# HG changeset patch
# User Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
# Date 1384402606 -32400
# Node ID d75a89b101767001004a574140dc8d18262c6c8b
# Parent  e6aa3b678e4ab7a929e72af5b73845755caf236b
write pointer_longjump.c

diff -r e6aa3b678e4a -r d75a89b10176 global_longjump.c
--- a/global_longjump.c	Tue Nov 12 15:22:04 2013 +0900
+++ b/global_longjump.c	Thu Nov 14 13:16:46 2013 +0900
@@ -3,9 +3,10 @@
 #include <stdlib.h>
 
 int retval;
-__code code1(int n,__code(*__return)(int,void *),void *__enviroment){
+
+__code code1(int n,__code(*__return)(int,void *),void *__environment){
   printf("code1 : code1 entry\n");
-  goto __return(n,__enviroment);
+  goto __return(n,__environment);
 }
 
 __code return1 (int n,void* env){
@@ -16,16 +17,16 @@
 
 int main1 (){
   __code (*__return)();
-  void *__enviroment;
+  void *__environment;
   printf("main1 : main1 entry\n");
-  __enviroment = (void*)malloc(sizeof(jmp_buf));
-  if (setjmp(__enviroment)){
-    free(__enviroment);
+  __environment = (void*)malloc(sizeof(jmp_buf));
+  if (setjmp(__environment)){
+    free(__environment);
     printf("main1 : main1 return\n");
     return retval;
   }
   __return = return1;
-  goto code1(30,__return,__enviroment);
+  goto code1(30,__return,__environment);
   return 0;
 }
 
diff -r e6aa3b678e4a -r d75a89b10176 pointer_longjump.c
--- a/pointer_longjump.c	Tue Nov 12 15:22:04 2013 +0900
+++ b/pointer_longjump.c	Thu Nov 14 13:16:46 2013 +0900
@@ -2,35 +2,32 @@
 #include <setjmp.h>
 #include <stdlib.h>
 
-__code code1(int n,void *__return,void *__enviroment,int *__ret_p){
-  void(*ret)(int,void *,int *);
-  printf("code1\n");
-  ret = (void(*)(int,void *,int *))__return;
-  ret(n,__enviroment,__ret_p);
-  //((void(*)(int,void *,int *))__return)(n,__enviroment,__ret_p);
+__code code1(int n,__code(*__return)(int,void *,int *),void *__environment,int *__ret_p){
+  printf("code1 : code entry1\n");
+  goto __return(n,__environment,__ret_p);
 }
 
-void *return1 (int n,void* env,int* __ret_p){
-  printf("return1\n");
+__code return1 (int n,void* env,int* __ret_p){
+  printf("return1 : __return entry\n");
   *__ret_p = n;
   longjmp(*(jmp_buf*)env,1);
 }
 
 int main1 (){
-  void *__return;
-  void *__enviroment;
+  __code (*__return)();
+  void *__environment;
+  int  retval;
   int  *__ret_p;
-  printf("main1 entry\n");
-  __enviroment = (void*)malloc(sizeof(jmp_buf));
-  __ret_p = (int*)malloc(sizeof(int));
-  if (setjmp(__enviroment)){
-    free(__enviroment);
-    printf("main1 return\n");
-    // We haven't freed __ret_p's memory... Where is the best position of the free()?
-    return *__ret_p;
+  __ret_p = &retval;
+  printf("main1 : main1 entry\n");
+  __environment = (void*)malloc(sizeof(jmp_buf));
+  if (setjmp(__environment)){
+    free(__environment);
+    printf("main1 : main1 return\n");
+    return retval;
   }
-  __return = (void*)return1;
-  goto code1(30,__return,__enviroment,__ret_p);
+  __return = return1;
+  goto code1(30,__return,__environment,__ret_p);
   return 0;
 }