X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Foptional.h;h=faa64bf604e424adc2aefcda50b044c028c0a507;hp=05f6054dade7c0a8fecbf20b5ef0bb5de1023807;hb=a321667af6f25a77e32787fe89ad306786f7b29a;hpb=ab5be9fa2eb5ba9600a82cd18fd3cfcbac69169a diff --git a/src/common/optional.h b/src/common/optional.h index 05f6054da..faa64bf60 100644 --- a/src/common/optional.h +++ b/src/common/optional.h @@ -62,11 +62,22 @@ * wrapped optional types. It is meant to be used with PODs. */ #define LTTNG_OPTIONAL_GET(optional) \ - ({ \ + ({ \ assert((optional).is_set); \ (optional).value; \ }) +/* + * This macro is available as a 'convenience' to allow sites that assume + * an optional value is set to assert() that it is set when fecthing the + * underlying value's address. + */ +#define LTTNG_OPTIONAL_GET_PTR(optional) \ + ({ \ + assert((optional).is_set); \ + &(optional).value; \ + }) + /* * Initialize an optional field. *