diff -urN procmail-3.22/src/cstdio.c procmail-3.22-hacked/src/cstdio.c
--- procmail-3.22/src/cstdio.c	2000-12-31 19:08:20.000000000 +1300
+++ procmail-3.22-hacked/src/cstdio.c	2005-10-21 13:22:42.484383152 +1300
@@ -266,7 +266,7 @@
 }
 
 /* read a bunch of characters from the LMTP input stream */
-int readL(p,len)char*p;const int len;
+int readL(p,len)char*p;const size_t len;
 { size_t min;
   if(rcbufp==rcbufend)
      refillL();
@@ -282,8 +282,8 @@
  * read exactly len bytes from the LMTP input stream
  * return 1 on success, 0 on EOF, and -1 on read error
  */
-int readLe(p,len)char*p;int len;
-{ long got=rcbufend-rcbufp;
+int readLe(p,len)char*p;size_t len;
+{  off_t got = rcbufend-rcbufp;
   if(got>0)				      /* first, copy from the buffer */
    { if(got>len)			       /* is that more than we need? */
 	got=len;
diff -urN procmail-3.22/src/cstdio.h procmail-3.22-hacked/src/cstdio.h
--- procmail-3.22/src/cstdio.h	2000-12-31 19:08:21.000000000 +1300
+++ procmail-3.22-hacked/src/cstdio.h	2005-10-21 13:22:42.476384368 +1300
@@ -26,6 +26,6 @@
 int
  endoread P((void)),
  getL P((void)),
- readL P((char*,const int)),
- readLe P((char*,int));
+ readL P((char*,const size_t)),
+ readLe P((char*,size_t));
 #endif
diff -urN procmail-3.22/src/formail.c procmail-3.22-hacked/src/formail.c
--- procmail-3.22/src/formail.c	2005-10-21 13:22:14.140692048 +1300
+++ procmail-3.22-hacked/src/formail.c	2005-10-21 13:22:42.509379352 +1300
@@ -304,7 +304,7 @@
 }
 			     /* lifted out of main() to reduce main()'s size */
 static void elimdups(namep,idcache,maxlen,split)const char*const namep;
- FILE*idcache;const long maxlen;const int split;
+ FILE*idcache;const off_t maxlen;const int split;
 { int dupid=0;char*key,*oldnewl;
   key=(char*)namep;		  /* not to worry, no change will be noticed */
   if(!areply)
@@ -313,7 +313,7 @@
 	*(oldnewl=(key=msid->rexp)+msid->rexl-1)='\0';
    }						/* wipe out trailing newline */
   if(key)
-   { long insoffs=maxlen;
+   { off_t insoffs=maxlen;
      while(*key==' ')				     /* strip leading spaces */
 	key++;
      do
@@ -350,7 +350,7 @@
      fseek(idcache,insoffs,SEEK_SET);fwrite(key,1,strlen(key)+1,idcache);
      putc('\0',idcache);			   /* mark new end of buffer */
 dupfound:
-     fseek(idcache,(long)0,SEEK_SET);		 /* rewind, for any next run */
+     fseek(idcache,(off_t)0,SEEK_SET);		 /* rewind, for any next run */
      if(!areply)
 	*oldnewl='\n';				      /* restore the newline */
    }
@@ -366,7 +366,7 @@
 { int i,split=0,force=0,bogus=1,every=0,headreply=0,digest=0,nowait=0,keepb=0,
    minfields=(char*)progid-(char*)progid,conctenate=0,babyl=0,babylstart,
    berkeley=0,forgetclen;
-  long maxlen,ctlength;FILE*idcache=0;pid_t thepid;
+  off_t maxlen,ctlength;FILE*idcache=0;pid_t thepid;
   size_t j,lnl,escaplen;char*chp,*namep,*escap=ESCAP;
   struct field*fldp,*fp2,**afldp,*fdate,*fcntlength,*fsubject,*fFrom_;
   if(lastm)			       /* sanity check, any argument at all? */
diff -urN procmail-3.22/src/lmtp.c procmail-3.22-hacked/src/lmtp.c
--- procmail-3.22/src/lmtp.c	2001-06-29 14:20:51.000000000 +1200
+++ procmail-3.22-hacked/src/lmtp.c	2005-10-21 13:22:42.516378288 +1300
@@ -72,8 +72,8 @@
  protobad[]="503 5.5.1 command unexpected\r\n";
 
 static void bufwrite(buffer,len,flush)
-const char*buffer;int len;int flush;
-{ int already;
+const char*buffer;size_t len;int flush;
+{ size_t already;
   if((already=bufcur-buf2)+len>linebuf||flush)
    { if(already&&already!=rwrite(savstdout,bufcur=buf2,already)||
       len&&len!=rwrite(savstdout,buffer,len))
diff -urN procmail-3.22/src/lockfile.c procmail-3.22-hacked/src/lockfile.c
--- procmail-3.22/src/lockfile.c	2001-09-11 16:58:04.000000000 +1200
+++ procmail-3.22-hacked/src/lockfile.c	2005-10-21 13:22:42.478384064 +1300
@@ -263,7 +263,7 @@
 { return open(name,mode,mask);					     /* stub */
 }
 
-int rwrite(fd,a,len)const int fd;const void*const a;const int len;   /* stub */
+int rwrite(fd,a,len)const int fd;const void*const a;const size_t len;   /* stub */
 { return write(fd,a,len);
 }
 
diff -urN procmail-3.22/src/mailfold.c procmail-3.22-hacked/src/mailfold.c
--- procmail-3.22/src/mailfold.c	2005-10-21 13:22:14.227678824 +1300
+++ procmail-3.22-hacked/src/mailfold.c	2005-10-21 13:22:42.527376616 +1300
@@ -30,7 +30,7 @@
 
 int logopened,rawnonl;
 off_t lasttell;
-static long lastdump;
+static off_t lastdump;
 static volatile int mailread;	/* if the mail is completely read in already */
 static struct dyna_array confield;		  /* escapes, concatenations */
 static const char*realstart,*restbody;
@@ -78,8 +78,8 @@
 #endif /* eMAILBOX_SEPARATOR */
 
 long dump(s,type,source,len)const int s,type;const char*source;
- long len;
-{ int i;long part;
+ size_t len;
+{ int i;size_t part;
   lasttell=i= -1;SETerrno(EBADF);
   if(s>=0)
    { if(ft_lock(type)&&(lseek(s,(off_t)0,SEEK_END),fdlock(s)))
@@ -105,7 +105,7 @@
      goto jin;
      do
       { part=getchunk(s,source,len);
-jin:	while(part&&(i=rwrite(s,source,BLKSIZ<part?BLKSIZ:(int)part)))
+jin:	while(part&&(i=rwrite(s,source, BLKSIZ < part ? BLKSIZ : (size_t)part )))
 	 { if(i<0)
 	      goto writefin;
 	   part-=i;len-=i;source+=i;
diff -urN procmail-3.22/src/mailfold.h procmail-3.22-hacked/src/mailfold.h
--- procmail-3.22/src/mailfold.h	2000-12-31 19:08:34.000000000 +1300
+++ procmail-3.22-hacked/src/mailfold.h	2005-10-21 13:22:42.510379200 +1300
@@ -1,7 +1,7 @@
 /*$Id: mailfold.h,v 1.24 2000/10/25 08:13:20 guenther Exp $*/
 
 long
- dump P((const int s,const int type,const char*source,long len));
+ dump P((const int s,const int type,const char*source,size_t len));
 int
  writefolder P((char*boxname,char*linkfolder,const char*source,long len,
   const int ignwerr,const int dolock));
diff -urN procmail-3.22/src/memblk.c procmail-3.22-hacked/src/memblk.c
--- procmail-3.22/src/memblk.c	2005-10-21 13:22:14.141691896 +1300
+++ procmail-3.22-hacked/src/memblk.c	2005-10-21 13:22:42.535375400 +1300
@@ -29,7 +29,7 @@
 #define set_fd(mb,num)	do{}while(0)
 #endif
 
-void makeblock(mb,len)memblk*const mb;const long len;
+void makeblock(mb,len)memblk*const mb;const off_t len;
 { mb->len=0;mb->p=malloc(1);set_fd(mb,-1);
   if(len)
      resizeblock(mb,len,0);
@@ -51,7 +51,7 @@
 {
 #ifdef USE_MMAP
   if(mb->fd>=0)
-   { long mlen=mb->len+1;
+   { off_t mlen=mb->len+1;
      if(munmap(mb->p,mlen))
 	mmapfailed(mlen);		      /* don't want to continue here */
      if((mb->p=mmap(0,mlen,PROT_READ,MAP_PRIVATE,mb->fd,(off_t)0))==MAP_FAILED)
@@ -62,7 +62,7 @@
 #endif
 }
 
-int resizeblock(mb,len,nonfatal)memblk*const mb;const long len;
+int resizeblock(mb,len,nonfatal)memblk*const mb;const off_t len;
  const int nonfatal;
 { if(len==mb->len)
      goto ret1;
@@ -134,7 +134,7 @@
  read_func_type*read_func;cleanup_func_type*cleanup_func;
  long*const filledp;void*data;
 { int blksiz=BLKSIZ,ok;unsigned int shift=EXPBLKSIZ;
-  long filled= *filledp,origfilled=filled;
+  size_t filled= *filledp,origfilled=filled;
   if(filled<mb->len)		 /* skip the initial resize if we have space */
      goto jumpin;
   for(;;)
@@ -160,7 +160,7 @@
 	   blksiz=newbs;				    /* yes, take me! */
       }
    }
-  if(cleanup_func&&(*cleanup_func)(mb,&filled,origfilled,data))
+  if(cleanup_func&&(*cleanup_func)(mb,(long*)&filled,origfilled,data))
      goto jumpin;
   resizeblock(mb,filled+1,1);		      /* minimise+1 for housekeeping */
   *filledp=filled;				 /* write back the new value */
diff -urN procmail-3.22/src/memblk.h procmail-3.22-hacked/src/memblk.h
--- procmail-3.22/src/memblk.h	2005-10-21 13:22:14.194683840 +1300
+++ procmail-3.22-hacked/src/memblk.h	2005-10-21 13:22:42.473384824 +1300
@@ -1,6 +1,6 @@
 typedef struct memblk {
     char*p;						  /* where it starts */
-    long len;			 /* current size, not including trailing NUL */
+    off_t len;			 /* current size, not including trailing NUL */
 #ifdef USE_MMAP
     off_t filelen;				     /* how long is the file */
     int fd;					   /* file which is mmap()ed */
@@ -11,11 +11,11 @@
 typedef int(cleanup_func_type) P((memblk*,long*,long,void*));
 
 void
- makeblock P((memblk*const,const long)), /* create block of the given length */
+ makeblock P((memblk*const,const off_t)), /* create block of the given length */
  freeblock P((memblk*const)),				    /* deallocate it */
  lockblock P((memblk*const));	   /* protect this block from future changes */
 int							  /* by this process */
- resizeblock P((memblk*const,const long,const int));	  /* change the size */
+ resizeblock P((memblk*const,const off_t,const int));	  /* change the size */
 char		      /* dynamically grow a block to fit data as it comes in */
  *read2blk P((memblk*const,long*const,read_func_type*,cleanup_func_type*,void*));
 
diff -urN procmail-3.22/src/pipes.c procmail-3.22-hacked/src/pipes.c
--- procmail-3.22/src/pipes.c	2005-10-21 13:22:14.185685208 +1300
+++ procmail-3.22-hacked/src/pipes.c	2005-10-21 13:22:42.522377376 +1300
@@ -262,7 +262,7 @@
   return len;
 }
 
-static char*read_read(p,left,data)char*p;long left;void*data;
+static char*read_read(p,left,data)char*p; size_t left;void*data;
 { long got;
   do
      if(0>=(got=rread(STDIN,p,left)))				/* read mail */
@@ -311,7 +311,7 @@
   rclose(PWRI);p=dest;
   if(!forkerr(pidchild,name))
    { name=tstrdup(name);
-     while(0<(i=rread(PRDI,p,(int)max))&&(p+=i,max-=i));    /* read its lips */
+     while(0<(i=rread(PRDI,p,max))&&(p+=i,max-=i));    /* read its lips */
      if(0<rread(PRDI,p,1))
       { nlog("Excessive output quenched from");logqnl(name);
 	setoverflow();
diff -urN procmail-3.22/src/robust.c procmail-3.22-hacked/src/robust.c
--- procmail-3.22/src/robust.c	2001-06-29 14:21:11.000000000 +1200
+++ procmail-3.22-hacked/src/robust.c	2005-10-21 13:22:42.481383608 +1300
@@ -165,13 +165,13 @@
   return i;
 }
 
-int rread(fd,a,len)const int fd,len;void*const a;      /* a SysV secure read */
+int rread(fd,a,len)const int fd; const size_t len; void*const a;      /* a SysV secure read */
 { int i;
   while(0>(i=read(fd,a,(size_t)len))&&errno==EINTR);
   return i;
 }
 						      /* a SysV secure write */
-int rwrite(fd,a,len)const int fd,len;const void*const a;
+int rwrite(fd,a,len)const int fd; const size_t len;const void*const a;
 { int i;
   while(0>(i=write(fd,a,(size_t)len))&&errno==EINTR);
   return i;
diff -urN procmail-3.22/src/robust.h procmail-3.22-hacked/src/robust.h
--- procmail-3.22/src/robust.h	2001-06-29 14:21:11.000000000 +1200
+++ procmail-3.22-hacked/src/robust.h	2005-10-21 13:22:42.533375704 +1300
@@ -18,7 +18,7 @@
  rpipe P((int fd[2])),
  rdup P((const int p)),
  rclose P((const int fd)),
- rread P((const int fd,void*const a,const int len)),
- rwrite P((const int fd,const void*const a,const int len));
+ rread P((const int fd,void*const a,const size_t len)),
+ rwrite P((const int fd,const void*const a,const size_t len));
 
 extern mode_t cumask;