From ff2d528a0a6943bd4247f3c122c145a5b19f0387 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Wed, 4 Jul 2018 18:49:03 -0500 Subject: Add xgetrandom() with probe for new system call (else open/read /dev/{,u}random) --- toys/other/shred.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'toys') diff --git a/toys/other/shred.c b/toys/other/shred.c index 30b5e7d9..e10adc09 100644 --- a/toys/other/shred.c +++ b/toys/other/shred.c @@ -33,8 +33,6 @@ GLOBALS( long offset; long iterations; long size; - - int ufd; ) void shred_main(void) @@ -42,7 +40,6 @@ void shred_main(void) char **try; if (!(toys.optflags & FLAG_n)) TT.iterations++; - TT.ufd = xopenro("/dev/urandom"); // We don't use loopfiles() here because "-" isn't stdin, and want to // respond to files we can't open via chmod. @@ -96,7 +93,7 @@ void shred_main(void) if (toys.optflags & FLAG_x) if (len-pos < throw) throw = len-pos; - if (iter != TT.iterations) xread(TT.ufd, toybuf, throw); + if (iter != TT.iterations) xgetrandom(toybuf, throw, 0); if (throw != writeall(fd, toybuf, throw)) perror_msg_raw(*try); pos += throw; } -- cgit v1.2.3