[Bug 37848] New: For loop %~$PATH:I feature works incorrect - PATH variable size limited by MAX_PATH
wine-bugs at winehq.org
wine-bugs at winehq.org
Mon Jan 5 06:12:04 CST 2015
https://bugs.winehq.org/show_bug.cgi?id=37848
Bug ID: 37848
Summary: For loop %~$PATH:I feature works incorrect - PATH
variable size limited by MAX_PATH
Product: Wine
Version: 1.7.33
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: cmd
Assignee: wine-bugs at winehq.org
Reporter: ho-rr-or at mail.ru
Distribution: ---
Created attachment 50409
--> https://bugs.winehq.org/attachment.cgi?id=50409
Batch file for reproduce
For loop has %~$PATH:I syntax for search file in path list from PATH variable,
but it is not works when PATH variable size more then MAX_PATH.
Seems like there are invalid code in batch.c:
WCHAR fullpath[MAX_PATH];
// ...
/* If env var not found, return empty string */
if ((GetEnvironmentVariableW(env, fullpath, MAX_PATH) == 0) ||
(SearchPathW(fullpath, outputparam, NULL, MAX_PATH, outputparam, NULL)
== 0)) {
finaloutput[0] = 0x00;
outputparam[0] = 0x00;
skipFileParsing = TRUE;
}
Actually PATH length can be greater then MAX_PATH, so it is wrong behavior.
Size of fullpath should be based on variable size.
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