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dep/libchdr: Add chd_get_compressed_size()

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Stenzek 2023-12-20 23:40:07 +10:00
parent bbd021bd5f
commit fd341f6a9d
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2 changed files with 11 additions and 1 deletions
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4
dep/libchdr/include/libchdr/chd.h
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@ -389,11 +389,13 @@ CHD_EXPORT void chd_close(chd_file *chd);
/* return the associated core_file */ /* return the associated core_file */
CHD_EXPORT core_file *chd_core_file(chd_file *chd); CHD_EXPORT core_file *chd_core_file(chd_file *chd);
/* return the overall size of a CHD, and any of its parents */
CHD_EXPORT UINT64 chd_get_compressed_size(chd_file* chd);
/* return an error string for the given CHD error */ /* return an error string for the given CHD error */
CHD_EXPORT const char *chd_error_string(chd_error err); CHD_EXPORT const char *chd_error_string(chd_error err);
/* ----- CHD header management ----- */ /* ----- CHD header management ----- */
/* return a pointer to the extracted CHD header data */ /* return a pointer to the extracted CHD header data */

8
dep/libchdr/src/libchdr_chd.c
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@ -1952,6 +1952,14 @@ CHD_EXPORT core_file *chd_core_file(chd_file *chd)
return chd->file; return chd->file;
} }
CHD_EXPORT UINT64 chd_get_compressed_size(chd_file *chd)
{
UINT64 size = chd->file->fsize(chd->file);
if (chd->parent)
size += chd_get_compressed_size(chd->parent);
return size;
}
/*------------------------------------------------- /*-------------------------------------------------
chd_error_string - return an error string for chd_error_string - return an error string for
the given CHD error the given CHD error