commit 8917aca09469d45a4c0c6fe58b36a8eb5b572836
author Steve Lhomme <robux4@ycbcr.xyz> Mon Apr 27 16:30:57 2020 +0200
committer Martin Storsjö <martin@martin.st> Wed May 06 14:36:42 2020 +0300
tree f0206685a158a50339e3e8b8506c370349b209e5
parent 0d73fc5345344d81045aea9fcadbfe3135b9fdb3

crt: use GetEnvironmentVariableW in getopt

The API is available since Windows XP and available in UWP for win8 and win10.

This avoids relying on getenv() from winstorecompat that returns NULL and can't
be reimplemented in a clean way.

Signed-off-by: Martin Storsjö <martin@martin.st>

mingw-w64-crt/misc/getopt.c

diff --git a/mingw-w64-crt/misc/getopt.c b/mingw-w64-crt/misc/getopt.c
index ac1fda4..ac7f9fe 100644
--- a/mingw-w64-crt/misc/getopt.c
+++ b/mingw-w64-crt/misc/getopt.c
@@ -345,7 +345,7 @@
 	 *                 optreset != 0 for GNU compatibility.
 	 */
 	if (posixly_correct == -1 || optreset != 0)
-		posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
+		posixly_correct = (GetEnvironmentVariableW(L"POSIXLY_CORRECT", NULL, 0) != 0);
 	if (*options == '-')
 		flags |= FLAG_ALLARGS;
 	else if (posixly_correct || *options == '+')