-rw-r--r-- | src/eyetil.cc | 10 |
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(); } |