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3cfd08c1c7
Found in "Understanding and Detecting Disordered Error Handling with Precise Function Pairing" by Qiushi Wu et al. Reviewed by: imp, jhb MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D29896
94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2005 Ryuichiro Imura
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/iconv.h>
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#include <sys/sysctl.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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int
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kiconv_lookupconv(const char *drvname)
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{
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size_t size;
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if (sysctlbyname("kern.iconv.drvlist", NULL, &size, NULL, 0) == -1)
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return (errno);
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if (size > 0) {
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char *drivers, *drvp;
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drivers = malloc(size);
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if (drivers == NULL)
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return (ENOMEM);
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if (sysctlbyname("kern.iconv.drvlist", drivers, &size, NULL, 0) == -1) {
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free(drivers);
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return (errno);
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}
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for (drvp = drivers; *drvp != '\0'; drvp += strlen(drvp) + 1)
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if (strcmp(drvp, drvname) == 0) {
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free(drivers);
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return (0);
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}
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free(drivers);
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}
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return (ENOENT);
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}
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int
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kiconv_lookupcs(const char *tocode, const char *fromcode)
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{
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size_t i, size;
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struct iconv_cspair_info *csi, *csip;
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if (sysctlbyname("kern.iconv.cslist", NULL, &size, NULL, 0) == -1)
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return (errno);
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if (size > 0) {
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csi = malloc(size);
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if (csi == NULL)
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return (ENOMEM);
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if (sysctlbyname("kern.iconv.cslist", csi, &size, NULL, 0) == -1) {
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free(csi);
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return (errno);
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}
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for (i = 0, csip = csi; i < (size/sizeof(*csi)); i++, csip++){
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if (strcmp(csip->cs_to, tocode) == 0 &&
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strcmp(csip->cs_from, fromcode) == 0) {
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free(csi);
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return (0);
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}
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}
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free(csi);
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}
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return (ENOENT);
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}
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