From a3469d648a4d0f276d979ceb14b8716b46f4f72e Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Wed, 6 Oct 2021 06:28:04 +0000
Subject: init: printf base

---
 src/init/stdlib.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/init/stdlib.h')

diff --git a/src/init/stdlib.h b/src/init/stdlib.h
index 1cabc7a..357a396 100644
--- a/src/init/stdlib.h
+++ b/src/init/stdlib.h
@@ -5,3 +5,5 @@
 //      stb-style header file
 
 int memcmp(const void *s1, const void *s2, size_t n);
+
+int printf(const char *fmt, ...);
-- 
cgit v1.2.3


From 381f9b26bd31072530d795c38c19ce3dd69954a6 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Wed, 6 Oct 2021 06:32:29 +0000
Subject: init: implement strlen

---
 src/init/stdlib.c | 6 ++++++
 src/init/stdlib.h | 2 ++
 2 files changed, 8 insertions(+)

(limited to 'src/init/stdlib.h')

diff --git a/src/init/stdlib.c b/src/init/stdlib.c
index ac80c28..56d6da6 100644
--- a/src/init/stdlib.c
+++ b/src/init/stdlib.c
@@ -13,6 +13,12 @@ int memcmp(const void *s1, const void *s2, size_t n) {
 	return 0;
 }
 
+size_t strlen(const char *s) {
+	size_t c = 0;
+	while (*s++) c++;
+	return c;
+}
+
 int printf(const char *fmt, ...) {
 	const char *seg = fmt; // beginning of the current segment
 	int total = 0;
diff --git a/src/init/stdlib.h b/src/init/stdlib.h
index 357a396..3e56beb 100644
--- a/src/init/stdlib.h
+++ b/src/init/stdlib.h
@@ -6,4 +6,6 @@
 
 int memcmp(const void *s1, const void *s2, size_t n);
 
+size_t strlen(const char *s);
+
 int printf(const char *fmt, ...);
-- 
cgit v1.2.3