1 files changed, 193 insertions, 0 deletions
diff --git a/gnu/usr.bin/cvs/lib/error.c b/gnu/usr.bin/cvs/lib/error.c
new file mode 100644
index 0000000..fadb1c5
--- /dev/null
+++ b/gnu/usr.bin/cvs/lib/error.c
@@ -0,0 +1,193 @@
+/* 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[] = "@(#)error.c 1.9 92/03/31";
+#endif /* not lint */
+
+#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 */
+
+#ifndef VPRINTF_MISSING
+
+#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
+
+#ifndef DOPRNT_MISSING
+#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
+
+#ifdef STDC_HEADERS
+#include <stdlib.h>
+#include <string.h>
+#else
+#if __STDC__
+void exit(int status);
+#else
+void exit ();
+#endif /* __STDC__ */
+#endif
+
+#ifdef STRERROR_MISSING
+static char *
+strerror (errnum)
+     int errnum;
+{
+  extern char *sys_errlist[];
+  extern int sys_nerr;
+
+  if (errnum > 0 && errnum < sys_nerr)
+    return sys_errlist[errnum];
+  return "Unknown system error";
+}
+#endif /* STRERROR_MISSING */
+
+/* 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 (VPRINTF_MISSING) && __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
+#ifndef VPRINTF_MISSING
+  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
+#ifndef VPRINTF_MISSING
+  VA_START (args, message);
+  vfprintf (stderr, message, args);
+  va_end (args);
+#else
+#ifndef DOPRNT_MISSING
+  _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 (VPRINTF_MISSING) && __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;
+#ifndef VPRINTF_MISSING
+  va_list args;
+#endif
+
+  fprintf (fp, "%s: ", program_name);
+#ifndef VPRINTF_MISSING
+  VA_START (args, message);
+  vfprintf (fp, message, args);
+  va_end (args);
+#else
+#ifndef DOPRNT_MISSING
+  _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 */