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   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /***************************************************************************
   4  *   Copyright (C) 2007 by Dominic Rath                                    *
   5  *   Dominic.Rath@gmx.de                                                   *
   6  *                                                                         *
   7  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   8  *   oyvind.harboe@zylin.com                                               *
   9  *                                                                         *
  10  *   Copyright (C) 2008 by Spencer Oliver                                  *
  11  *   spen@spen-soft.co.uk                                                  *
  12  ***************************************************************************/
  13
  14 #ifndef OPENOCD_HELPER_FILEIO_H
  15 #define OPENOCD_HELPER_FILEIO_H
  16
  17 #include "types.h"
  18
  19 #define FILEIO_MAX_ERROR_STRING         (128)
  20
  21 enum fileio_type {
  22         FILEIO_TEXT,
  23         FILEIO_BINARY,
  24 };
  25
  26 enum fileio_access {
  27         FILEIO_NONE,            /* open without any access (invalid mode) */
  28         FILEIO_READ,            /* open for reading, position at beginning */
  29         FILEIO_WRITE,           /* open for writing, position at beginning */
  30         FILEIO_READWRITE,       /* open for writing, position at beginning, allow reading */
  31         FILEIO_APPEND,          /* open for writing, position at end */
  32         FILEIO_APPENDREAD,      /* open for writing, position at end, allow reading */
  33 };
  34
  35 struct fileio;
  36
  37 int fileio_open(struct fileio **fileio, const char *url,
  38                 enum fileio_access access_type, enum fileio_type type);
  39 int fileio_close(struct fileio *fileio);
  40 int fileio_feof(struct fileio *fileio);
  41
  42 int fileio_seek(struct fileio *fileio, size_t position);
  43 int fileio_fgets(struct fileio *fileio, size_t size, void *buffer);
  44
  45 int fileio_read(struct fileio *fileio,
  46                 size_t size, void *buffer, size_t *size_read);
  47 int fileio_write(struct fileio *fileio,
  48                 size_t size, const void *buffer, size_t *size_written);
  49
  50 int fileio_read_u32(struct fileio *fileio, uint32_t *data);
  51 int fileio_write_u32(struct fileio *fileio, uint32_t data);
  52 int fileio_size(struct fileio *fileio, size_t *size);
  53
  54 #define ERROR_FILEIO_LOCATION_UNKNOWN                   (-1200)
  55 #define ERROR_FILEIO_NOT_FOUND                                  (-1201)
  56 #define ERROR_FILEIO_OPERATION_FAILED                   (-1202)
  57 #define ERROR_FILEIO_ACCESS_NOT_SUPPORTED               (-1203)
  58 #define ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN              (-1204)
  59 #define ERROR_FILEIO_OPERATION_NOT_SUPPORTED    (-1205)
  60
  61 #endif /* OPENOCD_HELPER_FILEIO_H */