360 lines
8.4 KiB
C
360 lines
8.4 KiB
C
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/*
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* Author: JohnXenox aka Aleksandr Igorevich.
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*
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* Programme name: Backy
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* Description: The programme for backing up a file.
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*
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* Works from command line, only!
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*/
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#define CREATION_DATE "2020.05.17"
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#include <conio.h>
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//#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "Backy-lib.h"
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int date = 0;
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int time = 0;
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char years = 0;
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char months = 0;
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char days = 0;
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char hours = 0;
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char minutes = 0;
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char seconds = 0;
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char *data = 0;
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int length = 0;
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char path_in[4096] = {0};
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char path_out[4096] = {0};
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char num[3] = {0};
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char full_date[25] = {0};
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char ext[] = ".bak";
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char flag = 0;
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int main(int argc, char** argv)
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{
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// ============================================================ //
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// preprocessing arguments from the command line. ============= //
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//
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// 0 argument - name of the programme.
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// 1 argument - path to the file with name that need to be backup.
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// 2 argument - the key (-o).
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// 3 argument - path to the output directory without the name of the file.
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// printf("Number of args: %d\n", argc);
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// printf("Argv 0: %s\n", argv[0]);
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// sprintf("Argv 1: %s\n\n", argv[1]);
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// ============================================================ //
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// preprocess the command line arguments. ===================== //
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if (argc > 1)
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{
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for (int i = 1; i < argc; i++)
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{
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// if found the key "-o", then copy output path into the array "path_out".
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if (*argv[i] == '-') // && (*(argv[i] + 1) == 'o'))
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{
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// printf("Key -o is found!\n");
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i++;
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flag = 1;
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if (i <= argc)
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{
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// copying of a current path into the array "path_out".
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strcpy(path_out, argv[i]);
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// printf("Path output is copyed!\n");
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i++;
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break;
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}
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}
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// if inut path is found, then copy it into the array "path_in".
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if (*argv[i] == '/')
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{
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flag = 2;
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// copying of a current path into the buffer.
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strcpy(path_in, argv[i]);
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if (flag != 1)
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{
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int idx = strlen(path_in);
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while (path_in[idx] != '/')
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{
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idx--;
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}
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strncpy(path_out, path_in, idx);
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}
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// printf("Path input is copyed!\n");
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}
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// if found characters.
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if ( (*argv[i] > '0') && (*argv[i] < '9') || \
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(*argv[i] > 'A') && (*argv[i] < 'Z') || \
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(*argv[i] > 'a') && (*argv[i] < 'z') )
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{
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flag = 3;
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strcpy(path_in, argv[0]);
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// printf("Arg 0 is copyed!\n");
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int idx = strlen(path_in);
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while (path_in[idx] != '/')
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{
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path_in[idx] = 0;
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idx--;
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}
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idx++;
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strcpy(path_out, path_in);
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strcpy(&path_in[idx], argv[1]);
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// printf("Arg 1 is added!\n");
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}
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}
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// if not found the flag, then copy path from "path_in" into "path_out".
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if ((flag == 0) && (flag != 2) && (flag != 3))
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{
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// copying the input path into the output path,
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strcpy(path_out, path_in);
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//printf("Path input is copyed into the path output!\n");
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}
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}
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else
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{
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//con_init_console_dll_param(-1, 23, -1, 23, "Backy");
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if (con_init_console_dll()) return 1; // init fail
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printf("Useful info!");
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printf("\n Name: Backy");
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printf("\n Date: %s", CREATION_DATE);
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printf("\n Description: The programme for backing up a file.\n");
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printf("\n Author: JohnXenox\n");
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printf("\n Usage: backy <path1> <-o path2>\n");
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printf(" path1 - path to a file to be backuped.\n");
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printf(" -o path2 - path to the output directory without the name of a file.\n\n");
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printf(" Examples:\n");
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printf(" backy test.c\n");
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printf(" backy test.c -o /tmp0/1/\n");
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printf(" backy /hd0/1/test.c\n");
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printf(" backy /hd0/1/test.c -o /tmp0/1/\n");
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exit(0);
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return 1;
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}
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//printf("Path_in: %s\n", path_in);
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//printf("Path_out: %s\n", path_out);
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// ============================================================ //
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// getting the time in BCD. =================================== //
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time = getTime(); // time = 0x00SSMMHH.
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hours = (char)time;
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minutes = (char)(time >> 8);
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seconds = (char)(time >> 16);
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// ============================================================ //
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// getting the date in BCD. =================================== //
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date = getDate(); // date = 0x00DDMMYY.
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years = (char)date;
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months = (char)(date >> 8);
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days = (char)(date >> 16);
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// ============================================================ //
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// fills the array with the date in ASCII. ==================== //
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char ofs = 0;
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char *dta = 0;
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for (char i = 0; i < 3; i++)
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{
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if (i == 0)
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{
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dta = &years;
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full_date[ofs] = '2';
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ofs++;
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full_date[ofs] = '0';
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ofs++;
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}
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if (i == 1)
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{
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dta = &months;
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}
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if (i == 2)
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{
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dta = &days;
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}
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itoab(*dta, num, 16);
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if (num[1] == 0)
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{
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full_date[ofs] = '0';
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ofs++;
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full_date[ofs] = num[0];
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}
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else
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{
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full_date[ofs] = num[0];
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ofs++;
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full_date[ofs] = num[1];
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}
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ofs++;
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if (i != 2)
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{
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full_date[ofs] = '.';
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ofs++;
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}
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}
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full_date[ofs] = '_';
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ofs++;
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// ============================================================ //
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// fills the array with the time in ASCII. ==================== //
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ofs = 11;
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dta = 0;
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for (char i = 0; i < 3; i++)
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{
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if (i == 0)
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dta = &hours;
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if (i == 1)
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dta = &minutes;
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if (i == 2)
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dta = &seconds;
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itoab(*dta, num, 16);
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if (num[1] == 0)
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{
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full_date[ofs] = '0';
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ofs++;
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full_date[ofs] = num[0];
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}
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else
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{
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full_date[ofs] = num[0];
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ofs++;
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full_date[ofs] = num[1];
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}
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ofs++;
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if (i < 2)
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{
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full_date[ofs] = '.';
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}
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//else
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//{
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// full_date[ofs] = '_';
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//}
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ofs++;
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}
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// ============================================================ //
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// adding the name of the input file to the output path. ====== //
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// searching the end of the path string.
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int i = 0;
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int y = 0;
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// searching for zero terminator in the input path.
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while (path_in[i] != 0)
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{
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i++;
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}
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// searching for slash in the input path.
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while (path_in[i] != '/')
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{
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i--;
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}
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// searching for zero terminator in the output path.
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while (path_out[y] != 0)
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{
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y++;
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}
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// searching for slash in the output path.
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if (path_out[y - 1] == '/')
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{
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y--;
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}
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// copying the input name of the file into the output path,
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strcpy(&path_out[y], &path_in[i]);
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// ============================================================ //
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// adding the extension and full date to the path. ============ //
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i = 0;
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// searching for zero terminator in the output path.
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while (path_out[i] != 0)
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{
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i++;
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}
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path_out[i] = '_';
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i++;
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// adding full date.
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strcpy(&path_out[i], full_date);
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i += strlen(full_date);
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// adding the extension to path.
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strncpy(&path_out[i], ext, 4);
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//printf("Path_in: %s\n", path_in);
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//printf("Path_out: %s\n", path_out);
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data = openFile(&length, path_in);
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saveFile(length, data, 0, path_out);
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return 0;
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}
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