From d82b18c90710baf16239257272a740488fddf11c Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sun, 22 Nov 2020 19:22:31 +0100
Subject: Added file-based HTTP server

And fixed/added some other things
---
 libc/inc/str.h |  2 ++
 libc/str.c     | 16 ++++++++++++++++
 2 files changed, 18 insertions(+)

(limited to 'libc')

diff --git a/libc/inc/str.h b/libc/inc/str.h
index 65774e7..3156fb2 100644
--- a/libc/inc/str.h
+++ b/libc/inc/str.h
@@ -7,8 +7,10 @@
 
 u32 strlen(const char *s);
 char *strcpy(char *dst, const char *src);
+char *strncpy(char *dst, const char *src, u32 n);
 char *strchr(const char *s, int c);
 char *strcat(char *dst, const char *src);
+char *strncat(char *dst, const char *src, u32 n);
 int strcmp(const char *s1, const char *s2);
 int strncmp(const char *s1, const char *s2, u32 n);
 char *strinv(char *s);
diff --git a/libc/str.c b/libc/str.c
index d1ee325..7f6d782 100644
--- a/libc/str.c
+++ b/libc/str.c
@@ -24,6 +24,16 @@ char *strcpy(char *dst, const char *src)
 	return dst;
 }
 
+char *strncpy(char *dst, const char *src, u32 n)
+{
+	char *q = dst;
+
+	while (n-- && (*dst++ = *src++))
+		;
+
+	return q;
+}
+
 int strcmp(const char *s1, const char *s2)
 {
 	const u8 *c1 = (const u8 *)s1;
@@ -73,6 +83,12 @@ char *strcat(char *dst, const char *src)
 	return dst;
 }
 
+char *strncat(char *dst, const char *src, u32 n)
+{
+	strncpy(strchr(dst, '\0'), src, n);
+	return dst;
+}
+
 char *strinv(char *s)
 {
 	u32 s_str = strlen(s);
-- 
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