timezone: Remove TZNAME_MAX limit from sysconf [BZ #15576]

glibc does not impose a limit, and POSIX does not allow a
sysconf limit which changes during the lifetime of a process.

1 files changed, 0 insertions, 24 deletions

diff --git a/time/tzfile.c b/time/tzfile.c
index 4987f1a59b..d41246980b 100644
--- a/time/tzfile.c
+++ b/time/tzfile.c
@@ -48,8 +48,6 @@ struct leap
     long int change;		/* Seconds of correction to apply.  */
   };
 
-static void compute_tzname_max (size_t) internal_function;
-
 static size_t num_transitions;
 libc_freeres_ptr (static time_t *transitions);
 static unsigned char *type_idxs;
@@ -494,8 +492,6 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
   if (__tzname[1] == NULL)
     __tzname[1] = __tzname[0];
 
-  compute_tzname_max (chars);
-
   if (num_transitions == 0)
     /* Use the first rule (which should also be the only one).  */
     rule_stdoff = rule_dstoff = types[0].offset;
@@ -626,8 +622,6 @@ __tzfile_default (const char *std, const char *dst,
   /* Set the timezone.  */
   __timezone = -types[0].offset;
 
-  compute_tzname_max (stdlen + dstlen);
-
   /* Invalidate the tzfile attribute cache to force rereading
      TZDEFRULES the next time it is used.  */
   tzfile_dev = 0;
@@ -836,21 +830,3 @@ __tzfile_compute (time_t timer, int use_localtime,
 	}
     }
 }
-
-static void
-internal_function
-compute_tzname_max (size_t chars)
-{
-  const char *p;
-
-  p = zone_names;
-  do
-    {
-      const char *start = p;
-      while (*p != '\0')
-	++p;
-      if ((size_t) (p - start) > __tzname_cur_max)
-	__tzname_cur_max = p - start;
-    }
-  while (++p < &zone_names[chars]);
-}