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Zero-fill pkguiAlloc()'s output.

This commit is contained in:
Pietro Gagliardi 2018-08-26 14:26:33 -04:00
parent d8200a9f04
commit c90187046a
2 changed files with 5 additions and 2 deletions
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1
pkgui.h
View File

@ -3,6 +3,7 @@
#define pkguiHFileIncluded #define pkguiHFileIncluded
#include <stdlib.h> #include <stdlib.h>
#include <string.h>
#include <time.h> #include <time.h>
#include "ui.h" #include "ui.h"

6
util.go
View File

@ -12,8 +12,10 @@ import "C"
//export pkguiAlloc //export pkguiAlloc
func pkguiAlloc(n C.size_t) unsafe.Pointer { func pkguiAlloc(n C.size_t) unsafe.Pointer {
// cgo turns C.malloc() into a panic-on-OOM version; use it // cgo turns C.malloc() into a panic-on-OOM version; use it
// TODO make sure it zero-initializes too ret := C.malloc(n)
return C.malloc(n) // and this won't zero-initialize; do it ourselves
C.memset(ret, 0, n)
return ret
} }
func freestr(str *C.char) { func freestr(str *C.char) {