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https://github.com/samba-team/samba.git
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8538af1107
matching va_end() for each va_copy(). This doesn't matter for most architectures, but there could be some obscure ones where it does matter. some of this should be ported to Samba3 (This used to be commit 21eb316473486cb6b73bb3ff9c5f3a44ecd57e4a)
108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
/*
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Unix SMB/CIFS implementation.
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display print functions
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Copyright (C) Andrew Tridgell 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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this module provides functions for printing internal strings in the "display charset"
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This charset may be quite different from the chosen unix charset
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Eventually these functions will need to take care of column count constraints
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The d_ prefix on print functions in Samba refers to the display character set
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conversion
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*/
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#include "includes.h"
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_PUBLIC_ int d_vfprintf(FILE *f, const char *format, va_list ap) _PRINTF_ATTRIBUTE(2,0)
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{
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char *p, *p2;
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int ret, maxlen, clen;
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va_list ap2;
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/* do any message translations */
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va_copy(ap2, ap);
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ret = vasprintf(&p, format, ap2);
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va_end(ap2);
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if (ret <= 0) return ret;
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/* now we have the string in unix format, convert it to the display
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charset, but beware of it growing */
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maxlen = ret*2;
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again:
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p2 = malloc(maxlen);
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if (!p2) {
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SAFE_FREE(p);
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return -1;
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}
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clen = convert_string(CH_UNIX, CH_DISPLAY, p, ret, p2, maxlen);
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if (clen >= maxlen) {
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/* it didn't fit - try a larger buffer */
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maxlen *= 2;
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SAFE_FREE(p2);
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goto again;
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}
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/* good, its converted OK */
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SAFE_FREE(p);
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ret = fwrite(p2, 1, clen, f);
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SAFE_FREE(p2);
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return ret;
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}
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_PUBLIC_ int d_fprintf(FILE *f, const char *format, ...) _PRINTF_ATTRIBUTE(2,3)
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{
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int ret;
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va_list ap;
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va_start(ap, format);
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ret = d_vfprintf(f, format, ap);
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va_end(ap);
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return ret;
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}
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static FILE *outfile;
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_PUBLIC_ int d_printf(const char *format, ...) _PRINTF_ATTRIBUTE(1,2)
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{
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int ret;
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va_list ap;
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if (!outfile) outfile = stdout;
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va_start(ap, format);
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ret = d_vfprintf(outfile, format, ap);
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va_end(ap);
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return ret;
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}
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/* interactive programs need a way of tell d_*() to write to stderr instead
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of stdout */
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_PUBLIC_ void display_set_stderr(void)
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{
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outfile = stderr;
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}
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