wiretap/file_wrappers.h

   1 /** @file
   2  *
   3  * Wiretap Library
   4  * Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
   5  *
   6  * SPDX-License-Identifier: GPL-2.0-or-later
   7  */
   8
   9 #ifndef __WTAP_FILE_WRAPPERS_H__
  10 #define __WTAP_FILE_WRAPPERS_H__
  11
  12 #include <wireshark.h>
  13 #include "wtap.h"
  14 #include <wsutil/file_util.h>
  15
  16 extern FILE_T file_open(const char *path);
  17 extern FILE_T file_fdopen(int fildes);
  18 extern void file_set_random_access(FILE_T stream, bool random_flag, GPtrArray *seek);
  19 WS_DLL_PUBLIC int64_t file_seek(FILE_T stream, int64_t offset, int whence, int *err);
  20 WS_DLL_PUBLIC int64_t file_tell(FILE_T stream);
  21 extern int64_t file_tell_raw(FILE_T stream);
  22 extern int file_fstat(FILE_T stream, ws_statb64 *statb, int *err);
  23 WS_DLL_PUBLIC bool file_iscompressed(FILE_T stream);
  24 WS_DLL_PUBLIC int file_read(void *buf, unsigned int count, FILE_T file);
  25 WS_DLL_PUBLIC int file_peekc(FILE_T stream);
  26 WS_DLL_PUBLIC int file_getc(FILE_T stream);
  27 WS_DLL_PUBLIC char *file_gets(char *buf, int len, FILE_T stream);
  28 WS_DLL_PUBLIC char *file_getsp(char *buf, int len, FILE_T stream);
  29 WS_DLL_PUBLIC int file_eof(FILE_T stream);
  30 WS_DLL_PUBLIC int file_error(FILE_T fh, char **err_info);
  31 extern void file_clearerr(FILE_T stream);
  32 extern void file_fdclose(FILE_T file);
  33 extern bool file_fdreopen(FILE_T file, const char *path);
  34 extern void file_close(FILE_T file);
  35
  36 #if defined (HAVE_ZLIB) || defined (HAVE_ZLIBNG)
  37 typedef struct wtap_writer *GZWFILE_T;
  38
  39 extern GZWFILE_T gzwfile_open(const char *path);
  40 extern GZWFILE_T gzwfile_fdopen(int fd);
  41 extern unsigned gzwfile_write(GZWFILE_T state, const void *buf, unsigned len);
  42 extern int gzwfile_flush(GZWFILE_T state);
  43 extern int gzwfile_close(GZWFILE_T state);
  44 extern int gzwfile_geterr(GZWFILE_T state);
  45 #endif /* HAVE_ZLIB */
  46
  47 #ifdef HAVE_LZ4
  48 typedef struct lz4_writer *LZ4WFILE_T;
  49
  50 extern LZ4WFILE_T lz4wfile_open(const char *path);
  51 extern LZ4WFILE_T lz4wfile_fdopen(int fd);
  52 extern size_t lz4wfile_write(LZ4WFILE_T state, const void *buf, size_t len);
  53 extern int lz4wfile_flush(LZ4WFILE_T state);
  54 extern int lz4wfile_close(LZ4WFILE_T state);
  55 extern int lz4wfile_geterr(LZ4WFILE_T state);
  56 #endif
  57
  58 #endif /* __FILE_H__ */