- *l = snprintf(*s, sizeof *s, "%0*lld", width, val);
+ switch (pad ? pad : def_pad) {
+ case '-': *l = snprintf(*s, sizeof *s, "%lld", val); break;
+ case '_': *l = snprintf(*s, sizeof *s, "%*lld", width, val); break;
+ case '0':
+ default: *l = snprintf(*s, sizeof *s, "%0*lld", width, val); break;
+ }