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Init vendorstr from string.

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FossilOrigin-Name: 7d0839bd15278e7c04d3ff632ff772bc9107c6a809699f03ce1dde7823b2261e
This commit is contained in:
7u83@mail.ru
2015-05-04 05:52:04 +00:00
parent 9002dd8299
commit c3d9cf1553
1 changed files with 37 additions and 0 deletions
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37
src/capwap/vendorstr_create_from_str.c Normal file
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#include "bstr.h"
#include "format.h"
uint8_t * vendorstr_create_from_str(uint32_t vendor_id,const char *s)
{
int l = strlen(s);
if (s[0]!='.')
return vendorstr_create(vendor_id,(uint8_t*)s,l);
if (l<=2)
return vendorstr_create(vendor_id,(uint8_t*)s,l);
if (s[1]=='.')
return vendorstr_create(vendor_id,(uint8_t*)s+1,l-1);
if (s[1]!='x')
return vendorstr_create(vendor_id,(uint8_t*)s,l);
/* the string starts with ".x" - read hexbytes */
l-=2;
int msize=l/2;
if(l&1)
msize++;
uint8_t * mem = malloc(vendorstr_size(msize));
if(!mem)
return NULL;
vendorstr_set_vendor_id(mem,vendor_id);
vendorstr_set_len(mem,msize);
cw_format_scan_hex_bytes(vendorstr_data(mem),s+2,l);
return mem;
}