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, size_t n, int *argt) 42 { 43 44 assert(n >= 1); 45 argt[0] = PA_POINTER; 46 return (1); 47 } 48 49 int 50 __printf_render_vis(struct __printf_io *io, const struct printf_info *pi, 51 const void *const *arg) 52 { 53 char *p, *buf; 54 unsigned l; 55 int ret; 56 57 ret = 0; 58 p = *((char **)arg[0]); 59 if (p == NULL) 60 return (__printf_out(io, pi, "(null)", 6)); 61 if (pi->prec >= 0) 62 l = pi->prec; 63 else 64 l = strlen(p); 65 buf = malloc(l * 4 + 1); 66 if (buf == NULL) 67 return (-1); 68 if (pi->showsign) 69 ret = strvisx(buf, p, l, VIS_WHITE | VIS_HTTPSTYLE); 70 else if (pi->pad == '0') 71 ret = strvisx(buf, p, l, VIS_WHITE | VIS_OCTAL); 72 else if (pi->alt) 73 ret = strvisx(buf, p, l, VIS_WHITE); 74 else 75 ret = strvisx(buf, p, l, VIS_WHITE | VIS_CSTYLE | VIS_OCTAL); 76 ret += __printf_out(io, pi, buf, ret); 77 __printf_flush(io); 78 free(buf); 79 return(ret); 80 } 81