83 lines
1.4 KiB
C
83 lines
1.4 KiB
C
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/*
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** Copyright 1998 - 1999 Double Precision, Inc. See COPYING for
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** distribution information.
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "rfc2045.h"
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#ifdef __WINDOWS__
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#define NUMBUFSIZE 60
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#define HAS_GETHOSTNAME 1
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#include <windows.h>
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#else
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#define NUMBUFSIZE 60
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#endif
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/* $Id$ */
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#if HAS_GETHOSTNAME
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#else
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extern int gethostname(char *, size_t);
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#endif
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extern void rfc2045_enomem();
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char *rfc2045_mk_boundary(struct rfc2045 *s, int fd)
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{
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char pidbuf[NUMBUFSIZE];
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char timebuf[NUMBUFSIZE];
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char cntbuf[60];
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int cnt=0;
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time_t mytime;
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#ifndef __WINDOWS__
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char hostnamebuf[256];
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pid_t mypid;
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#endif
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char *p;
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int rc;
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time(&mytime);
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#ifdef __WINDOWS__
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sprintf(pidbuf, "%ld", GetCurrentThreadId());
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sprintf(timebuf, "%ld", (long)mytime);
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#else
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hostnamebuf[sizeof(hostnamebuf)-1]=0;
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if (gethostname(hostnamebuf, sizeof(hostnamebuf)-1))
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hostnamebuf[0]=0;
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mypid=getpid();
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sprintf(pidbuf, "%d", mypid);
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sprintf(timebuf, "%ld", mytime);
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#endif
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for (;;)
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{
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sprintf(cntbuf, "%d", ++cnt);
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p=malloc(strlen(pidbuf)+strlen(timebuf)+
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strlen(cntbuf)+10);
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if (!p)
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{
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rfc2045_enomem();
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return (NULL);
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}
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sprintf(p, "=_%s-%s-%s", pidbuf, timebuf, cntbuf);
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if ((rc=rfc2045_try_boundary(s, fd, p)) == 0)
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break;
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free(p);
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if (rc < 0)
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return (NULL);
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}
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return (p);
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}
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