From af70f178d8fe801d05fe83d00a09509834f4f65c Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sat, 1 Jul 2017 14:32:21 +0200
Subject: added a strlcat

---
 src/gui/text_widget.c |  7 +++++++
 src/gui/text_widget.h |  2 ++
 src/libc/string.c     | 24 ++++++++++++++++++++++++
 src/libc/string.h     |  1 +
 4 files changed, 34 insertions(+)

(limited to 'src')

diff --git a/src/gui/text_widget.c b/src/gui/text_widget.c
index db237af..dc12c11 100644
--- a/src/gui/text_widget.c
+++ b/src/gui/text_widget.c
@@ -62,3 +62,10 @@ void text_widget_set_text( void *obj, const char *s )
 	strlcpy( widget->s, s, TEXT_WIDGET_MAX_TEXT_SIZE );
 }
 
+void text_widget_on_key_down( void *obj, char c )
+{
+}
+
+void text_widget_on_key_up( void *obj, char c )
+{
+}
diff --git a/src/gui/text_widget.h b/src/gui/text_widget.h
index 7e87a3c..4919e26 100644
--- a/src/gui/text_widget.h
+++ b/src/gui/text_widget.h
@@ -20,5 +20,7 @@ void text_widget_init( text_widget_t *widget, widget_t *parent, const int x, con
 
 void text_widget_draw( void *obj, graphics_context_t *context );
 void text_widget_set_text( void *obj, const char *s );
+void text_widget_on_key_down( void *obj, char c );
+void text_widget_on_key_up( void *obj, char c );
 
 #endif // TEXT_WIDGET_H
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;
+}	
diff --git a/src/libc/string.h b/src/libc/string.h
index fc29ae9..6c0fa01 100644
--- a/src/libc/string.h
+++ b/src/libc/string.h
@@ -10,5 +10,6 @@ void *memcpy( void *d, const void *s, size_t n );
 size_t strlen( const char *s );
 int strcmp( const char *s1, const char *s2 );
 size_t strlcpy( char *d, const char *s, size_t n );
+size_t strlcat( char *d, const char *s, size_t n );
 
 #endif // STRING_H
-- 
cgit v1.2.3-54-g00ecf