2014-09-23 16:40 GMT-03:00 Marco Atzeri <marco.atz...@gmail.com>:
> On 23/09/2014 20:43, Paulo César Pereira de Andrade wrote:
>>
>> Hi,
>>
>> Forgive me if this is expected. I am probably abusing dlsym
>> behavior on other systems.
>
>
> It will be much more clear if you
Sorry for not clear initial problem description.
> 1) produce a simple small complete test case,
$ cat x.c
extern int sprintf(char*,char*, ...);
extern int puts(char*);
extern void *dlsym(void*, char*);
char buff[128];
int main(void) {
int (*fn)(char*,char*,...);
sprintf(buff, "%.1f", 1.0);
puts(buff);
fn = dlsym((void*)0, "sprintf");
(*fn)(buff, "%.1f", 1.0);
puts(buff);
return 0;
}
$ gcc -O0 -g3 x.c
> 2) explain the outcome you obtain (or not)
$ ./a.exe
1.0
f
> 3) explain the result you are expecting.
The expected result would be:
$ ./a.exe
1.0
1.0
> I had difficulties to understand what you are asking us.
>
> Marco
Thanks,
Paulo
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