win32: allow empty environment variables

A length of 0 indicates an error and GetLastError() will be set. If GetLastError() is unset then the environment variable has a length of 0.

win32: allow empty environment variables
A length of 0 indicates an error and GetLastError() will be set. If GetLastError() is unset then the environment variable has a length of 0.
18fc751e · Edward Thomson · 1396a9b5 · 18fc751e
Commit 18fc751e authored Sep 20, 2021 by Edward Thomson
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src/util.c
+1 -1

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--- a/src/util.c
+++ b/src/util.c
@@ -755,7 +755,7 @@ int git__getenv(git_buf *out, const char *name)
 	if (value_len)
 		error = git_buf_put_w(out, wide_value, value_len);
-	else if (GetLastError() == ERROR_ENVVAR_NOT_FOUND)
+	else if (GetLastError() == ERROR_SUCCESS || GetLastError() == ERROR_ENVVAR_NOT_FOUND)
 		error = GIT_ENOTFOUND;
 	else
 		git_error_set(GIT_ERROR_OS, "could not read environment variable '%s'", name);