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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1997-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* Glenn Fowler
* AT&T Research
*/
#include <ast.h>
#include <dlldefs.h>
/*
* dlsym() with `_' weak fallback
*/
void*
dlllook(void* dll, const char* name)
{
register void* addr;
char buf[256];
if (!(addr = dlsym(dll, name)) && strlen(name) < (sizeof(buf) - 2))
{
buf[0] = '_';
strcpy(buf + 1, name);
addr = dlsym(dll, buf);
}
return addr;
}
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