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another ksh93 feature: test -o ?foo (almost zero cost)

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tg
2009-09-07 17:24:49 +00:00
parent ce24c5da13
commit 3639137e48
4 changed files with 53 additions and 10 deletions
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7
funcs.c
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@ -25,7 +25,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.129 2009/09/06 17:42:12 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.130 2009/09/07 17:24:48 tg Exp $");
#if HAVE_KILLPG
/*
@ -2782,12 +2782,11 @@ test_eval(Test_env *te, Test_op op, const char *opnd1, const char *opnd2,
case TO_STZER: /* -z */
return (*opnd1 == '\0');
case TO_OPTION: /* -o */
if ((i = *opnd1 == '!'))
if ((i = *opnd1) == '!' || i == '?')
opnd1++;
if ((k = option(opnd1)) == (size_t)-1)
return (0);
s = Flag(k);
return (i ? !s : s);
return (i == '?' ? 1 : i == '!' ? !Flag(k) : Flag(k));
case TO_FILRD: /* -r */
return (test_eaccess(opnd1, R_OK) == 0);
case TO_FILWR: /* -w */