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libc_lwip: use libc's 'get-/freeaddrinfo()'

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This patch reduces problems when connecting Arora to lighttpd via
nic_bridge. Patch by Christian Prochaska
This commit is contained in:
Norman Feske 2013-01-30 22:19:57 +01:00
parent 622959ede4
commit 62bb85255a
2 changed files with 9 additions and 58 deletions
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2
libports/lib/mk/libc_lwip.mk
View File

@ -2,4 +2,4 @@ SRC_CC = init.cc plugin.cc
vpath %.cc $(REP_DIR)/src/lib/libc_lwip
LIBS += lwip libc
LIBS += lwip libc libc-resolv libc-isc libc-nameser libc-net libc-rpc

65
libports/src/lib/libc_lwip/plugin.cc
View File

@ -331,72 +331,23 @@ int Plugin::fcntl(Libc::File_descriptor *sockfdo, int cmd, long val)
}
extern "C" void libc_freeaddrinfo(struct ::addrinfo *);
void Plugin::freeaddrinfo(struct ::addrinfo *res)
{
struct ::addrinfo *next;
while (res) {
if (res->ai_addr)
free(res->ai_addr);
if (res->ai_canonname)
free(res->ai_canonname);
next = res->ai_next;
free(res);
res = next;
}
return ::libc_freeaddrinfo(res);
}
extern "C" int libc_getaddrinfo(const char *, const char *,
const struct ::addrinfo *,
struct ::addrinfo **);
int Plugin::getaddrinfo(const char *node, const char *service,
const struct ::addrinfo *hints,
struct ::addrinfo **res)
{
struct lwip_addrinfo *lwip_res;
struct lwip_addrinfo *rp;
struct ::addrinfo *rp_new = 0;
int result;
result = lwip_getaddrinfo(node, service, (struct lwip_addrinfo*)hints, &lwip_res);
if (result == 0) {
for (rp = lwip_res; rp != 0; rp = rp->ai_next) {
if (!rp_new) {
/* first element */
rp_new = (struct ::addrinfo*)malloc(sizeof(struct ::addrinfo));
*res = rp_new;
} else {
rp_new->ai_next = (struct ::addrinfo*)malloc(sizeof(struct ::addrinfo));
rp_new = rp_new->ai_next;
}
rp_new->ai_flags = rp->ai_flags;
rp_new->ai_family = rp->ai_family;
rp_new->ai_socktype = rp->ai_socktype;
rp_new->ai_protocol = rp->ai_protocol;
rp_new->ai_addrlen = rp->ai_addrlen;
if (rp->ai_addr) {
assert(sizeof(struct sockaddr) == sizeof(struct lwip_sockaddr));
rp_new->ai_addr = (struct sockaddr*) malloc(sizeof(struct sockaddr));
::memcpy(rp_new->ai_addr, rp->ai_addr, sizeof(struct sockaddr));
} else {
rp_new->ai_addr = 0;
}
if (rp->ai_canonname) {
rp_new->ai_canonname = (char*) malloc(::strlen(rp->ai_canonname) + 1);
strcpy(rp_new->ai_canonname, rp->ai_canonname);
} else {
rp_new->ai_canonname = 0;
}
rp_new->ai_next = 0;
}
lwip_freeaddrinfo(lwip_res);
}
return result;
return ::libc_getaddrinfo(node, service, hints, res);
}