xref: /openbsd/gnu/usr.bin/perl/win32/perlglob.c (revision eac174f2)
1 /*
2  * Globbing for NT.  Relies on the expansion done by the library
3  * startup code (provided by Visual C++ by linking in setargv.obj).
4  */
5 
6 /* Enable wildcard expansion for gcc's C-runtime library if not enabled by
7  * default (currently necessary with the automated build of the mingw-w64
8  * cross-compiler, but there's no harm in making sure for others too). */
9 #ifdef __MINGW32__
10 #include <_mingw.h>
11 #if defined(__MINGW64_VERSION_MAJOR) && defined(__MINGW64_VERSION_MINOR)
12     // MinGW-w64
13     int _dowildcard = -1;
14 #else
15     // MinGW
16     int _CRT_glob = -1;
17 #endif
18 #endif
19 
20 #include <stdio.h>
21 #include <io.h>
22 #include <fcntl.h>
23 #include <assert.h>
24 #include <limits.h>
25 #include <string.h>
26 #include <windows.h>
27 
28 int
main(int argc,char * argv[])29 main(int argc, char *argv[])
30 {
31     int i;
32     size_t len;
33     char root[MAX_PATH];
34     char *dummy;
35     char volname[MAX_PATH];
36     DWORD serial, maxname, flags;
37     BOOL downcase = TRUE;
38     int fd;
39 
40     /* check out the file system characteristics */
41     if (GetFullPathName(".", MAX_PATH, root, &dummy)) {
42         dummy = strchr(root,'\\');
43         if (dummy)
44             *++dummy = '\0';
45         if (GetVolumeInformation(root, volname, MAX_PATH,
46                                  &serial, &maxname, &flags, 0, 0)) {
47             downcase = !(flags & FS_CASE_IS_PRESERVED);
48         }
49     }
50 
51     fd = fileno(stdout);
52     /* rare VC linker bug causes uninit global FILE *s
53        fileno() implementation in VC 2003 is 2 blind pointer derefs so it will
54        never return -1 error as POSIX says, to be compliant fail for -1 and
55        for absurdly high FDs which are actually pointers */
56     assert(fd >= 0 && fd < SHRT_MAX);
57     setmode(fd, O_BINARY);
58     for (i = 1; i < argc; i++) {
59         len = strlen(argv[i]);
60         if (downcase)
61             strlwr(argv[i]);
62         if (i > 1) fwrite("\0", sizeof(char), 1, stdout);
63         fwrite(argv[i], sizeof(char), len, stdout);
64     }
65     return 0;
66 }
67 
68