mirror of git://git.gnupg.org/gnupg.git
115 lines
2.5 KiB
C
115 lines
2.5 KiB
C
/* assuan-logging.c - Default logging function.
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* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
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*
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* This file is part of Assuan.
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*
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* Assuan is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* Assuan is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* Please note that this is a stripped down and modified version of
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the orginal Assuan code from libassuan. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#ifdef HAVE_W32_SYSTEM
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#include <windows.h>
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#endif /*HAVE_W32_SYSTEM*/
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#include "assuan-defs.h"
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static char prefix_buffer[80];
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static FILE *_assuan_log;
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void
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_assuan_set_default_log_stream (FILE *fp)
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{
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if (!_assuan_log)
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_assuan_log = fp;
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}
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void
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assuan_set_assuan_log_stream (FILE *fp)
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{
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_assuan_log = fp;
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}
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FILE *
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assuan_get_assuan_log_stream (void)
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{
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return _assuan_log ? _assuan_log : stderr;
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}
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/* Set the prefix to be used for logging to TEXT or
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resets it to the default if TEXT is NULL. */
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void
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assuan_set_assuan_log_prefix (const char *text)
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{
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if (text)
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{
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strncpy (prefix_buffer, text, sizeof (prefix_buffer)-1);
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prefix_buffer[sizeof (prefix_buffer)-1] = 0;
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}
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else
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*prefix_buffer = 0;
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}
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const char *
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assuan_get_assuan_log_prefix (void)
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{
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return prefix_buffer;
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}
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void
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_assuan_log_printf (const char *format, ...)
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{
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va_list arg_ptr;
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FILE *fp;
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const char *prf;
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fp = assuan_get_assuan_log_stream ();
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prf = assuan_get_assuan_log_prefix ();
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if (*prf)
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{
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fputs (prf, fp);
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fputs (": ", fp);
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}
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va_start (arg_ptr, format);
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vfprintf (fp, format, arg_ptr );
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va_end (arg_ptr);
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}
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#ifdef HAVE_W32_SYSTEM
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const char *
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_assuan_w32_strerror (int ec)
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{
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static char strerr[256];
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if (ec == -1)
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ec = (int)GetLastError ();
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FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, ec,
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MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
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strerr, sizeof (strerr)-1, NULL);
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return strerr;
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}
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#endif /*HAVE_W32_SYSTEM*/
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