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Fix on Linux

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This commit is contained in:
Jōshin 2018-12-27 19:13:51 +00:00
parent 30390fa180
commit 16451c769c
2 changed files with 8 additions and 5 deletions
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10
ent.c
View File

@ -3,29 +3,31 @@
#if defined(ENT_URANDOM)
#include <assert.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <unistd.h>
int
ent_getentropy(void* buf, size_t len)
{
int fd;
int fd;
ssize_t ret;
char* cuf;
assert(len <= 256);
if (-1 == (fd = open("/dev/urandom", O_RDONLY))) {
return -1;
}
while (len != 0 && (ret = read(fd, buf, len)) != 0) {
while (len != 0 && (ret = read(fd, cuf, len)) != 0) {
if (ret == -1) {
if (errno == EINTR)
continue;
break;
}
len -= ret;
buf += ret;
cuf += ret;
}
(void) close(fd);
if (ret == 0) {

3
include/ent/ent.h
View File

@ -3,9 +3,10 @@
#include <ent/config.h>
#include <stddef.h>
#if defined(ENT_GETENTROPY)
# if defined(ENT_GE_SYSRANDOM)
# include <stddef.h>
# include <inttypes.h> /* OSX sys/random.h needs Availability.h from this */
# include <sys/random.h>
# elif defined(ENT_GE_UNISTD)