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