hwclock: fix sizeof bug (used it on pointer, not array); make --systohc exact

function                                             old     new   delta
hwclock_main                                         329     428     +99
rtc_adjtime_is_utc                                   138     134      -4
edir                                                 365     354     -11
read_rtc                                              39      23     -16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 99/-31)             Total: 68 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/runit/chpst.c b/runit/chpst.c
index 082d72682..1a68eb755 100644
--- a/runit/chpst.c
+++ b/runit/chpst.c
@@ -104,7 +104,7 @@ static NOINLINE void edir(const char *directory_name)
         xchdir(directory_name);
         dir = xopendir(".");
         for (;;) {
-                RESERVE_CONFIG_BUFFER(buf, 256);
+                char buf[256];
                 char *tail;
                 int size;
 
@@ -148,7 +148,6 @@ static NOINLINE void edir(const char *directory_name)
                                 break;
                 }
                 xsetenv(d->d_name, buf);
-                RELEASE_CONFIG_BUFFER(buf);
         }
         closedir(dir);
         if (fchdir(wdir) == -1)