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_vis.c,v 1.2 2006/01/25 12:45:24 phk Exp $ 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 "un-namespace.h" 38 #include "printf.h" 39 40 int 41 __printf_arginfo_vis(const struct printf_info *pi __unused, size_t n, 42 int *argt) 43 { 44 45 assert(n >= 1); 46 argt[0] = PA_POINTER; 47 return (1); 48 } 49 50 int 51 __printf_render_vis(struct __printf_io *io, const struct printf_info *pi, 52 const void *const *arg) 53 { 54 char *p, *buf; 55 unsigned l; 56 int ret; 57 58 ret = 0; 59 p = *((char **)arg[0]); 60 if (p == NULL) 61 return (__printf_out(io, pi, "(null)", 6)); 62 if (pi->prec >= 0) 63 l = pi->prec; 64 else 65 l = strlen(p); 66 buf = malloc(l * 4 + 1); 67 if (buf == NULL) 68 return (-1); 69 if (pi->showsign) 70 ret = strvisx(buf, p, l, VIS_WHITE | VIS_HTTPSTYLE); 71 else if (pi->pad == '0') 72 ret = strvisx(buf, p, l, VIS_WHITE | VIS_OCTAL); 73 else if (pi->alt) 74 ret = strvisx(buf, p, l, VIS_WHITE); 75 else 76 ret = strvisx(buf, p, l, VIS_WHITE | VIS_CSTYLE | VIS_OCTAL); 77 ret += __printf_out(io, pi, buf, ret); 78 __printf_flush(io); 79 free(buf); 80 return(ret); 81 } 82