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authorFrançois Andriot <francois.andriot@free.fr>2015-09-14 01:29:51 +0200
committerSlávek Banko <slavek.banko@axis.cz>2015-09-14 01:29:51 +0200
commit5fdf91b73be14ea616505bdd98c8002c94804172 (patch)
tree8f5acf5afbe22241c7b2ea7703384950eac62864 /kernel
parent53090f76505d2109d86175f6d002b69996d90eea (diff)
downloadlibksquirrel-5fdf91b73be14ea616505bdd98c8002c94804172.tar.gz
libksquirrel-5fdf91b73be14ea616505bdd98c8002c94804172.zip
Fix build warnings
Signed-off-by: François Andriot <francois.andriot@free.fr>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/kls_dds/dds.cpp10
-rw-r--r--kernel/kls_hdr/fmt_codec_hdr.cpp5
-rw-r--r--kernel/kls_png/ksquirrel-libs-png/pngpread.c2
-rw-r--r--kernel/kls_png/ksquirrel-libs-png/pngrutil.c2
4 files changed, 13 insertions, 6 deletions
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 33af0a0..91f4803 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);
diff --git a/kernel/kls_png/ksquirrel-libs-png/pngpread.c b/kernel/kls_png/ksquirrel-libs-png/pngpread.c
index 3dd0f06..f34553b 100644
--- a/kernel/kls_png/ksquirrel-libs-png/pngpread.c
+++ b/kernel/kls_png/ksquirrel-libs-png/pngpread.c
@@ -1670,7 +1670,7 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
#endif
png_strncpy((png_charp)png_ptr->unknown_chunk.name,
(png_charp)png_ptr->chunk_name,
- png_sizeof((png_charp)png_ptr->chunk_name));
+ png_sizeof(png_ptr->unknown_chunk.name));
png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, length);
png_ptr->unknown_chunk.size = (png_size_t)length;
png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length);
diff --git a/kernel/kls_png/ksquirrel-libs-png/pngrutil.c b/kernel/kls_png/ksquirrel-libs-png/pngrutil.c
index 899cdc4..6552af3 100644
--- a/kernel/kls_png/ksquirrel-libs-png/pngrutil.c
+++ b/kernel/kls_png/ksquirrel-libs-png/pngrutil.c
@@ -2374,7 +2374,7 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
#endif
png_strncpy((png_charp)png_ptr->unknown_chunk.name,
(png_charp)png_ptr->chunk_name,
- png_sizeof((png_charp)png_ptr->chunk_name));
+ png_sizeof(png_ptr->unknown_chunk.name));
png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, length);
png_ptr->unknown_chunk.size = (png_size_t)length;
png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length);