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694 user890104 1 
//
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//
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//    Copyright 2011 user890104
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//
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//
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//    This file is part of ipoddfu.
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//
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//    ipoddfu is free software: you can redistribute it and/or
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//    modify it under the terms of the GNU General Public License as
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//    published by the Free Software Foundation, either version 2 of the
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//    License, or (at your option) any later version.
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//
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//    ipoddfu is distributed in the hope that it will be useful,
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//    but WITHOUT ANY WARRANTY; without even the implied warranty of
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//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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//    See the GNU General Public License for more details.
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//
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//    You should have received a copy of the GNU General Public License along
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//    with ipoddfu.  If not, see <http://www.gnu.org/licenses/>.
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//
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//
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#include <stdio.h>
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972 user890104 26 
#include <libusb.h>
694 user890104 27 
 
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#include "misc.h"
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const char *libusb_error_messages[13] =
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{
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    "No error",                // LIBUSB_SUCCESS = 0
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    "Input/output error",      // LIBUSB_ERROR_IO = -1
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    "Invalid parameter",       // LIBUSB_ERROR_INVALID_PARAM = -2
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    "Access denied",           // LIBUSB_ERROR_ACCESS = -3
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    "No such device",          // LIBUSB_ERROR_NO_DEVICE = -4
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    "Entity not found",        // LIBUSB_ERROR_NOT_FOUND = -5
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    "Resource busy",           // LIBUSB_ERROR_BUSY = -6
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    "Operation timed out",     // LIBUSB_ERROR_TIMEOUT = -7
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    "Overflow",                // LIBUSB_ERROR_OVERFLOW = -8
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    "Pipe error",              // LIBUSB_ERROR_PIPE = -9
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    "System call interrupted", // LIBUSB_ERROR_INTERRUPTED = -10
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    "Insufficient memory",     // LIBUSB_ERROR_NO_MEM = -11
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    "Operation not supported", // LIBUSB_ERROR_NOT_SUPPORTED = -12
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};
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long int fgetsize(FILE *fp)
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{
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    static long int pos, size;
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    if (-1L == (pos = ftell(fp)))
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    {
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        perror("ftell");
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        return -1L;
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    }
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    if(fseek(fp, 0L, SEEK_END))
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    {
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        perror("fseek");
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        return -1L;
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    }
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    if (-1L == (size = ftell(fp)))
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    {
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        perror("ftell");
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        return -1L;
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    }
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    if (fseek(fp, pos, SEEK_SET))
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    {
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        perror("fseek");
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        return -1L;
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    }
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    return size;
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}
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void dump_packet(const unsigned char *data, const unsigned int length)
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{
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    static unsigned int i;
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    for (i = 0; i < length; ++i)
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    {
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        printf("%02x ", data[i]);
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        if (i % 4 == 3)
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        {
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            printf(" ");
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        }
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        if (i % 16 == 15 && i + 1 < length)
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        {
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            printf("\n");
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        }
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    }
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    printf("\n");
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}
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void print_error(const int code)
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{
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    if (code > 0)
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    {
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        fprintf(stderr, "error: code %d\n", code);
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    }
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    else
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    {
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        fprintf(stderr, "libusb error: %s (code %d)\n", (
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            LIBUSB_ERROR_OTHER == code || code > 0 ?
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                "unspecified" : libusb_error_messages[-code]
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        ), code);
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    }
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}