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authorJim Meyering <jim@meyering.net>1992-11-01 05:44:29 +0000
committerJim Meyering <jim@meyering.net>1992-11-01 05:44:29 +0000
commitccbd1d7dc5189f4637468a8136f672e60ee0e531 (patch)
treef07938daa9443c4a699efa77d88eb9eb2c2e663b /lib/error.c
parent144b82c6c22abaa2a3247dc33b286662a7aa90d9 (diff)
downloadcoreutils-ccbd1d7dc5189f4637468a8136f672e60ee0e531.tar.xz
Initial revision
Diffstat (limited to 'lib/error.c')
-rw-r--r--lib/error.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/lib/error.c b/lib/error.c
new file mode 100644
index 000000000..7e61f1507
--- /dev/null
+++ b/lib/error.c
@@ -0,0 +1,105 @@
+/* error.c -- error handler for noninteractive utilities
+ Copyright (C) 1990, 1991, 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. */
+
+/* Written by David MacKenzie. */
+
+#include <stdio.h>
+
+#ifdef HAVE_VPRINTF
+
+#if __STDC__
+#include <stdarg.h>
+#define VA_START(args, lastarg) va_start(args, lastarg)
+#else /* !__STDC__ */
+#include <varargs.h>
+#define VA_START(args, lastarg) va_start(args)
+#endif /* !__STDC__ */
+
+#else /* !HAVE_VPRINTF */
+
+#ifdef HAVE_DOPRNT
+#define va_alist args
+#define va_dcl int args;
+#else /* !HAVE_DOPRNT */
+#define va_alist a1, a2, a3, a4, a5, a6, a7, a8
+#define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
+#endif /* !HAVE_DOPRNT */
+
+#endif /* !HAVE_VPRINTF */
+
+#ifdef STDC_HEADERS
+#include <stdlib.h>
+#include <string.h>
+#else /* !STDC_HEADERS */
+void exit ();
+#endif /* !STDC_HEADERS */
+
+#ifndef HAVE_STRERROR
+static char *
+private_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";
+}
+#define strerror private_strerror
+#endif /* !HAVE_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 /* !HAVE_VPRINTF or !__STDC__ */
+error (status, errnum, message, va_alist)
+ int status;
+ int errnum;
+ char *message;
+ va_dcl
+#endif /* !HAVE_VPRINTF or !__STDC__ */
+{
+ extern char *program_name;
+#ifdef HAVE_VPRINTF
+ va_list args;
+#endif /* HAVE_VPRINTF */
+
+ fprintf (stderr, "%s: ", program_name);
+#ifdef HAVE_VPRINTF
+ VA_START (args, message);
+ vfprintf (stderr, message, args);
+ va_end (args);
+#else /* !HAVE_VPRINTF */
+#ifdef HAVE_DOPRNT
+ _doprnt (message, &args, stderr);
+#else /* !HAVE_DOPRNT */
+ fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
+#endif /* !HAVE_DOPRNT */
+#endif /* !HAVE_VPRINTF */
+ if (errnum)
+ fprintf (stderr, ": %s", strerror (errnum));
+ putc ('\n', stderr);
+ fflush (stderr);
+ if (status)
+ exit (status);
+}