diff options
Diffstat (limited to 'lib/libkiconv/kiconv_sysctl.c')
-rw-r--r-- | lib/libkiconv/kiconv_sysctl.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/libkiconv/kiconv_sysctl.c b/lib/libkiconv/kiconv_sysctl.c new file mode 100644 index 0000000..0030f4d --- /dev/null +++ b/lib/libkiconv/kiconv_sysctl.c @@ -0,0 +1,93 @@ +/*- + * Copyright (c) 2005 Ryuichiro Imura + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/iconv.h> +#include <sys/sysctl.h> + +#include <ctype.h> +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +int +kiconv_lookupconv(const char *drvname) +{ + size_t size; + int error; + + if (sysctlbyname("kern.iconv.drvlist", NULL, &size, NULL, 0) == -1) + return (errno); + if (size > 0) { + char *drivers, *drvp; + + drivers = malloc(size); + if (drivers == NULL) + return (ENOMEM); + if (sysctlbyname("kern.iconv.drvlist", drivers, &size, NULL, 0) == -1) { + error = errno; + free(drivers); + return (errno); + } + for (drvp = drivers; *drvp != '\0'; drvp += strlen(drvp) + 1) + if (strcmp(drvp, drvname) == 0) { + free(drivers); + return (0); + } + } + return (ENOENT); +} + +int +kiconv_lookupcs(const char *tocode, const char *fromcode) +{ + size_t i, size; + struct iconv_cspair_info *csi, *csip; + int error; + + if (sysctlbyname("kern.iconv.cslist", NULL, &size, NULL, 0) == -1) + return (errno); + if (size > 0) { + csi = malloc(size); + if (csi == NULL) + return (ENOMEM); + if (sysctlbyname("kern.iconv.cslist", csi, &size, NULL, 0) == -1) { + error = errno; + free(csi); + return (error); + } + for (i = 0, csip = csi; i < (size/sizeof(*csi)); i++, csip++){ + if (strcmp(csip->cs_to, tocode) == 0 && + strcmp(csip->cs_from, fromcode) == 0) { + free(csi); + return (0); + } + } + } + return (ENOENT); +} |