Fix unused function error

[deliverable/binutils-gdb.git] / gdb / charset.c

diff --git a/gdb/charset.c b/gdb/charset.c
index fcb24a488239b57ef022c1b0c5d6971b8476584d..a93fe99c41fa78a54550548e346966d73c474480 100644 (file)
--- a/gdb/charset.c
+++ b/gdb/charset.c
@@ -1,6 +1,6 @@
 /* Character set conversion support for GDB.
 
-   Copyright (C) 2001-2018 Free Software Foundation, Inc.
+   Copyright (C) 2001-2019 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -21,12 +21,11 @@
 #include "charset.h"
 #include "gdbcmd.h"
 #include "gdb_obstack.h"
-#include "gdb_wait.h"
+#include "gdbsupport/gdb_wait.h"
 #include "charset-list.h"
-#include "vec.h"
-#include "environ.h"
+#include "gdbsupport/environ.h"
 #include "arch-utils.h"
-#include "gdb_vecs.h"
+#include "gdbsupport/gdb_vecs.h"
 #include <ctype.h>
 
 #ifdef USE_WIN32API
@@ -295,9 +294,6 @@ static struct gdbarch *be_le_arch;
 static void
 set_be_le_names (struct gdbarch *gdbarch)
 {
-  int i, len;
-  const char *target_wide;
-
   if (be_le_arch == gdbarch)
     return;
   be_le_arch = gdbarch;
@@ -307,6 +303,9 @@ set_be_le_names (struct gdbarch *gdbarch)
   target_wide_charset_le_name = "UTF-32LE";
   target_wide_charset_be_name = "UTF-32BE";
 #else
+  int i, len;
+  const char *target_wide;
+
   target_wide_charset_le_name = NULL;
   target_wide_charset_be_name = NULL;
 
@@ -548,7 +547,7 @@ convert_between_encodings (const char *from, const char *to,
 
       /* Now make sure that the object on the obstack only includes
         bytes we have converted.  */
-      obstack_blank_fast (output, -outleft);
+      obstack_blank_fast (output, -(ssize_t) outleft);
 
       if (r == (size_t) -1)
        {
@@ -817,10 +816,9 @@ find_charset_names (void)
 
 #ifdef ICONV_BIN
   {
-    char *iconv_dir = relocate_gdb_directory (ICONV_BIN,
-                                             ICONV_BIN_RELOCATABLE);
-    iconv_program = concat (iconv_dir, SLASH_STRING, "iconv", NULL);
-    xfree (iconv_dir);
+    std::string iconv_dir = relocate_gdb_directory (ICONV_BIN,
+                                                   ICONV_BIN_RELOCATABLE);
+    iconv_program = concat (iconv_dir.c_str(), SLASH_STRING, "iconv", NULL);
   }
 #else
   iconv_program = xstrdup ("iconv");
@@ -946,15 +944,9 @@ default_auto_wide_charset (void)
 #define ENDIAN_SUFFIX "LE"
 #endif
 
-/* The code below serves to generate a compile time error if
-   gdb_wchar_t type is not of size 2 nor 4, despite the fact that
-   macro __STDC_ISO_10646__ is defined.
-   This is better than a gdb_assert call, because GDB cannot handle
-   strings correctly if this size is different.  */
+/* GDB cannot handle strings correctly if this size is different.  */
 
-extern char your_gdb_wchar_t_is_bogus[(sizeof (gdb_wchar_t) == 2
-                                      || sizeof (gdb_wchar_t) == 4)
-                                     ? 1 : -1];
+gdb_static_assert (sizeof (gdb_wchar_t) == 2 || sizeof (gdb_wchar_t) == 4);
 
 /* intermediate_encoding returns the charset used internally by
    GDB to convert between target and host encodings. As the test above