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Merge commit 'lha/master' into win32-port2

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* commit 'lha/master':
  glue for strsvisx
  add Allan McRae and Victor Guerra, sort
  Version Heimdal 1.3.2
  Remove fd caching since we don't have unload (deconstructor) support
This commit is contained in:
Asanka Herath
2009-12-01 16:58:05 -05:00
parent 0346adf7f6 87d30c0e23
commit e5ee3e7d60
5 changed files with 35 additions and 31 deletions
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38
lib/hcrypto/rand-unix.c
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@@ -42,9 +42,6 @@
#include "randi.h"
static int random_fd = -1;
static HEIMDAL_MUTEX random_mutex = HEIMDAL_MUTEX_INITIALIZER;
/*
* Unix /dev/random
*/
@@ -93,44 +90,29 @@ static int
unix_bytes(unsigned char *outdata, int size)
{
ssize_t count;
int once = 0;
int fd;
if (size < 0)
return 0;
else if (size == 0)
return 1;
HEIMDAL_MUTEX_lock(&random_mutex);
if (random_fd == -1) {
retry:
random_fd = get_device_fd(O_RDONLY);
if (random_fd < 0) {
HEIMDAL_MUTEX_unlock(&random_mutex);
return 0;
}
}
fd = get_device_fd(O_RDONLY);
if (fd < 0)
return 0;
while (size > 0) {
HEIMDAL_MUTEX_unlock(&random_mutex);
count = read (random_fd, outdata, size);
HEIMDAL_MUTEX_lock(&random_mutex);
if (random_fd < 0) {
if (errno == EINTR)
continue;
else if (errno == EBADF && once++ == 0) {
close(random_fd);
random_fd = -1;
goto retry;
}
return 0;
} else if (count <= 0) {
HEIMDAL_MUTEX_unlock(&random_mutex);
count = read(fd, outdata, size);
if (count < 0 && errno == EINTR)
continue;
else if (count <= 0) {
close(fd);
return 0;
}
outdata += count;
size -= count;
}
HEIMDAL_MUTEX_unlock(&random_mutex);
close(fd);
return 1;
}