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Diffstat (limited to 'Src/math.c')
-rw-r--r--Src/math.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/Src/math.c b/Src/math.c
index a38770073..905b910ec 100644
--- a/Src/math.c
+++ b/Src/math.c
@@ -1133,8 +1133,7 @@ notzero(mnumber a)
/* macro to pop three values off the value stack */
-/**/
-void
+static void
op(int what)
{
mnumber a, b, c, *spval;
@@ -1569,14 +1568,19 @@ mathparse(int pc)
if (errflag)
return;
+ queue_signals();
mtok = zzlex();
/* Handle empty input */
- if (pc == TOPPREC && mtok == EOI)
+ if (pc == TOPPREC && mtok == EOI) {
+ unqueue_signals();
return;
+ }
checkunary(mtok, optr);
while (prec[mtok] <= pc) {
- if (errflag)
+ if (errflag) {
+ unqueue_signals();
return;
+ }
switch (mtok) {
case NUM:
push(yyval, NULL, 0);
@@ -1595,6 +1599,7 @@ mathparse(int pc)
if (mtok != M_OUTPAR) {
if (!errflag)
zerr("bad math expression: ')' expected");
+ unqueue_signals();
return;
}
break;
@@ -1613,6 +1618,7 @@ mathparse(int pc)
if (mtok != COLON) {
if (!errflag)
zerr("bad math expression: ':' expected");
+ unqueue_signals();
return;
}
if (q)
@@ -1636,4 +1642,5 @@ mathparse(int pc)
mtok = zzlex();
checkunary(mtok, optr);
}
+ unqueue_signals();
}