0,0 → 1,352 |
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/* |
Author: JohnXenox. |
Description: The program for backing up a file. |
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Works from command line, only! |
*/ |
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#define CREATION_DATE "2020.05.07" |
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#include <stdio.h> |
#include <stdlib.h> |
#include <string.h> |
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#include "Backy-lib.h" |
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int date = 0; |
int time = 0; |
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char years = 0; |
char months = 0; |
char days = 0; |
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char hours = 0; |
char minutes = 0; |
char seconds = 0; |
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char *data = 0; |
int length = 0; |
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char path_in[4096] = {0}; |
char path_out[4096] = {0}; |
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char num[3] = {0}; |
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char full_date[25] = {0}; |
char ext[] = ".bak"; |
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char flag = 0; |
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int main(int argc, char** argv) |
{ |
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// ============================================================ // |
// 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. |
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// printf("Number of args: %d\n", argc); |
// printf("Argv 0: %s\n", argv[0]); |
// sprintf("Argv 1: %s\n\n", argv[1]); |
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// ============================================================ // |
// preprocess the command line arguments. ===================== // |
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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"); |
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i++; |
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flag = 1; |
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if (i <= argc) |
{ |
// copying of a current path into the array "path_out". |
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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// if inut path is found, then copy it into the array "path_in". |
if (*argv[i] == '/') |
{ |
flag = 2; |
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// copying of a current path into the buffer. |
strcpy(path_in, argv[i]); |
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if (flag != 1) |
{ |
int idx = strlen(path_in); |
while (path_in[idx] != '/') |
{ |
idx--; |
} |
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strncpy(path_out, path_in, idx); |
} |
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// printf("Path input is copyed!\n"); |
} |
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// if found characters. |
if ( (*argv[i] > '0') && (*argv[i] < '9') || \ |
(*argv[i] > 'A') && (*argv[i] < 'Z') || \ |
(*argv[i] > 'a') && (*argv[i] < 'z') ) |
{ |
flag = 3; |
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strcpy(path_in, argv[0]); |
// printf("Arg 0 is copyed!\n"); |
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int idx = strlen(path_in); |
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while (path_in[idx] != '/') |
{ |
path_in[idx] = 0; |
idx--; |
} |
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idx++; |
strcpy(path_out, path_in); |
strcpy(&path_in[idx], argv[1]); |
// printf("Arg 1 is added!\n"); |
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} |
} |
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// 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"); |
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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"); |
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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"); |
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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"); |
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exit(0); |
return 1; |
} |
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//printf("Path_in: %s\n", path_in); |
//printf("Path_out: %s\n", path_out); |
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// ============================================================ // |
// getting the time in BCD. =================================== // |
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time = getTime(); // time = 0x00SSMMHH. |
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hours = (char)time; |
minutes = (char)(time >> 8); |
seconds = (char)(time >> 16); |
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// ============================================================ // |
// getting the date in BCD. =================================== // |
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date = getDate(); // date = 0x00DDMMYY. |
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years = (char)date; |
months = (char)(date >> 8); |
days = (char)(date >> 16); |
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// ============================================================ // |
// fills the array with the date in ASCII. ==================== // |
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char ofs = 0; |
char *dta = 0; |
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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; |
} |
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itoab(*dta, num, 16); |
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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]; |
} |
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ofs++; |
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if (i != 2) |
{ |
full_date[ofs] = '.'; |
ofs++; |
} |
} |
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full_date[ofs] = '_'; |
ofs++; |
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// ============================================================ // |
// fills the array with the time in ASCII. ==================== // |
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ofs = 11; |
dta = 0; |
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for (char i = 0; i < 3; i++) |
{ |
if (i == 0) |
dta = &hours; |
if (i == 1) |
dta = &minutes; |
if (i == 2) |
dta = &seconds; |
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itoab(*dta, num, 16); |
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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]; |
} |
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ofs++; |
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if (i < 2) |
{ |
full_date[ofs] = '.'; |
} |
//else |
//{ |
// full_date[ofs] = '_'; |
//} |
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ofs++; |
} |
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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. |
int i = 0; |
int y = 0; |
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// searching for zero terminator in the input path. |
while (path_in[i] != 0) |
{ |
i++; |
} |
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// searching for slash in the input path. |
while (path_in[i] != '/') |
{ |
i--; |
} |
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// searching for zero terminator in the output path. |
while (path_out[y] != 0) |
{ |
y++; |
} |
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// searching for slash in the output path. |
if (path_out[y - 1] == '/') |
{ |
y--; |
} |
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// copying the input name of the file into the output path, |
strcpy(&path_out[y], &path_in[i]); |
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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. |
while (path_out[i] != 0) |
{ |
i++; |
} |
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path_out[i] = '_'; |
i++; |
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// adding full date. |
strcpy(&path_out[i], full_date); |
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i += strlen(full_date); |
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// adding the extension to path. |
strncpy(&path_out[i], ext, 4); |
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//printf("Path_in: %s\n", path_in); |
//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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