actube/src/cw/bstr16_create_from_str.c
7u83@mail.ru f4ebe841a5 renamed capwap directory to cw.
FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223
2016-03-03 19:46:20 +00:00

31 lines
546 B
C

#include "bstr.h"
#include "format.h"
uint8_t * bstr16_create_from_str(const char *s)
{
int l = strlen(s);
if (s[0]!='.')
return bstr16_create((uint8_t*)s,l);
if (l<=2)
return bstr16_create((uint8_t*)s,l);
if (s[1]=='.')
return bstr16_create((uint8_t*)s+1,l-1);
if (s[1]!='x')
return bstr16_create((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(2+msize);
*((uint16_t*)mem)=msize;
cw_format_scan_hex_bytes(mem+2,s+2,l);
return mem;
}