mirror of https://github.com/tmux/tmux.git
94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
/*
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* Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.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 MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "compat.h"
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void
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err(int eval, const char *fmt, ...)
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{
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va_list ap;
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int saved_errno = errno;
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fprintf(stderr, "%s: ", getprogname());
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va_start(ap, fmt);
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if (fmt != NULL) {
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, ": ");
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}
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va_end(ap);
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fprintf(stderr, "%s\n", strerror(saved_errno));
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exit(eval);
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}
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void
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errx(int eval, const char *fmt, ...)
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{
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va_list ap;
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fprintf(stderr, "%s: ", getprogname());
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va_start(ap, fmt);
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if (fmt != NULL)
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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putc('\n', stderr);
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exit(eval);
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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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int saved_errno = errno;
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fprintf(stderr, "%s: ", getprogname());
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va_start(ap, fmt);
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if (fmt != NULL) {
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, ": ");
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}
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va_end(ap);
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fprintf(stderr, "%s\n", strerror(saved_errno));
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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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fprintf(stderr, "%s: ", getprogname());
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va_start(ap, fmt);
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if (fmt != NULL)
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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putc('\n', stderr);
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}
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