Function expandProcTitleTemplate

app/redis-6.2.6/src/server.c:6010–6015

Expand the specified proc-title-template string and return a newly * allocated sds, or NULL. */

/* Expand the specified proc-title-template string and return a newly
 * allocated sds, or NULL. */
static sds expandProcTitleTemplate(const char *template, const char *title) {
    sds res = sdstemplate(template, redisProcTitleGetVariable, (void *) title);
    if (!res)
        return NULL;
    return sdstrim(res, " ");
}
/* Validate the specified template, returns 1 if valid or 0 otherwise. */
int validateProcTitleTemplate(const char *template) {
    int ok = 1;