Function malloc_conf_init_helper

BeefRT/JEMalloc/src/jemalloc.c:1065–1730

}

static void
malloc_conf_init_helper(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS],
    bool initial_call, const char *opts_cache[MALLOC_CONF_NSOURCES],
    char buf[PATH_MAX + 1]) {
	static const char *opts_explain[MALLOC_CONF_NSOURCES] = {
		"string specified via --with-malloc-conf",
		"string pointed to by the global variable malloc_conf",
		"\"name\" of the file referenced by the symbolic link named "
		    "/etc/malloc.conf",
		"value of the environment variable MALLOC_CONF",
		"string pointed to by the global variable "
		    "malloc_conf_2_conf_harder",
	};
	unsigned i;
	const char *opts, *k, *v;
	size_t klen, vlen;

	for (i = 0; i < MALLOC_CONF_NSOURCES; i++) {
		/* Get runtime configuration. */
		if (initial_call) {
			opts_cache[i] = obtain_malloc_conf(i, buf);
		}
		opts = opts_cache[i];
		if (!initial_call && opt_confirm_conf) {
			malloc_printf(
			    "<jemalloc>: malloc_conf #%u (%s): \"%s\"\n",
			    i + 1, opts_explain[i], opts != NULL ? opts : "");
		}
		if (opts == NULL) {
			continue;
		}

		while (*opts != '\0' && !malloc_conf_next(&opts, &k, &klen, &v,
		    &vlen)) {

#define CONF_ERROR(msg, k, klen, v, vlen)				\
			if (!initial_call) {				\
				malloc_conf_error(			\
				    msg, k, klen, v, vlen);		\
				cur_opt_valid = false;			\
			}
#define CONF_CONTINUE	{						\
				if (!initial_call && opt_confirm_conf	\
				    && cur_opt_valid) {			\
					malloc_printf("<jemalloc>: -- "	\
					    "Set conf value: %.*s:%.*s"	\
					    "\n", (int)klen, k,		\
					    (int)vlen, v);		\
				}					\
				continue;				\
			}
#define CONF_MATCH(n)							\
	(sizeof(n)-1 == klen && strncmp(n, k, klen) == 0)
#define CONF_MATCH_VALUE(n)						\
	(sizeof(n)-1 == vlen && strncmp(n, v, vlen) == 0)
#define CONF_HANDLE_BOOL(o, n)						\
			if (CONF_MATCH(n)) {				\
				if (CONF_MATCH_VALUE("true")) {		\