From 89882c943fee708706a302f0679d8a041190576d Mon Sep 17 00:00:00 2001
From: Marrub <marrub--@users.noreply.github.com>
Date: Mon, 21 Nov 2016 01:03:52 -0500
Subject: [PATCH] stdlib: Add Lth_ceilk and Lth_fractk

stdlib: Change memcpy calls to memmove calls
stdlib: Optimize Lth_PrintString with hacks
---
 lithos_c/inc/Lth_stdlib.h |  5 +++++
 lithos_c/src/stdlib.c     | 33 ++++++++++++++++++++++++++++-----
 2 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/lithos_c/inc/Lth_stdlib.h b/lithos_c/inc/Lth_stdlib.h
index 8681b35..232a891 100644
--- a/lithos_c/inc/Lth_stdlib.h
+++ b/lithos_c/inc/Lth_stdlib.h
@@ -16,6 +16,7 @@
 #define Lth_isidenti(c) \
    (isalnum(c) || c == '_' || c == '$' || c == '\'' || c > 0x80)
 
+#define Lth_integk(n) ((int_k_t)(n))
 
 
 // Extern Functions ----------------------------------------------------------|
@@ -40,6 +41,10 @@ wchar_t *Lth_wcsdupstr(char const *s);
 // mbs
 size_t Lth_mbslen(char const *s);
 
+// accum
+int Lth_ceilk(_Accum n);
+_Accum Lth_fractk(_Accum n);
+
 // Print
 void Lth_PrintString(char const *s);
 
diff --git a/lithos_c/src/stdlib.c b/lithos_c/src/stdlib.c
index 8c61559..a5469ec 100644
--- a/lithos_c/src/stdlib.c
+++ b/lithos_c/src/stdlib.c
@@ -17,6 +17,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <ctype.h>
+#include "Lth_stdfix.h"
 
 #define GenStrHash() \
    if(s == NULL) return 0; \
@@ -50,7 +51,7 @@ char *Lth_strdup(char const *s)
 {
    size_t len = strlen(s);
    char *ret = malloc(len + 1);
-   memcpy(ret, s, len);
+   memmove(ret, s, len);
    ret[len] = '\0';
    return ret;
 }
@@ -101,7 +102,7 @@ char *Lth_strealoc(char *p, char const *s)
 {
    size_t len = strlen(s);
    p = realloc(p, len + 1);
-   memcpy(p, s, len);
+   memmove(p, s, len);
    p[len] = '\0';
    return p;
 }
@@ -150,7 +151,7 @@ wchar_t *Lth_wcsdup(wchar_t const *s)
 {
    size_t   len = wcslen(s);
    wchar_t *ret = malloc(sizeof(wchar_t) * (len + 1));
-   wmemcpy(ret, s, len);
+   wmemmove(ret, s, len);
    ret[len] = '\0';
    return ret;
 }
@@ -182,9 +183,32 @@ size_t Lth_mbslen(char const *s)
          return ret;
       s += next;
    }
+
    return ret;
 }
 
+//
+// Lth_ceilk
+//
+int Lth_ceilk(_Accum n)
+{
+   union { int_k_t i; _Accum a; } u = { .a = n };
+   if(u.i & 0xFFF1)
+      return u.i &= 0xFFFF0000, u.a + 1;
+   else
+      return (int)u.a;
+}
+
+//
+// Lth_fractk
+//
+_Accum Lth_fractk(_Accum n)
+{
+   union { int_k_t i; _Accum a; } u = { .a = n };
+   u.i &= 0xFFFF;
+   return u.a;
+}
+
 //
 // Lth_PrintString
 //
@@ -192,8 +216,7 @@ size_t Lth_mbslen(char const *s)
 //
 void Lth_PrintString(char const *s)
 {
-   if(s == NULL) return;
-   for(char const *p = s; *p;) ACS_PrintChar(*p++);
+   ACS_PrintGlobalCharArray((int)s, __GDCC__Sta);
 }
 
 //