home *** CD-ROM | disk | FTP | other *** search
- /* @(#)serrmsg.c 1.1 00/08/03 Copyright 1985,2000 J. Schilling */
- /*
- * Routines for printing command errors
- *
- * Copyright (c) 1985,2000 J. Schilling
- */
- /*
- * 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; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include <mconfig.h>
- #include <stdio.h>
- #include <standard.h>
- #include <stdxlib.h>
- #include <vadefs.h>
- #include <strdefs.h>
- #include <schily.h>
- #ifndef HAVE_STRERROR
- extern char *sys_errlist[];
- extern int sys_nerr;
- #endif
-
- EXPORT int serrmsg __PR((char *buf, size_t maxcnt, const char *, ...));
- EXPORT int serrmsgno __PR((int, char *buf, size_t maxcnt, const char *, ...));
- LOCAL int _serrmsg __PR((int, char *buf, size_t maxcnt, const char *, va_list));
-
- /* VARARGS1 */
- EXPORT int
- #ifdef PROTOTYPES
- serrmsg(char *buf, size_t maxcnt, const char *msg, ...)
- #else
- serrmsg(buf, maxcnt, msg, va_alist)
- char *buf;
- size_t maxcnt;
- char *msg;
- va_dcl
- #endif
- {
- va_list args;
- int ret;
-
- #ifdef PROTOTYPES
- va_start(args, msg);
- #else
- va_start(args);
- #endif
- ret = _serrmsg(geterrno(), buf, maxcnt, msg, args);
- va_end(args);
- return (ret);
- }
-
- /* VARARGS2 */
- #ifdef PROTOTYPES
- EXPORT int
- serrmsgno(int err, char *buf, size_t maxcnt, const char *msg, ...)
- #else
- serrmsgno(err, buf, maxcnt, msg, va_alist)
- int err;
- char *buf;
- size_t maxcnt;
- char *msg;
- va_dcl
- #endif
- {
- va_list args;
- int ret;
-
- #ifdef PROTOTYPES
- va_start(args, msg);
- #else
- va_start(args);
- #endif
- ret = _serrmsg(err, buf, maxcnt, msg, args);
- va_end(args);
- return (ret);
- }
-
- LOCAL int
- _serrmsg(err, buf, maxcnt, msg, args)
- int err;
- char *buf;
- size_t maxcnt;
- const char *msg;
- va_list args;
- {
- int ret;
- char errbuf[20];
- char *errnam;
- char *prognam = get_progname();
-
- if (err < 0) {
- ret = js_snprintf(buf, maxcnt, "%s: %r", prognam, msg, args);
- } else {
- errnam = errmsgstr(err);
- if (errnam == NULL) {
- (void)js_snprintf(errbuf, sizeof (errbuf),
- "Error %d", err);
- errnam = errbuf;
- }
- ret = js_snprintf(buf, maxcnt,
- "%s: %s. %r", prognam, errnam, msg, args);
- }
- return (ret);
- }
-