win32: add getenv() UTF-8 variant

This is a bit "hard", because getenv() returns a static string, and we
can't just return an allocated string. We also want getenv() to be
thread-safe if possible. (If the mpv core is going to be more threaded,
we sure do want the lower layers to be thread-safe as well.)

1 files changed, 2 insertions, 0 deletions

diff --git a/osdep/io.h b/osdep/io.h
index 7554b402d4..5dd93a79a1 100644
--- a/osdep/io.h
+++ b/osdep/io.h
@@ -59,6 +59,7 @@ DIR *mp_opendir(const char *path);
 struct dirent *mp_readdir(DIR *dir);
 int mp_closedir(DIR *dir);
 int mp_mkdir(const char *path, int mode);
+char *mp_getenv(const char *name);
 
 // NOTE: stat is not overridden with mp_stat, because MinGW-w64 defines it as
 //       macro.
@@ -72,6 +73,7 @@ int mp_mkdir(const char *path, int mode);
 #define readdir(...) mp_readdir(__VA_ARGS__)
 #define closedir(...) mp_closedir(__VA_ARGS__)
 #define mkdir(...) mp_mkdir(__VA_ARGS__)
+#define getenv(...) mp_getenv(__VA_ARGS__)
 
 #else /* __MINGW32__ */