diff options
Diffstat (limited to 'AAA_GOFILES/util.go')
| -rw-r--r-- | AAA_GOFILES/util.go | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/AAA_GOFILES/util.go b/AAA_GOFILES/util.go deleted file mode 100644 index b097004..0000000 --- a/AAA_GOFILES/util.go +++ /dev/null @@ -1,53 +0,0 @@ -// 12 december 2015 - -package ui - -import ( - "unsafe" -) - -// #include <stdlib.h> -// // TODO remove when switching to Go 1.7 -// #include <string.h> -import "C" - -// TODO move this to C.CBytes() when switching to Go 1.7 - -// We want Go itself to complain when we're out of memory. -// The allocators in cgo *should* do this, but there isn't a -// C.CMalloc(). There *is* a C.CBytes(), however, for transferring -// binary blobs from Go to C. If we pass this an arbitrary slice -// of the desired length, we get our C.CMalloc(). Using a slice -// that's always initialized to zero gives us the ZeroMemory() -// for free. -var uimallocBytes = make([]byte, 1024) // 1024 bytes first - -//export uimalloc -func uimalloc(n C.size_t) unsafe.Pointer { - if n > C.size_t(len(uimallocBytes)) { - // TODO round n up to a multiple of a power of 2? - // for instance 0x1234 bytes -> 0x1800 bytes - uimallocBytes = make([]byte, n) - } - p := C.malloc(n) - if p == nil { - panic("out of memory in uimalloc()") - } - C.memset(p, 0, n) - return p -} - -func freestr(str *C.char) { - C.free(unsafe.Pointer(str)) -} - -func tobool(b C.int) bool { - return b != 0 -} - -func frombool(b bool) C.int { - if b { - return 1 - } - return 0 -} |
