From 69e6fe89fa9baafeca3e3515bb50897cd8ee7c35 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Mon, 15 Dec 2025 18:24:54 +0100
Subject: Add getauxval and cleanup libc startup

---
 lib/libc/stdio/fdopen.c   | 14 +++++---------
 lib/libc/stdio/fmemopen.c |  7 ++++---
 lib/libc/stdio/fopen.c    | 16 +++++++++-------
 lib/libc/stdio/stdin.c    |  8 ++++----
 lib/libc/stdio/stdout.c   |  5 ++---
 5 files changed, 24 insertions(+), 26 deletions(-)

(limited to 'lib/libc/stdio')

diff --git a/lib/libc/stdio/fdopen.c b/lib/libc/stdio/fdopen.c
index c5db3854..bded5f27 100644
--- a/lib/libc/stdio/fdopen.c
+++ b/lib/libc/stdio/fdopen.c
@@ -1,10 +1,7 @@
-#include "__stdio.h"   // for __FILE, __libc_fadd
-#include "features.h"  // for __weak
-#include "stdatomic.h" // for atomic_flag_clear
-#include "stddef.h"    // for NULL
-
-#include <stdio.h>  // for FILE, _IONBF, SEEK_END, _IOLBF, fdopen
-#include <stdlib.h> // for calloc, free
+#include "__stdio.h" // for __FILE, __libc_fadd
+#include <stdio.h>   // for FILE, _IONBF, SEEK_END, _IOLBF, fdopen
+#include <stdlib.h>  // for calloc, free
+#include <sys/cdefs.h>
 #include <unistd.h> // for lseek, off_t
 
 __weak void __stdio_cleanup(void)
@@ -15,8 +12,7 @@ FILE *fdopen(int fildes, const char *mode)
 {
 	FILE *stream;
 
-	if (mode == NULL ||
-	    (mode[0] != 'r' && mode[0] != 'w' && mode[0] != 'a')) {
+	if (mode == NULL || (mode[0] != 'r' && mode[0] != 'w' && mode[0] != 'a')) {
 		return NULL;
 	}
 
diff --git a/lib/libc/stdio/fmemopen.c b/lib/libc/stdio/fmemopen.c
index 920484b3..e1b2ccff 100644
--- a/lib/libc/stdio/fmemopen.c
+++ b/lib/libc/stdio/fmemopen.c
@@ -1,6 +1,5 @@
-#include "__stdio.h"  // for __FILE, __libc_fadd
-#include "features.h" // for __weak
-#include "stddef.h"   // for NULL
+#include "__stdio.h" // for __FILE, __libc_fadd
+#include "stddef.h"  // for NULL
 
 #include <errno.h>  // for EINVAL, errno
 #include <fcntl.h>  // for O_WRONLY, O_CREAT, O_RDONLY, O_APPEND, O_RDWR
@@ -8,6 +7,8 @@
 #include <stdlib.h> // for calloc, free
 #include <string.h> // for strchr
 
+#include <sys/cdefs.h>
+
 __weak void __stdio_cleanup(void)
 {
 }
diff --git a/lib/libc/stdio/fopen.c b/lib/libc/stdio/fopen.c
index bef21f46..5415e711 100644
--- a/lib/libc/stdio/fopen.c
+++ b/lib/libc/stdio/fopen.c
@@ -1,13 +1,11 @@
-#include "__stdio.h"   // for __FILE, __libc_fadd
-#include "features.h"  // for __weak
-#include "stdatomic.h" // for atomic_flag_clear
-#include "stddef.h"    // for NULL
+#include <__stdio.h>
 
 #include <errno.h>  // for EINVAL, errno
 #include <fcntl.h>  // for O_WRONLY, O_CREAT, O_RDONLY, open, O_APPEND
 #include <stdio.h>  // for FILE, BUFSIZ, fopen, _IOLBF
 #include <stdlib.h> // for calloc, free, malloc
 #include <string.h> // for strchr
+#include <sys/cdefs.h>
 #include <unistd.h> // for close
 
 __weak void __stdio_cleanup(void)
@@ -36,10 +34,12 @@ FILE *fopen(const char *restrict pathname, const char *restrict mode)
 		flags = (flags & ~(O_RDONLY | O_WRONLY)) | O_RDWR;
 	}
 
-	if ((fd = open(pathname, flags, _mode)) < 0)
+	fd = open(pathname, flags, _mode);
+	if (fd < 0)
 		return NULL;
 
-	if ((stream = calloc(1, sizeof(FILE))) == NULL)
+	stream = calloc(1, sizeof(struct __FILE));
+	if (stream == NULL)
 		return NULL;
 
 	__FILE(stream)->fd = fd;
@@ -48,7 +48,9 @@ FILE *fopen(const char *restrict pathname, const char *restrict mode)
 	__FILE(stream)->type = _IOLBF;
 	atomic_flag_clear(&__FILE(stream)->lock);
 
-	if ((__FILE(stream)->buf = malloc(BUFSIZ)) == NULL) {
+	__FILE(stream)->buf = malloc(BUFSIZ);
+
+	if (__FILE(stream)->buf == NULL) {
 		close(fd);
 		free(stream);
 		return NULL;
diff --git a/lib/libc/stdio/stdin.c b/lib/libc/stdio/stdin.c
index 45d42e27..0d127efa 100644
--- a/lib/libc/stdio/stdin.c
+++ b/lib/libc/stdio/stdin.c
@@ -1,8 +1,8 @@
-#include "__stdio.h"  // for __FILE
-#include "features.h" // for __weak
+#include "__stdio.h" // for __FILE
 
-#include <fcntl.h>  // for O_RDONLY
-#include <stdio.h>  // for FILE, stdin
+#include <fcntl.h> // for O_RDONLY
+#include <stdio.h> // for FILE, stdin
+#include <sys/cdefs.h>
 #include <unistd.h> // for STDOUT_FILENO
 
 #define BUFSIZ 4096
diff --git a/lib/libc/stdio/stdout.c b/lib/libc/stdio/stdout.c
index 14637368..471a54b9 100644
--- a/lib/libc/stdio/stdout.c
+++ b/lib/libc/stdio/stdout.c
@@ -1,11 +1,10 @@
-#include "__stdio.h"   // for __FILE, __libc_fadd
-#include "features.h"  // for __weak
-#include "stdatomic.h" // for ATOMIC_FLAG_INIT, atomic_flag
+#include "__stdio.h" // for __FILE, __libc_fadd
 
 #include <atomic.h> // for LIBC_LOCK, LIBC_UNLOCK
 #include <fcntl.h>  // for O_WRONLY
 #include <stddef.h> // for NULL
 #include <stdio.h>  // for stdout
+#include <sys/cdefs.h>
 #include <unistd.h> // for STDOUT_FILENO
 
 #define BUFSIZ 4096
-- 
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