1*e0f95098SPeter Avalos /*- 2*e0f95098SPeter Avalos * Copyright (c) 2005 Poul-Henning Kamp 3*e0f95098SPeter Avalos * All rights reserved. 4*e0f95098SPeter Avalos * 5*e0f95098SPeter Avalos * Redistribution and use in source and binary forms, with or without 6*e0f95098SPeter Avalos * modification, are permitted provided that the following conditions 7*e0f95098SPeter Avalos * are met: 8*e0f95098SPeter Avalos * 1. Redistributions of source code must retain the above copyright 9*e0f95098SPeter Avalos * notice, this list of conditions and the following disclaimer. 10*e0f95098SPeter Avalos * 2. Redistributions in binary form must reproduce the above copyright 11*e0f95098SPeter Avalos * notice, this list of conditions and the following disclaimer in the 12*e0f95098SPeter Avalos * documentation and/or other materials provided with the distribution. 13*e0f95098SPeter Avalos * 14*e0f95098SPeter Avalos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*e0f95098SPeter Avalos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*e0f95098SPeter Avalos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*e0f95098SPeter Avalos * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*e0f95098SPeter Avalos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*e0f95098SPeter Avalos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*e0f95098SPeter Avalos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*e0f95098SPeter Avalos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*e0f95098SPeter Avalos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*e0f95098SPeter Avalos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*e0f95098SPeter Avalos * SUCH DAMAGE. 25*e0f95098SPeter Avalos * 26*e0f95098SPeter Avalos * $FreeBSD: src/lib/libc/stdio/xprintf_errno.c,v 1.1 2006/01/25 12:45:24 phk Exp $ 27*e0f95098SPeter Avalos */ 28*e0f95098SPeter Avalos 29*e0f95098SPeter Avalos #include <namespace.h> 30*e0f95098SPeter Avalos #include <stdio.h> 31*e0f95098SPeter Avalos #include <string.h> 32*e0f95098SPeter Avalos #include <stdlib.h> 33*e0f95098SPeter Avalos #include <wchar.h> 34*e0f95098SPeter Avalos #include <vis.h> 35*e0f95098SPeter Avalos #include <assert.h> 36*e0f95098SPeter Avalos #include <sys/time.h> 37*e0f95098SPeter Avalos #include "printf.h" 38*e0f95098SPeter Avalos 39*e0f95098SPeter Avalos int 40*e0f95098SPeter Avalos __printf_arginfo_errno(const struct printf_info *pi __unused, size_t n, 41*e0f95098SPeter Avalos int *argt) 42*e0f95098SPeter Avalos { 43*e0f95098SPeter Avalos 44*e0f95098SPeter Avalos assert(n >= 1); 45*e0f95098SPeter Avalos argt[0] = PA_INT; 46*e0f95098SPeter Avalos return (1); 47*e0f95098SPeter Avalos } 48*e0f95098SPeter Avalos 49*e0f95098SPeter Avalos int 50*e0f95098SPeter Avalos __printf_render_errno(struct __printf_io *io, 51*e0f95098SPeter Avalos const struct printf_info *pi __unused, 52*e0f95098SPeter Avalos const void *const *arg) 53*e0f95098SPeter Avalos { 54*e0f95098SPeter Avalos int ret, error; 55*e0f95098SPeter Avalos char buf[64]; 56*e0f95098SPeter Avalos const char *p; 57*e0f95098SPeter Avalos 58*e0f95098SPeter Avalos ret = 0; 59*e0f95098SPeter Avalos error = *((const int *)arg[0]); 60*e0f95098SPeter Avalos if (error >= 0 && error < sys_nerr) { 61*e0f95098SPeter Avalos p = strerror(error); 62*e0f95098SPeter Avalos return (__printf_out(io, pi, p, strlen(p))); 63*e0f95098SPeter Avalos } 64*e0f95098SPeter Avalos sprintf(buf, "errno=%d/0x%x", error, error); 65*e0f95098SPeter Avalos ret += __printf_out(io, pi, buf, strlen(buf)); 66*e0f95098SPeter Avalos __printf_flush(io); 67*e0f95098SPeter Avalos return(ret); 68*e0f95098SPeter Avalos } 69