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Rebuild fields when NF is assigned to itself

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This commit is contained in:
Cody Peter Mello 2018-09-23 17:59:52 -07:00
parent 2dc7e5ff1a
commit 6315525dbe
5 changed files with 12 additions and 2 deletions
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2
bugs-fixed/README
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@ -23,3 +23,5 @@ and also if CONVFMT changed.
7. unary-plus: Unary plus on a string constant returned the string.
Instead, it should convert the value to numeric and give that value.
X. nf-self-assign: "NF = NF" wouldn't force the record to be rebuilt.

6
bugs-fixed/nf-self-assign.awk Normal file
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@ -0,0 +1,6 @@
BEGIN {
$0="a b c";
OFS=",";
NF = NF;
print;
}

1
bugs-fixed/nf-self-assign.bad Normal file
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@ -0,0 +1 @@
a b c

1
bugs-fixed/nf-self-assign.ok Normal file
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@ -0,0 +1 @@
a,b,c

4
run.c
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@ -1117,8 +1117,8 @@ Cell *assign(Node **a, int n) /* a[0] = a[1], a[0] += a[1], etc. */
y = execute(a[1]);
x = execute(a[0]);
if (n == ASSIGN) { /* ordinary assignment */
if (x == y && !(x->tval & (FLD|REC))) /* self-assignment: */
; /* leave alone unless it's a field */
if (x == y && !(x->tval & (FLD|REC)) && x != nfloc)
; /* self-assignment: leave alone unless it's a field or NF */
else if ((y->tval & (STR|NUM)) == (STR|NUM)) {
setsval(x, getsval(y));
x->fval = getfval(y);