[PATCH 03/41] robocopy: add source / destination / file argument parser
Florian Eder
others.meder at gmail.com
Mon Sep 6 09:54:40 CDT 2021
Parses (relative / absolute) path arguments as source, destination
and files to include
Signed-off-by: Florian Eder <others.meder at gmail.com>
---
Splitted from the next patch to enhance readabilty a bit :-)
---
programs/robocopy/Makefile.in | 2 +-
programs/robocopy/main.c | 80 +++++++++++++++++++++++++++++++++++
programs/robocopy/robocopy.h | 14 +++++-
3 files changed, 94 insertions(+), 2 deletions(-)
diff --git a/programs/robocopy/Makefile.in b/programs/robocopy/Makefile.in
index 5463edcb8b3..3f16d00c0a8 100644
--- a/programs/robocopy/Makefile.in
+++ b/programs/robocopy/Makefile.in
@@ -1,5 +1,5 @@
MODULE = robocopy.exe
-IMPORTS =
+IMPORTS = kernelbase
EXTRADLLFLAGS = -mconsole -municode -mno-cygwin
diff --git a/programs/robocopy/main.c b/programs/robocopy/main.c
index a184235e488..8f8974b3528 100644
--- a/programs/robocopy/main.c
+++ b/programs/robocopy/main.c
@@ -21,9 +21,89 @@ WINE_DEFAULT_DEBUG_CHANNEL(robocopy);
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
+#include <stdlib.h>
+#include <pathcch.h>
+#include "robocopy.h"
+
+struct robocopy_options options;
+
+static BOOL is_valid_robocopy_flag(WCHAR *string)
+{
+ /*
+ * Robocopy switches contain one (and only one) backslash at the start
+ * /xf => valid flag
+ * /r:1 => valid flag
+ * /r:1aö => valid flag
+ * /r:1aö/ => not a valid flag, is interpreted as a filename
+ */
+ if (string[0] != L'/') return FALSE;
+ if (wcschr(string + 1, L'/') != NULL) return FALSE;
+ return TRUE;
+}
+
+WCHAR *get_absolute_path_with_trailing_backslash(WCHAR *path)
+{
+ DWORD size;
+ WCHAR *absolute_path;
+
+ /* allocate absolute path + potential backslash + null WCHAR */
+ size = GetFullPathNameW(path, 0, NULL, NULL) + 2;
+ if (!wcsnicmp(path, L"\\\\?\\", 4))
+ {
+ /* already prefixed with \\?\ */
+ absolute_path = calloc(size, sizeof(WCHAR));
+ GetFullPathNameW(path, size, absolute_path, NULL);
+ PathCchAddBackslashEx(absolute_path, size, NULL, NULL);
+ }
+ else
+ {
+ absolute_path = calloc(size + 4, sizeof(WCHAR));
+ wcscpy(absolute_path, L"\\\\?\\");
+ GetFullPathNameW(path, size, &(absolute_path[4]), NULL);
+ PathCchAddBackslashEx(absolute_path, size + 4, NULL, NULL);
+ }
+ return absolute_path;
+}
+
+static void parse_arguments(int argc, WCHAR *argv[])
+{
+ int i;
+
+ memset(&options, 0, sizeof(options));
+ options.files = calloc(1, offsetof(struct path_array, array) + (argc * sizeof(WCHAR*)));
+
+ for (i = 1; i < argc; i++)
+ {
+ if (is_valid_robocopy_flag(argv[i]))
+ WINE_FIXME("encountered an unknown robocopy flag: %S\n", argv[i]);
+ else
+ {
+ /*
+ *(Probably) not a flag, we can parse it as the source / the destination / a filename
+ * Priority: Source > Destination > (more than one) File
+ */
+ if (!options.source)
+ {
+ options.source = get_absolute_path_with_trailing_backslash(argv[i]);
+ }
+ else if (!options.destination)
+ {
+ options.destination = get_absolute_path_with_trailing_backslash(argv[i]);
+ }
+ else
+ {
+ options.files->array[options.files->size] = calloc(wcslen(argv[i]) + 1, sizeof(WCHAR));
+ wcscpy(options.files->array[options.files->size], argv[i]);
+ options.files->size++;
+ }
+ }
+ }
+}
int __cdecl wmain(int argc, WCHAR *argv[])
{
+ parse_arguments(argc, argv);
+
WINE_FIXME("robocopy stub");
return 0;
}
\ No newline at end of file
diff --git a/programs/robocopy/robocopy.h b/programs/robocopy/robocopy.h
index 33e84b82ea0..aa857cd8c35 100644
--- a/programs/robocopy/robocopy.h
+++ b/programs/robocopy/robocopy.h
@@ -16,4 +16,16 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
-#define WIN32_LEAN_AND_MEAN
\ No newline at end of file
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+struct path_array {
+ UINT size;
+ WCHAR *array[1];
+};
+
+struct robocopy_options {
+ WCHAR *destination;
+ WCHAR *source;
+ struct path_array* files;
+};
\ No newline at end of file
--
2.32.0
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