Function rewriteConfigAddLineNumberToOption

app/redis-6.2.6/src/config.c:1109–1117

Populate the option -> list of line numbers map. */

/* Populate the option -> list of line numbers map. */
void rewriteConfigAddLineNumberToOption(struct rewriteConfigState *state, sds option, int linenum) {
    list *l = dictFetchValue(state->option_to_line,option);

    if (l == NULL) {
        l = listCreate();
        dictAdd(state->option_to_line,sdsdup(option),l);
    }
    listAddNodeTail(l,(void*)(long)linenum);
}

/* Add the specified option to the set of processed options.
 * This is useful as only unused lines of processed options will be blanked