diff options
Diffstat (limited to 'Src/math.c')
| -rw-r--r-- | Src/math.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Src/math.c b/Src/math.c index c047725c5..2105180c8 100644 --- a/Src/math.c +++ b/Src/math.c @@ -1398,7 +1398,7 @@ matheval(char *s) if (!mlevel) outputradix = outputunderscore = 0; - if (!*s) { + if (!*s || *s == Nularg) { x.type = MN_INTEGER; x.u.l = 0; return x; @@ -1435,7 +1435,7 @@ mathevalarg(char *s, char **ss) * * To avoid a more opaque error further in, bail out here. */ - if (!*s) { + if (!*s || *s == Nularg) { zerr("bad math expression: empty string"); return (zlong)0; } |