X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprf.h;h=ef4b99bbf8639a525ff2d221abcd7bf27710c33d;hp=f7ecc644f92a2c2834f5edd0d473ccd7373e2262;hb=390d25f0b80dd7418e147de3561c70461628574d;hpb=0acdce222ff21c84cafc82c137e3d1e107a66fd9

diff --git a/src/prf.h b/src/prf.h
index f7ecc644..ef4b99bb 100644
--- a/src/prf.h
+++ b/src/prf.h
@@ -20,6 +20,6 @@
 #ifndef __TINC_PRF_H__
 #define __TINC_PRF_H__
 
-extern bool prf(const char *secret, size_t secretlen, char *seed, size_t seedlen, char *out, size_t outlen);
+extern bool prf(const char *secret, size_t secretlen, char *seed, size_t seedlen, char *out, size_t outlen) __attribute__ ((__warn_unused_result__));
 
 #endif