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-rw-r--r--src/eyetil.cc10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/eyetil.cc b/src/eyetil.cc
index 2e6ab7e..11e2fb7 100644
--- a/src/eyetil.cc
+++ b/src/eyetil.cc
@@ -9,32 +9,32 @@
#include <openssl/md5.h>
#include "eyetil.h"
#include "config.h"
#ifdef HAVE_LIBUUID
# include <uuid/uuid.h>
#endif
binary_t& binary_t::from_hex(const std::string& h) {
std::string::size_type hs = h.length();
if(hs&1)
throw std::runtime_error("odd number of characters in hexadecimal number");
- int rvs = hs>>1;
+ size_t rvs = hs>>1;
resize(rvs);
const unsigned char *hp = (const unsigned char*)h.data();
iterator oi=begin();
char t[3] = { 0,0,0 };
- for(int i=0;i<rvs;++i) {
+ for(size_t i=0;i<rvs;++i) {
t[0]=*(hp++); t[1]=*(hp++);
- *(oi++) = strtol(t,0,16);
+ *(oi++) = static_cast<binary_t::value_type>(0xff&strtol(t,0,16));
}
return *this;
}
binary_t& binary_t::from_data(const void *d,size_t s) {
resize(s);
std::copy((const unsigned char*)d,(const unsigned char *)d+s,
begin() );
return *this;
}
binary_t& binary_t::make_nonce() {
@@ -45,25 +45,25 @@ binary_t& binary_t::make_nonce() {
#else
resize(16);
std::generate_n(begin(),16,rand);
#endif /* HAVE_LIBUUID */
return *this;
}
std::string binary_t::hex() const {
std::string rv;
rv.reserve((size()<<1)+1);
char t[3] = {0,0,0};
for(const_iterator i=begin(),ie=end();i!=ie;++i) {
- int rc = snprintf(t,sizeof(t),"%02x",*i);
+ size_t rc = snprintf(t,sizeof(t),"%02x",*i);
assert(rc<sizeof(t));
rv += t;
}
return rv;
}
binary_t binary_t::md5() const {
binary_t rv(MD5_DIGEST_LENGTH);
if(!MD5(
(const unsigned char*)&(front()),size(),
(unsigned char*)&(rv.front()) ))
throw std::runtime_error("failed to md5()");
@@ -149,25 +149,25 @@ bool tarchive_t::read_data_into_fd(int fd) {
assert(a);
return archive_read_data_into_fd(a,fd)==ARCHIVE_OK;
}
#pragma pack(1)
struct block512_t {
enum { words = 512 / sizeof(uint16_t) };
uint16_t data[words];
static uint16_t tcpcksum(block512_t& data) {
uint32_t sum = std::accumulate(data.data,data.data+words,0);
while(uint32_t hw = sum>>16) sum = (sum&0xffff)+hw;
- return ~sum;
+ return 0xffff&~sum;
}
};
#pragma pack()
binary_t integrity_digest(const void *ptr,size_t size,const std::string& ukey) {
md5_digester rv;
std::transform( (block512_t*)ptr, ((block512_t*)ptr)+size/sizeof(block512_t),
rv.updater<uint16_t>(), block512_t::tcpcksum );
rv.update( binary_t(ukey) );
return rv.final();
}