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util.c(3) libmtp util.c(3)

NAME

libmtp - 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_tn)

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_tn, uint32_tdump_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 intdev_number, const intid_vendor, const intid_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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Wed Apr 19 2017 Version 1.1.12