"John Cai via GitGitGadget" <gitgitgadget@xxxxxxxxx> writes: > +static void dispatch_calls(struct batch_options *opt, > + struct strbuf *output, > + struct expand_data *data, > + struct queued_cmd *cmd, > + size_t *nr) > +{ > + int i; > + > + if (!opt->buffer_output) > + die(_("flush is only for --buffer mode")); > + > + for (i = 0; i < *nr; i++) { If you updated the max number of items *nr to size_t, don't you need to use 'i' with the same type to count up to it? > + cmd[i].fn(opt, cmd[i].line, output, data); > + free(cmd[i].line); > + } > + > + *nr = 0; > + fflush(stdout); > +} Wouldn't it be easier to reason about what the caller/callee are responsible for, if the function signature looked more like: static size_t dispatch_calls(struct batch_options *opt, ... struct queued_cmd cmd[], size_t nr) { size_t i; for (i = 0; i < nr; i++) ... do stuff ...; return updated_nr; } and make the caller do nr = dispatch_calls(opt, ..., nr); or if the function *never* leaves anything in the queue when it returns, then static void dispatch_calls(struct batch_options *opt, ... struct queued_cmd cmd[], size_t nr) { size_t i; for (i = 0; i < nr; i++) ... do stuff ...; } and make the caller do dispatch_calls(opt, ..., nr); nr = 0; instead of passing a pointer to nr like the posted patch?