From ceb9471fed96f907e37a6ba031825c31167a8ff4 Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Mon, 21 Apr 2025 16:45:28 -0400
Subject: update userland to compile

---
 user/lib/fread.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 user/lib/fread.c

(limited to 'user/lib/fread.c')

diff --git a/user/lib/fread.c b/user/lib/fread.c
new file mode 100644
index 0000000..f8d0ad8
--- /dev/null
+++ b/user/lib/fread.c
@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <unistd.h>
+
+FILE *stdin = (void *)0;
+
+int getchar(void)
+{
+	return fgetc(stdin);
+}
+
+int getc(FILE *stream)
+{
+	return fgetc(stream);
+}
+
+int fgetc(FILE *stream)
+{
+	int c;
+	if (fread(&c, 1, 1, stream) < 1)
+		return EOF;
+	return c;
+}
+
+char *gets(char *str)
+{
+	char *s = str;
+	while (1) {
+		char c = fgetc(stdin);
+		if (c == '\n' || c == EOF || c == '\0')
+			break;
+		*(str++) = c;
+	}
+	*str = '\0';
+	return s;
+}
+
+char *fgets(char *restrict str, int size, FILE *stream)
+{
+	if (size < 1)
+		return NULL;
+
+	char *s = str;
+	while (size > 1) {
+		char c = fgetc(stream);
+		if (c == '\n' || c == EOF || c == '\0')
+			break;
+		*(str++) = c;
+		size--;
+	}
+
+	*str = '\0';
+	return s;
+}
+
+size_t fread(void *restrict ptr, size_t size, size_t n, FILE *restrict stream)
+{
+	int fd = (uintptr_t)stream;
+	char *restrict buf = ptr;
+
+	for (size_t i = 0; i < n; i++)
+		if (read(fd, buf + i * size, size) < 1)
+			return i;
+
+	return n;
+}
-- 
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