Less syscalls the better? Call getrandom() every generation

Seems to hang every few executions if we getrandom one big chunk.
Probably not enough entropy?

1 files changed, 3 insertions, 6 deletions

diff --git a/passgen.c b/passgen.c
index 3f1e59e..2c560b0 100644
--- a/passgen.c
+++ b/passgen.c
@@ -56,11 +56,7 @@ int main(int argc, char *argv[])
   char password[grammar_size+1];

   password[grammar_size] = 0;

 

-#ifdef __linux__

-  // Reduce syscalls by generating a bunch and then doing it

-  unsigned int entropy[grammar_size];

-  getrandom(&entropy, sizeof(entropy), 0);

-#else

+#ifndef __linux__

   // seed RNG; this isn't very good, but it's enough(?)

   srand(time(NULL) + getpid() % 420 - 69);

 #endif

@@ -87,7 +83,8 @@ int main(int argc, char *argv[])
 

     do {

 #ifdef __linux__

-      unsigned int r = entropy[i];

+      unsigned int r;

+      getrandom(&r, sizeof(r), 0);

 #else

       long r = rand();

 #endif