104 lines
1.8 KiB
C
104 lines
1.8 KiB
C
/* $NetBSD: iconv.c,v 1.10 2005/12/11 12:25:16 christos Exp $ */
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/* Public domain */
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: iconv.c,v 1.10 2005/12/11 12:25:16 christos Exp $");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/malloc.h>
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#include <netsmb/iconv.h>
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int
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iconv_open(const char *to, const char *from, void **handle)
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{
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return 0;
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}
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int
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iconv_close(void *handle)
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{
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return 0;
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}
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int
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iconv_conv(void *handle, const char **inbuf,
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size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
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{
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if (*inbytesleft > *outbytesleft)
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return(E2BIG);
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if (inbuf == NULL)
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return(0); /* initial shift state */
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(void)memcpy(*outbuf, *inbuf, *inbytesleft);
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*outbytesleft -= *inbytesleft;
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*inbuf += *inbytesleft;
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*outbuf += *inbytesleft;
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*inbytesleft = 0;
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return 0;
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}
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char *
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iconv_convstr(void *handle, char *dst, const char *src, size_t l)
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{
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char *p = dst;
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size_t inlen, outlen;
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int error;
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if (handle == NULL) {
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strlcpy(dst, src, l);
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return dst;
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}
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inlen = outlen = strlen(src);
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error = iconv_conv(handle, NULL, NULL, &p, &outlen);
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if (error)
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return NULL;
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error = iconv_conv(handle, &src, &inlen, &p, &outlen);
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if (error)
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return NULL;
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*p = 0;
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return dst;
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}
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void *
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iconv_convmem(void *handle, void *dst, const void *src, int size)
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{
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const char *s = src;
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char *d = dst;
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size_t inlen, outlen;
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int error;
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if (size == 0)
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return dst;
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if (handle == NULL) {
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memcpy(dst, src, size);
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return dst;
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}
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inlen = outlen = size;
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error = iconv_conv(handle, NULL, NULL, &d, &outlen);
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if (error)
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return NULL;
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error = iconv_conv(handle, &s, &inlen, &d, &outlen);
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if (error)
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return NULL;
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return dst;
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}
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int
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iconv_lookupcp(const char **cpp, const char *s)
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{
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for (; *cpp; cpp++)
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if (strcmp(*cpp, s) == 0)
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return 0;
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return ENOENT;
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}
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