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socket/option.c: helper functions 

* ext/socket/option.c (sockopt_pack_byte, sockopt_pack_int):
  extract helper functions to pack integers in a String.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44658 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-01-19 14:56:05 +00:00
Родитель 5c179cd66c
Коммит 5ecbe189af
1 изменённых файлов: 26 добавлений и 12 удалений
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38
ext/socket/option.c
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@ -2,6 +2,22 @@
VALUE rb_cSockOpt;
#define pack_var(v) rb_str_new((const char *)&(v), sizeof(v))
static VALUE
sockopt_pack_byte(VALUE value)
{
char i = NUM2CHR(rb_to_int(value));
return pack_var(i);
}
static VALUE
sockopt_pack_int(VALUE value)
{
int i = NUM2INT(rb_to_int(value));
return pack_var(i);
}
static VALUE
constant_to_sym(int constant, ID (*intern_const)(int))
{
@ -157,8 +173,7 @@ sockopt_s_byte(VALUE klass, VALUE vfamily, VALUE vlevel, VALUE voptname, VALUE v
int family = rsock_family_arg(vfamily);
int level = rsock_level_arg(family, vlevel);
int optname = rsock_optname_arg(family, level, voptname);
unsigned char i = (unsigned char)NUM2CHR(vint);
return rsock_sockopt_new(family, level, optname, rb_str_new((char*)&i, sizeof(i)));
return rsock_sockopt_new(family, level, optname, sockopt_pack_byte(vint));
}
/*
@ -199,8 +214,7 @@ sockopt_s_int(VALUE klass, VALUE vfamily, VALUE vlevel, VALUE voptname, VALUE vi
int family = rsock_family_arg(vfamily);
int level = rsock_level_arg(family, vlevel);
int optname = rsock_optname_arg(family, level, voptname);
int i = NUM2INT(vint);
return rsock_sockopt_new(family, level, optname, rb_str_new((char*)&i, sizeof(i)));
return rsock_sockopt_new(family, level, optname, sockopt_pack_int(vint));
}
/*
@ -248,7 +262,7 @@ sockopt_s_bool(VALUE klass, VALUE vfamily, VALUE vlevel, VALUE voptname, VALUE v
int level = rsock_level_arg(family, vlevel);
int optname = rsock_optname_arg(family, level, voptname);
int i = RTEST(vbool) ? 1 : 0;
return rsock_sockopt_new(family, level, optname, rb_str_new((char*)&i, sizeof(i)));
return rsock_sockopt_new(family, level, optname, pack_var(i));
}
/*
@ -298,7 +312,7 @@ sockopt_s_linger(VALUE klass, VALUE vonoff, VALUE vsecs)
else
l.l_onoff = RTEST(vonoff) ? 1 : 0;
l.l_linger = NUM2INT(vsecs);
return rsock_sockopt_new(AF_UNSPEC, SOL_SOCKET, SO_LINGER, rb_str_new((char*)&l, sizeof(l)));
return rsock_sockopt_new(AF_UNSPEC, SOL_SOCKET, SO_LINGER, pack_var(l));
}
/*
@ -354,12 +368,12 @@ sockopt_s_ipv4_multicast_loop(VALUE klass, VALUE value)
{
#if defined(IPPROTO_IP) && defined(IP_MULTICAST_LOOP)
# if defined(__NetBSD__) || defined(__OpenBSD__)
unsigned char i = NUM2CHR(rb_to_int(value));
VALUE o = sockopt_pack_byte(value);
# else
int i = NUM2INT(rb_to_int(value));
VALUE o = sockopt_pack_int(value);
# endif
return rsock_sockopt_new(AF_INET, IPPROTO_IP, IP_MULTICAST_LOOP,
rb_str_new((char*)&i, sizeof(i)));
o);
#else
# error IPPROTO_IP or IP_MULTICAST_LOOP is not implemented
#endif
@ -417,12 +431,12 @@ sockopt_s_ipv4_multicast_ttl(VALUE klass, VALUE value)
{
#if defined(IPPROTO_IP) && defined(IP_MULTICAST_TTL)
# if defined(__NetBSD__) || defined(__OpenBSD__)
unsigned char i = NUM2CHR(rb_to_int(value));
VALUE o = sockopt_pack_byte(value);
# else
int i = NUM2INT(rb_to_int(value));
VALUE o = sockopt_pack_int(value);
# endif
return rsock_sockopt_new(AF_INET, IPPROTO_IP, IP_MULTICAST_TTL,
rb_str_new((char*)&i, sizeof(i)));
o);
#else
# error IPPROTO_IP or IP_MULTICAST_TTL is not implemented
#endif