util.c(3)

NAME
util.c

SYNOPSIS

#include <sys/time.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include 'config.h'
#include 'libmtp.h'
#include 'util.h'

  Functions
void device_unknown (const int dev_number, const int id_vendor, const int id_product)
void data_dump (FILE *f, void *buf, uint32_t n)
void data_dump_ascii (FILE *f, void *buf, uint32_t n, uint32_t dump_boundry)
char * strndup (const char *s, size_t n)

Detailed Description

This file contains generic utility functions such as can be used for debugging for example.

Copyright (C) 2005-2007 Linus Walleij triad@df.lth.se

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Function Documentation

  void data_dump (FILE * f, void * buf, uint32_t n)
This dumps out a number of bytes to a textual, hexadecimal dump.

Parameters
    f the file to dump to (e.g. stdout or stderr)
    buf a pointer to the buffer containing the bytes to be dumped out in hex
    n the number of bytes to dump from this buffer

  void data_dump_ascii (FILE * f, void * buf, uint32_t n, uint32_t dump_boundry)
This dumps out a number of bytes to a textual, hexadecimal dump, and also prints out the string ASCII representation for each line of bytes. It will also print the memory address offset from a certain boundry.

Parameters
    f the file to dump to (e.g. stdout or stderr)
    buf a pointer to the buffer containing the bytes to be dumped out in hex
    n the number of bytes to dump from this buffer
    dump_boundry the address offset to start at (usually 0)

  void device_unknown (const int dev_number, const int id_vendor, const int id_product)
This prints to stdout info about device being UNKNOWN, its ids, and libmtp's version number.

Parameters
    dev_number the device number
    id_vendor vendor ID from the usb_device_desc struct
    id_product product ID from the usb_device_desc struct

Referenced by LIBMTP_Detect_Raw_Devices().

Author

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