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| author | marha <marha@users.sourceforge.net> | 2011-08-29 08:51:20 +0200 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-08-29 08:51:20 +0200 |
| commit | 01df5d59e56a1b060568f8cad2e89f7eea22fc70 (patch) | |
| tree | 9db83037fd85d0974b60fc1a05e0665083f26000 /pixman/test/utils.c | |
| parent | fd1f4d9fe3ea67fa6def8ee4927a8f71e0440f12 (diff) | |
| download | vcxsrv-01df5d59e56a1b060568f8cad2e89f7eea22fc70.tar.gz vcxsrv-01df5d59e56a1b060568f8cad2e89f7eea22fc70.tar.bz2 vcxsrv-01df5d59e56a1b060568f8cad2e89f7eea22fc70.zip | |
xwininfo libX11 libXmu libxcb mesa xserver xkeyboard-config git update 29
aug 2011
Diffstat (limited to 'pixman/test/utils.c')
| -rw-r--r-- | pixman/test/utils.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/pixman/test/utils.c b/pixman/test/utils.c index 402560227..44188ea90 100644 --- a/pixman/test/utils.c +++ b/pixman/test/utils.c @@ -130,6 +130,14 @@ compute_crc32 (uint32_t in_crc32, return (crc32 ^ 0xFFFFFFFF); } +pixman_bool_t +is_little_endian (void) +{ + volatile uint16_t endian_check_var = 0x1234; + + return (*(volatile uint8_t *)&endian_check_var == 0x34); +} + /* perform endian conversion of pixel data */ void @@ -142,8 +150,7 @@ image_endian_swap (pixman_image_t *img) int i, j; /* swap bytes only on big endian systems */ - volatile uint16_t endian_check_var = 0x1234; - if (*(volatile uint8_t *)&endian_check_var != 0x12) + if (is_little_endian()) return; if (bpp == 8) |