Handle -- on getconf command line.

diff --git a/ChangeLog b/ChangeLog
index 16c976f..3dd4dc0 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-09-09  Ulrich Drepper  <drepper@redhat.com>
+
+       * posix/getconf.c (main): Handle -- on command line.
+
 2009-09-05  H.J. Lu  <hongjiu.lu@intel.com>
 
        * configure.in: Support binutils 2.100 and 3.0.

diff --git a/posix/getconf.c b/posix/getconf.c
index facf5b0..d9d90e4 100644 (file)
--- a/posix/getconf.c
+++ b/posix/getconf.c
@@ -1052,34 +1052,34 @@ print_all (const char *path)
     printf("%-35s", c->name);
     switch (c->call) {
       case PATHCONF:
-        value = pathconf (path, c->call_name);
-        if (value != -1) {
-          printf("%ld", value);
-        }
-        printf("\n");
-        break;
+       value = pathconf (path, c->call_name);
+       if (value != -1) {
+         printf("%ld", value);
+       }
+       printf("\n");
+       break;
       case SYSCONF:
-        value = sysconf (c->call_name);
-        if (value == -1l) {
-          if (c->call_name == _SC_UINT_MAX
-            || c->call_name == _SC_ULONG_MAX)
-            printf ("%lu", value);
-        }
-        else {
-          printf ("%ld", value);
-        }
-        printf ("\n");
-        break;
+       value = sysconf (c->call_name);
+       if (value == -1l) {
+         if (c->call_name == _SC_UINT_MAX
+           || c->call_name == _SC_ULONG_MAX)
+           printf ("%lu", value);
+       }
+       else {
+         printf ("%ld", value);
+       }
+       printf ("\n");
+       break;
       case CONFSTR:
-        clen = confstr (c->call_name, (char *) NULL, 0);
-        cvalue = (char *) malloc (clen);
-        if (cvalue == NULL)
-          error (3, 0, _("memory exhausted"));
-        if (confstr (c->call_name, cvalue, clen) != clen)
-          error (3, errno, "confstr");
-        printf ("%.*s\n", (int) clen, cvalue);
+       clen = confstr (c->call_name, (char *) NULL, 0);
+       cvalue = (char *) malloc (clen);
+       if (cvalue == NULL)
+         error (3, 0, _("memory exhausted"));
+       if (confstr (c->call_name, cvalue, clen) != clen)
+         error (3, errno, "confstr");
+       printf ("%.*s\n", (int) clen, cvalue);
        free (cvalue);
-        break;
+       break;
     }
   }
   exit (0);
@@ -1239,13 +1239,17 @@ environment SPEC.\n\n"));
        usage ();
     }
 
-  if (argc < 2 || argc > 3)
+  int ai = 1;
+  if (argc > ai && strcmp (argv[ai], "--") == 0)
+    ++ai;
+
+  if (argc - ai < 1 || argc - ai > 2)
     usage ();
 
   for (c = vars; c->name != NULL; ++c)
-    if (strcmp (c->name, argv[1]) == 0
+    if (strcmp (c->name, argv[ai]) == 0
        || (strncmp (c->name, "_POSIX_", 7) == 0
-           && strcmp (c->name + 7, argv[1]) == 0))
+           && strcmp (c->name + 7, argv[ai]) == 0))
       {
        long int value;
        size_t clen;
@@ -1253,14 +1257,14 @@ environment SPEC.\n\n"));
        switch (c->call)
          {
          case PATHCONF:
-           if (argc < 3)
+           if (argc - ai < 2)
              usage ();
            errno = 0;
-           value = pathconf (argv[2], c->call_name);
+           value = pathconf (argv[ai + 1], c->call_name);
            if (value == -1)
              {
                if (errno)
-                 error (3, errno, "pathconf: %s", argv[2]);
+                 error (3, errno, "pathconf: %s", argv[ai + 1]);
                else
                  puts (_("undefined"));
              }
@@ -1269,7 +1273,7 @@ environment SPEC.\n\n"));
            exit (0);
 
          case SYSCONF:
-           if (argc > 2)
+           if (argc - ai > 1)
              usage ();
            value = sysconf (c->call_name);
            if (value == -1l)
@@ -1285,7 +1289,7 @@ environment SPEC.\n\n"));
            exit (0);
 
          case CONFSTR:
-           if (argc > 2)
+           if (argc - ai > 1)
              usage ();
            clen = confstr (c->call_name, (char *) NULL, 0);
            cvalue = (char *) malloc (clen);
@@ -1300,7 +1304,7 @@ environment SPEC.\n\n"));
          }
       }
 
-  error (2, 0, _("Unrecognized variable `%s'"), argv[1]);
+  error (2, 0, _("Unrecognized variable `%s'"), argv[ai]);
   /* NOTREACHED */
   return 2;
 }