Avoid symlink attack in localcharset module.

[gnulib.git] / tests / test-getaddrinfo.c

diff --git a/tests/test-getaddrinfo.c b/tests/test-getaddrinfo.c
index a8b2fd5..eeea3f7 100644 (file)
--- a/tests/test-getaddrinfo.c
+++ b/tests/test-getaddrinfo.c
@@ -19,7 +19,9 @@
 
 #include <config.h>
 #include <netdb.h>
+
 #include <arpa/inet.h>
+#include <errno.h>
 #include <netinet/in.h>
 #include <stdio.h>
 #include <string.h>
@@ -45,9 +47,15 @@
 int simple (char *host, char *service)
 {
   char buf[BUFSIZ];
+  static int skip = 0;
   struct addrinfo hints;
   struct addrinfo *ai0, *ai;
   int res;
+  int err;
+
+  /* Once we skipped the test, do not try anything else */
+  if (skip)
+    return 0;
 
   dbgprintf ("Finding %s service %s...\n", host, service);
 
@@ -59,6 +67,7 @@ int simple (char *host, char *service)
   hints.ai_socktype = SOCK_STREAM;
 
   res = getaddrinfo (host, service, 0, &ai0);
+  err = errno;
 
   dbgprintf ("res %d: %s\n", res, gai_strerror (res));
 
@@ -69,6 +78,7 @@ int simple (char *host, char *service)
         in-law's farm. */
       if (res == EAI_AGAIN)
        {
+         skip++;
          fprintf (stderr, "skipping getaddrinfo test: no network?\n");
          return 77;
        }
@@ -77,13 +87,16 @@ int simple (char *host, char *service)
       if (res == EAI_NONAME)
        return 0;
       /* Solaris reports EAI_SERVICE for "http" and "https".  Don't
-         fail the test merely because of this.  */
+        fail the test merely because of this.  */
       if (res == EAI_SERVICE)
        return 0;
       /* AIX reports EAI_NODATA for "https".  Don't fail the test
         merely because of this.  */
       if (res == EAI_NODATA)
        return 0;
+      /* Provide details if errno was set.  */
+      if (res == EAI_SYSTEM)
+       dbgprintf ("system error: %s\n", strerror (err));
 
       return 1;
     }