# HG changeset patch
# User Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
# Date 1430426110 -32400
# Node ID 390cf0523ea7a62d6b0142f7aaa2948d6ad152d1
# Parent  7494c0b87ec47afebbbc2282d492faef1b1c9897
add file

diff -r 7494c0b87ec4 -r 390cf0523ea7 src/llrb/llrb.c
--- a/src/llrb/llrb.c	Fri May 01 05:20:47 2015 +0900
+++ b/src/llrb/llrb.c	Fri May 01 05:35:10 2015 +0900
@@ -266,12 +266,13 @@
 }
 
 __code code5(struct Context* context) {
-    c2 = clock();
-    //printf("%ld %ld\n", context->data[1]->count-1, (long)c2-c1);
     puts("---prev---");
     print_tree(pre, 0);
     puts("---follow---");
     print_tree(context->data[Tree]->tree.root, 0);
+    puts("--Number of Data--");
+    printf("%d\n", context->dataNum);
+    stack_free(pstack);
     goto meta(context, Exit);
 }
 
diff -r 7494c0b87ec4 -r 390cf0523ea7 src/llrb/stack.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/llrb/stack.h	Fri May 01 05:35:10 2015 +0900
@@ -0,0 +1,74 @@
+#include <string.h>
+
+typedef struct {
+    size_t size;
+    int max;
+    int num;
+    void* data;
+} stack, *stack_ptr;
+
+stack_ptr stack_init(size_t size, int max) {
+    stack_ptr stack_ptr;
+    
+    if ((stack_ptr = calloc(1, sizeof(stack))) == NULL)
+        return NULL;
+    
+    if ((stack_ptr->data = calloc(max, size)) == NULL) {
+        free(stack_ptr);
+        return NULL;
+    }
+
+    stack_ptr->size = size;
+    stack_ptr->max = max;
+    stack_ptr->num = 0;
+
+    return stack_ptr;
+}
+
+stack_ptr stack_realloc(stack_ptr stack_ptr, int max) {
+    if (stack_ptr == NULL)
+        return NULL;
+
+    if ((stack_ptr->data = realloc(stack_ptr->data, stack_ptr->size*max)) == NULL)
+        return NULL;
+
+    stack_ptr->max = max;
+
+    return stack_ptr;
+}
+
+void stack_free(stack_ptr stack_ptr) {
+    if (stack_ptr != NULL && stack_ptr->data != NULL) {
+        free(stack_ptr->data);
+        free(stack_ptr);
+    }
+}
+    
+int stack_push(stack_ptr stack_ptr, void* data) {
+    if (stack_ptr->max <= stack_ptr->num)
+        return -1;
+
+    memcpy((char*)stack_ptr->data+stack_ptr->num*stack_ptr->size,  data, stack_ptr->size);
+    stack_ptr->num++;
+
+    return 0;
+}
+
+int stack_pop(stack_ptr stack_ptr, void* data) {
+    if (stack_ptr->num == 0)
+        return -1;
+
+    stack_ptr->num--;
+
+    memcpy(data, (char*)stack_ptr->data+stack_ptr->num*stack_ptr->size, stack_ptr->size);
+
+    return 0;
+}
+
+int isMax(const stack_ptr stack_ptr) {
+    return stack_ptr->max<=stack_ptr->num;
+}
+
+int isEmpty(const stack_ptr stack_ptr) {
+    return stack_ptr->num<=0;
+}