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16448: math assignment bug introduced by 15291, 15292

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This commit is contained in:
Peter Stephenson 2002-01-14 13:46:30 +00:00
parent 126d3b9468
commit 64ba6ab245
2 changed files with 11 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2002-01-14 Peter Stephenson <pws@csr.com>
* 16448: Src/math.c: 15291, 15292 introduced bug that assignment
could be made in math eval even if a parameter retrieval gave
an error.
2002-01-14 Andrej Borsenkow <bor@zsh.org>
* 16443: Completion/Mandrake/Command/_urpmi: fix

6
Src/math.c
View File

@ -497,7 +497,7 @@ pop(int noget)
if (mv->val.type == MN_UNSET && !noget)
mv->val = getnparam(mv->lval);
sp--;
return mv->val;
return errflag ? zero_mnumber : mv->val;
}
/**/
@ -630,6 +630,8 @@ op(int what)
DPUTS(sp < 1, "BUG: math: not enough wallabies in outback.");
b = pop(0);
a = pop(what == EQ);
if (errflag)
return;
if (tp & (OP_A2IO|OP_E2IO)) {
/* coerce to integers */
@ -856,6 +858,8 @@ op(int what)
c = pop(0);
b = pop(0);
a = pop(0);
if (errflag)
return;
/* b and c can stay different types in this case. */
push(((a.type & MN_FLOAT) ? a.u.d : a.u.l) ? b : c, NULL, 0);
break;