STLport

Bugs item #2151096, was opened at 2008-10-07 18:48
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Category: General code
Group: 5.1
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Maxim Yanchenko (enerjazzer)
Assigned to: Nobody/Anonymous (nobody)
Summary: operator>>(void*&) doesn't work

Initial Comment:
Hi, it looks like operator>>(void*&) doesn't work (i.e. the default num_get::do_get(...,void*&) doesn't work). 

See this simple test: 

#include <iostream> 
#include <sstream> 
#include <stdio.h> 

int main() 
{ 
  int q=5; 
  void *x1=&q, *x2=0, *x3=0; 
  std::cerr << "x1: " << x1 << std::endl; 
  std::cerr << "x2: " << x2 << std::endl; 
  std::stringstream ss; 
  ss << x1; 
  ss >> x2; 
  std::cerr << "x2: " << x2 << std::endl; 

  char sss[256] = ""; 
  fprintf(stderr, "x1 = %p\n", x1); 
  fprintf(stderr, "x3 = %p\n", x3); 
  sprintf(sss, "%p", x1); 
  sscanf(sss, "%p", &x3); 
  fprintf(stderr, "x3 = %p\n", x3); 
} 

compiling with gcc 3.4.6. 

output with gcc standard library: 
x1: 0x7fbffff11c 
x2: 0 
x2: 0x7fbffff11c 
x1 = 0x7fbffff11c 
x3 = (nil) 
x3 = 0x7fbffff11c 

output with STLPort 5.1.5: 
x1: 0x0000007fbffff11c 
x2: 000000000000000000 
x2: 000000000000000000 
x1 = 0x7fbffff11c 
x3 = (nil) 
x3 = 0x7fbffff11c 

same locale settings. 

As you can see, STLPort fails to load a pointer. 

According to the Standard, it should work both ways as printf/scanf's %p, which is two-way working. 

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[stlport-bugs] [ stlport-Bugs-2151096 ] operator>>(void*&) doesn't work

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