projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 6465356a A |
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: src/lib/libc/stdio/xprintf_hexdump.c,v 1.1 2005/12/16 18:56:38 phk Exp $ | |
| 27 | */ | |
| 28 | ||
| 29 | #include <namespace.h> | |
| 30 | #include <stdio.h> | |
| 31 | #include <wchar.h> | |
| 32 | #include <stdint.h> | |
| 33 | #include <assert.h> | |
| 34 | #include <sys/time.h> | |
| 35 | #include "printf.h" | |
| 36 | #include "xprintf_private.h" | |
| 37 | ||
| 38 | __private_extern__ int | |
| 39 | __printf_arginfo_hexdump(const struct printf_info *pi, size_t n, int *argt) | |
| 40 | { | |
| 41 | ||
| 42 | assert(n >= 2); | |
| 43 | argt[0] = PA_POINTER; | |
| 44 | argt[1] = PA_INT; | |
| 45 | return (2); | |
| 46 | } | |
| 47 | ||
| 48 | __private_extern__ int | |
| 49 | __printf_render_hexdump(struct __printf_io *io, const struct printf_info *pi, const void *const *arg) | |
| 50 | { | |
| 51 | unsigned char *p; | |
| 52 | unsigned u, l, j, a; | |
| 53 | char buf[100], *q; | |
| 54 | int ret; | |
| 55 | ||
| 56 | if (pi->width > 0 && pi->width < 16) | |
| 57 | l = pi->width; | |
| 58 | else | |
| 59 | l = 16; | |
| 60 | p = *((unsigned char **)arg[0]); | |
| 61 | u = *((unsigned *)arg[1]); | |
| 62 | ||
| 63 | ret = 0; | |
| 64 | a = 0; | |
| 65 | while (u > 0) { | |
| 66 | q = buf; | |
| 67 | if (pi->showsign) | |
| 68 | q += sprintf(q, " %04x", a); | |
| 69 | for (j = 0; j < l && j < u; j++) | |
| 70 | q += sprintf(q, " %02x", p[j]); | |
| 71 | if (pi->alt) { | |
| 72 | for (; j < l; j++) | |
| 73 | q += sprintf(q, " "); | |
| 74 | q += sprintf(q, " |"); | |
| 75 | for (j = 0; j < l && j < u; j++) { | |
| 76 | if (p[j] < ' ' || p[j] > '~') | |
| 77 | *q++ = '.'; | |
| 78 | else | |
| 79 | *q++ = p[j]; | |
| 80 | } | |
| 81 | for (; j < l; j++) | |
| 82 | *q++ = ' '; | |
| 83 | *q++ = '|'; | |
| 84 | } | |
| 85 | if (l < u) | |
| 86 | j = l; | |
| 87 | else | |
| 88 | j = u; | |
| 89 | p += j; | |
| 90 | u -= j; | |
| 91 | a += j; | |
| 92 | if (u > 0) | |
| 93 | *q++ = '\n'; | |
| 94 | ret += __printf_puts(io, buf + 1, q - (buf + 1)); | |
| 95 | __printf_flush(io); | |
| 96 | } | |
| 97 | return (ret); | |
| 98 | } |