freeldp.c

来自「speech signal process tools」· C语言 代码 · 共 36 行

#include <system.h>
#include	<stdio.h>
#include	"filehdr.h"
#include	"ldfcn.h"
#include	"lddef.h"

/* static char *sccs_id = "@(#)freeldp.c	1.2 12/8/89 ESI, ATT"; */
int
freeldptr(ldptr)
LDFILE	*ldptr;
{

    extern LDLIST	*_ldhead;

    LDLIST		*ldindx;

    if (ldptr != NULL) {
	if (_ldhead == (LDLIST *) ldptr) {
	    _ldhead = _ldhead->ld_next;
	    free(ldptr);
	    return(SUCCESS);
	} else {
	    for (ldindx = _ldhead; ldindx != NULL; ldindx = ldindx->ld_next) {
		if (ldindx->ld_next == (LDLIST *) ldptr) {
		    ldindx->ld_next = ((LDLIST *) ldptr)->ld_next;
		    free(ldptr);
		    return(SUCCESS);
		}
	    }
	}
    }

    return(FAILURE);
}