filled in a few more formatting routines; linking with libgcc.a to work with 64-bit unsigned integer division/modulus

git-svn-id: svn://anubis/hos/trunk@45 5b3e749e-e535-0410-8002-a9bb6afbdfca

kernel/lang/kio.cc

@@ -2,6 +2,7 @@
 #include "kio.h"
 #include "string.h"
 
+#include <limits.h>
 #include <stdarg.h>                 /* va_*() */
 
 static void fmt_d2a(char * buf, int val);
@@ -95,7 +96,7 @@ void kputs(char * s)
 
 static void fmt_d2a(char * buf, int val)
 {
-    if (val == 0x7FFFFFFF)
+    if (val == INT_MIN)
     {
         strcpy(buf, "-2147483648");
     }
@@ -112,14 +113,55 @@ static void fmt_d2a(char * buf, int val)
 
 static void fmt_u2a(char * buf, unsigned int val)
 {
+    bool printing = false;
+    for (unsigned int div = 1000000000; div >= 1; div /= 10)
+    {
+        unsigned int n = val / div;
+        if (n)
+        {
+            printing = true;
+        }
+        if (printing)
+        {
+            *buf++ = '0' + (val % div);
+        }
+        val -= n * div;
+    }
 }
 
 static void fmt_ll2a(char * buf, long long val)
 {
+    if (val == LONG_LONG_MIN)
+    {
+        strcpy(buf, "-9223372036854775808");
+    }
+    else
+    {
+        if (val < 0)
+        {
+            *buf++ = '-';
+            val = -val;
+        }
+        fmt_ull2a(buf, (unsigned long long) val);
+    }
 }
 
 static void fmt_ull2a(char * buf, unsigned long long val)
 {
+    bool printing = false;
+    for (unsigned long long div = 10000000000000000000ull; div >= 1; div /= 10)
+    {
+        unsigned long long n = val / div;
+        if (n)
+        {
+            printing = true;
+        }
+        if (printing)
+        {
+            *buf++ = '0' + (val % div);
+        }
+        val -= n * div;
+    }
 }
 
 static void fmt_x2a(char * buf, unsigned int val)