From 274cf8281ee6feb9615f4e0aca7734ecbb21c347 Mon Sep 17 00:00:00 2001
From: lohhiiccc <loic@lohic.dev>
Date: Fri, 12 Jun 2026 13:09:21 +0200
Subject: [PATCH] feat: ft_strcmp

---
 Makefile          |  1 +
 src/ft_strcmp.asm | 24 ++++++++++++++++++++++++
 src/mylib.h       |  2 +-
 3 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 src/ft_strcmp.asm

diff --git a/Makefile b/Makefile
index c6482c1..38b83be 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,7 @@ SHARED_LIB=lib$(LIB_NAME).so
 
 SRCS=$(SRC_DIR)/ft_strlen.asm \
      $(SRC_DIR)/ft_strcpy.asm \
+		 $(SRC_DIR)/ft_strcmp.asm
 
 OBJS=$(patsubst $(SRC_DIR)/%.asm,$(OBJ_DIR)/%.o,$(SRCS))
 DEPS=$(OBJS:.o=.d)
diff --git a/src/ft_strcmp.asm b/src/ft_strcmp.asm
new file mode 100644
index 0000000..003abb8
--- /dev/null
+++ b/src/ft_strcmp.asm
@@ -0,0 +1,24 @@
+global ft_strcmp
+section .text
+
+;rdi: const char *p1
+;rsi: const char *p2
+ft_strcmp:
+
+.loop
+	movzx	r10, byte [rdi]
+	inc		rdi
+	movzx	r11, byte [rsi]
+	inc		rsi
+
+	cmp		r10,		0x0
+	je .done
+
+
+	cmp		r10, r11
+	je		.loop
+
+.done:
+	mov		rax, 	r10
+	sub		rax, r11
+	ret
diff --git a/src/mylib.h b/src/mylib.h
index 9b70800..b12f01a 100644
--- a/src/mylib.h
+++ b/src/mylib.h
@@ -8,7 +8,7 @@ extern "C" {
 
 size_t	ft_strlen(char *str);
 char		*ft_strcpy(char *dest, const char *src);
-
+int			ft_strcmp (const char *p1, const char *p2);
 
 #ifdef __cplusplus
 }