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/* nbdkit
* Copyright Red Hat
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Red Hat nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "ansi-colours.h"
#include "internal.h"
void
log_fp_verror (FILE *fp, int orig_errno, const char *fs, va_list args)
{
const char *name = threadlocal_get_name ();
size_t instance_num = threadlocal_get_instance_num ();
int tty;
#ifdef HAVE_FLOCKFILE
flockfile (fp);
#endif
tty = isatty (fileno (fp));
if (tty) ansi_force_colour (ANSI_FG_BRIGHT_RED, fp);
fprintf (fp, "%s", program_name);
if (process_name) /* --name parameter */
fprintf (fp, "[%s]", process_name);
fprintf (fp, ": ");
if (name) {
fprintf (fp, "%s", name);
if (instance_num > 0)
fprintf (fp, "[%zu]", instance_num);
fprintf (fp, ": ");
}
fprintf (fp, "error: ");
errno = orig_errno; /* must restore in case fs contains %m */
vfprintf (fp, fs, args);
fprintf (fp, "\n");
if (tty) ansi_force_restore (fp);
fflush (fp);
#ifdef HAVE_FUNLOCKFILE
funlockfile (fp);
#endif
}
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