libvhdi(3)

NAME
libvhdi.h - Library to access the Virtual Hard Disk (VHD) image format

SYNOPSIS
#include <libvhdi.h>

Support functions
const char *
libvhdi_get_version(void);
int
libvhdi_get_access_flags_read(void);
int
libvhdi_get_access_flags_read_write(void);
int
libvhdi_get_access_flags_write(void);
int
libvhdi_get_codepage(int *codepage, libvhdi_error_t **error);
int
libvhdi_set_codepage(int codepage, libvhdi_error_t **error);
int
libvhdi_check_file_signature(const char *filename, libvhdi_error_t **error);

Available when compiled with wide character string support:
int
libvhdi_check_file_signature_wide(const wchar_t *filename, libvhdi_error_t **error);

Available when compiled with libbfio support:
int
libvhdi_check_file_signature_file_io_handle(libbfio_handle_t *file_io_handle, libvhdi_error_t **error);

Notify functions
void
libvhdi_notify_set_verbose(int verbose);
int
libvhdi_notify_set_stream(FILE *stream, libvhdi_error_t **error);
int
libvhdi_notify_stream_open(const char *filename, libvhdi_error_t **error);
int
libvhdi_notify_stream_close(libvhdi_error_t **error);

Error functions
void
libvhdi_error_free(libvhdi_error_t **error);
int
libvhdi_error_fprint(libvhdi_error_t *error, FILE *stream);
int
libvhdi_error_sprint(libvhdi_error_t *error, char *string, size_t size);
int
libvhdi_error_backtrace_fprint(libvhdi_error_t *error, FILE *stream);
int
libvhdi_error_backtrace_sprint(libvhdi_error_t *error, char *string, size_t size);

File functions
int
libvhdi_file_initialize(libvhdi_file_t **file, libvhdi_error_t **error);
int
libvhdi_file_free(libvhdi_file_t **file, libvhdi_error_t **error);
int
libvhdi_file_signal_abort(libvhdi_file_t *file, libvhdi_error_t **error);
int
libvhdi_file_open(libvhdi_file_t *file, const char *filename, int access_flags, libvhdi_error_t **error);
int
libvhdi_file_close(libvhdi_file_t *file, libvhdi_error_t **error);
ssize_t
libvhdi_file_read_buffer(libvhdi_file_t *file, void *buffer, size_t buffer_size, libvhdi_error_t **error);
ssize_t
libvhdi_file_read_buffer_at_offset(libvhdi_file_t *file, void *buffer, size_t buffer_size, off64_t offset, libvhdi_error_t **error);
off64_t
libvhdi_file_seek_offset(libvhdi_file_t *file, off64_t offset, int whence, libvhdi_error_t **error);
int
libvhdi_file_get_offset(libvhdi_file_t *file, off64_t *offset, libvhdi_error_t **error);
int
libvhdi_file_set_parent_file(libvhdi_file_t *file, libvhdi_file_t *parent_file, libvhdi_error_t **error);

Available when compiled with wide character string support:
int
libvhdi_file_open_wide(libvhdi_file_t *file, const wchar_t *filename, int access_flags, libvhdi_error_t **error);

Available when compiled with libbfio support:
int
libvhdi_file_open_file_io_handle(libvhdi_file_t *file, libbfio_handle_t *file_io_handle, int access_flags, libvhdi_error_t **error);

Meta data functions
int
libvhdi_file_get_file_type(libvhdi_file_t *file, int *file_type, libvhdi_error_t **error);
int
libvhdi_file_get_format_version(libvhdi_file_t *file, uint16_t *major_version, uint16_t *minor_version, libvhdi_error_t **error);
int
libvhdi_file_get_disk_type(libvhdi_file_t *file, uint32_t *disk_type, libvhdi_error_t **error);
int
libvhdi_file_get_media_size(libvhdi_file_t *file, size64_t *media_size, libvhdi_error_t **error);
int
libvhdi_file_get_bytes_per_sector(libvhdi_file_t *file, uint32_t *bytes_per_sector, libvhdi_error_t **error);
int
libvhdi_file_get_identifier(libvhdi_file_t *file, uint8_t *guid_data, size_t guid_data_size, libvhdi_error_t **error);
int
libvhdi_file_get_parent_identifier(libvhdi_file_t *file, uint8_t *guid_data, size_t guid_data_size, libvhdi_error_t **error);
int
libvhdi_file_get_utf8_parent_filename_size(libvhdi_file_t *file, size_t *utf8_string_size, libvhdi_error_t **error);
int
libvhdi_file_get_utf8_parent_filename(libvhdi_file_t *file, uint8_t *utf8_string, size_t utf8_string_size, libvhdi_error_t **error);
int
libvhdi_file_get_utf16_parent_filename_size(libvhdi_file_t *file, size_t *utf16_string_size, libvhdi_error_t **error);
int
libvhdi_file_get_utf16_parent_filename(libvhdi_file_t *file, uint16_t *utf16_string, size_t utf16_string_size, libvhdi_error_t **error);

DESCRIPTION
The libvhdi_get_version() function is used to retrieve the library version.

RETURN VALUES
Most of the functions return NULL or -1 on error, dependent on the return type. For the actual return values see "libvhdi.h".

ENVIRONMENT
None

FILES
None

NOTES
libvhdi can be compiled with wide character support (wchar_t).

To compile libvhdi with wide character support use: ./configure --enable-wide-character-type=yes or define: _UNICODE or UNICODE during compilation.

LIBVHDI_WIDE_CHARACTER_TYPE in libvhdi/features.h can be used to determine if libvhdi was compiled with wide character support.

BUGS
Please report bugs of any kind on the project issue tracker: https://github.com/libyal/libvhdi/issues

AUTHOR
These man pages are generated from "libvhdi.h".

COPYRIGHT
Copyright (C) 2012-2025, Joachim Metz <joachim.metz@gmail.com>.

This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

SEE ALSO
the libvhdi.h include file