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_hexdump.c,v 1.1 2005/12/16 18:56:38 phk Exp $ 27*e0f95098SPeter Avalos */ 28*e0f95098SPeter Avalos 29*e0f95098SPeter Avalos #include "namespace.h" 30*e0f95098SPeter Avalos #include <stdio.h> 31*e0f95098SPeter Avalos #include <wchar.h> 32*e0f95098SPeter Avalos #include <stdint.h> 33*e0f95098SPeter Avalos #include <assert.h> 34*e0f95098SPeter Avalos #include <sys/time.h> 35*e0f95098SPeter Avalos #include "un-namespace.h" 36*e0f95098SPeter Avalos #include "printf.h" 37*e0f95098SPeter Avalos 38*e0f95098SPeter Avalos int 39*e0f95098SPeter Avalos __printf_arginfo_hexdump(const struct printf_info *pi, size_t n, int *argt) 40*e0f95098SPeter Avalos { 41*e0f95098SPeter Avalos 42*e0f95098SPeter Avalos assert(n >= 2); 43*e0f95098SPeter Avalos argt[0] = PA_POINTER; 44*e0f95098SPeter Avalos argt[1] = PA_INT; 45*e0f95098SPeter Avalos return (2); 46*e0f95098SPeter Avalos } 47*e0f95098SPeter Avalos 48*e0f95098SPeter Avalos int 49*e0f95098SPeter Avalos __printf_render_hexdump(struct __printf_io *io, const struct printf_info *pi, 50*e0f95098SPeter Avalos const void *const *arg) 51*e0f95098SPeter Avalos { 52*e0f95098SPeter Avalos unsigned char *p; 53*e0f95098SPeter Avalos unsigned u, l, j, a; 54*e0f95098SPeter Avalos char buf[100], *q; 55*e0f95098SPeter Avalos int ret; 56*e0f95098SPeter Avalos 57*e0f95098SPeter Avalos if (pi->width > 0 && pi->width < 16) 58*e0f95098SPeter Avalos l = pi->width; 59*e0f95098SPeter Avalos else 60*e0f95098SPeter Avalos l = 16; 61*e0f95098SPeter Avalos p = *((unsigned char **)arg[0]); 62*e0f95098SPeter Avalos u = *((unsigned *)arg[1]); 63*e0f95098SPeter Avalos 64*e0f95098SPeter Avalos ret = 0; 65*e0f95098SPeter Avalos a = 0; 66*e0f95098SPeter Avalos while (u > 0) { 67*e0f95098SPeter Avalos q = buf; 68*e0f95098SPeter Avalos if (pi->showsign) 69*e0f95098SPeter Avalos q += sprintf(q, " %04x", a); 70*e0f95098SPeter Avalos for (j = 0; j < l && j < u; j++) 71*e0f95098SPeter Avalos q += sprintf(q, " %02x", p[j]); 72*e0f95098SPeter Avalos if (pi->alt) { 73*e0f95098SPeter Avalos for (; j < l; j++) 74*e0f95098SPeter Avalos q += sprintf(q, " "); 75*e0f95098SPeter Avalos q += sprintf(q, " |"); 76*e0f95098SPeter Avalos for (j = 0; j < l && j < u; j++) { 77*e0f95098SPeter Avalos if (p[j] < ' ' || p[j] > '~') 78*e0f95098SPeter Avalos *q++ = '.'; 79*e0f95098SPeter Avalos else 80*e0f95098SPeter Avalos *q++ = p[j]; 81*e0f95098SPeter Avalos } 82*e0f95098SPeter Avalos for (; j < l; j++) 83*e0f95098SPeter Avalos *q++ = ' '; 84*e0f95098SPeter Avalos *q++ = '|'; 85*e0f95098SPeter Avalos } 86*e0f95098SPeter Avalos if (l < u) 87*e0f95098SPeter Avalos j = l; 88*e0f95098SPeter Avalos else 89*e0f95098SPeter Avalos j = u; 90*e0f95098SPeter Avalos p += j; 91*e0f95098SPeter Avalos u -= j; 92*e0f95098SPeter Avalos a += j; 93*e0f95098SPeter Avalos if (u > 0) 94*e0f95098SPeter Avalos *q++ = '\n'; 95*e0f95098SPeter Avalos ret += __printf_puts(io, buf + 1, q - (buf + 1)); 96*e0f95098SPeter Avalos __printf_flush(io); 97*e0f95098SPeter Avalos } 98*e0f95098SPeter Avalos return (ret); 99*e0f95098SPeter Avalos } 100