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[patch] libksquirrel: fix build warnings

0003-fix-dereferencing-type-punned-pointer.-warnings.patch (text/plain), 1.67 KB, created by Francois Andriot on 2015-07-31 18:08:12 CDT

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Description: libksquirrel: fix build warnings

Filename:

MIME Type:

Creator: Francois Andriot

Created: 2015-07-31 18:08:12 CDT

Size: 1.67 KB

patch

obsolete

>diff --git a/kernel/kls_dds/dds.cpp b/kernel/kls_dds/dds.cpp >index c5551f0..4205816 100644 >--- a/kernel/kls_dds/dds.cpp >+++ b/kernel/kls_dds/dds.cpp >@@ -564,7 +564,12 @@ static void FREE_ROWS(RGBAP **A, const int H) > > void GetBits( uchar bit_array[16] ) > { >- uint b = (uint &) bits[0]; >+ // uint b = (uint &) bits[0]; >+ /* avoid a warning >+ * "dereferencing type-punned pointer will break strict-aliasing rules" >+ * TODO: check endianness issues (but that was probably broken anyway) */ >+ uint b; >+ memcpy(&b, &bits[0], sizeof(b)); > bit_array[0] = uchar(b & 0x07); b >>= 3; > bit_array[1] = uchar(b & 0x07); b >>= 3; > bit_array[2] = uchar(b & 0x07); b >>= 3; >@@ -574,7 +579,8 @@ static void FREE_ROWS(RGBAP **A, const int H) > bit_array[6] = uchar(b & 0x07); b >>= 3; > bit_array[7] = uchar(b & 0x07); b >>= 3; > >- b = (uint &) bits[3]; >+ // b = (uint &) bits[3]; >+ memcpy(&b, &bits[3], sizeof(b)); > bit_array[8] = uchar(b & 0x07); b >>= 3; > bit_array[9] = uchar(b & 0x07); b >>= 3; > bit_array[10] = uchar(b & 0x07); b >>= 3; >diff --git a/kernel/kls_hdr/fmt_codec_hdr.cpp b/kernel/kls_hdr/fmt_codec_hdr.cpp >index 9819504..8dde09b 100644 >--- a/kernel/kls_hdr/fmt_codec_hdr.cpp >+++ b/kernel/kls_hdr/fmt_codec_hdr.cpp >@@ -136,8 +136,9 @@ s32 fmt_codec::read_scanline(RGBA *scan) > if (e != 0) > e = (e - 1) << 23; > >- t = *(float *)&e; >- >+ // t = *(float *)&e; >+ /* avoid "dereferencing type-punned pointer will break strict-aliasing rules" warning */ >+ memcpy(&t, &e, sizeof(t)); > (scan + i)->r = u8((r / 255.0f) * t); > (scan + i)->g = u8((g / 255.0f) * t); > (scan + i)->b = u8((b / 255.0f) * t); View Attachment As Diff View Attachment As Raw

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