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bugfix: ${x#?} should expand to nothing not '' if x was unset

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tg
2009-11-21 22:29:12 +00:00
parent ba9375684d
commit d02e6be6cf
2 changed files with 15 additions and 3 deletions
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4
eval.c
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@ -22,7 +22,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.70 2009/10/30 00:57:37 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.71 2009/11/21 22:29:11 tg Exp $");
/*
* string expansion
@ -591,7 +591,7 @@ expand(const char *cp, /* input word */
*/
x.str = trimsub(str_val(st->var),
dp, st->stype);
type = XSUB;
type = strlen(x.str) ? XSUB : XNULLSUB;
if (f&DOBLANK)
doblank++;
st = st->prev;