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guard memcpy when n == 0 because buffer may be NULL

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Zach DeVito
2018-11-29 16:56:13 -08:00
parent 9ce0d0ddff
commit a3ca94f833
1 changed files with 2 additions and 1 deletions
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miniz_zip.c
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@@ -351,6 +351,7 @@ static MZ_FORCEINLINE mz_bool mz_zip_array_push_back(mz_zip_archive *pZip, mz_zi
size_t orig_size = pArray->m_size; size_t orig_size = pArray->m_size;
if (!mz_zip_array_resize(pZip, pArray, orig_size + n, MZ_TRUE)) if (!mz_zip_array_resize(pZip, pArray, orig_size + n, MZ_TRUE))
return MZ_FALSE; return MZ_FALSE;
if (n > 0)
memcpy((mz_uint8 *)pArray->m_p + orig_size * pArray->m_element_size, pElements, n * pArray->m_element_size); memcpy((mz_uint8 *)pArray->m_p + orig_size * pArray->m_element_size, pElements, n * pArray->m_element_size);
return MZ_TRUE; return MZ_TRUE;
} }