added a strlcat

1 files changed, 24 insertions, 0 deletions

diff --git a/src/libc/string.c b/src/libc/string.c
index 904f33c..2dd351d 100644
--- a/src/libc/string.c
+++ b/src/libc/string.c
@@ -88,3 +88,27 @@ size_t strlcpy( char *d, const char *s, size_t n )
 	
 	return len;
 }
+
+size_t strlcat( char *d, const char *s, size_t n )
+{
+	size_t len = 0;
+	const char *ss = s;
+	char *dd = d;
+	
+	while( len < n && *dd != '\0' ) {
+		len++;
+		dd++;
+	}
+	
+	if( len == n ) {
+		return len + strlen( s );
+	}
+	
+	while( len + 1 < n && ( *dd++ = *ss++ ) ) {
+		len++;
+	}
+	
+	*dd = '\0';
+	
+	return len;
+}