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/*
** Copyright 1998 - 1999 Double Precision, Inc. See COPYING for
** distribution information.
*/
/*
*/
#include "rfc2045.h"
#include <ctype.h>
struct rfc2045findstruct {
const char *partnum;
struct rfc2045 *ptr;
} ;
static void do_decode(struct rfc2045 *p, struct rfc2045id *id, void *ptr)
{
struct rfc2045findstruct *fs=(struct rfc2045findstruct *)ptr;
const char *partnum=fs->partnum;
unsigned n;
while (id)
{
if (!isdigit((int)(unsigned char)*partnum)) return;
n=0;
while (isdigit((int)(unsigned char)*partnum))
n=n*10 + *partnum++ - '0';
if (*partnum)
{
if (*partnum != '.') return;
++partnum;
}
if (n != (unsigned)id->idnum) return;
id=id->next;
}
if ( *partnum == '\0') fs->ptr=p;
}
struct rfc2045 *rfc2045_find(struct rfc2045 *p, const char *str)
{
struct rfc2045findstruct fs;
fs.partnum=str;
fs.ptr=0;
rfc2045_decode(p, &do_decode, &fs);
return (fs.ptr);
}
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