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