FirstStep/MainClient.c at master · lchauvet/FirstStep · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
/******************************************************
 *  MainClient.c
 *  Purpose:
 *
 *  @author
 *  @version
 ******************************************************/
#include "lib/inc/PrivateTreatment.h"

#include <stdlib.h>
#include <stdio.h>
#include <dlfcn.h>

typedef int (*T_func1)(int,char*);
typedef int (*T_func2)(int);

T_func1 func1;
T_func2 func2;

/**
	Main function
	@param  argc, int
	@param  argv, char**
	@return int
*/
int main(int argc, char** argv) {
   int      res = 0;
   void*    handle;
   char*    error;

   handle = dlopen("libPrivate.so", RTLD_LAZY);
   if (!handle)
   {
      fprintf(stderr,"%s\n",dlerror());
      exit(1);
   }

   func1 = (T_func1) dlsym(handle,"function1");
   if ((error = dlerror()) != NULL)
   {
     fprintf(stderr,"%s\n",error);
     exit(1);
   }
   res = (int)func1(1,NULL);

   printf("\nIn function %s , function1 return %d\n",__FUNCTION__,res);

   func2 = (T_func2) dlsym(handle,"function2");
   if ((error = dlerror()) != NULL)
   {
     fprintf(stderr,"%s\n",error);
     exit(1);
   }
   res = (int)func2(1);
   printf("\nIn function %s , function2 return %d\n",__FUNCTION__,res);

   dlclose(handle);
   return(0);
}