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-rw-r--r--src/sysdeps/trydevrandom.c54
1 files changed, 0 insertions, 54 deletions
diff --git a/src/sysdeps/trydevrandom.c b/src/sysdeps/trydevrandom.c
deleted file mode 100644
index 395d008..0000000
--- a/src/sysdeps/trydevrandom.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/* ISC license. */
-
-#include <unistd.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <errno.h>
-
-static int fd_read (int fd, char *buf, unsigned int len)
-{
- register int r ;
- do r = read(fd, buf, len) ;
- while ((r == -1) && (errno == EINTR)) ;
- return r ;
-}
-
-static unsigned int allread (int fd, register char *buf, register unsigned int len)
-{
- register unsigned int written = 0 ;
- while (len)
- {
- register int w = fd_read(fd, buf, len) ;
- if (!w) errno = EPIPE ;
- if (w <= 0) break ;
- written += w ;
- buf += w ;
- len -= w ;
- }
- return written ;
-}
-
-static int byte_diff (char *s, unsigned int n, char *t)
-{
- for (;;)
- {
- if (!n) return 0 ;
- if (*s != *t) break ;
- ++s ; ++t ; --n ;
- }
- return ((int)(unsigned int)(unsigned char) *s)
- - ((int)(unsigned int)(unsigned char) *t);
-}
-
-int main ()
-{
- char a[64] ;
- char b[64] ;
- int fd = open("/dev/random", O_RDONLY) ;
- if ((fd == -1) || (allread(fd, a, 64) < 64) ) return 111 ;
- close(fd) ;
- fd = open("/dev/random", O_RDONLY) ;
- if ((fd == -1) || (allread(fd, b, 64) < 64) ) return 111 ;
- close(fd) ;
- return !byte_diff(a, 64, b) ;
-}