| 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 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program; if not, write to the Free Software
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| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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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 "display charset"
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| 24 | This charset may be quite different from the chosen unix charset
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| 25 |
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| 26 | Eventually these functions will need to take care of column count constraints
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| 27 |
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| 28 | The d_ prefix on print functions in Samba refers to the display character set
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| 29 | conversion
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| 30 | */
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| 31 |
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| 32 | #include "includes.h"
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| 33 |
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| 34 | int d_vfprintf(FILE *f, const char *format, va_list ap)
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| 35 | {
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| 36 | char *p, *p2;
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| 37 | int ret, maxlen, clen;
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| 38 | const char *msgstr;
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| 39 | va_list ap2;
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| 40 |
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| 41 | /* do any message translations */
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| 42 | msgstr = lang_msg(format);
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| 43 | if (!msgstr) return -1;
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| 44 |
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| 45 | VA_COPY(ap2, ap);
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| 46 |
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| 47 | ret = vasprintf(&p, msgstr, ap2);
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| 48 |
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| 49 | lang_msg_free(msgstr);
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| 50 |
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| 51 | if (ret <= 0) return ret;
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| 52 |
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| 53 | /* now we have the string in unix format, convert it to the display
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| 54 | charset, but beware of it growing */
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| 55 | maxlen = ret*2;
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| 56 | again:
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| 57 | p2 = (char *)SMB_MALLOC(maxlen);
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| 58 | if (!p2) {
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| 59 | SAFE_FREE(p);
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| 60 | return -1;
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| 61 | }
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| 62 | clen = convert_string(CH_UNIX, CH_DISPLAY, p, ret, p2, maxlen, True);
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| 63 |
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| 64 | if (clen >= maxlen) {
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| 65 | /* it didn't fit - try a larger buffer */
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| 66 | maxlen *= 2;
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| 67 | SAFE_FREE(p2);
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| 68 | goto again;
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| 69 | }
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| 70 |
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| 71 | /* good, its converted OK */
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| 72 | SAFE_FREE(p);
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| 73 | ret = fwrite(p2, 1, clen, f);
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| 74 | SAFE_FREE(p2);
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| 75 |
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| 76 | return ret;
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| 77 | }
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| 78 |
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| 79 |
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| 80 | int d_fprintf(FILE *f, const char *format, ...)
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| 81 | {
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| 82 | int ret;
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| 83 | va_list ap;
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| 84 |
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| 85 | va_start(ap, format);
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| 86 | ret = d_vfprintf(f, format, ap);
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| 87 | va_end(ap);
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| 88 |
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| 89 | return ret;
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| 90 | }
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| 91 |
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| 92 | static FILE *outfile;
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| 93 |
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| 94 | int d_printf(const char *format, ...)
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| 95 | {
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| 96 | int ret;
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| 97 | va_list ap;
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| 98 |
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| 99 | if (!outfile) outfile = stdout;
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| 100 |
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| 101 | va_start(ap, format);
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| 102 | ret = d_vfprintf(outfile, format, ap);
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| 103 | va_end(ap);
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| 104 |
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| 105 | return ret;
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| 106 | }
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| 107 |
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| 108 | /* interactive programs need a way of tell d_*() to write to stderr instead
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| 109 | of stdout */
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| 110 | void display_set_stderr(void)
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| 111 | {
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| 112 | outfile = stderr;
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| 113 | }
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