diff options
Diffstat (limited to 'src/pulsecore/random.c')
| -rw-r--r-- | src/pulsecore/random.c | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/src/pulsecore/random.c b/src/pulsecore/random.c index 7908e87d..5deac37b 100644 --- a/src/pulsecore/random.c +++ b/src/pulsecore/random.c @@ -1,18 +1,19 @@ -/* $Id$ */ - /*** This file is part of PulseAudio. - + + Copyright 2004-2006 Lennart Poettering + Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB + PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. - + PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. - + You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 @@ -28,21 +29,22 @@ #include <errno.h> #include <string.h> #include <stdlib.h> -#include <assert.h> #include <time.h> #include <pulsecore/core-util.h> #include <pulsecore/log.h> +#include <pulsecore/macro.h> #include "random.h" static int has_whined = 0; -static const char *devices[] = { "/dev/urandom", "/dev/random", NULL }; +static const char * const devices[] = { "/dev/urandom", "/dev/random", NULL }; static int random_proper(void *ret_data, size_t length) { #ifdef OS_IS_WIN32 - assert(ret_data && length); + pa_assert(ret_data); + pa_assert(length > 0); return -1; @@ -50,21 +52,26 @@ static int random_proper(void *ret_data, size_t length) { int fd, ret = -1; ssize_t r = 0; - const char **device; + const char *const * device; - assert(ret_data && length); + pa_assert(ret_data); + pa_assert(length > 0); device = devices; while (*device) { ret = 0; - if ((fd = open(*device, O_RDONLY)) >= 0) { + if ((fd = open(*device, O_RDONLY +#ifdef O_NOCTTY + | O_NOCTTY +#endif + )) >= 0) { if ((r = pa_loop_read(fd, ret_data, length, NULL)) < 0 || (size_t) r != length) ret = -1; - close(fd); + pa_close(fd); } else ret = -1; @@ -81,7 +88,7 @@ void pa_random_seed(void) { if (random_proper(&seed, sizeof(unsigned int)) < 0) { if (!has_whined) - pa_log_warn("failed to get proper entropy. Falling back to seeding with current time."); + pa_log_warn("Failed to get proper entropy. Falling back to seeding with current time."); has_whined = 1; seed = (unsigned int) time(NULL); @@ -94,13 +101,14 @@ void pa_random(void *ret_data, size_t length) { uint8_t *p; size_t l; - assert(ret_data && length); + pa_assert(ret_data); + pa_assert(length > 0); if (random_proper(ret_data, length) >= 0) return; if (!has_whined) - pa_log_warn("failed to get proper entropy. Falling back to unsecure pseudo RNG."); + pa_log_warn("Failed to get proper entropy. Falling back to unsecure pseudo RNG."); has_whined = 1; for (p = ret_data, l = length; l > 0; p++, l--) |
