From a68d3ed0acf3b77e191b4756146fd58f851e8591 Mon Sep 17 00:00:00 2001
From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com>
Date: Sun, 6 Nov 2022 02:34:14 -0600
Subject: [PATCH] Add rand48 functions

---
 libc-test/semver/linux.txt       |  9 +++++++++
 src/unix/linux_like/linux/mod.rs | 10 ++++++++++
 2 files changed, 19 insertions(+)

diff --git a/libc-test/semver/linux.txt b/libc-test/semver/linux.txt
index dc4bead28d4e1..7abbb25871971 100644
--- a/libc-test/semver/linux.txt
+++ b/libc-test/semver/linux.txt
@@ -2872,6 +2872,7 @@ dirfd
 dl_iterate_phdr
 dl_phdr_info
 dqblk
+drand48
 dup3
 duplocale
 endgrent
@@ -2885,6 +2886,7 @@ epoll_ctl
 epoll_event
 epoll_pwait
 epoll_wait
+erand48
 eventfd
 execvpe
 faccessat
@@ -2991,15 +2993,18 @@ ip_mreq_source
 ipc_perm
 itimerspec
 j1939_filter
+jrand48
 key_t
 killpg
 labs
+lcong48
 lgetxattr
 listxattr
 llistxattr
 lockf
 loff_t
 login_tty
+lrand48
 lremovexattr
 lseek64
 lsetxattr
@@ -3034,6 +3039,7 @@ mq_timedreceive
 mq_timedsend
 mq_unlink
 mqd_t
+mrand48
 mremap
 msgctl
 msgget
@@ -3053,6 +3059,7 @@ nl_langinfo_l
 nlattr
 nlmsgerr
 nlmsghdr
+nrand48
 off64_t
 open64
 open_how
@@ -3171,6 +3178,7 @@ sched_setaffinity
 sched_setparam
 sched_setscheduler
 seccomp_data
+seed48
 seekdir
 sem_close
 sem_destroy
@@ -3231,6 +3239,7 @@ sockaddr_vm
 splice
 spwd
 srand
+srand48
 stack_t
 stat64
 statfs
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index 43f6399e442b3..bc6f603626651 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -3710,6 +3710,16 @@ extern "C" {
     pub fn rand() -> ::c_int;
     pub fn srand(seed: ::c_uint);
 
+    pub fn drand48() -> ::c_double;
+    pub fn erand48(xseed: *mut ::c_ushort) -> ::c_double;
+    pub fn lrand48() -> ::c_long;
+    pub fn nrand48(xseed: *mut ::c_ushort) -> ::c_long;
+    pub fn mrand48() -> ::c_long;
+    pub fn jrand48(xseed: *mut ::c_ushort) -> ::c_long;
+    pub fn srand48(seed: ::c_long);
+    pub fn seed48(xseed: *mut ::c_ushort) -> *mut ::c_ushort;
+    pub fn lcong48(p: *mut ::c_ushort);
+
     pub fn lutimes(file: *const ::c_char, times: *const ::timeval) -> ::c_int;
 
     pub fn setpwent();