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udp: Properly print error from getnameinfo

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getnameinfo doesn't set errno on failure, it returns an error code,
which should be handled by gai_strerror instead of the normal
strerror.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-06-19 15:28:48 +03:00
parent 6aa4e88106
commit 860b40f1f2
1 changed files with 3 additions and 2 deletions
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5
libavformat/udp.c
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@ -218,9 +218,10 @@ static int udp_socket_create(UDPContext *s, struct sockaddr_storage *addr,
static int udp_port(struct sockaddr_storage *addr, int addr_len)
{
char sbuf[sizeof(int)*3+1];
int error;
if (getnameinfo((struct sockaddr *)addr, addr_len, NULL, 0, sbuf, sizeof(sbuf), NI_NUMERICSERV) != 0) {
av_log(NULL, AV_LOG_ERROR, "getnameinfo: %s\n", strerror(errno));
if ((error = getnameinfo((struct sockaddr *)addr, addr_len, NULL, 0, sbuf, sizeof(sbuf), NI_NUMERICSERV)) != 0) {
av_log(NULL, AV_LOG_ERROR, "getnameinfo: %s\n", gai_strerror(error));
return -1;
}