1154815Sphk/*- 2154815Sphk * Copyright (c) 2005 Poul-Henning Kamp 3154815Sphk * All rights reserved. 4154815Sphk * 5154815Sphk * Redistribution and use in source and binary forms, with or without 6154815Sphk * modification, are permitted provided that the following conditions 7154815Sphk * are met: 8154815Sphk * 1. Redistributions of source code must retain the above copyright 9154815Sphk * notice, this list of conditions and the following disclaimer. 10154815Sphk * 2. Redistributions in binary form must reproduce the above copyright 11154815Sphk * notice, this list of conditions and the following disclaimer in the 12154815Sphk * documentation and/or other materials provided with the distribution. 13154815Sphk * 14154815Sphk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15154815Sphk * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16154815Sphk * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17154815Sphk * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18154815Sphk * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19154815Sphk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20154815Sphk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21154815Sphk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22154815Sphk * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23154815Sphk * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24154815Sphk * SUCH DAMAGE. 25154815Sphk * 26154815Sphk * $FreeBSD$ 27154815Sphk */ 28154815Sphk 29154815Sphk#include <namespace.h> 30154815Sphk#include <stdio.h> 31154815Sphk#include <string.h> 32154815Sphk#include <stdlib.h> 33154815Sphk#include <ctype.h> 34154815Sphk#include <wchar.h> 35154815Sphk#include <vis.h> 36154815Sphk#include <assert.h> 37154815Sphk#include <sys/time.h> 38154815Sphk#include "printf.h" 39154815Sphk 40154815Sphkint 41154815Sphk__printf_arginfo_quote(const struct printf_info *pi __unused, size_t n, int *argt) 42154815Sphk{ 43154815Sphk 44154815Sphk assert(n >= 1); 45154815Sphk argt[0] = PA_POINTER; 46154815Sphk return (1); 47154815Sphk} 48154815Sphk 49154815Sphkint 50154815Sphk__printf_render_quote(struct __printf_io *io, const struct printf_info *pi __unused, const void *const *arg) 51154815Sphk{ 52154815Sphk const char *str, *p, *t, *o; 53156207Sphk char r[5]; 54154815Sphk int i, ret; 55154815Sphk 56154815Sphk str = *((const char *const *)arg[0]); 57154815Sphk if (str == NULL) 58154815Sphk return (__printf_out(io, pi, "\"(null)\"", 8)); 59154815Sphk if (*str == '\0') 60156207Sphk return (__printf_out(io, pi, "\"\"", 2)); 61156207Sphk 62156207Sphk for (i = 0, p = str; *p; p++) 63156207Sphk if (isspace(*p) || *p == '\\' || *p == '"') 64156207Sphk i++; 65154815Sphk if (!i) 66154815Sphk return (__printf_out(io, pi, str, strlen(str))); 67154815Sphk 68154815Sphk ret = __printf_out(io, pi, "\"", 1); 69156207Sphk for (t = p = str; *p; p++) { 70154815Sphk o = NULL; 71154815Sphk if (*p == '\\') 72154815Sphk o = "\\\\"; 73154815Sphk else if (*p == '\n') 74154815Sphk o = "\\n"; 75154815Sphk else if (*p == '\r') 76154815Sphk o = "\\r"; 77154815Sphk else if (*p == '\t') 78154815Sphk o = "\\t"; 79154815Sphk else if (*p == ' ') 80154815Sphk o = " "; 81154815Sphk else if (*p == '"') 82154815Sphk o = "\\\""; 83154815Sphk else if (isspace(*p)) { 84154815Sphk sprintf(r, "\\%03o", *p); 85154815Sphk o = r; 86154815Sphk } else 87154815Sphk continue; 88156207Sphk if (p != t) 89154815Sphk ret += __printf_out(io, pi, t, p - t); 90154815Sphk ret += __printf_out(io, pi, o, strlen(o)); 91156207Sphk t = p + 1; 92154815Sphk } 93154815Sphk if (p != t) 94154815Sphk ret += __printf_out(io, pi, t, p - t); 95154815Sphk ret += __printf_out(io, pi, "\"", 1); 96154815Sphk __printf_flush(io); 97154815Sphk return(ret); 98154815Sphk} 99