mirror of
https://github.com/omar-polo/gmid.git
synced 2024-09-29 22:12:12 +02:00
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
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/*
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* Copyright (c) 2021 Omar Polo <op@omarpolo.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <stdarg.h>
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/* cheat: if we don't have getprogname in stdlib, will link against
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* compat/getprogname.c anyway. */
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const char *getprogname(void);
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static void vwarn_impl(const char*, va_list);
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static void vwarnx_impl(const char*, va_list);
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static void
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vwarn_impl(const char *fmt, va_list ap)
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{
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fprintf(stderr, "%s: ", getprogname());
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, ": %s\n", strerror(errno));
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}
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static void
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vwarnx_impl(const char *fmt, va_list ap)
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{
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fprintf(stderr, "%s: ", getprogname());
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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}
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void
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err(int ret, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarn_impl(fmt, va);
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va_end(ap, fmt);
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exit(ret);
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}
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void
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errx(int ret, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarnx_impl(fmt, va);
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va_end(ap, fmt);
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exit(ret);
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}
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void
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warn(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarn_impl(fmt, va);
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va_end(ap, fmt);
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}
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void
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warnx(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarnx_impl(fmt, va);
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va_end(ap, fmt);
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}
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