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player_control: check if errored_song is set 

getPlayerErrorStr() assumes that pc.errored_song is set when an error
occured.  Since the song may have been deleted meanwhile, add a NULL
check.
This commit is contained in:
Max Kellermann 2008-12-17 16:46:12 +01:00
parent 13192546a8
commit 5d56b6ced8
1 changed files with 14 additions and 4 deletions
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18
src/player_control.c
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@ -148,12 +148,22 @@ enum player_error getPlayerError(void)
return pc.error;
}
static const char *
pc_errored_song_uri(void)
{
char path_max_tmp[MPD_PATH_MAX];
if (pc.errored_song == NULL)
return "?";
return song_get_url(pc.errored_song, path_max_tmp);
}
char *getPlayerErrorStr(void)
{
/* static OK here, only one user in main task */
static char error[MPD_PATH_MAX + 64]; /* still too much */
static const size_t errorlen = sizeof(error);
char path_max_tmp[MPD_PATH_MAX];
*error = '\0'; /* likely */
switch (pc.error) {
@ -163,11 +173,11 @@ char *getPlayerErrorStr(void)
case PLAYER_ERROR_FILENOTFOUND:
snprintf(error, errorlen,
"file \"%s\" does not exist or is inaccessible",
song_get_url(pc.errored_song, path_max_tmp));
pc_errored_song_uri());
break;
case PLAYER_ERROR_FILE:
snprintf(error, errorlen, "problems decoding \"%s\"",
song_get_url(pc.errored_song, path_max_tmp));
pc_errored_song_uri());
break;
case PLAYER_ERROR_AUDIO:
strcpy(error, "problems opening audio device");
@ -177,7 +187,7 @@ char *getPlayerErrorStr(void)
break;
case PLAYER_ERROR_UNKTYPE:
snprintf(error, errorlen, "file type of \"%s\" is unknown",
song_get_url(pc.errored_song, path_max_tmp));
pc_errored_song_uri());
}
return *error ? error : NULL;
}