-
Notifications
You must be signed in to change notification settings - Fork 5
Expand file tree
/
Copy pathcmdsave.c
More file actions
117 lines (80 loc) · 2.39 KB
/
Copy pathcmdsave.c
File metadata and controls
117 lines (80 loc) · 2.39 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
/*++
Copyright (c) 2014 by Antoni Sawicki
Module Name:
cmdsave.c
Abstract:
Dump contents of cmd.exe console window buffer to a file.
Version:
1.1 - crlf fix
Author:
Antoni Sawicki <as@tenoware.com>
License:
BSD
--*/
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
void ERRPT(char *msg, ...) {
va_list valist;
char vaBuff[1024];
char errBuff[1024];
DWORD err;
va_start(valist, msg);
_vsnprintf(vaBuff, sizeof(vaBuff), msg, valist);
va_end(valist);
printf("ERROR: %s\n", vaBuff);
err=GetLastError();
if(err) {
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), errBuff, sizeof(errBuff) , NULL );
printf("%08X : %s\n\n", err, errBuff);
}
ExitProcess(1);
}
int main(int argc, char **argv) {
HANDLE hConsole;
HANDLE hFile;
COORD start;
LPSTR buff;
CONSOLE_SCREEN_BUFFER_INFO cbi;
DWORD rchr, ochr, n;
LONG l;
if(argc!=2)
ERRPT("\rUsage: %s <filename>\n", argv[0]);
hConsole=GetStdHandle(STD_OUTPUT_HANDLE);
if(hConsole==INVALID_HANDLE_VALUE)
ERRPT("GetStdHandle" );
if(GetConsoleScreenBufferInfo(hConsole, &cbi)==0)
ERRPT("GetConsoleScreenBufferInfo");
buff=HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (cbi.dwSize.X+3)*sizeof(WCHAR));
if(buff==NULL)
ERRPT("HeapAlloc");
hFile=CreateFile(argv[1], GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if(hFile==INVALID_HANDLE_VALUE)
ERRPT("CreateFile %s", argv[1]);
start.X=0;
start.Y=0;
while(start.Y<cbi.dwSize.Y) {
if(ReadConsoleOutputCharacter(hConsole, buff, cbi.dwSize.X, start, &rchr)==0)
ERRPT("ReadConsoleOutputCharacter [rchr=%d, y:%d]", rchr, start.Y);
// trim horizontal
n=cbi.dwSize.X-1;
while(n && buff[n]==' ')
n--;
if(n==0)
n=-1;
buff[n+1]='\r';
buff[n+2]='\n';
buff[n+3]='\0';
if(WriteFile(hFile, buff, strlen(buff), &ochr, NULL)==0)
ERRPT("WriteFile");
// for vertical trim
if(buff[0]!='\r')
l=GetFileSize(hFile, NULL);
start.Y++;
}
// trim vertical
SetFilePointer(hFile, l, NULL, FILE_BEGIN);
SetEndOfFile(hFile);
CloseHandle(hFile);
return 0;
}