1326938Sdim/*- 2326938Sdim * Copyright (c) 2005 Poul-Henning Kamp 3326938Sdim * All rights reserved. 4326938Sdim * 5326938Sdim * Redistribution and use in source and binary forms, with or without 6326938Sdim * modification, are permitted provided that the following conditions 7326938Sdim * are met: 8326938Sdim * 1. Redistributions of source code must retain the above copyright 9326938Sdim * notice, this list of conditions and the following disclaimer. 10326938Sdim * 2. Redistributions in binary form must reproduce the above copyright 11326938Sdim * notice, this list of conditions and the following disclaimer in the 12326938Sdim * documentation and/or other materials provided with the distribution. 13326938Sdim * 14326938Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15326938Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16326938Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17326938Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18326938Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19326938Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20326938Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21326938Sdim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22326938Sdim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23326938Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24326938Sdim * SUCH DAMAGE. 25326938Sdim * 26326938Sdim * $FreeBSD$ 27326938Sdim */ 28326938Sdim 29326938Sdim#include <namespace.h> 30326938Sdim#include <stdio.h> 31326938Sdim#include <wchar.h> 32326938Sdim#include <stdint.h> 33326938Sdim#include <assert.h> 34326938Sdim#include <sys/time.h> 35326938Sdim#include "printf.h" 36326938Sdim 37326938Sdimint 38326938Sdim__printf_arginfo_hexdump(const struct printf_info *pi, size_t n, int *argt) 39326938Sdim{ 40326938Sdim 41326938Sdim assert(n >= 2); 42326938Sdim argt[0] = PA_POINTER; 43326938Sdim argt[1] = PA_INT; 44326938Sdim return (2); 45326938Sdim} 46326938Sdim 47326938Sdimint 48326938Sdim__printf_render_hexdump(struct __printf_io *io, const struct printf_info *pi, const void *const *arg) 49326938Sdim{ 50326938Sdim unsigned char *p; 51326938Sdim unsigned u, l, j, a; 52326938Sdim char buf[100], *q; 53326938Sdim int ret; 54326938Sdim 55 if (pi->width > 0 && pi->width < 16) 56 l = pi->width; 57 else 58 l = 16; 59 p = *((unsigned char **)arg[0]); 60 u = *((unsigned *)arg[1]); 61 62 ret = 0; 63 a = 0; 64 while (u > 0) { 65 q = buf; 66 if (pi->showsign) 67 q += sprintf(q, " %04x", a); 68 for (j = 0; j < l && j < u; j++) 69 q += sprintf(q, " %02x", p[j]); 70 if (pi->alt) { 71 for (; j < l; j++) 72 q += sprintf(q, " "); 73 q += sprintf(q, " |"); 74 for (j = 0; j < l && j < u; j++) { 75 if (p[j] < ' ' || p[j] > '~') 76 *q++ = '.'; 77 else 78 *q++ = p[j]; 79 } 80 for (; j < l; j++) 81 *q++ = ' '; 82 *q++ = '|'; 83 } 84 if (l < u) 85 j = l; 86 else 87 j = u; 88 p += j; 89 u -= j; 90 a += j; 91 if (u > 0) 92 *q++ = '\n'; 93 ret += __printf_puts(io, buf + 1, q - (buf + 1)); 94 __printf_flush(io); 95 } 96 return (ret); 97} 98