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@stefansundin /clop.c
Last active Aug 29, 2015

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(Windows) clop.exe: like Mac's pbpaste.
// https://gist.github.com/stefansundin/9d95826a712096b24ae2
// http://blogs.msdn.com/b/oldnewthing/archive/2013/10/07/10454659.aspx
// gcc -s -o clop clop.c
// Usage:
// clop | gpg -v
// clop /u = output is printed in Unicode
// clop /a = output is printed in ANSI
// otherwise, output is printed in OEM codepage
#define UNICODE
#define _UNICODE
#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#include <strsafe.h>
int main(int argc, wchar_t *argv[]) {
DWORD cbWritten;
HANDLE _stdout = GetStdHandle(STD_OUTPUT_HANDLE);
HANDLE _stderr = GetStdHandle(STD_ERROR_HANDLE);
BOOL opt_unicode = (argc == 2 && wcsicmp(argv[1],L"/u") == 0);
BOOL opt_ansi = (argc == 2 && wcsicmp(argv[1],L"/a") == 0);
if (OpenClipboard(NULL) == 0) {
char error[] = "clop: OpenClipboard() failed!\n";
WriteFile(_stderr, error, sizeof(error), &cbWritten, NULL);
return 1;
}
HANDLE h = GetClipboardData(CF_UNICODETEXT);
if (h == NULL) {
// This most likely means the user has something other than text in the clipboard, e.g. a file
char error[] = "clop: GetClipboardData() failed!\n";
WriteFile(_stderr, error, sizeof(error), &cbWritten, NULL);
CloseClipboard();
return 2;
}
wchar_t *text = (wchar_t*) GlobalLock(h);
if (text == NULL) {
char error[] = "clop: GlobalLock() failed!\n";
WriteFile(_stderr, error, sizeof(error), &cbWritten, NULL);
CloseClipboard();
return 3;
}
SIZE_T clipboard_size = GlobalSize(h);
if (clipboard_size > 0x10000000) {
// arbitrary limit because I am lazy
clipboard_size = 0x10000000;
char error[] = "clop: clipboard size > 256 MB. Clipped!\n";
WriteFile(_stderr, error, sizeof(error), &cbWritten, NULL);
}
size_t cbActual;
if (FAILED(StringCbLengthW(text, clipboard_size, &cbActual))) {
char error[] = "clop: StringCbLengthW() failed!\n";
WriteFile(_stderr, error, sizeof(error), &cbWritten, NULL);
GlobalUnlock(h);
CloseClipboard();
return 4;
}
if (opt_unicode) {
WriteFile(_stdout, text, cbActual, &cbWritten, NULL);
}
else {
UINT cp = opt_ansi ? CP_ACP : CP_OEMCP;
int cch = WideCharToMultiByte(cp, 0, text, cbActual/sizeof(wchar_t), NULL, 0, NULL, NULL);
if (cch > 0) {
char *psz = malloc(cch);
if (psz != NULL) {
WideCharToMultiByte(cp, 0, text, cbActual/sizeof(wchar_t), psz, cch, NULL, NULL);
WriteFile(_stdout, psz, cch, &cbWritten, NULL);
free(psz);
}
}
}
GlobalUnlock(h);
CloseClipboard();
return 0;
}
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