actube/src/cw/cw_type_bwstr.c

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C
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/*
This file is part of libcapwap.
libcapwap is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
libcapwap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include "format.h"
#include "cw.h"
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#include "val.h"
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/*typedef uint16_t* bwstr_type;*/
static uint16_t * bwstr_create(const uint8_t *data, uint16_t len)
{
uint16_t * str = malloc(2+len*sizeof(uint16_t));
if (!str)
return 0;
*((uint16_t*)str)=len;
memcpy(str+2,data,len*2);
return str;
}
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static void del ( struct cw_Val * data )
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{
free ( data->val.ptr );
}
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static struct cw_Val *get ( struct cw_Val * data, const uint8_t * src, int len )
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{
uint16_t * s;
s = bwstr_create ( src, len );
if ( !s )
return NULL;
data->type = &cw_type_bwstr;
data->val.ptr = s;
return data;
}
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static int put ( const struct cw_Val *data, uint8_t * dst )
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{
uint16_t len;
len = bstr16_len(data->val.ptr);
return lw_put_data ( dst, data->val.ptr+2,len*2 );
}
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static int to_str ( const struct cw_Val *data, char *dst, int max_len )
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{
char *d;
uint16_t *s;
const char * komma="";
uint16_t i;
s = (uint16_t*)data->val.ptr;
d = dst;
for (i=0;i<s[0];i++){
d += sprintf( d, "%s%d",komma,s[i+1]);
komma=",";
}
return d - dst;
}
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static struct cw_Val *from_str ( struct cw_Val * data, const char *src )
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{
uint8_t * s;
s = bstr16_create_from_str(src);
if ( !s )
return NULL;
data->type = &cw_type_bstr16;
data->val.ptr = s;
return data;
}
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static int len (cw_Val_t * data ){
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return bstr16_len(data->val.ptr);
}
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static void * data(cw_Val_t * data)
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{
return bstr16_data(data->val.ptr);
}
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static const char * get_type_name(cw_Val_t *data)
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{
return CW_TYPE_BSTR16->name;
}
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static int cast(cw_Val_t * data)
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{
if (strcmp(data->type->name,CW_TYPE_BSTR16->name)==0)
return 1;
if (strcmp(data->type->name,CW_TYPE_STR->name)==0){
char *src = data->val.ptr;
CW_TYPE_BSTR16->from_str(data,src);
free(src);
return 1;
}
return 0;
}
const struct cw_Type cw_type_bwstr = {
"Bwstr", /* name */
del, /* del */
put, /* put */
get, /* get */
to_str, /* to_str */
from_str, /* from_str */
len, /* len */
data, /* data */
get_type_name, /* get_type_name */
cast /* cast */
};