Current Path : /sys/libkern/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/libkern/iconv_xlat.c |
/*- * Copyright (c) 2000-2001 Boris Popov * 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/libkern/iconv_xlat.c 206361 2010-04-07 16:50:38Z joel $"); #include <sys/param.h> #include <sys/kernel.h> #include <sys/systm.h> #include <sys/malloc.h> #include <sys/iconv.h> #include "iconv_converter_if.h" /* * "XLAT" converter */ #ifdef MODULE_DEPEND MODULE_DEPEND(iconv_xlat, libiconv, 2, 2, 2); #endif /* * XLAT converter instance */ struct iconv_xlat { KOBJ_FIELDS; u_char * d_table; struct iconv_cspair * d_csp; }; static int iconv_xlat_open(struct iconv_converter_class *dcp, struct iconv_cspair *csp, struct iconv_cspair *cspf, void **dpp) { struct iconv_xlat *dp; dp = (struct iconv_xlat *)kobj_create((struct kobj_class*)dcp, M_ICONV, M_WAITOK); dp->d_table = csp->cp_data; dp->d_csp = csp; csp->cp_refcount++; *dpp = (void*)dp; return 0; } static int iconv_xlat_close(void *data) { struct iconv_xlat *dp = data; dp->d_csp->cp_refcount--; kobj_delete((struct kobj*)data, M_ICONV); return 0; } static int iconv_xlat_conv(void *d2p, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int convchar, int casetype) { struct iconv_xlat *dp = (struct iconv_xlat*)d2p; const char *src; char *dst; int n, r; if (inbuf == NULL || *inbuf == NULL || outbuf == NULL || *outbuf == NULL) return 0; if (casetype != 0) return -1; if (convchar == 1) r = n = 1; else r = n = min(*inbytesleft, *outbytesleft); src = *inbuf; dst = *outbuf; while(r--) *dst++ = dp->d_table[(u_char)*src++]; *inbuf += n; *outbuf += n; *inbytesleft -= n; *outbytesleft -= n; return 0; } static const char * iconv_xlat_name(struct iconv_converter_class *dcp) { return "xlat"; } static kobj_method_t iconv_xlat_methods[] = { KOBJMETHOD(iconv_converter_open, iconv_xlat_open), KOBJMETHOD(iconv_converter_close, iconv_xlat_close), KOBJMETHOD(iconv_converter_conv, iconv_xlat_conv), #if 0 KOBJMETHOD(iconv_converter_init, iconv_xlat_init), KOBJMETHOD(iconv_converter_done, iconv_xlat_done), #endif KOBJMETHOD(iconv_converter_name, iconv_xlat_name), {0, 0} }; KICONV_CONVERTER(xlat, sizeof(struct iconv_xlat));