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

diff --git a/gdb/charset.c b/gdb/charset.c
index 62977d11d00c2f78517d1b01953d59f6a086a31b..5835fd40872e7df62bc875782d4c8f8890179ca9 100644 (file)
--- a/gdb/charset.c
+++ b/gdb/charset.c
@@ -1,6 +1,6 @@
 /* Character set conversion support for GDB.
 
-   Copyright (C) 2001, 2003, 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 2001-2013 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -108,7 +108,7 @@
 #define EILSEQ ENOENT
 #endif
 
-iconv_t
+static iconv_t
 phony_iconv_open (const char *to, const char *from)
 {
   /* We allow conversions from UTF-32BE, wchar_t, and the host charset.
@@ -124,13 +124,13 @@ phony_iconv_open (const char *to, const char *from)
   return !strcmp (from, "UTF-32BE");
 }
 
-int
+static int
 phony_iconv_close (iconv_t arg)
 {
   return 0;
 }
 
-size_t
+static size_t
 phony_iconv (iconv_t utf_flag, const char **inbuf, size_t *inbytesleft,
             char **outbuf, size_t *outbytesleft)
 {
@@ -474,7 +474,7 @@ convert_between_encodings (const char *from, const char *to,
   iconv_t desc;
   struct cleanup *cleanups;
   size_t inleft;
-  char *inp;
+  ICONV_CONST char *inp;
   unsigned int space_request;
 
   /* Often, the host and target charsets will be the same.  */
@@ -490,7 +490,7 @@ convert_between_encodings (const char *from, const char *to,
   cleanups = make_cleanup (cleanup_iconv, &desc);
 
   inleft = num_bytes;
-  inp = (char *) bytes;
+  inp = (ICONV_CONST char *) bytes;
 
   space_request = num_bytes;
 
@@ -506,7 +506,7 @@ convert_between_encodings (const char *from, const char *to,
       outp = obstack_base (output) + old_size;
       outleft = space_request;
 
-      r = iconv (desc, (ICONV_CONST char **) &inp, &inleft, &outp, &outleft);
+      r = iconv (desc, &inp, &inleft, &outp, &outleft);
 
       /* Now make sure that the object on the obstack only includes
         bytes we have converted.  */
@@ -531,7 +531,7 @@ convert_between_encodings (const char *from, const char *to,
                  {
                    char octal[5];
 
-                   sprintf (octal, "\\%.3o", *inp & 0xff);
+                   xsnprintf (octal, sizeof (octal), "\\%.3o", *inp & 0xff);
                    obstack_grow_str (output, octal);
 
                    ++inp;
@@ -571,7 +571,7 @@ struct wchar_iterator
   iconv_t desc;
 
   /* The input string.  This is updated as convert characters.  */
-  char *input;
+  const gdb_byte *input;
   /* The number of bytes remaining in the input.  */
   size_t bytes;
 
@@ -597,7 +597,7 @@ make_wchar_iterator (const gdb_byte *input, size_t bytes,
 
   result = XNEW (struct wchar_iterator);
   result->desc = desc;
-  result->input = (char *) input;
+  result->input = input;
   result->bytes = bytes;
   result->width = width;
 
@@ -640,14 +640,15 @@ wchar_iterate (struct wchar_iterator *iter,
   out_request = 1;
   while (iter->bytes > 0)
     {
+      ICONV_CONST char *inptr = (ICONV_CONST char *) iter->input;
       char *outptr = (char *) &iter->out[0];
-      char *orig_inptr = iter->input;
+      const gdb_byte *orig_inptr = iter->input;
       size_t orig_in = iter->bytes;
       size_t out_avail = out_request * sizeof (gdb_wchar_t);
       size_t num;
-      size_t r = iconv (iter->desc,
-                       (ICONV_CONST char **) &iter->input, 
-                       &iter->bytes, &outptr, &out_avail);
+      size_t r = iconv (iter->desc, &inptr, &iter->bytes, &outptr, &out_avail);
+
+      iter->input = (gdb_byte *) inptr;
 
       if (r == (size_t) -1)
        {
@@ -839,7 +840,7 @@ find_charset_names (void)
         parse the glibc and libiconv formats; feel free to add others
         as needed.  */
 
-      while (!feof (in))
+      while (in != NULL && !feof (in))
        {
          /* The size of buf is chosen arbitrarily.  */
          char buf[1024];
@@ -909,11 +910,8 @@ find_charset_names (void)
   if (fail)
     {
       /* Some error occurred, so drop the vector.  */
-      int ix;
-      char *elt;
-      for (ix = 0; VEC_iterate (char_ptr, charsets, ix, elt); ++ix)
-       xfree (elt);
-      VEC_truncate (char_ptr, charsets, 0);
+      free_char_ptr_vec (charsets);
+      charsets = NULL;
     }
   else
     VEC_safe_push (char_ptr, charsets, NULL);
@@ -968,7 +966,6 @@ intermediate_encoding (void)
   iconv_t desc;
   static const char *stored_result = NULL;
   char *result;
-  int i;
 
   if (stored_result)
     return stored_result;