diff options
Diffstat (limited to 'Src')
| -rw-r--r-- | Src/math.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Src/math.c b/Src/math.c index 766dff679..bc0669b7e 100644 --- a/Src/math.c +++ b/Src/math.c @@ -961,7 +961,7 @@ mathevall(char *s, int prek, char **ep) stack[0].val.u.l = 0; mathparse(prek); *ep = ptr; - DPUTS(!errflag && sp, + DPUTS(!errflag && sp > 0, "BUG: math: wallabies roaming too freely in outback"); if (errflag) { @@ -1084,6 +1084,9 @@ mathparse(int pc) if (errflag) return; mtok = zzlex(); + /* Handle empty input */ + if (pc == TOPPREC && mtok == EOI) + return; checkunary(mtok, optr); while (prec[mtok] <= pc) { if (errflag) |