Ramsay Jones <ramsay@xxxxxxxxxxxxxxxxxxxx> writes: >>> @@ -120,7 +120,7 @@ void jw_object_uint64(struct json_writer *jw, const char *key, uint64_t value) >>> maybe_add_comma(jw); >>> >>> append_quoted_string(&jw->json, key); >>> - strbuf_addf(&jw->json, ":%"PRIuMAX, value); >>> + strbuf_addf(&jw->json, ":%"PRIu64, value); >> >> In this code-base, that would normally be written as: >> >> strbuf_addf(&jw->json, ":%"PRIuMAX, (uintmax_t) value); > > heh, I should learn not to reply in a hurry, just before > going out ... > > I had not noticed that 'value' was declared with an 'sized type' > of uint64_t, so using PRIu64 should be fine. But why is this codepath using a sized type in the first place? It is not like it wants to read/write a fixed binary file format---it just wants to use an integer type that is wide enough to handle any inttype the platform uses, for which uintmax_t would be a more appropriate type, no?