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stdlib: Fix __getrandom_nocancel type and arc4random usage (BZ #29638)

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Using an unsigned type prevents the fallback to be used if kernel
does not support getrandom syscall.

Checked on x86_64-linux-gnu.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
This commit is contained in:
Adhemerval Zanella 2022-09-29 16:15:20 -03:00
parent 8b10727a9a
commit 13db9ee2cb
2 changed files with 2 additions and 2 deletions
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2
stdlib/arc4random.c
View File

@ -34,7 +34,7 @@ void
__arc4random_buf (void *p, size_t n)
{
static int seen_initialized;
size_t l;
ssize_t l;
int fd;
if (n == 0)

2
sysdeps/unix/sysv/linux/not-cancel.h
View File

@ -68,7 +68,7 @@ __writev_nocancel_nostatus (int fd, const struct iovec *iov, int iovcnt)
INTERNAL_SYSCALL_CALL (writev, fd, iov, iovcnt);
}
static inline int
static inline ssize_t
__getrandom_nocancel (void *buf, size_t buflen, unsigned int flags)
{
return INLINE_SYSCALL_CALL (getrandom, buf, buflen, flags);