SDL_test: remove unused BuildCommonUsageString

include/SDL3/SDL_test_common.h

@@ -170,19 +170,6 @@ int SDLTest_CommonArg(SDLTest_CommonState *state, int index);
  */
 void SDLTest_CommonLogUsage(SDLTest_CommonState *state, const char *argv0, const char **options);
 
-/**
- * \brief Returns common usage information
- *
- * You should (probably) be using SDLTest_CommonLogUsage() instead, but this
- *  function remains for binary compatibility. Strings returned from this
- *  function are valid until SDLTest_CommonQuit() is called, in which case
- *  those strings' memory is freed and can no longer be used.
- *
- * \param state The common state describing the test window to create.
- * \returns a string with usage information
- */
-const char *SDLTest_CommonUsage(SDLTest_CommonState *state);
-
 /**
  * \brief Open test window.
  *

src/test/SDL_test_common.c

@@ -630,63 +630,10 @@ void SDLTest_CommonLogUsage(SDLTest_CommonState *state, const char *argv0, const
     }
 }
 
-static const char *BuildCommonUsageString(char **pstr, const char **strlist, const int numitems, const char **strlist2, const int numitems2)
-{
-    char *str = *pstr;
-    if (str == NULL) {
-        size_t len = SDL_strlen("[--trackmem]") + 2;
-        int i;
-        for (i = 0; i < numitems; i++) {
-            len += SDL_strlen(strlist[i]) + 1;
-        }
-        if (strlist2) {
-            for (i = 0; i < numitems2; i++) {
-                len += SDL_strlen(strlist2[i]) + 1;
-            }
-        }
-        str = (char *)SDL_calloc(1, len);
-        if (str == NULL) {
-            return ""; /* oh well. */
-        }
-        SDL_strlcat(str, "[--trackmem] ", len);
-        for (i = 0; i < numitems - 1; i++) {
-            SDL_strlcat(str, strlist[i], len);
-            SDL_strlcat(str, " ", len);
-        }
-        SDL_strlcat(str, strlist[i], len);
-        if (strlist2) {
-            SDL_strlcat(str, " ", len);
-            for (i = 0; i < numitems2 - 1; i++) {
-                SDL_strlcat(str, strlist2[i], len);
-                SDL_strlcat(str, " ", len);
-            }
-            SDL_strlcat(str, strlist2[i], len);
-        }
-        *pstr = str;
-    }
-    return str;
-}
-
 static char *common_usage_video = NULL;
 static char *common_usage_audio = NULL;
 static char *common_usage_videoaudio = NULL;
 
-const char *
-SDLTest_CommonUsage(SDLTest_CommonState *state)
-{
-
-    switch (state->flags & (SDL_INIT_VIDEO | SDL_INIT_AUDIO)) {
-    case SDL_INIT_VIDEO:
-        return BuildCommonUsageString(&common_usage_video, video_usage, SDL_arraysize(video_usage), NULL, 0);
-    case SDL_INIT_AUDIO:
-        return BuildCommonUsageString(&common_usage_audio, audio_usage, SDL_arraysize(audio_usage), NULL, 0);
-    case (SDL_INIT_VIDEO | SDL_INIT_AUDIO):
-        return BuildCommonUsageString(&common_usage_videoaudio, video_usage, SDL_arraysize(video_usage), audio_usage, SDL_arraysize(audio_usage));
-    default:
-        return "[--trackmem]";
-    }
-}
-
 SDL_bool
 SDLTest_CommonDefaultArgs(SDLTest_CommonState *state, const int argc, char **argv)
 {