@@ -10,8 +10,13 @@
  *  ? generates passwords
  *  → mkpw is unlikely to be portable to non-POSIX
  *    systems, but should run fine on Linux as well
  *    as BSDs with getrandom() support.
+ *  ! for getrandom() to work with the version of
+ *    libc on my android phone, the getrandom() call
+ *    had to be converted to use the syscall()
+ *    interface. this is unlikely to cause problems,
+ *    but should be kept in mind.
  */
 
 #include <unistd.h>
 #include <sys/random.h>
@@ -46,8 +51,10 @@
 	fail = 1,
 	bad_user,
 	bad_option,
 	bad_syntax,
+	bad_entropy,
+	bad_copy,
 	bad_usage = 64, /* fleabsd idiom */
 } bad;
 
 typedef _Bool bool;
@@ -198,9 +205,10 @@
 
 	unsigned char noise[len];
 	for (size_t i = 0; i<q; ++i) {
 		unsigned char* cur = noise;
-		syscall(SYS_getrandom, noise, len, 0);
+		if(syscall(SYS_getrandom, noise, len, 0) == -1)
+			return bad_entropy;
 		/* getrandom(noise, len, 0); // android doesnt like it */
 
 		for(char* ptr = buf; ptr < buf + len; ++ptr, ++cur) {
 			*ptr = tbl[*cur % chars]; /* such a waste of entropy… :( */
@@ -222,13 +230,13 @@
 				dup2(fds[0], 0);
 				if (clipboard_env != null) {
 					execvp(clipboard_env, (char* const[]){
 							clipboard_env, clipboard_env_arg, null});
-					return -1;
+					return bad_copy;
 				} else for(char* const** cmd = cbd_cmds; *cmd != null; ++cmd) {
 					execvp((*cmd)[0], *cmd);
 				}
-				return -1; /* exec failed */
+				return bad_copy; /* exec failed */
 			} else {
 				close(fds[0]);
 				write(fds[1], buf, len);
 				write(fds[1], "\n", 1);