1/*- 2 * Copyright (c) 2005 Ryuichiro Imura 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: stable/11/lib/libkiconv/kiconv_sysctl.c 369668 2021-04-28 00:13:26Z emaste $ 27 */ 28 29#include <sys/types.h> 30#include <sys/iconv.h> 31#include <sys/sysctl.h> 32 33#include <ctype.h> 34#include <errno.h> 35#include <stdlib.h> 36#include <string.h> 37 38int 39kiconv_lookupconv(const char *drvname) 40{ 41 size_t size; 42 43 if (sysctlbyname("kern.iconv.drvlist", NULL, &size, NULL, 0) == -1) 44 return (errno); 45 if (size > 0) { 46 char *drivers, *drvp; 47 48 drivers = malloc(size); 49 if (drivers == NULL) 50 return (ENOMEM); 51 if (sysctlbyname("kern.iconv.drvlist", drivers, &size, NULL, 0) == -1) { 52 free(drivers); 53 return (errno); 54 } 55 for (drvp = drivers; *drvp != '\0'; drvp += strlen(drvp) + 1) 56 if (strcmp(drvp, drvname) == 0) { 57 free(drivers); 58 return (0); 59 } 60 free(drivers); 61 } 62 return (ENOENT); 63} 64 65int 66kiconv_lookupcs(const char *tocode, const char *fromcode) 67{ 68 size_t i, size; 69 struct iconv_cspair_info *csi, *csip; 70 71 if (sysctlbyname("kern.iconv.cslist", NULL, &size, NULL, 0) == -1) 72 return (errno); 73 if (size > 0) { 74 csi = malloc(size); 75 if (csi == NULL) 76 return (ENOMEM); 77 if (sysctlbyname("kern.iconv.cslist", csi, &size, NULL, 0) == -1) { 78 free(csi); 79 return (errno); 80 } 81 for (i = 0, csip = csi; i < (size/sizeof(*csi)); i++, csip++){ 82 if (strcmp(csip->cs_to, tocode) == 0 && 83 strcmp(csip->cs_from, fromcode) == 0) { 84 free(csi); 85 return (0); 86 } 87 } 88 free(csi); 89 } 90 return (ENOENT); 91} 92