Avoid warning about sys/sysctl.h on glibc-2.30.

[paraslash.git] / mp3_afh.c

diff --git a/mp3_afh.c b/mp3_afh.c
index e5027a0b051a346c560b61d1141bc4da952aa7af..6ed73c2aaa2e068ee404dea1d16fec8183ee5237 100644 (file)
--- a/mp3_afh.c
+++ b/mp3_afh.c
@@ -63,8 +63,6 @@ static const int mp3info_bitrate[2][3][14] = {
 };
 
 static const int frame_size_index[] = {24000, 72000, 72000};
-static const char *mode_text[] = {"stereo", "joint stereo", "dual channel", "mono", "invalid"};
-
 #ifdef HAVE_ID3TAG
 
 #include <id3tag.h>
@@ -433,10 +431,13 @@ static int header_frequency(struct mp3header *h)
        return frequencies[h->version][h->freq];
 }
 
-static const char *header_mode(struct mp3header *h)
+static const char *header_mode(const struct mp3header *h)
 {
-       if (h->mode > 4)
-               h->mode = 4; /* invalid */
+       const char * const mode_text[] = {"stereo", "joint stereo",
+               "dual channel", "mono"};
+
+       if (h->mode >= ARRAY_SIZE(mode_text))
+               return "invalid";
        return mode_text[h->mode];
 }