diff options
| -rw-r--r-- | slirp/ip.h | 14 |
1 files changed, 5 insertions, 9 deletions
@@ -75,10 +75,6 @@ typedef u_int32_t n_long; /* long as received from the net */ /* * Structure of an internet header, naked of options. - * - * We declare ip_len and ip_off to be short, rather than u_short - * pragmatically since otherwise unsigned comparisons can result - * against negative integers quite easily, and fail in subtle ways. */ struct ip { #ifdef WORDS_BIGENDIAN @@ -89,9 +85,9 @@ struct ip { ip_v:4; /* version */ #endif u_int8_t ip_tos; /* type of service */ - int16_t ip_len; /* total length */ + u_int16_t ip_len; /* total length */ u_int16_t ip_id; /* identification */ - int16_t ip_off; /* fragment offset field */ + u_int16_t ip_off; /* fragment offset field */ #define IP_DF 0x4000 /* don't fragment flag */ #define IP_MF 0x2000 /* more fragments flag */ #define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ @@ -212,7 +208,7 @@ struct ipovly { caddr32_t ih_next, ih_prev; /* for protocol sequence q's */ u_int8_t ih_x1; /* (unused) */ u_int8_t ih_pr; /* protocol */ - int16_t ih_len; /* protocol length */ + u_int16_t ih_len; /* protocol length */ struct in_addr ih_src; /* source internet address */ struct in_addr ih_dst; /* destination internet address */ }; @@ -253,9 +249,9 @@ struct ipasfrag { u_int8_t ipf_mff; /* XXX overlays ip_tos: use low bit * to avoid destroying tos (PPPDTRuu); * copied from (ip_off&IP_MF) */ - int16_t ip_len; + u_int16_t ip_len; u_int16_t ip_id; - int16_t ip_off; + u_int16_t ip_off; u_int8_t ip_ttl; u_int8_t ip_p; u_int16_t ip_sum; |