From dd385a413c92d53a1f792011e1029d7d68e19c6c Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Tue, 29 Aug 2023 23:02:42 +0200
Subject: tests: fix everything broken by the pipe change

god, those tests are a mess. so are esemaphores.
---
 src/libc/esemaphore.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'src/libc/esemaphore.c')

diff --git a/src/libc/esemaphore.c b/src/libc/esemaphore.c
index 2707d11..8e1d7b8 100644
--- a/src/libc/esemaphore.c
+++ b/src/libc/esemaphore.c
@@ -5,7 +5,7 @@
 #include <esemaphore.h>
 
 void esem_signal(struct evil_sem *sem) {
-	_sys_write(sem->signal, NULL, 0, 0, 0);
+	_sys_write(sem->signal, "", 1, 0, 0);
 }
 
 void esem_wait(struct evil_sem *sem) {
@@ -15,6 +15,7 @@ void esem_wait(struct evil_sem *sem) {
 struct evil_sem *esem_new(int value) {
 	hid_t ends_wait[2], ends_signal[2];
 	struct evil_sem *sem;
+	char dummy;
 
 	if (value < 0) return NULL;
 	if (_sys_pipe(ends_wait, 0) < 0) return NULL;
@@ -23,9 +24,9 @@ struct evil_sem *esem_new(int value) {
 
 	if (!_sys_fork(FORK_NOREAP, NULL)) {
 		close(ends_signal[1]);
-		while (_sys_read(ends_signal[0], NULL, 0, 0) >= 0) {
+		while (_sys_read(ends_signal[0], &dummy, 1, 0) > 0) {
 			if (!_sys_fork(FORK_NOREAP, NULL)) {
-				_sys_write(ends_wait[1], NULL, 0, 0, 0);
+				_sys_write(ends_wait[1], "", 1, 0, 0);
 				exit(0);
 			}
 		}
-- 
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