[PATCH 04/41] robocopy: add basic output

[Florian Eder]

Adds output method and prints a header and the source / destination / files to include
back to the user

Signed-off-by: Florian Eder <others.meder at gmail.com>
---
 programs/robocopy/main.c      | 66 +++++++++++++++++++++++++++++++++++
 programs/robocopy/robocopy.h  |  9 ++++-
 programs/robocopy/robocopy.rc | 11 ++++++
 3 files changed, 85 insertions(+), 1 deletion(-)

diff --git a/programs/robocopy/main.c b/programs/robocopy/main.c
index 8f8974b3528..97b961a5d0d 100644
--- a/programs/robocopy/main.c
+++ b/programs/robocopy/main.c
@@ -27,6 +27,46 @@ WINE_DEFAULT_DEBUG_CHANNEL(robocopy);
 
 struct robocopy_options options;
 
+static void output_message(UINT format_string_id, ...)
+{
+    WCHAR format_string[2048];
+    __ms_va_list va_args;
+    WCHAR *string;
+    DWORD length, bytes_written;
+
+    if (!LoadStringW(GetModuleHandleW(NULL), format_string_id, format_string, ARRAY_SIZE(format_string)))
+    {
+        WINE_ERR("invalid string loaded");
+        return;
+    }
+
+    __ms_va_start(va_args, format_string_id);
+    length = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
+                            format_string, 0, 0, (LPWSTR)&string, 0, &va_args);
+    __ms_va_end(va_args);
+    if (!length)
+    {
+        WINE_ERR("string formation failed");
+        return;
+    }
+
+    /* If WriteConsole fails, the output is being redirected to a file */
+    if (!WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), string, wcslen(string), &bytes_written, NULL))
+    {
+        CHAR *string_multibyte;
+        DWORD length_multibyte;
+
+        length_multibyte = WideCharToMultiByte(GetConsoleOutputCP(), 0, string, wcslen(string), NULL, 0, NULL, NULL);
+        string_multibyte = malloc(length_multibyte);
+
+        WideCharToMultiByte(GetConsoleOutputCP(), 0, string, wcslen(string), string_multibyte, length_multibyte, NULL, NULL);
+        WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), string_multibyte, length_multibyte, &bytes_written, NULL);
+        free(string_multibyte);
+    }
+
+    LocalFree(string);
+}
+
 static BOOL is_valid_robocopy_flag(WCHAR *string)
 {
     /*
@@ -41,6 +81,13 @@ static BOOL is_valid_robocopy_flag(WCHAR *string)
     return TRUE;
 }
 
+static WCHAR *strip_path_prefix(WCHAR* path)
+{
+    /* returns a path without the \\?\ prefix */
+    if (wcslen(path) <= 4) return path;
+    return &(path[4]);
+}
+
 WCHAR *get_absolute_path_with_trailing_backslash(WCHAR *path)
 {
     DWORD size;
@@ -100,10 +147,29 @@ static void parse_arguments(int argc, WCHAR *argv[])
     }
 }
 
+static void print_header(void)
+{
+    UINT i;
+
+    output_message(STRING_HEADER);
+
+    if (!options.source) output_message(STRING_SOURCE, L"-");
+    else output_message(STRING_SOURCE, strip_path_prefix(options.source));
+
+    if (!options.destination) output_message(STRING_DESTINATION, L"-");
+    else output_message(STRING_DESTINATION, strip_path_prefix(options.destination));
+
+    output_message(STRING_FILES, options.files->array[0]);
+    for (i = 1; i < options.files->size; i++)
+        output_message(STRING_ADDITIONAL_INFO, options.files->array[i]);
+}
+
 int __cdecl wmain(int argc, WCHAR *argv[])
 {
     parse_arguments(argc, argv);
 
+    print_header();
+
     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 aa857cd8c35..3be51b460a7 100644
--- a/programs/robocopy/robocopy.h
+++ b/programs/robocopy/robocopy.h
@@ -28,4 +28,11 @@ struct robocopy_options {
     WCHAR *destination;
     WCHAR *source;
     struct path_array* files;
-};
\ No newline at end of file
+};
+
+/* Resource strings */
+#define STRING_HEADER                         1000
+#define STRING_SOURCE                         1003
+#define STRING_DESTINATION                    1004
+#define STRING_FILES                          1005
+#define STRING_ADDITIONAL_INFO                1008
\ No newline at end of file
diff --git a/programs/robocopy/robocopy.rc b/programs/robocopy/robocopy.rc
index c7acd5ad161..e00d9fc0227 100644
--- a/programs/robocopy/robocopy.rc
+++ b/programs/robocopy/robocopy.rc
@@ -21,6 +21,17 @@
 
 #pragma makedep po
 
+LANGUAGE LANG_ENGLISH, SUBLANG_DEFAULT
+
+STRINGTABLE
+{
+    STRING_HEADER, "Robocopy for Wine\n\n"
+    STRING_SOURCE, "         Source: %1\n"
+    STRING_DESTINATION, "    Destination: %1\n\n"
+    STRING_FILES, "          Files: %1\n"
+    STRING_ADDITIONAL_INFO, "                 %1\n"
+}
+
 LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 
 #define WINE_FILEDESCRIPTION_STR "Wine Robocopy"
-- 
2.32.0