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Determine endianness at compile time

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This commit is contained in:
Kleis Auke Wolthuizen 2020-11-23 14:37:01 +01:00
parent d9dec2c027
commit 77de1c473a
1 changed files with 7 additions and 10 deletions
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15
libvips/iofuncs/util.c
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@ -1602,16 +1602,13 @@ vips_ispoweroftwo( int p )
int int
vips_amiMSBfirst( void ) vips_amiMSBfirst( void )
{ {
int test; #if G_BYTE_ORDER == G_BIG_ENDIAN
unsigned char *p = (unsigned char *) &test;
test = 0;
p[0] = 255;
if( test == 255 )
return( 0 );
else
return( 1 ); return( 1 );
#elif G_BYTE_ORDER == G_LITTLE_ENDIAN
return( 0 );
#else
#error "Byte order not recognised"
#endif
} }
/* Return the tmp dir. On Windows, GetTempPath() will also check the values of /* Return the tmp dir. On Windows, GetTempPath() will also check the values of