code example

[Cristian Baboi]

On Tue, 25 Sep 2007 02:04:26 +0300, Bruno Haible <address@hidden> wrote:
> Thank you for reporting this. Indeed, a call to va_copy is missing here,
> since a va_list can only be traversed once, not twice. I have applied the
> appended patch. But I don't understand the need for va_copy in the second
> part of your patch. Why should that be needed?

The following code give segfault on RHEL4 AS x86_64 if compiled with -m32
flag.
#include <stdio.h>

typedef struct {
  float a;
  float b;
} pt[1];

pt* f(pt *p){
    return p;
};

pt* g(pt p){
    return f(&p);
};

main(){
pt x,*y;
    x[1].a=1.1;
    x[1].b=1.2;
    y=g(x);
};

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