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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