iconv.c

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    1 /*      $NetBSD: iconv.c,v 1.7 2003/05/16 05:14:40 itojun Exp $ */
    2 
    3 /* Public domain */
    4 
    5 #include <sys/cdefs.h>
    6 __KERNEL_RCSID(0, "$NetBSD: iconv.c,v 1.7 2003/05/16 05:14:40 itojun Exp $");
    7 
    8 #include <sys/param.h>
    9 #include <sys/kernel.h>
   10 #include <sys/systm.h>
   11 #include <sys/errno.h>
   12 #include <sys/malloc.h>
   13 
   14 #include <netsmb/iconv.h>
   15 
   16 int
   17 iconv_open(const char *to, const char *from, void **handle)
   18 {
   19         return 0;
   20 }
   21 
   22 int
   23 iconv_close(void *handle)
   24 {
   25         return 0;
   26 }
   27 
   28 int
   29 iconv_conv(void *handle, const char **inbuf,
   30         size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
   31 {
   32         if (*inbytesleft > *outbytesleft)
   33                 return(E2BIG);
   34 
   35         if (inbuf == NULL)
   36                 return(0); /* initial shift state */
   37 
   38         memcpy((void *)*inbuf, (void *)*outbuf, *inbytesleft);
   39 
   40         *outbytesleft -= *inbytesleft;
   41 
   42         *inbuf += *inbytesleft;
   43         *outbuf += *inbytesleft;
   44 
   45         *inbytesleft = 0;
   46 
   47         return 0;
   48 }
   49 
   50 char *
   51 iconv_convstr(void *handle, char *dst, const char *src)
   52 {
   53         char *p = dst;
   54         size_t inlen, outlen;
   55         int error;
   56 
   57         if (handle == NULL) {
   58                 strcpy(dst, src);       /*XXX need to know dstlen */
   59                 return dst;
   60         }
   61         inlen = outlen = strlen(src);
   62         error = iconv_conv(handle, NULL, NULL, &p, &outlen);
   63         if (error)
   64                 return NULL;
   65         error = iconv_conv(handle, &src, &inlen, &p, &outlen);
   66         if (error)
   67                 return NULL;
   68         *p = 0;
   69         return dst;
   70 }
   71 
   72 void *
   73 iconv_convmem(void *handle, void *dst, const void *src, int size)
   74 {
   75         const char *s = src;
   76         char *d = dst;
   77         size_t inlen, outlen;
   78         int error;
   79 
   80         if (size == 0)
   81                 return dst;
   82         if (handle == NULL) {
   83                 memcpy(dst, src, size);
   84                 return dst;
   85         }
   86         inlen = outlen = size;
   87         error = iconv_conv(handle, NULL, NULL, &d, &outlen);
   88         if (error)
   89                 return NULL;
   90         error = iconv_conv(handle, &s, &inlen, &d, &outlen);
   91         if (error)
   92                 return NULL;
   93         return dst;
   94 }
   95 
   96 int
   97 iconv_lookupcp(const char **cpp, const char *s)
   98 {
   99         for (; *cpp; cpp++)
  100                 if (strcmp(*cpp, s) == 0)
  101                         return 0;
  102         return ENOENT;
  103 }

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FreeBSD/Linux Kernel Cross Reference sys/netsmb/iconv.c

FreeBSD/Linux Kernel Cross Reference
sys/netsmb/iconv.c