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authorMax Kellermann <max@duempel.org>2008-10-15 07:30:24 +0200
committerMax Kellermann <max@duempel.org>2008-10-15 07:30:24 +0200
commit62ee7028772efded41eea20d49dade2eff759e57 (patch)
tree065caa8ea8443015b37de94801a50d66b3024382
parentba594cfec0408c9103ca12f004c69eeba32f700a (diff)
downloadmpd-62ee7028772efded41eea20d49dade2eff759e57.tar.gz
mpd-62ee7028772efded41eea20d49dade2eff759e57.tar.xz
mpd-62ee7028772efded41eea20d49dade2eff759e57.zip
listen: pass protocol family to establishListen()
The caller already knows the protocol family, and we can eliminate the complicated switch statement in establishListen() if we just pass this information. This seems more robust.
Diffstat (limited to '')
-rw-r--r--src/listen.c35
1 files changed, 8 insertions, 27 deletions
diff --git a/src/listen.c b/src/listen.c
index 70f2e962c..063540428 100644
--- a/src/listen.c
+++ b/src/listen.c
@@ -69,32 +69,12 @@ static void redirect_stdin(void)
FATAL("dup2 stdin: %s\n", strerror(errno));
}
-static int establishListen(const struct sockaddr *addrp, socklen_t addrlen)
+static int establishListen(int pf, const struct sockaddr *addrp,
+ socklen_t addrlen)
{
- int pf;
int sock;
int allowReuse = ALLOW_REUSE;
- switch (addrp->sa_family) {
-#ifdef HAVE_TCP
- case AF_INET:
- pf = PF_INET;
- break;
-#ifdef HAVE_IPV6
- case AF_INET6:
- pf = PF_INET6;
- break;
-#endif
-#endif /* HAVE_TCP */
-#ifdef HAVE_UN
- case AF_UNIX:
- pf = PF_UNIX;
- break;
-#endif /* HAVE_UN */
- default:
- FATAL("unknown address family: %i\n", addrp->sa_family);
- }
-
if ((sock = socket(pf, SOCK_STREAM, 0)) < 0)
FATAL("socket < 0\n");
@@ -152,7 +132,7 @@ static void parseListenConfigParam(unsigned int port, ConfigParam * param)
sin6.sin6_addr = in6addr_any;
addrp = (const struct sockaddr *)&sin6;
addrlen = sizeof(struct sockaddr_in6);
- if (establishListen(addrp, addrlen) < 0)
+ if (establishListen(PF_INET6, addrp, addrlen) < 0)
BINDERROR();
}
#endif
@@ -160,9 +140,9 @@ static void parseListenConfigParam(unsigned int port, ConfigParam * param)
addrp = (const struct sockaddr *)&sin4;
addrlen = sizeof(struct sockaddr_in);
#ifdef HAVE_IPV6
- if ((establishListen(addrp, addrlen) < 0) && !useIpv6) {
+ if ((establishListen(PF_INET, addrp, addrlen) < 0) && !useIpv6) {
#else
- if (establishListen(addrp, addrlen) < 0) {
+ if (establishListen(PF_INET, addrp, addrlen) < 0) {
#endif
BINDERROR();
}
@@ -186,7 +166,7 @@ static void parseListenConfigParam(unsigned int port, ConfigParam * param)
addrp = (const struct sockaddr *)&sun;
addrlen = sizeof(sun);
- if (establishListen(addrp, addrlen) < 0)
+ if (establishListen(PF_UNIX, addrp, addrlen) < 0)
FATAL("unable to bind to %s: %s\n",
param->value, strerror(errno));
#endif /* HAVE_UN */
@@ -212,7 +192,8 @@ static void parseListenConfigParam(unsigned int port, ConfigParam * param)
param->value, param->line, gai_strerror(ret));
for (i = ai; i != NULL; i = i->ai_next)
- if (establishListen(i->ai_addr, i->ai_addrlen) < 0)
+ if (establishListen(i->ai_family, i->ai_addr,
+ i->ai_addrlen) < 0)
BINDERROR();
freeaddrinfo(ai);