From 7ea396ab3f9edec0158bb6eab34924f1cb5e14ed Mon Sep 17 00:00:00 2001
From: ridiculousfish <rf@fishshell.com>
Date: Tue, 7 Jul 2020 17:58:21 -0700
Subject: [PATCH] Remove lrand48 checks and support

lrand48 is no longer used.
---
 cmake/ConfigureChecks.cmake |  1 -
 config_cmake.h.in           |  3 ---
 src/fallback.cpp            |  3 +--
 src/fallback.h              | 16 ----------------
 4 files changed, 1 insertion(+), 22 deletions(-)

diff --git a/cmake/ConfigureChecks.cmake b/cmake/ConfigureChecks.cmake
index 9a2205de9..eb380c342 100644
--- a/cmake/ConfigureChecks.cmake
+++ b/cmake/ConfigureChecks.cmake
@@ -80,7 +80,6 @@ check_cxx_symbol_exists(getpwent pwd.h HAVE_GETPWENT)
 check_cxx_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
 check_cxx_symbol_exists(gettext libintl.h HAVE_GETTEXT)
 check_cxx_symbol_exists(killpg "sys/types.h;signal.h" HAVE_KILLPG)
-check_cxx_symbol_exists(lrand48_r stdlib.h HAVE_LRAND48_R)
 # mkostemp is in stdlib in glibc and FreeBSD, but unistd on macOS
 check_cxx_symbol_exists(mkostemp "stdlib.h;unistd.h" HAVE_MKOSTEMP)
 set(HAVE_CURSES_H ${CURSES_HAVE_CURSES_H})
diff --git a/config_cmake.h.in b/config_cmake.h.in
index de86ab185..0d839ca9c 100644
--- a/config_cmake.h.in
+++ b/config_cmake.h.in
@@ -43,9 +43,6 @@
 /* Define to 1 if you have the `killpg' function. */
 #cmakedefine HAVE_KILLPG 1
 
-/* Define to 1 if you have the `lrand48_r' function. */
-#cmakedefine HAVE_LRAND48_R 1
-
 /* Define to 1 if you have the `mkostemp' function. */
 #cmakedefine HAVE_MKOSTEMP 1
 
diff --git a/src/fallback.cpp b/src/fallback.cpp
index 146124539..47663837b 100644
--- a/src/fallback.cpp
+++ b/src/fallback.cpp
@@ -1,8 +1,7 @@
 // This file only contains fallback implementations of functions which have been found to be missing
 // or broken by the configuration scripts.
 //
-// Many of these functions are more or less broken and incomplete. lrand28_r internally uses the
-// regular (bad) rand_r function, the gettext function doesn't actually do anything, etc.
+// Many of these functions are more or less broken and incomplete.
 #include "config.h"
 
 // IWYU likes to recommend adding term.h when we want ncurses.h.
diff --git a/src/fallback.h b/src/fallback.h
index 2ca1ef42e..a3fc8c489 100644
--- a/src/fallback.h
+++ b/src/fallback.h
@@ -126,22 +126,6 @@ wchar_t *wcsndup(const wchar_t *in, size_t c);
 size_t wcslcpy(wchar_t *dst, const wchar_t *src, size_t siz);
 #endif
 
-#if 0
-// These are not currently used.
-#ifndef HAVE_LRAND48_R
-/// Data structure for the lrand48_r fallback implementation.
-struct drand48_data {
-    unsigned int seed;
-};
-
-/// Fallback implementation of lrand48_r. Internally uses rand_r, so it is pretty weak.
-int lrand48_r(struct drand48_data *buffer, long int *result);
-
-/// Fallback implementation of srand48_r, the seed function for lrand48_r.
-int srand48_r(long int seedval, struct drand48_data *buffer);
-#endif
-#endif
-
 #ifndef HAVE_FUTIMES
 int futimes(int fd, const struct timeval *times);
 #endif