Gecko [ georgetownmover.com ]

Name	Size	Permission	Date
bezrkdos.c	28.28 KB	-rw-r--r--	2023-01-11 06:22
drivers.bat	963 B	-rwxr-xr-x	2023-01-11 06:22
drivraux.bat	923 B	-rw-r--r--	2023-01-11 06:22
dummy.h	1.49 KB	-rw-r--r--	2023-01-11 06:22
dummydos.c	20.03 KB	-rw-r--r--	2023-01-11 06:22
env_dos.c	8.31 KB	-rw-r--r--	2023-01-11 06:22
env_dos.h	2.12 KB	-rw-r--r--	2023-01-11 06:22
fdstring.c	2.76 KB	-rw-r--r--	2023-01-11 06:22
fdstring.h	1.05 KB	-rw-r--r--	2023-01-11 06:22
fs_dos.c	1.38 KB	-rw-r--r--	2023-01-11 06:22
ftl_dos.c	955 B	-rw-r--r--	2023-01-11 06:22
makefile	2.79 KB	-rw-r--r--	2023-01-11 06:22
mkautaux.bat	980 B	-rw-r--r--	2023-01-11 06:22
mkauths.bat	980 B	-rwxr-xr-x	2023-01-11 06:22
mtestdbw.bat	889 B	-rw-r--r--	2023-01-11 06:22
mtestdnf.bat	880 B	-rw-r--r--	2023-01-11 06:22
mtestdnv.bat	882 B	-rw-r--r--	2023-01-11 06:22
mtestdpc.bat	925 B	-rw-r--r--	2023-01-11 06:22
mtestdwa.bat	884 B	-rw-r--r--	2023-01-11 06:22
mtestwsk.bat	905 B	-rw-r--r--	2023-01-11 06:22
mtxdos.c	26.44 KB	-rw-r--r--	2023-01-11 06:22
nl_dos.c	1.7 KB	-rw-r--r--	2023-01-11 06:22
os_dbw.c	2.18 KB	-rw-r--r--	2023-01-11 06:22
os_dbw.h	1.02 KB	-rw-r--r--	2023-01-11 06:22
os_dnf.c	2.37 KB	-rw-r--r--	2023-01-11 06:22
os_dnf.h	1.07 KB	-rw-r--r--	2023-01-11 06:22
os_dnv.c	2.35 KB	-rw-r--r--	2023-01-11 06:22
os_dnv.h	1.02 KB	-rw-r--r--	2023-01-11 06:22
os_dpc.c	2.56 KB	-rw-r--r--	2023-01-11 06:22
os_dpc.h	1016 B	-rw-r--r--	2023-01-11 06:22
os_dwa.c	1.74 KB	-rw-r--r--	2023-01-11 06:22
os_dwa.h	1.02 KB	-rw-r--r--	2023-01-11 06:22
os_wsk.c	1.18 KB	-rw-r--r--	2023-01-11 06:22
os_wsk.h	1.11 KB	-rw-r--r--	2023-01-11 06:22
pmatch.c	2.79 KB	-rw-r--r--	2023-01-11 06:22
tcp_dos.c	11.57 KB	-rw-r--r--	2023-01-11 06:22
tcp_dos.h	1.31 KB	-rw-r--r--	2023-01-11 06:22
tcp_dwa.c	8.88 KB	-rw-r--r--	2023-01-11 06:22
tcp_dwa.h	1.21 KB	-rw-r--r--	2023-01-11 06:22
tcp_wsk.c	23.36 KB	-rw-r--r--	2023-01-11 06:22
tcp_wsk.h	1.38 KB	-rw-r--r--	2023-01-11 06:22
write.c	1.74 KB	-rw-r--r--	2023-01-11 06:22

Rename

/* ========================================================================
 * Copyright 1988-2007 University of Washington
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 
 * ========================================================================
 */

/*
 * Program:	File descriptor string routines
 *
 * Author:	Mark Crispin
 *		Networks and Distributed Computing
 *		Computing & Communications
 *		University of Washington
 *		Administration Building, AG-44
 *		Seattle, WA  98195
 *		Internet: MRC@CAC.Washington.EDU
 *
 * Date:	15 April 1997
 * Last Edited:	4 April 2007
 */

#include "mail.h"
#include "osdep.h"
#include "misc.h"
#include "fdstring.h"

/* String driver for fd stringstructs */

static void fd_string_init (STRING *s,void *data,unsigned long size);
static char fd_string_next (STRING *s);
static void fd_string_setpos (STRING *s,unsigned long i);

STRINGDRIVER fd_string = {
  fd_string_init,		/* initialize string structure */
  fd_string_next,		/* get next byte in string structure */
  fd_string_setpos		/* set position in string structure */
};

/* Initialize string structure for fd stringstruct
 * Accepts: string structure
 *	    pointer to string
 *	    size of string
 */

static void fd_string_init (STRING *s,void *data,unsigned long size)
{
  FDDATA *d = (FDDATA *) data;
				/* note fd */
  s->data = (void *) (unsigned long) d->fd;
  s->data1 = d->pos;		/* note file offset */
  s->size = size;		/* note size */
  s->curpos = s->chunk = d->chunk;
  s->chunksize = (unsigned long) d->chunksize;
  s->offset = 0;		/* initial position */
				/* and size of data */
  s->cursize = min (s->chunksize,size);
				/* move to that position in the file */
  lseek (d->fd,d->pos,L_SET);
  read (d->fd,s->chunk,(size_t) s->cursize);
}

/* Get next character from fd stringstruct
 * Accepts: string structure
 * Returns: character, string structure chunk refreshed
 */

static char fd_string_next (STRING *s)
{
  char c = *s->curpos++;	/* get next byte */
  SETPOS (s,GETPOS (s));	/* move to next chunk */
  return c;			/* return the byte */
}

/* Set string pointer position for fd stringstruct
 * Accepts: string structure
 *	    new position
 */

static void fd_string_setpos (STRING *s,unsigned long i)
{
  if (i > s->size) i = s->size;	/* don't permit setting beyond EOF */
  s->offset = i;		/* set new offset */
  s->curpos = s->chunk;		/* reset position */
				/* set size of data */
  if (s->cursize = min (s->chunksize,SIZE (s))) {
				/* move to that position in the file */
    lseek ((long) s->data,s->data1 + s->offset,L_SET);
    read ((long) s->data,s->curpos,(size_t) s->cursize);
  }
}