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Diffstat (limited to 'utils/touchy/touchy.c')
| -rw-r--r-- | utils/touchy/touchy.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/utils/touchy/touchy.c b/utils/touchy/touchy.c deleted file mode 100644 index dbcf71277c..0000000000 --- a/utils/touchy/touchy.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Simple 'touch' program for Windows - * - */ -#if !defined(_WIN32) -#error "Win32-only, the platform you're using is supposed to have 'touch' already." -#else -#include <stdio.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <fcntl.h> -#include <errno.h> -#include <utime.h> -#include <windows.h> - -/* -touch is used by GHC both during building and during compilation of -Haskell files. Unfortunately this means we need a 'touch' like program -in the GHC bindist. Since touch is not standard on Windows and msys2 -doesn't include a mingw-w64 build of coreutils we need touchy for now. - -With Windows 7 in a virtual box VM on OS X, some very odd things happen -with dates and time stamps when SSHing into cygwin. e.g. here the -"Change" time is in the past: - -$ date; touch foo; stat foo -Fri Dec 2 16:58:07 GMTST 2011 - File: `foo' - Size: 0 Blocks: 0 IO Block: 65536 regular -empty file -Device: 540aba0bh/1409989131d Inode: 562949953592977 Links: 1 -Access: (0644/-rw-r--r--) Uid: ( 1000/ ian) Gid: ( 513/ None) -Access: 2011-12-02 16:58:07.414457900 +0000 -Modify: 2011-12-02 16:58:07.414457900 +0000 -Change: 2011-12-02 16:58:03.495141800 +0000 - Birth: 2011-12-02 16:57:57.731469900 +0000 - -And if we copy such a file, then the copy is older (as determined by the -"Modify" time) than the original: - -$ date; touch foo; stat foo; cp foo bar; stat bar -Fri Dec 2 16:59:10 GMTST 2011 - File: `foo' - Size: 0 Blocks: 0 IO Block: 65536 regular -empty file -Device: 540aba0bh/1409989131d Inode: 1407374883725128 Links: 1 -Access: (0644/-rw-r--r--) Uid: ( 1000/ ian) Gid: ( 513/ None) -Access: 2011-12-02 16:59:10.118457900 +0000 -Modify: 2011-12-02 16:59:10.118457900 +0000 -Change: 2011-12-02 16:59:06.189477700 +0000 - Birth: 2011-12-02 16:57:57.731469900 +0000 - File: `bar' - Size: 0 Blocks: 0 IO Block: 65536 regular -empty file -Device: 540aba0bh/1409989131d Inode: 281474976882512 Links: 1 -Access: (0644/-rw-r--r--) Uid: ( 1000/ ian) Gid: ( 513/ None) -Access: 2011-12-02 16:59:06.394555800 +0000 -Modify: 2011-12-02 16:59:06.394555800 +0000 -Change: 2011-12-02 16:59:06.395532400 +0000 - Birth: 2011-12-02 16:58:40.921899600 +0000 - -This means that make thinks that things are out of date when it -shouldn't, so reinvokes itself repeatedly until the MAKE_RESTARTS -infinite-recursion test triggers. - -The touchy program, like most other programs, creates files with both -Modify and Change in the past, which is still a little odd, but is -consistent, so doesn't break make. - -We used to use _utime(argv[i],NULL)) to set the file modification times, -but after a BST -> GMT change this started giving files a modification -time an hour in the future: - -$ date; utils/touchy/dist/build/tmp/touchy testfile; stat testfile -Tue, Oct 30, 2012 11:33:06 PM - File: `testfile' - Size: 0 Blocks: 0 IO Block: 65536 regular empty file -Device: 540aba0bh/1409989131d Inode: 9851624184986293 Links: 1 -Access: (0755/-rwxr-xr-x) Uid: ( 1000/ ian) Gid: ( 513/ None) -Access: 2012-10-31 00:33:06.000000000 +0000 -Modify: 2012-10-31 00:33:06.000000000 +0000 -Change: 2012-10-30 23:33:06.769118900 +0000 - Birth: 2012-10-30 23:33:06.769118900 +0000 - -so now we use the Win32 functions GetSystemTimeAsFileTime and SetFileTime. -*/ - -int -main(int argc, char** argv) -{ - int i; - FILETIME ft; - BOOL b; - HANDLE hFile; - - if (argc == 1) { - fprintf(stderr, "Usage: %s <files>\n", argv[0]); - return 1; - } - - for (i = 1; i < argc; i++) { - hFile = CreateFile(argv[i], GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, - FILE_ATTRIBUTE_NORMAL, NULL); - if (hFile == INVALID_HANDLE_VALUE) { - fprintf(stderr, "Unable to open %s\n", argv[i]); - exit(1); - } - GetSystemTimeAsFileTime(&ft); - b = SetFileTime(hFile, (LPFILETIME) NULL, (LPFILETIME) NULL, &ft); - if (b == 0) { - fprintf(stderr, "Unable to change mod. time for %s\n", argv[i]); - exit(1); - } - b = CloseHandle(hFile); - if (b == 0) { - fprintf(stderr, "Closing failed for %s\n", argv[i]); - exit(1); - } - } - - return 0; -} -#endif |