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Do not call ip_get_version() again and again

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This commit is contained in:
angt
2015-12-14 18:37:50 +01:00
parent ffa549e444
commit 78ba4c9a59
2 changed files with 15 additions and 13 deletions
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12
src/ip-static.h
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@@ -12,9 +12,9 @@ static inline int ip_get_version (const uint8_t *data, size_t size)
}
_pure_
static inline ssize_t ip_get_size (const uint8_t *data, size_t size)
static inline ssize_t ip_get_size (const int ip_version, const uint8_t *data, size_t size)
{
switch (ip_get_version(data, size)) {
switch (ip_version) {
case 4:
return ((data[2]<<8)|data[3]);
case 6:
@@ -27,9 +27,9 @@ static inline ssize_t ip_get_size (const uint8_t *data, size_t size)
}
_pure_
static inline ssize_t ip_get_proto (const uint8_t *data, size_t size)
static inline ssize_t ip_get_proto (const int ip_version, const uint8_t *data, size_t size)
{
switch (ip_get_version(data, size)) {
switch (ip_version) {
case 4:
return data[9];
case 6:
@@ -42,9 +42,9 @@ static inline ssize_t ip_get_proto (const uint8_t *data, size_t size)
}
_pure_
static inline ssize_t ip_get_hdr_size (const uint8_t *data, size_t size)
static inline ssize_t ip_get_hdr_size (const int ip_version, const uint8_t *data, size_t size)
{
switch (ip_get_version(data, size)) {
switch (ip_version) {
case 4:
return (data[0]&0xF)<<2;
case 6: