use "glibc errno" trick not only for ash, but for entire busybox

(add/remove: 1/1 grow/shrink: 37/37 up/down: 139/-228)        Total: -89 bytes

1 files changed, 0 insertions, 11 deletions

diff --git a/shell/ash.c b/shell/ash.c
index b1d22e5d2..ea10a65cf 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -127,13 +127,6 @@ static char optlist[NOPTS];
 
 /* ============ Misc data */
 
-#ifdef __GLIBC__
-/* glibc sucks */
-static int *dash_errno;
-#undef errno
-#define errno (*dash_errno)
-#endif
-
 static char nullstr[1];                /* zero length string */
 static const char homestr[] = "HOME";
 static const char snlfmt[] = "%s\n";
@@ -12734,10 +12727,6 @@ int ash_main(int argc, char **argv)
         struct jmploc jmploc;
         struct stackmark smark;
 
-#ifdef __GLIBC__
-        dash_errno = __errno_location();
-#endif
-
 #if PROFILE
         monitor(4, etext, profile_buf, sizeof(profile_buf), 50);
 #endif