From a75e2a9d27444d823cf60211d25d6a3564af1b20 Mon Sep 17 00:00:00 2001
From: Josiah Carlson <josiah.carlson@gmail.com>
Date: Sun, 5 May 2024 09:44:51 -0700
Subject: [PATCH] Remove linux-specific libs

---
 crc64.c      | 11 ++++-------
 crccombine.c |  2 --
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/crc64.c b/crc64.c
index 17ce4e44..6a781620 100644
--- a/crc64.c
+++ b/crc64.c
@@ -141,12 +141,9 @@ uint64_t crc64(uint64_t crc, const unsigned char *s, uint64_t l) {
 }
 
 
-#include <pthread.h>
-static pthread_once_t crc64_once_init = PTHREAD_ONCE_INIT;
-
 void crc64_jones_test1(const void *input, int len, uint32_t seed, void *out)
 {
-    pthread_once(&crc64_once_init, crc64_init);
+    if (!crc64_table[0][1]) crc64_init();
     size_t old1 = get_cutoff(0), old2 = get_cutoff(1);
     set_crc64_cutoffs(SIZE_MAX, SIZE_MAX);
     ((uint64_t*)out)[0] = crc64((uint64_t)seed, (const unsigned char*)input, len);
@@ -155,7 +152,7 @@ void crc64_jones_test1(const void *input, int len, uint32_t seed, void *out)
 
 void crc64_jones_test2(const void *input, int len, uint32_t seed, void *out)
 {
-    pthread_once(&crc64_once_init, crc64_init);
+    if (!crc64_table[0][1]) crc64_init();
     size_t old1 = get_cutoff(0), old2 = get_cutoff(1);
     set_crc64_cutoffs(1, SIZE_MAX);
     ((uint64_t*)out)[0] = crc64((uint64_t)seed, (const unsigned char*)input, len);
@@ -164,7 +161,7 @@ void crc64_jones_test2(const void *input, int len, uint32_t seed, void *out)
 
 void crc64_jones_test3(const void *input, int len, uint32_t seed, void *out)
 {
-    pthread_once(&crc64_once_init, crc64_init);
+    if (!crc64_table[0][1]) crc64_init();
     size_t old1 = get_cutoff(0), old2 = get_cutoff(1);
     set_crc64_cutoffs(1, 1);
     ((uint64_t*)out)[0] = crc64((uint64_t)seed, (const unsigned char*)input, len);
@@ -173,6 +170,6 @@ void crc64_jones_test3(const void *input, int len, uint32_t seed, void *out)
 
 void crc64_jones_default(const void *input, int len, uint32_t seed, void *out)
 {
-    pthread_once(&crc64_once_init, crc64_init);
+    if (!crc64_table[0][1]) crc64_init();
     ((uint64_t*)out)[0] = crc64((uint64_t)seed, (const unsigned char*)input, len);
 }
diff --git a/crccombine.c b/crccombine.c
index 4d9a18c6..bf06a3c1 100644
--- a/crccombine.c
+++ b/crccombine.c
@@ -1,6 +1,4 @@
 #include <stdint.h>
-#include <stdio.h>
-#include <strings.h>
 #if defined(__i386__) || defined(__X86_64__)
 #include <immintrin.h>
 #endif