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 * $FreeBSD$ 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 38 int 39 kiconv_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 } 61 return (ENOENT); 62 } 63 64 int 65 kiconv_lookupcs(const char *tocode, const char *fromcode) 66 { 67 size_t i, size; 68 struct iconv_cspair_info *csi, *csip; 69 70 if (sysctlbyname("kern.iconv.cslist", NULL, &size, NULL, 0) == -1) 71 return (errno); 72 if (size > 0) { 73 csi = malloc(size); 74 if (csi == NULL) 75 return (ENOMEM); 76 if (sysctlbyname("kern.iconv.cslist", csi, &size, NULL, 0) == -1) { 77 free(csi); 78 return (errno); 79 } 80 for (i = 0, csip = csi; i < (size/sizeof(*csi)); i++, csip++){ 81 if (strcmp(csip->cs_to, tocode) == 0 && 82 strcmp(csip->cs_from, fromcode) == 0) { 83 free(csi); 84 return (0); 85 } 86 } 87 } 88 return (ENOENT); 89 } 90