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slirp: Fix bit field types in IP header structs

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-mms-bitfields prevents that the bitfields in current IP header structs
are packed into a single byte as it is required. Fix this by using
uint8_t as backing type.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
This commit is contained in:
Jan Kiszka 2011-08-06 14:23:29 +02:00
parent 3b6ffe5030
commit 1b930bfa09
2 changed files with 6 additions and 6 deletions
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8
slirp/ip.h
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@ -74,10 +74,10 @@ typedef uint32_t n_long; /* long as received from the net */
*/
struct ip {
#ifdef HOST_WORDS_BIGENDIAN
u_int ip_v:4, /* version */
uint8_t ip_v:4, /* version */
ip_hl:4; /* header length */
#else
u_int ip_hl:4, /* header length */
uint8_t ip_hl:4, /* header length */
ip_v:4; /* version */
#endif
uint8_t ip_tos; /* type of service */
@ -140,10 +140,10 @@ struct ip_timestamp {
uint8_t ipt_len; /* size of structure (variable) */
uint8_t ipt_ptr; /* index of current entry */
#ifdef HOST_WORDS_BIGENDIAN
u_int ipt_oflw:4, /* overflow counter */
uint8_t ipt_oflw:4, /* overflow counter */
ipt_flg:4; /* flags, see below */
#else
u_int ipt_flg:4, /* flags, see below */
uint8_t ipt_flg:4, /* flags, see below */
ipt_oflw:4; /* overflow counter */
#endif
union ipt_timestamp {

4
slirp/tcp.h
View file

@ -51,10 +51,10 @@ struct tcphdr {
tcp_seq th_seq; /* sequence number */
tcp_seq th_ack; /* acknowledgement number */
#ifdef HOST_WORDS_BIGENDIAN
u_int th_off:4, /* data offset */
uint8_t th_off:4, /* data offset */
th_x2:4; /* (unused) */
#else
u_int th_x2:4, /* (unused) */
uint8_t th_x2:4, /* (unused) */
th_off:4; /* data offset */
#endif
uint8_t th_flags;