freebsd-nq/gnu/usr.bin/cvs/lib/error.c

186 lines
4.2 KiB
C

/* error.c -- error handler for noninteractive utilities
Copyright (C) 1990-1992 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* David MacKenzie */
/* Brian Berliner added support for CVS */
#ifndef lint
static char rcsid[] = "$CVSid: @(#)error.c 1.13 94/09/30 $";
#endif /* not lint */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
/* turn on CVS support by default, since this is the CVS distribution */
#define CVS_SUPPORT
#ifdef CVS_SUPPORT
#if __STDC__
void Lock_Cleanup(void);
#else
void Lock_Cleanup();
#endif /* __STDC__ */
#endif /* CVS_SUPPORT */
#ifdef HAVE_VPRINTF
#if __STDC__
#include <stdarg.h>
#define VA_START(args, lastarg) va_start(args, lastarg)
#else
#include <varargs.h>
#define VA_START(args, lastarg) va_start(args)
#endif
#else
#ifdef HAVE_DOPRNT
#define va_alist args
#define va_dcl int args;
#else
#define va_alist a1, a2, a3, a4, a5, a6, a7, a8
#define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
#endif
#endif
#if STDC_HEADERS
#include <stdlib.h>
#include <string.h>
#else
#if __STDC__
void exit(int status);
#else
void exit ();
#endif /* __STDC__ */
#endif
extern char *strerror ();
/* Print the program name and error message MESSAGE, which is a printf-style
format string with optional args.
If ERRNUM is nonzero, print its corresponding system error message.
Exit with status STATUS if it is nonzero. */
/* VARARGS */
void
#if defined (HAVE_VPRINTF) && __STDC__
error (int status, int errnum, char *message, ...)
#else
error (status, errnum, message, va_alist)
int status;
int errnum;
char *message;
va_dcl
#endif
{
extern char *program_name;
#ifdef CVS_SUPPORT
extern char *command_name;
#endif
#ifdef HAVE_VPRINTF
va_list args;
#endif
#ifdef CVS_SUPPORT
if (command_name && *command_name)
if (status)
fprintf (stderr, "%s [%s aborted]: ", program_name, command_name);
else
fprintf (stderr, "%s %s: ", program_name, command_name);
else
fprintf (stderr, "%s: ", program_name);
#else
fprintf (stderr, "%s: ", program_name);
#endif
#ifdef HAVE_VPRINTF
VA_START (args, message);
vfprintf (stderr, message, args);
va_end (args);
#else
#ifdef HAVE_DOPRNT
_doprnt (message, &args, stderr);
#else
fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
#endif
#endif
if (errnum)
fprintf (stderr, ": %s", strerror (errnum));
putc ('\n', stderr);
fflush (stderr);
if (status)
{
#ifdef CVS_SUPPORT
Lock_Cleanup();
#endif
exit (status);
}
}
#ifdef CVS_SUPPORT
/* Print the program name and error message MESSAGE, which is a printf-style
format string with optional args to the file specified by FP.
If ERRNUM is nonzero, print its corresponding system error message.
Exit with status STATUS if it is nonzero. */
/* VARARGS */
void
#if defined (HAVE_VPRINTF) && __STDC__
fperror (FILE *fp, int status, int errnum, char *message, ...)
#else
fperror (fp, status, errnum, message, va_alist)
FILE *fp;
int status;
int errnum;
char *message;
va_dcl
#endif
{
extern char *program_name;
#ifdef HAVE_VPRINTF
va_list args;
#endif
fprintf (fp, "%s: ", program_name);
#ifdef HAVE_VPRINTF
VA_START (args, message);
vfprintf (fp, message, args);
va_end (args);
#else
#ifdef HAVE_DOPRNT
_doprnt (message, &args, fp);
#else
fprintf (fp, message, a1, a2, a3, a4, a5, a6, a7, a8);
#endif
#endif
if (errnum)
fprintf (fp, ": %s", strerror (errnum));
putc ('\n', fp);
fflush (fp);
if (status)
{
#ifdef CVS_SUPPORT
Lock_Cleanup();
#endif
exit (status);
}
}
#endif /* CVS_SUPPORT */