_inferior (struct target_ops *ops, char *exec_file,
   /* Windows programs expect the environment block to be sorted.  */
   qsort (env, i, sizeof (char *), envvar_cmp);
 
-  w32env = alloca (envlen + 1);
+  w32env = (char *) alloca (envlen + 1);
 
   /* Copy env strings into new buffer.  */
   for (temp = w32env, i = 0; env[i] && *env[i]; i++)
@@ -2421,7 +2421,7 @@ windows_xfer_shared_libraries (struct target_ops *ops,
 				 target_gdbarch (), &obstack);
   obstack_grow_str0 (&obstack, "</library-list>\n");
 
-  buf = obstack_finish (&obstack);
+  buf = (const char *) obstack_finish (&obstack);
   len_avail = strlen (buf);
   if (offset >= len_avail)
     len= 0;
@@ -2700,7 +2700,7 @@ _initialize_check_for_gdb_ini (void)
       if (access (oldini, 0) == 0)
 	{
 	  int len = strlen (oldini);
-	  char *newini = alloca (len + 1);
+	  char *newini = (char *) alloca (len + 1);
 
 	  xsnprintf (newini, len + 1, "%.*s.gdbinit",
 		     (int) (len - (sizeof ("gdb.ini") - 1)), oldini);