51 lines
921 B
C
51 lines
921 B
C
/*
|
|
** Copyright 1998 - 1999 Double Precision, Inc. See COPYING for
|
|
** distribution information.
|
|
*/
|
|
|
|
/*
|
|
** $Id$
|
|
*/
|
|
#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);
|
|
}
|