diff options
Diffstat (limited to 'externals/grill/flext/source/flsupport.cpp')
-rw-r--r-- | externals/grill/flext/source/flsupport.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/externals/grill/flext/source/flsupport.cpp b/externals/grill/flext/source/flsupport.cpp index cd57dfd8..827896e3 100644 --- a/externals/grill/flext/source/flsupport.cpp +++ b/externals/grill/flext/source/flsupport.cpp @@ -48,6 +48,48 @@ void flext::Setup() #endif } + +///////////////////////////////////////////////////////// +// overloaded new/delete memory allocation methods +// +///////////////////////////////////////////////////////// + +void *flext::operator new(size_t bytes) +{ + bytes += sizeof(size_t); + char *blk = (char *)getbytes(bytes); + *(size_t *)blk = bytes; + return blk+sizeof(size_t); +} + +void flext::operator delete(void *blk) +{ + char *ori = (char *)blk-sizeof(size_t); + size_t bytes = *(size_t *)ori; + freebytes(ori,bytes); +} + +void *flext::NewAligned(size_t bytes,int bitalign) +{ + const size_t ovh = sizeof(size_t)+sizeof(char *); + const unsigned long alignovh = bitalign/8-1; + bytes += ovh+alignovh; + char *blk = (char *)getbytes(bytes); + char *ablk = reinterpret_cast<char *>((reinterpret_cast<unsigned long>(blk)+ovh+alignovh) & ~alignovh); + *(char **)(ablk-sizeof(size_t)-sizeof(char *)) = blk; + *(size_t *)(ablk-sizeof(size_t)) = bytes; + return ablk; +} + +void flext::FreeAligned(void *blk) +{ + char *ori = *(char **)((char *)blk-sizeof(size_t)-sizeof(char *)); + size_t bytes = *(size_t *)((char *)blk-sizeof(size_t)); + freebytes(ori,bytes); +} + +// ------------------------------------------ + void flext::GetAString(const t_atom &a,char *buf,int szbuf) { #if FLEXT_SYS == FLEXT_SYS_PD |