some big renames into subdirs of aspects

updated README
removed size_t in sys/types.h and sys/types.h itself, size_t is in stddef.h

1 files changed, 75 insertions, 0 deletions

diff --git a/src/libc/string.c b/src/libc/string.c
new file mode 100644
index 0000000..8d4f876
--- /dev/null
+++ b/src/libc/string.c
@@ -0,0 +1,75 @@
+#include "string.h"
+
+void *memset( void *s, int c, size_t n )
+{
+	for( size_t i = 0; i < n; i++ ) {
+		((char *)s)[i] = c;
+	}
+	
+	return s;
+}
+
+void *memmove( void *d, const void *s, size_t n )
+{
+	const char *ss = (const char *)s;
+	char *dd = (char *)d;
+	
+	if( dd == ss ) return d;
+	
+	if( dd <= ss ) {
+		while( n > 0 ) {
+			*dd++ = *ss++;
+			n--;
+		}
+	} else {
+		dd += n;
+		ss += n;
+		while( n > 0 ) {
+			*--dd = *--ss;
+			n--;
+		}
+	}
+	
+	return d;
+}
+
+size_t strlen( const char *s )
+{
+	size_t len;
+	const char *p = s;
+	
+	for( len = 0; *p; len++, p++ );
+	
+	return len;
+}
+
+int strcmp( const char *s1, const char *s2 )
+{
+	while( *s1 && *s2 && *s1 == *s2 ) {
+		s1++;
+		s2++;
+	}
+
+	return *s1 - *s2;
+}
+
+size_t strlcpy( char *d, const char *s, size_t n )
+{
+	size_t len = 0;
+	
+	while( len < n && s[len] != '\0' ) {
+		d[len] = s[len];
+		len++;
+	}
+	d[len] = '\0';
+	
+	while( s[len] != '\0' ) {
+		len++;
+	}
+	
+	if( len >= n ) {
+		d[n-1] = '\0';
+	}
+	
+	return len;
+}