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/*
** Copyright 1998 - 2009 Double Precision, Inc.
** See COPYING for distribution information.
*/
/*
*/
#include "rfc822.h"
#include <stdlib.h>
static void cntlen(char c, void *p)
{
c=c;
++ *(size_t *)p;
}
static void cntlensep(const char *p, void *ptr)
{
while (*p) cntlen(*p++, ptr);
}
static void saveaddr(char c, void *ptr)
{
*(*(char **)ptr)++=c;
}
static void saveaddrsep(const char *p, void *ptr)
{
while (*p) saveaddr(*p++, ptr);
}
char *rfc822_getaddrs(const struct rfc822a *rfc)
{
size_t addrbuflen=0;
char *addrbuf, *ptr;
if (rfc822_print(rfc, &cntlen, &cntlensep, &addrbuflen) < 0)
return NULL;
if (!(addrbuf=malloc(addrbuflen+1)))
return (0);
ptr=addrbuf;
if (rfc822_print(rfc, &saveaddr, &saveaddrsep, &ptr) < 0)
{
free(addrbuf);
return NULL;
}
addrbuf[addrbuflen]=0;
return (addrbuf);
}
static void saveaddrsep_wrap(const char *p, void *ptr)
{
int c;
while ((c=*p++) != 0)
{
if (c == ' ') c='\n';
saveaddr(c, ptr);
}
}
char *rfc822_getaddrs_wrap(const struct rfc822a *rfc, int w)
{
size_t addrbuflen=0;
char *addrbuf, *ptr, *start, *lastnl;
if (rfc822_print(rfc, &cntlen, &cntlensep, &addrbuflen) < 0)
return NULL;
if (!(addrbuf=malloc(addrbuflen+1)))
return (0);
ptr=addrbuf;
if (rfc822_print(rfc, &saveaddr, &saveaddrsep_wrap, &ptr) < 0)
{
free(addrbuf);
return NULL;
}
addrbuf[addrbuflen]=0;
for (lastnl=0, start=ptr=addrbuf; *ptr; )
{
while (*ptr && *ptr != '\n') ptr++;
if (ptr-start < w)
{
if (lastnl) *lastnl=' ';
lastnl=ptr;
if (*ptr) ++ptr;
}
else
{
if (lastnl)
start=lastnl+1;
else
{
start=ptr+1;
if (*ptr) ++ptr;
}
lastnl=0;
}
}
return (addrbuf);
}
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