improve name lookup performance in corner cases

[musl] / src / network / getaddrinfo.c

diff --git a/src/network/getaddrinfo.c b/src/network/getaddrinfo.c
index c0f135f..93c7516 100644 (file)
--- a/src/network/getaddrinfo.c
+++ b/src/network/getaddrinfo.c
@@ -61,7 +61,7 @@ int getaddrinfo(const char *host, const char *serv, const struct addrinfo *hint,
        //char hostbuf[256];
        char line[512];
        FILE *f, _f;
-       unsigned char _buf[64];
+       unsigned char _buf[1024];
        char *z;
        int result;
        int cnt;
@@ -75,7 +75,8 @@ int getaddrinfo(const char *host, const char *serv, const struct addrinfo *hint,
                type = proto==IPPROTO_UDP ? SOCK_DGRAM : SOCK_STREAM;
 
        if (serv) {
-               port = strtoul(serv, &z, 0);
+               if (!*serv) return EAI_SERVICE;
+               port = strtoul(serv, &z, 10);
                if (!*z && port > 65535) return EAI_SERVICE;
                if (!port) {
                        if (flags & AI_NUMERICSERV) return EAI_SERVICE;
@@ -107,6 +108,8 @@ int getaddrinfo(const char *host, const char *serv, const struct addrinfo *hint,
                return 0;
        }
 
+       if (!*host) return EAI_NONAME;
+
        /* Try as a numeric address */
        if (__ipparse(&sa, family, host) >= 0) {
                buf = calloc(sizeof *buf, 1+EXTRA);