Mercurial > hg > Members > kaito > longjump

comparison pointer_longjump.c @ 5:4e7858590985

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remove malloc , free and include<stdlib.h>
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Sat, 23 Nov 2013 23:31:02 +0900
parents d75a89b10176
children 509523ee1e27
comparison
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4:d75a89b10176 5:4e7858590985
1 #include <stdio.h> 1 #include <stdio.h>
2 #include <setjmp.h> 2 #include <setjmp.h>
3 #include <stdlib.h>
4 3
5 __code code1(int n,__code(*__return)(int,void *,int *),void *__environment,int *__ret_p){ 4 __code code1(int n,__code(*__return)(int,void *,int *),void *__environment,int *__ret_p){
6 printf("code1 : code entry1\n"); 5 printf("code1 : code entry1\n");
7 goto __return(n,__environment,__ret_p); 6 goto __return(n,__environment,__ret_p);
8 } 7 }
13 longjmp(*(jmp_buf*)env,1); 12 longjmp(*(jmp_buf*)env,1);
14 } 13 }
15 14
16 int main1 (){ 15 int main1 (){
17 __code (*__return)(); 16 __code (*__return)();
18 void *__environment; 17 void *__environment ;
19 int retval; 18 int retval;
20 int *__ret_p; 19 int *__ret_p;
20 jmp_buf j_buf;
21 __ret_p = &retval; 21 __ret_p = &retval;
22 printf("main1 : main1 entry\n"); 22 printf("main1 : main1 entry\n");
23 __environment = (void*)malloc(sizeof(jmp_buf)); 23 __environment = &j_buf;
24 if (setjmp(__environment)){ 24 if (setjmp(__environment)){
25 free(__environment);
26 printf("main1 : main1 return\n"); 25 printf("main1 : main1 return\n");
27 return retval; 26 return retval;
28 } 27 }
29 __return = return1; 28 __return = return1;
30 goto code1(30,__return,__environment,__ret_p); 29 goto code1(30,__return,__environment,__ret_p);