1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2005 Poul-Henning Kamp 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 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 "printf.h" 38 39 int 40 __printf_arginfo_vis(const struct printf_info *pi, size_t n, int *argt) 41 { 42 43 assert(n >= 1); 44 argt[0] = PA_POINTER; 45 return (1); 46 } 47 48 int 49 __printf_render_vis(struct __printf_io *io, const struct printf_info *pi, const void *const *arg) 50 { 51 char *p, *buf; 52 unsigned l; 53 int ret; 54 55 ret = 0; 56 p = *((char **)arg[0]); 57 if (p == NULL) 58 return (__printf_out(io, pi, "(null)", 6)); 59 if (pi->prec >= 0) 60 l = pi->prec; 61 else 62 l = strlen(p); 63 buf = malloc(l * 4 + 1); 64 if (buf == NULL) 65 return (-1); 66 if (pi->showsign) 67 ret = strvisx(buf, p, l, VIS_WHITE | VIS_HTTPSTYLE); 68 else if (pi->pad == '0') 69 ret = strvisx(buf, p, l, VIS_WHITE | VIS_OCTAL); 70 else if (pi->alt) 71 ret = strvisx(buf, p, l, VIS_WHITE); 72 else 73 ret = strvisx(buf, p, l, VIS_WHITE | VIS_CSTYLE | VIS_OCTAL); 74 ret += __printf_out(io, pi, buf, ret); 75 __printf_flush(io); 76 free(buf); 77 return(ret); 78 } 79