[reactos] 01/01: [SYSDM] Fix the "fancy" edit Environment dialog box (#4258)

[Arnav Bhatt]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=8df70629b6d99654dc71a6...

commit 8df70629b6d99654dc71a679bed8579b17de867b
Author:     Arnav Bhatt [e-mail]
AuthorDate: Sun Jan 9 22:25:25 2022 +0530
Commit:     GitHub [e-mail]
CommitDate: Sun Jan 9 17:55:25 2022 +0100

[SYSDM] Fix the "fancy" edit Environment dialog box (#4258)

Fix the issue of the changes of the environment values not being set sometimes through fancy dialog box:
    Make sure the environment value buffer is always reallocated before taking the values.
---
 dll/cpl/sysdm/environment.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dll/cpl/sysdm/environment.c b/dll/cpl/sysdm/environment.c
index b648b77e775..549a41ecf85 100644
--- a/dll/cpl/sysdm/environment.c
+++ b/dll/cpl/sysdm/environment.c
@@ -155,7 +155,9 @@ GatherDataFromListView(HWND hwndListView,
             return 0;
     }

-    /* Copy the variable values while seperating them with a semi-colon except for the last value */
+    /* First reinitialize the value buffer, then copy the variable values while
+     * separating them with a semi-colon, except for the last value. */
+    VarData->lpRawValue[0] = _T('\0');
     for (i = 0; i < NumberOfItems; i++)
     {
         if (i > 0)