Checking if value is null before checking if pointer is null
while (*t && ((*t<'0' || *t > '9') && *t!='-')) t++;
if (!t)
return p;
https://gitlab.gnome.org/GNOME/gegl/-/blob/master/gegl/property-types/gegl-path.c#L1029-1031
while (*t && ((*t<'0' || *t > '9') && *t!='-')) t++;
if (!t)
return p;
https://gitlab.gnome.org/GNOME/gegl/-/blob/master/gegl/property-types/gegl-path.c#L1029-1031