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lodepng: make the crc32 LUT const

This saves 1KiB ram usage.
Grissiom 10 years ago
parent
commit
9944a1b69c
1 changed files with 1 additions and 1 deletions
  1. 1 1
      components/external/lodepng/lodepng.c

+ 1 - 1
components/external/lodepng/lodepng.c

@@ -2267,7 +2267,7 @@ const LodePNGDecompressSettings lodepng_default_decompress_settings = {0, 0, 0,
 /* ////////////////////////////////////////////////////////////////////////// */
 
 /* CRC polynomial: 0xedb88320 */
-static unsigned lodepng_crc32_table[256] = {
+static unsigned const lodepng_crc32_table[256] = {
            0u, 1996959894u, 3993919788u, 2567524794u,  124634137u, 1886057615u, 3915621685u, 2657392035u,
    249268274u, 2044508324u, 3772115230u, 2547177864u,  162941995u, 2125561021u, 3887607047u, 2428444049u,
    498536548u, 1789927666u, 4089016648u, 2227061214u,  450548861u, 1843258603u, 4107580753u, 2211677639u,