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-rw-r--r--src/util.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/util.c b/src/util.c
index 8fdaf2678..4e029b0e0 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1078,14 +1078,31 @@ int sqlite3VarintLen(u64 v){
** Read or write a four-byte big-endian integer value.
*/
u32 sqlite3Get4byte(const u8 *p){
+#if SQLITE_BYTEORDER==4321
+ u32 x;
+ memcpy(&x,p,4);
+ return x;
+#elif SQLITE_BYTEORDER==1234 && defined(__GNUC__)
+ u32 x;
+ memcpy(&x,p,4);
+ return __builtin_bswap32(x);
+#else
testcase( p[0]&0x80 );
return ((unsigned)p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
+#endif
}
void sqlite3Put4byte(unsigned char *p, u32 v){
+#if SQLITE_BYTEORDER==4321
+ memcpy(p,&v,4);
+#elif SQLITE_BYTEORDER==1234 && defined(__GNUC__)
+ u32 x = __builtin_bswap32(v);
+ memcpy(p,&x,4);
+#else
p[0] = (u8)(v>>24);
p[1] = (u8)(v>>16);
p[2] = (u8)(v>>8);
p[3] = (u8)v;
+#endif
}