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Diffstat (limited to 'contrib/mdocml/compat_err.c')
-rw-r--r-- | contrib/mdocml/compat_err.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/contrib/mdocml/compat_err.c b/contrib/mdocml/compat_err.c new file mode 100644 index 0000000..d8b09cb --- /dev/null +++ b/contrib/mdocml/compat_err.c @@ -0,0 +1,112 @@ +#include "config.h" + +#if HAVE_ERR + +int dummy; + +#else + +/* $Id: compat_err.c,v 1.4 2015/11/26 07:42:11 schwarze Exp $ */ +/* + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name of the University 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 THE REGENTS 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 THE REGENTS 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 <errno.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +static void vwarni(const char *, va_list); +static void vwarnxi(const char *, va_list); + +static void +vwarnxi(const char *fmt, va_list ap) +{ + fprintf(stderr, "%s: ", getprogname()); + if (fmt != NULL) + vfprintf(stderr, fmt, ap); +} + +static void +vwarni(const char *fmt, va_list ap) +{ + int sverrno; + + sverrno = errno; + vwarnxi(fmt, ap); + if (fmt != NULL) + fputs(": ", stderr); + fprintf(stderr, "%s\n", strerror(sverrno)); +} + +void +err(int eval, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vwarni(fmt, ap); + va_end(ap); + exit(eval); +} + +void +errx(int eval, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vwarnxi(fmt, ap); + va_end(ap); + fputc('\n', stderr); + exit(eval); +} + +void +warn(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vwarni(fmt, ap); + va_end(ap); +} + +void +warnx(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vwarnxi(fmt, ap); + va_end(ap); + fputc('\n', stderr); +} + +#endif |