file_io/unix/fileio.h

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    distribution.
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 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 *    not be used to endorse or promote products derived from this
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 */

#ifndef FILE_IO_H
#define FILE_IO_H

#include "apr.h"
#include "apr_private.h"
#include "apr_general.h"
#include "apr_file_io.h"
#include "apr_errno.h"
#include "apr_lib.h"

/* System headers the file I/O library needs */
#if APR_HAVE_FCNTL_H
#include <fcntl.h>
#endif
#if APR_HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if APR_HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#endif
#if HAVE_STRINGS_H
#include <strings.h>
#endif
#if APR_HAVE_DIRENT_H
#include <dirent.h>
#endif
#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if APR_HAVE_STDIO_H
#include <stdio.h>
#endif
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if APR_HAVE_SYS_UIO_H
#include <sys/uio.h>
#endif
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef BEOS
#include <kernel/OS.h>
#endif
/* BeOS still defines fd_set in sys/socket.h so include it here.
 * I'm not just including it as most platforms won't need it...
 */
#if BEOS_BONE
#include <sys/socket.h> /* for fd_set definitions */
#endif
/* End System headers */

#define APR_FILE_BUFSIZE 4096

struct apr_file_t {
    apr_pool_t *cntxt;
    int filedes;
    char * fname;
    int oflags;
    int eof_hit;
    int pipe;
    apr_interval_time_t timeout;
    int buffered;
    enum {BLK_UNKNOWN, BLK_OFF, BLK_ON } blocking;
    int ungetchar;    /* Last char provided by an unget op. (-1 = no char)*/

    /* Stuff for buffered mode */
    char *buffer;
    int bufpos;               /* Read/Write position in buffer */
    unsigned long dataRead;   /* amount of valid data read into buffer */
    int direction;            /* buffer being used for 0 = read, 1 = write */
    unsigned long filePtr;    /* position in file of handle */
#if APR_HAS_THREADS
    struct apr_lock_t *thlock;
#endif
};

struct apr_dir_t {
    apr_pool_t *cntxt;
    char *dirname;
    DIR *dirstruct;
    struct dirent *entry;
};

apr_status_t apr_unix_file_cleanup(void *);

mode_t apr_unix_perms2mode(apr_fileperms_t perms);
apr_fileperms_t apr_unix_mode2perms(mode_t mode);

#endif  /* ! FILE_IO_H */