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.
---
mingw-w64-crt/misc/getopt.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/mingw-w64-crt/misc/getopt.c b/mingw-w64-crt/misc/getopt.c
index ac1fda42..c3357e6c 100644
--- a/mingw-w64-crt/misc/getopt.c
+++ b/mingw-w64-crt/misc/getopt.c
@@ -344,8 +344,11 @@ getopt_internal(int nargc, char * const *nargv, const char
*options,
* CV, 2009-12-14: Check POSIXLY_CORRECT anew if optind == 0 or
* optreset != 0 for GNU compatibility.
*/
- if (posixly_correct == -1 || optreset != 0)
- posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
+ if (posixly_correct == -1 || optreset != 0) {
+ char dummy[2];
+ DWORD res = GetEnvironmentVariableA("POSIXLY_CORRECT", dummy,
2);
+ posixly_correct = res != 0 || GetLastError() !=
ERROR_ENVVAR_NOT_FOUND;
+ }
if (*options == '-')
flags |= FLAG_ALLARGS;
else if (posixly_correct || *options == '+')
--
2.17.1
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