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Add P_SaveBufferRemaining, returns remaining size of save buffer

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This commit is contained in:
James R 2023-04-25 18:49:20 -07:00
parent 5109e3bdf9
commit e55f03648f
2 changed files with 13 additions and 0 deletions
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12
src/p_saveg.c
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@ -5714,3 +5714,15 @@ void P_SaveBufferFree(savebuffer_t *save)
Z_Free(save->buffer);
P_SaveBufferInvalidate(save);
}
size_t P_SaveBufferRemaining(const savebuffer_t *save)
{
if (save->p < save->end)
{
return save->end - save->p;
}
else
{
return 0;
}
}

1
src/p_saveg.h
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@ -63,6 +63,7 @@ boolean P_SaveBufferFromExisting(savebuffer_t *save, UINT8 *existing_buffer, siz
boolean P_SaveBufferFromLump(savebuffer_t *save, lumpnum_t lump);
boolean P_SaveBufferFromFile(savebuffer_t *save, char const *name);
void P_SaveBufferFree(savebuffer_t *save);
size_t P_SaveBufferRemaining(const savebuffer_t *save);
#ifdef __cplusplus
} // extern "C"