Add more const

While I'm not very fond of "const", it's important for declarations
(it decides whether a symbol is emitted in a read-only or read/write
section). Fix all these cases, so we have writeable global data only
when we really need.

3 files changed, 4 insertions, 4 deletions

diff --git a/common/msg.c b/common/msg.c
index fa8b235243..9b05e55660 100644
--- a/common/msg.c
+++ b/common/msg.c
@@ -563,7 +563,7 @@ void mp_msg(struct mp_log *log, int lev, const char *format, ...)
     va_end(va);
 }
 
-char *mp_log_levels[MSGL_MAX + 1] = {
+const char *const mp_log_levels[MSGL_MAX + 1] = {
     [MSGL_FATAL]        = "fatal",
     [MSGL_ERR]          = "error",
     [MSGL_WARN]         = "warn",
diff --git a/common/msg_control.h b/common/msg_control.h
index 755cd10e57..f659d180b2 100644
--- a/common/msg_control.h
+++ b/common/msg_control.h
@@ -31,6 +31,6 @@ int mp_msg_open_stats_file(struct mpv_global *global, const char *path);
 struct bstr;
 int mp_msg_split_msglevel(struct bstr *s, struct bstr *out_mod, int *out_level);
 
-extern char *mp_log_levels[MSGL_MAX + 1];
+extern const char *const mp_log_levels[MSGL_MAX + 1];
 
 #endif
diff --git a/common/version.c b/common/version.c
index 83177a5fc7..196b2ff807 100644
--- a/common/version.c
+++ b/common/version.c
@@ -22,5 +22,5 @@
 #define BUILDDATE "UNKNOWN"
 #endif
 
-const char *mpv_version  = "mpv " VERSION;
-const char *mpv_builddate = BUILDDATE;
+const char *const mpv_version  = "mpv " VERSION;
+const char *const mpv_builddate = BUILDDATE;