| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | display print functions
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| 4 | Copyright (C) Andrew Tridgell 2001
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| 5 | Copyright (C) Jelmer Vernooij 2007
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| 6 |
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| 7 | This program is free software; you can redistribute it and/or modify
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| 8 | it under the terms of the GNU General Public License as published by
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| 9 | the Free Software Foundation; either version 3 of the License, or
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| 10 | (at your option) any later version.
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| 11 |
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| 12 | This program is distributed in the hope that it will be useful,
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | GNU General Public License for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License
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| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 |
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| 21 |
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| 22 | /*
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| 23 | this module provides functions for printing internal strings in the
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| 24 | "display charset".
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| 25 |
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| 26 | This charset may be quite different from the chosen unix charset.
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| 27 |
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| 28 | Eventually these functions will need to take care of column count constraints
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| 29 |
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| 30 | The d_ prefix on print functions in Samba refers to the display character set
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| 31 | conversion
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| 32 | */
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| 33 |
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| 34 | #include "includes.h"
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| 35 | #include "system/locale.h"
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| 36 | #include "param/param.h"
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| 37 |
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| 38 | static smb_iconv_t display_cd = (smb_iconv_t)-1;
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| 39 |
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| 40 | void d_set_iconv(smb_iconv_t cd)
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| 41 | {
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| 42 | if (display_cd != (smb_iconv_t)-1)
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| 43 | talloc_free(display_cd);
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| 44 |
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| 45 | display_cd = cd;
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| 46 | }
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| 47 |
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| 48 | _PUBLIC_ int d_vfprintf(FILE *f, const char *format, va_list ap)
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| 49 | {
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| 50 | char *p, *p2;
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| 51 | int ret, clen;
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| 52 | va_list ap2;
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| 53 |
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| 54 | /* If there's nothing to convert, take a shortcut */
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| 55 | if (display_cd == (smb_iconv_t)-1) {
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| 56 | return vfprintf(f, format, ap);
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| 57 | }
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| 58 |
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| 59 | /* do any message translations */
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| 60 | va_copy(ap2, ap);
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| 61 | ret = vasprintf(&p, format, ap2);
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| 62 | va_end(ap2);
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| 63 |
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| 64 | if (ret <= 0) return ret;
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| 65 |
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| 66 | clen = iconv_talloc(NULL, display_cd, p, ret, (void **)&p2);
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| 67 | if (clen == -1) {
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| 68 | /* the string can't be converted - do the best we can,
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| 69 | filling in non-printing chars with '?' */
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| 70 | int i;
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| 71 | for (i=0;i<ret;i++) {
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| 72 | if (isprint(p[i]) || isspace(p[i])) {
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| 73 | fwrite(p+i, 1, 1, f);
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| 74 | } else {
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| 75 | fwrite("?", 1, 1, f);
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| 76 | }
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| 77 | }
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| 78 | SAFE_FREE(p);
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| 79 | return ret;
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| 80 | }
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| 81 |
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| 82 | /* good, its converted OK */
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| 83 | SAFE_FREE(p);
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| 84 | ret = fwrite(p2, 1, clen, f);
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| 85 | talloc_free(p2);
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| 86 |
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| 87 | return ret;
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| 88 | }
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| 89 |
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| 90 |
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| 91 | _PUBLIC_ int d_fprintf(FILE *f, const char *format, ...)
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| 92 | {
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| 93 | int ret;
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| 94 | va_list ap;
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| 95 |
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| 96 | va_start(ap, format);
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| 97 | ret = d_vfprintf(f, format, ap);
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| 98 | va_end(ap);
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| 99 |
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| 100 | return ret;
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| 101 | }
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| 102 |
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| 103 | _PUBLIC_ int d_printf(const char *format, ...)
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| 104 | {
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| 105 | int ret;
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| 106 | va_list ap;
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| 107 |
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| 108 | va_start(ap, format);
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| 109 | ret = d_vfprintf(stdout, format, ap);
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| 110 | va_end(ap);
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| 111 |
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| 112 | return ret;
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| 113 | }
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| 114 |
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