FreeBSD also has /dev/random and /dev/urandom.

dreibh · dreibh · commit e1d17a0f6cf0 · 2024-10-23T14:37:55.000+02:00
diff --git a/src/subnetcalc.cc b/src/subnetcalc.cc
@@ -145,7 +145,7 @@ void generateUniqueLocal(sockaddr_union& address,
       exit(1);
    }
 
-#if defined(__LINUX__) || defined(__linux__) || defined(__linux)
+#if defined(__LINUX__) || defined(__linux__) || defined(__linux) || defined(__FreeBSD__)
    // ====== Read random number from random device ==========================
    const char* randomFile = (highQualityRng == true) ? "/dev/random" : "/dev/urandom";
    FILE* fh = fopen(randomFile, "r");

Original file line number	Diff line number	Diff line change
`@@ -145,7 +145,7 @@ void generateUniqueLocal(sockaddr_union& address,`
`145`	`145`	`exit(1);`
`146`	`146`	`}`
`147`	`147`
`148`		`-#if defined(__LINUX__) \|\| defined(__linux__) \|\| defined(__linux)`
	`148`	`+#if defined(__LINUX__) \|\| defined(__linux__) \|\| defined(__linux) \|\| defined(__FreeBSD__)`
`149`	`149`	`// ====== Read random number from random device ==========================`
`150`	`150`	`const char* randomFile = (highQualityRng == true) ? "/dev/random" : "/dev/urandom";`
`151`	`151`	`FILE* fh = fopen(randomFile, "r");`