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/*
Unix SMB/Netbios implementation.
Version 3.0
display print functions
Copyright (C) Andrew Tridgell 2001
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
this module provides functions for printing internal strings in the "display charset"
This charset may be quite different from the chosen unix charset
Eventually these functions will need to take care of column count constaints
The d_ prefix on print functions in Samba refers to the display character set
conversion
*/
#include "includes.h"
int d_vfprintf(FILE *f, const char *format, va_list ap)
{
char *p, *p2;
int ret, maxlen, clen;
const char *msgstr;
/* do any message translations */
msgstr = lang_msg(format);
if (!msgstr) return -1;
ret = vasprintf(&p, msgstr, ap);
lang_msg_free(msgstr);
if (ret <= 0) return ret;
/* now we have the string in unix format, convert it to the display
charset, but beware of it growing */
maxlen = ret*2;
again:
p2 = malloc(maxlen);
if (!p2) {
SAFE_FREE(p);
return -1;
}
clen = convert_string(CH_UNIX, CH_DISPLAY, p, ret, p2, maxlen);
if (clen >= maxlen) {
/* it didn't fit - try a larger buffer */
maxlen *= 2;
SAFE_FREE(p2);
goto again;
}
/* good, its converted OK */
SAFE_FREE(p);
ret = fwrite(p2, 1, clen, f);
SAFE_FREE(p2);
return ret;
}
int d_fprintf(FILE *f, const char *format, ...)
{
int ret;
va_list ap;
va_start(ap, format);
ret = d_vfprintf(f, format, ap);
va_end(ap);
return ret;
}
static FILE *outfile;
int d_printf(const char *format, ...)
{
int ret;
va_list ap;
if (!outfile) outfile = stdout;
va_start(ap, format);
ret = d_vfprintf(outfile, format, ap);
va_end(ap);
return ret;
}
/* interactive programs need a way of tell d_*() to write to stderr instead
of stdout */
void display_set_stderr(void)
{
outfile = stderr;
}
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