JehanneOS/mksh
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got an SAR, thanks to dalias on IRC

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tg
2013-04-01 02:28:35 +00:00
parent e1a4c3ed28
commit fb3555d7f5
1 changed files with 5 additions and 14 deletions
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19
expr.c
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@@ -23,7 +23,7 @@
#include "sh.h" #include "sh.h"
__RCSID("$MirOS: src/bin/mksh/expr.c,v 1.66 2013/04/01 01:29:47 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/expr.c,v 1.67 2013/04/01 02:28:35 tg Exp $");
#if !HAVE_SILENT_IDIVWRAPV #if !HAVE_SILENT_IDIVWRAPV
#if !defined(MKSH_LEGACY_MODE) || HAVE_LONG_32BIT #if !defined(MKSH_LEGACY_MODE) || HAVE_LONG_32BIT
@@ -493,19 +493,10 @@ evalexpr(Expr_state *es, int prec)
break; break;
case O_RSHIFT: case O_RSHIFT:
case O_RSHIFTASN: case O_RSHIFTASN:
if (es->natural) /* how about ANDing with 31 (except lksh)? */
res = vl->val.u >> vr->val.u; res = es->natural || vl->val.i >= 0 ?
else { vl->val.u >> vr->val.u :
/* ~(~vl->val.u >> vr->val.u);
* This is implementation-defined in ISO C,
* though not undefined, and all known twos
* complement implementations make an arith
* shift-right out of this, and open-coding
* it would probably hurt massively.
*/
/* how about ANDing? */
res = (mksh_uari_t)(vl->val.i >> vr->val.u);
}
break; break;
/* how about rotation? */ /* how about rotation? */
case O_LT: case O_LT: