Function header_opts_find

lib_acl_cpp/src/mime/internal/header_opts.cpp:153–195

/* header_opts_find - look up header options */

const HEADER_OPTS *header_opts_find(const char *string, ACL_VSTRING *key_buffer)
{
	const char *myname = "header_opts_find";
	const char *cp;
	HEADER_OPTS *header_info;
	ACL_VSTRING *header_key;

	acl_pthread_once(&__header_once, header_opts_once);

	if (header_ctx == NULL)
		acl_msg_fatal("%s(%d): header_ctx!", myname, __LINE__);

	if (key_buffer == NULL)
		header_key = acl_vstring_alloc(128);
	else
		header_key = key_buffer;

	/*
	 * Look up the lower-cased version of the header name.
	 */
	ACL_VSTRING_RESET(header_key);
	for (cp = string; *cp != ':'; cp++) {
		if (*cp == 0) {
			acl_msg_error("%s: no colon in header: %.30s",
					myname, string);
			if (key_buffer == NULL)
				acl_vstring_free(header_key);
			return (NULL);
		}
		ACL_VSTRING_ADDCH(header_key, ACL_TOLOWER(*cp));
	}
	acl_vstring_truncate(header_key,
		trimblanks(STR(header_key), (int) (cp - string))
			- STR(header_key));
	ACL_VSTRING_TERMINATE(header_key);

	header_info = (HEADER_OPTS*) acl_htable_find(header_ctx->header_hash,
			STR(header_key));
	if (key_buffer == NULL)
		acl_vstring_free(header_key);

	return (header_info);
}

HEADER_NV *header_split(const char *s)
{