/* Character set conversion support for GDB.
- Copyright (C) 2001-2016 Free Software Foundation, Inc.
+ Copyright (C) 2001-2017 Free Software Foundation, Inc.
This file is part of GDB.
\f
/* Public character management functions. */
-/* A cleanup function which is run to close an iconv descriptor. */
-
-static void
-cleanup_iconv (void *p)
+class iconv_wrapper
{
- iconv_t *descp = (iconv_t *) p;
- iconv_close (*descp);
-}
+public:
+
+ iconv_wrapper (const char *to, const char *from)
+ {
+ m_desc = iconv_open (to, from);
+ if (m_desc == (iconv_t) -1)
+ perror_with_name (_("Converting character sets"));
+ }
+
+ ~iconv_wrapper ()
+ {
+ iconv_close (m_desc);
+ }
+
+ size_t convert (ICONV_CONST char **inp, size_t *inleft, char **outp,
+ size_t *outleft)
+ {
+ return iconv (m_desc, inp, inleft, outp, outleft);
+ }
+
+private:
+
+ iconv_t m_desc;
+};
void
convert_between_encodings (const char *from, const char *to,
int width, struct obstack *output,
enum transliterations translit)
{
- iconv_t desc;
- struct cleanup *cleanups;
size_t inleft;
ICONV_CONST char *inp;
unsigned int space_request;
return;
}
- desc = iconv_open (to, from);
- if (desc == (iconv_t) -1)
- perror_with_name (_("Converting character sets"));
- cleanups = make_cleanup (cleanup_iconv, &desc);
+ iconv_wrapper desc (to, from);
inleft = num_bytes;
inp = (ICONV_CONST char *) bytes;
outp = (char *) obstack_base (output) + old_size;
outleft = space_request;
- r = iconv (desc, &inp, &inleft, &outp, &outleft);
+ r = desc.convert (&inp, &inleft, &outp, &outleft);
/* Now make sure that the object on the obstack only includes
bytes we have converted. */
}
}
}
-
- do_cleanups (cleanups);
}
\f
++out_request;
if (out_request > m_out.size ())
- m_out.reserve (out_request);
+ m_out.resize (out_request);
continue;
case EINVAL:
static void
find_charset_names (void)
{
- VEC_safe_push (char_ptr, charsets, GDB_DEFAULT_HOST_CHARSET);
+ /* Cast is fine here, because CHARSETS is never released. Note that
+ the vec does not hold "const char *" pointers instead of "char *"
+ because the non-phony version stores heap-allocated strings in
+ it. */
+ VEC_safe_push (char_ptr, charsets, (char *) GDB_DEFAULT_HOST_CHARSET);
VEC_safe_push (char_ptr, charsets, NULL);
}
find_charset_names (void)
{
struct pex_obj *child;
- char *args[3];
+ const char *args[3];
int err, status;
int fail = 1;
int flags;
- struct gdb_environ *iconv_env;
+ gdb_environ iconv_env = gdb_environ::from_host_environ ();
char *iconv_program;
/* Older iconvs, e.g. 2.2.2, don't omit the intro text if stdout is
not a tty. We need to recognize it and ignore it. This text is
subject to translation, so force LANGUAGE=C. */
- iconv_env = make_environ ();
- init_environ (iconv_env);
- set_in_environ (iconv_env, "LANGUAGE", "C");
- set_in_environ (iconv_env, "LC_ALL", "C");
+ iconv_env.set ("LANGUAGE", "C");
+ iconv_env.set ("LC_ALL", "C");
child = pex_init (PEX_USE_PIPES, "iconv", NULL);
#endif
/* Note that we simply ignore errors here. */
if (!pex_run_in_environment (child, flags,
- args[0], args, environ_vector (iconv_env),
+ args[0], const_cast<char **> (args),
+ iconv_env.envp (),
NULL, NULL, &err))
{
FILE *in = pex_read_output (child, 0);
xfree (iconv_program);
pex_free (child);
- free_environ (iconv_env);
if (fail)
{