https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=e9c4a281e56518a5c62a727068fda02a364d3a52
commit e9c4a281e56518a5c62a727068fda02a364d3a52 Author: Corinna Vinschen <[email protected]> AuthorDate: Mon Nov 13 19:37:56 2023 +0100 Commit: Corinna Vinschen <[email protected]> CommitDate: Mon Nov 13 19:50:15 2023 +0100 Cygwin: random: drop unused function srandomdev() Also drop includes only required for srandomdev(). Signed-off-by: Corinna Vinschen <[email protected]> Diff: --- winsup/cygwin/random.cc | 45 --------------------------------------------- 1 file changed, 45 deletions(-) diff --git a/winsup/cygwin/random.cc b/winsup/cygwin/random.cc index 3c8682e9adf3..51f5a6e963e0 100644 --- a/winsup/cygwin/random.cc +++ b/winsup/cygwin/random.cc @@ -44,11 +44,7 @@ static char sccsid[] = "@(#)random.c 8.2 (Berkeley) 5/19/95"; #include <sys/cdefs.h> __FBSDID("$FreeBSD: src/lib/libc/stdlib/random.c,v 1.25 2007/01/09 00:28:10 imp Exp $"); -#include <sys/time.h> /* for srandomdev() */ -#include <fcntl.h> /* for srandomdev() */ #include <stdio.h> -#include <stdlib.h> -#include <unistd.h> /* for srandomdev() */ /* * random.c: @@ -297,47 +293,6 @@ srandom(unsigned x) __random_unlock(); } -/* - * srandomdev: - * - * Many programs choose the seed value in a totally predictable manner. - * This often causes problems. We seed the generator using the much more - * secure random(4) interface. Note that this particular seeding - * procedure can generate states which are impossible to reproduce by - * calling srandom() with any value, since the succeeding terms in the - * state buffer are no longer derived from the LC algorithm applied to - * a fixed seed. - */ -void -srandomdev() -{ - size_t len; - - if (rand_type == TYPE_0) - len = sizeof state[0]; - else - len = rand_deg * sizeof state[0]; - - if (getentropy ((void *) state, len)) { - struct timeval tv; - unsigned long junk; - - gettimeofday(&tv, NULL); - /* Avoid a compiler warning when we really want to get at the - junk in an uninitialized variable. */ -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wmaybe-uninitialized" - srandom((getpid() << 16) ^ tv.tv_sec ^ tv.tv_usec ^ junk); -#pragma GCC diagnostic pop - return; - } - - if (rand_type != TYPE_0) { - fptr = &state[rand_sep]; - rptr = &state[0]; - } -} - /* * initstate: *
