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Interface: Fix memory leak on opening ROMs, added function to manually free ROMs #518

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Interface: Fix memory leak on opening ROMs, added function to manually free ROMs #518

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Interface: Fix memory leak on opening ROMs, added function to manuall…
theCapypara Mar 30, 2022
dc02de0
Normalized whitespaces for changed lines
theCapypara Mar 30, 2022
66c8f91
Intrface: Fixes keyword for rom_opened
theCapypara Mar 30, 2022
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13 changes: 13 additions & 0 deletions desmume/src/frontend/interface/interface.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@

#define SCREENS_PIXEL_SIZE 98304
volatile bool execute = false;
static bool rom_opened = false;
TieredRegion hooked_regions [HOOK_COUNT];
std::map<unsigned int, memory_cb_fnc> hooks[HOOK_COUNT];

Expand Down Expand Up @@ -97,11 +98,23 @@ EXPORTED void desmume_set_language(u8 lang)
EXPORTED int desmume_open(const char *filename)
{
int i;
if (rom_opened) {
NDS_FreeROM();
}
clear_savestates();
i = NDS_LoadROM(filename);
if (i > 0) {
rom_opened = true;
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if rom_opened was already true, it will stay true even if i <= 0

}
return i;
}

EXPORTED void desmume_close()
{
NDS_FreeROM();
rom_opened = false;
}

EXPORTED void desmume_set_savetype(int type) {
backup_setManualBackupType(type);
}
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3 changes: 3 additions & 0 deletions desmume/src/frontend/interface/interface.h
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Expand Up @@ -71,7 +71,10 @@ EXPORTED void desmume_free(void);

// 0 = Japanese, 1 = English, 2 = French, 3 = German, 4 = Italian, 5 = Spanish
EXPORTED void desmume_set_language(u8 language);
// Opens a new ROM, if a ROM was already opened, a new one is opened and the old was is automatically free'd.
EXPORTED int desmume_open(const char *filename);
// Frees and closes a ROM opened with desmume_open.
EXPORTED void desmume_close();
EXPORTED void desmume_set_savetype(int type);
EXPORTED void desmume_pause(void);
EXPORTED void desmume_resume(void);
Expand Down