1/*
2   Unix SMB/CIFS implementation.
3   display print functions
4   Copyright (C) Andrew Tridgell 2001
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 3 of the License, or
9   (at your option) any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program.  If not, see <http://www.gnu.org/licenses/>.
18*/
19
20
21/*
22  this module provides functions for printing internal strings in the "display charset"
23  This charset may be quite different from the chosen unix charset
24
25  Eventually these functions will need to take care of column count constraints
26
27  The d_ prefix on print functions in Samba refers to the display character set
28  conversion
29*/
30
31#include "includes.h"
32
33 int d_vfprintf(FILE *f, const char *format, va_list ap)
34{
35	char *p = NULL, *p2 = NULL;
36	int ret, maxlen, clen;
37	const char *msgstr;
38	va_list ap2;
39
40	va_copy(ap2, ap);
41
42	/* do any message translations */
43	msgstr = lang_msg(format);
44	if (!msgstr) {
45		ret = -1;
46		goto out;
47	}
48
49	ret = vasprintf(&p, msgstr, ap2);
50
51	lang_msg_free(msgstr);
52
53	if (ret <= 0) {
54		ret = -1;
55		goto out;
56	}
57
58	/* now we have the string in unix format, convert it to the display
59	   charset, but beware of it growing */
60	maxlen = ret*2;
61again:
62	p2 = (char *)SMB_MALLOC(maxlen);
63	if (!p2) {
64		ret = -1;
65		goto out;
66	}
67
68	clen = convert_string(CH_UNIX, CH_DISPLAY, p, ret, p2, maxlen, True);
69	if (clen == -1) {
70		ret = -1;
71		goto out;
72	}
73
74	if (clen >= maxlen) {
75		/* it didn't fit - try a larger buffer */
76		maxlen *= 2;
77		SAFE_FREE(p2);
78		goto again;
79	}
80
81	/* good, its converted OK */
82	ret = fwrite(p2, 1, clen, f);
83out:
84
85	SAFE_FREE(p);
86	SAFE_FREE(p2);
87	va_end(ap2);
88
89	return ret;
90}
91
92
93 int d_fprintf(FILE *f, const char *format, ...)
94{
95	int ret;
96	va_list ap;
97
98	va_start(ap, format);
99	ret = d_vfprintf(f, format, ap);
100	va_end(ap);
101
102	return ret;
103}
104
105static FILE *outfile;
106
107 int d_printf(const char *format, ...)
108{
109	int ret;
110	va_list ap;
111
112	if (!outfile) outfile = stdout;
113
114	va_start(ap, format);
115	ret = d_vfprintf(outfile, format, ap);
116	va_end(ap);
117
118	return ret;
119}
120
121/* interactive programs need a way of tell d_*() to write to stderr instead
122   of stdout */
123void display_set_stderr(void)
124{
125	outfile = stderr;
126}
127