kolibrios/programs/develop/backy/Backy.c
Magomed Kostoev (mkostoevr) 733e326d0a Rewrite Backy to compile with GCC.
git-svn-id: svn://kolibrios.org@7927 a494cfbc-eb01-0410-851d-a64ba20cac60
2020-05-16 11:58:21 +00:00

353 lines
8.2 KiB
C

/*
Author: JohnXenox.
Description: The program for backing up a file.
Works from command line, only!
*/
#define CREATION_DATE "2020.05.07"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "Backy-lib.h"
int date = 0;
int time = 0;
char years = 0;
char months = 0;
char days = 0;
char hours = 0;
char minutes = 0;
char seconds = 0;
char *data = 0;
int length = 0;
char path_in[4096] = {0};
char path_out[4096] = {0};
char num[3] = {0};
char full_date[25] = {0};
char ext[] = ".bak";
char flag = 0;
int main(int argc, char** argv)
{
// ============================================================ //
// preprocessing arguments from the command line. ============= //
//
// 0 argument - name of the programme.
// 1 argument - path to the file with name that need to be backup.
// 2 argument - the key (-o).
// 3 argument - path to the output directory without the name of the file.
// printf("Number of args: %d\n", argc);
// printf("Argv 0: %s\n", argv[0]);
// sprintf("Argv 1: %s\n\n", argv[1]);
// ============================================================ //
// preprocess the command line arguments. ===================== //
if (argc > 1)
{
for (int i = 1; i < argc; i++)
{
// if found the key "-o", then copy output path into the array "path_out".
if (*argv[i] == '-') // && (*(argv[i] + 1) == 'o'))
{
// printf("Key -o is found!\n");
i++;
flag = 1;
if (i <= argc)
{
// copying of a current path into the array "path_out".
strcpy(path_out, argv[i]);
// printf("Path output is copyed!\n");
i++;
break;
}
}
// if inut path is found, then copy it into the array "path_in".
if (*argv[i] == '/')
{
flag = 2;
// copying of a current path into the buffer.
strcpy(path_in, argv[i]);
if (flag != 1)
{
int idx = strlen(path_in);
while (path_in[idx] != '/')
{
idx--;
}
strncpy(path_out, path_in, idx);
}
// printf("Path input is copyed!\n");
}
// if found characters.
if ( (*argv[i] > '0') && (*argv[i] < '9') || \
(*argv[i] > 'A') && (*argv[i] < 'Z') || \
(*argv[i] > 'a') && (*argv[i] < 'z') )
{
flag = 3;
strcpy(path_in, argv[0]);
// printf("Arg 0 is copyed!\n");
int idx = strlen(path_in);
while (path_in[idx] != '/')
{
path_in[idx] = 0;
idx--;
}
idx++;
strcpy(path_out, path_in);
strcpy(&path_in[idx], argv[1]);
// printf("Arg 1 is added!\n");
}
}
// if not found the flag, then copy path from "path_in" into "path_out".
if ((flag == 0) && (flag != 2) && (flag != 3))
{
// copying the input path into the output path,
strcpy(path_out, path_in);
//printf("Path input is copyed into the path output!\n");
}
}
else
{
//con_init_console_dll_param(-1, 23, -1, 23, "Backy");
printf("\n Name: Backy");
printf("\n Date: %s", CREATION_DATE);
printf("\n Description: The programme for backing up a file.\n");
printf("\n Author: JohnXenox\n");
printf("\n Usage: backy <path1> <-o path2>\n");
printf(" path1 - path to a file to be backuped.\n");
printf(" -o path2 - path to the output directory without the name of a file.\n\n");
printf(" Examples:\n");
printf(" backy test.c\n");
printf(" backy test.c -o /tmp0/1/\n");
printf(" backy /hd0/1/test.c\n");
printf(" backy /hd0/1/test.c -o /tmp0/1/\n");
exit(0);
return 1;
}
//printf("Path_in: %s\n", path_in);
//printf("Path_out: %s\n", path_out);
// ============================================================ //
// getting the time in BCD. =================================== //
time = getTime(); // time = 0x00SSMMHH.
hours = (char)time;
minutes = (char)(time >> 8);
seconds = (char)(time >> 16);
// ============================================================ //
// getting the date in BCD. =================================== //
date = getDate(); // date = 0x00DDMMYY.
years = (char)date;
months = (char)(date >> 8);
days = (char)(date >> 16);
// ============================================================ //
// fills the array with the date in ASCII. ==================== //
char ofs = 0;
char *dta = 0;
for (char i = 0; i < 3; i++)
{
if (i == 0)
{
dta = &years;
full_date[ofs] = '2';
ofs++;
full_date[ofs] = '0';
ofs++;
}
if (i == 1)
{
dta = &months;
}
if (i == 2)
{
dta = &days;
}
itoa(*dta, num, 16);
if (num[1] == 0)
{
full_date[ofs] = '0';
ofs++;
full_date[ofs] = num[0];
}
else
{
full_date[ofs] = num[0];
ofs++;
full_date[ofs] = num[1];
}
ofs++;
if (i != 2)
{
full_date[ofs] = '.';
ofs++;
}
}
full_date[ofs] = '_';
ofs++;
// ============================================================ //
// fills the array with the time in ASCII. ==================== //
ofs = 11;
dta = 0;
for (char i = 0; i < 3; i++)
{
if (i == 0)
dta = &hours;
if (i == 1)
dta = &minutes;
if (i == 2)
dta = &seconds;
itoa(*dta, num, 16);
if (num[1] == 0)
{
full_date[ofs] = '0';
ofs++;
full_date[ofs] = num[0];
}
else
{
full_date[ofs] = num[0];
ofs++;
full_date[ofs] = num[1];
}
ofs++;
if (i < 2)
{
full_date[ofs] = '.';
}
//else
//{
// full_date[ofs] = '_';
//}
ofs++;
}
// ============================================================ //
// adding the name of the input file to the output path. ====== //
// searching the end of the path string.
int i = 0;
int y = 0;
// searching for zero terminator in the input path.
while (path_in[i] != 0)
{
i++;
}
// searching for slash in the input path.
while (path_in[i] != '/')
{
i--;
}
// searching for zero terminator in the output path.
while (path_out[y] != 0)
{
y++;
}
// searching for slash in the output path.
if (path_out[y - 1] == '/')
{
y--;
}
// copying the input name of the file into the output path,
strcpy(&path_out[y], &path_in[i]);
// ============================================================ //
// adding the extension and full date to the path. ============ //
i = 0;
// searching for zero terminator in the output path.
while (path_out[i] != 0)
{
i++;
}
path_out[i] = '_';
i++;
// adding full date.
strcpy(&path_out[i], full_date);
i += strlen(full_date);
// adding the extension to path.
strncpy(&path_out[i], ext, 4);
//printf("Path_in: %s\n", path_in);
//printf("Path_out: %s\n", path_out);
data = openFile(&length, path_in);
saveFile(length, data, 0, path_out);
return 0;
}