Annotation of embedaddon/tmux/compat/err.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
! 3: *
! 4: * Permission to use, copy, modify, and distribute this software for any
! 5: * purpose with or without fee is hereby granted, provided that the above
! 6: * copyright notice and this permission notice appear in all copies.
! 7: *
! 8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 12: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 13: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 14: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 15: */
! 16:
! 17: #include <sys/types.h>
! 18:
! 19: #include <errno.h>
! 20: #include <stdarg.h>
! 21: #include <stdlib.h>
! 22: #include <stdio.h>
! 23: #include <string.h>
! 24:
! 25: #include "compat.h"
! 26:
! 27: void
! 28: err(int eval, const char *fmt, ...)
! 29: {
! 30: va_list ap;
! 31: int saved_errno = errno;
! 32:
! 33: fprintf(stderr, "%s: ", getprogname());
! 34:
! 35: va_start(ap, fmt);
! 36: if (fmt != NULL) {
! 37: vfprintf(stderr, fmt, ap);
! 38: fprintf(stderr, ": ");
! 39: }
! 40: va_end(ap);
! 41:
! 42: fprintf(stderr, "%s\n", strerror(saved_errno));
! 43: exit(eval);
! 44: }
! 45:
! 46: void
! 47: errx(int eval, const char *fmt, ...)
! 48: {
! 49: va_list ap;
! 50:
! 51: fprintf(stderr, "%s: ", getprogname());
! 52:
! 53: va_start(ap, fmt);
! 54: if (fmt != NULL)
! 55: vfprintf(stderr, fmt, ap);
! 56: va_end(ap);
! 57:
! 58: putc('\n', stderr);
! 59: exit(eval);
! 60: }
! 61:
! 62: void
! 63: warn(const char *fmt, ...)
! 64: {
! 65: va_list ap;
! 66: int saved_errno = errno;
! 67:
! 68: fprintf(stderr, "%s: ", getprogname());
! 69:
! 70: va_start(ap, fmt);
! 71: if (fmt != NULL) {
! 72: vfprintf(stderr, fmt, ap);
! 73: fprintf(stderr, ": ");
! 74: }
! 75: va_end(ap);
! 76:
! 77: fprintf(stderr, "%s\n", strerror(saved_errno));
! 78: }
! 79:
! 80: void
! 81: warnx(const char *fmt, ...)
! 82: {
! 83: va_list ap;
! 84:
! 85: fprintf(stderr, "%s: ", getprogname());
! 86:
! 87: va_start(ap, fmt);
! 88: if (fmt != NULL)
! 89: vfprintf(stderr, fmt, ap);
! 90: va_end(ap);
! 91:
! 92: putc('\n', stderr);
! 93: }
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