library/3053: dlsym(NULL, "foo") segfaults

>Number: 3053
>Category: library
>Synopsis: dlsym(NULL, "foo") segfaults, breaking Single Unix
>Confidential: no
net
>Environment:

	System      : OpenBSD 2.8
	Architecture: OpenBSD.i386
	Machine     : i386

>Description:

	dlsym(NULL, "foo") always segfaults; Single Unix v3 requires that
	""
	If handle does not refer to a valid object opened by dlopen(), 
	or if the named symbol cannot be found within any of the
	objects associated with handle, dlsym() shall return NULL.
	""
  

>How-To-Repeat:

#include 
#include 
#include 

int main(int argc, char **argv)
{

        dlsym(NULL, "foo");
        return 0;

>Fix:

>Release-Note:
Received on Mon Dec 30 08:45:41 2002