muerror.c
2.18 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2005, 2007 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <syslog.h>
#include <string.h>
#include <mailutils/error.h>
const char *mu_program_name;
void
mu_set_program_name (const char *name)
{
char *progname = strrchr (name, '/');
if (progname)
progname++;
else
progname = name;
if (strlen (progname) > 3 && memcmp (progname, "lt-", 3) == 0)
progname += 3;
mu_program_name = progname;
}
int
mu_default_error_printer (const char *fmt, va_list ap)
{
if (mu_program_name)
fprintf (stderr, "%s: ", mu_program_name);
vfprintf (stderr, fmt, ap);
fputc ('\n', stderr);
return 0;
}
int
mu_syslog_error_printer (const char *fmt, va_list ap)
{
#ifdef HAVE_VSYSLOG
vsyslog (LOG_CRIT, fmt, ap);
#else
char buf[128];
vsnprintf (buf, sizeof buf, fmt, ap);
syslog (LOG_CRIT, "%s", buf);
#endif
return 0;
}
static mu_error_pfn_t mu_error_printer = mu_default_error_printer;
int
mu_verror (const char *fmt, va_list ap)
{
if (mu_error_printer)
return (*mu_error_printer) (fmt, ap);
return 0;
}
int
mu_error (const char *fmt, ...)
{
int status;
va_list ap;
if (!mu_error_printer)
return 0;
va_start (ap, fmt);
status = (*mu_error_printer) (fmt, ap);
va_end (ap);
return status;
}
void
mu_error_set_print (mu_error_pfn_t pfn)
{
mu_error_printer = pfn;
}