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/* list_undefined.c -- return a list of strings containing the names of the
undefined symbols. */
/* This file is part of DLD, a dynamic link/unlink editor for C.
Copyright (C) 1990 by W. Wilson Ho.
The author can be reached electronically by how@cs.ucdavis.edu or
through physical mail at:
W. Wilson Ho
Division of Computer Science
University of California at Davis
Davis, CA 95616
*/
/* This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 1, or (at your option) any
later version. */
#include "defs.h"
/*
* Return an array of strings, each of which is the name of an undefined
* symbol. Return 0 if there is no undefined symbol.
*
* The caller is responsible to free this array.
*/
char **
dld_list_undefined_sym ()
{
register symbol *sp;
register int i;
register int count = 0;
register char **list;
if (!dld_undefined_sym_count)
return 0;
if (setjmp (_dld_env))
return 0;
list = (char **) _dld_malloc (sizeof(char *) * dld_undefined_sym_count);
for (i=0; i<TABSIZE; i++)
for (sp = _dld_symtab[i]; sp; sp = sp->link)
if (!sp->defined) {
list[count++] = sp->name;
if (count >= dld_undefined_sym_count)
break;
}
return list;
} /* dld_list_undefined_sym */
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