summaryrefslogtreecommitdiffstats
path: root/skia/ext/SkMemory_new_handler.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'skia/ext/SkMemory_new_handler.cpp')
-rw-r--r--skia/ext/SkMemory_new_handler.cpp58
1 files changed, 58 insertions, 0 deletions
diff --git a/skia/ext/SkMemory_new_handler.cpp b/skia/ext/SkMemory_new_handler.cpp
new file mode 100644
index 0000000..7e45d26
--- /dev/null
+++ b/skia/ext/SkMemory_new_handler.cpp
@@ -0,0 +1,58 @@
+#include "SkTypes.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <new>
+
+// This implementation of sk_malloc_flags() and friends is identical
+// to SkMemory_malloc.c, except that it disables the CRT's new_handler
+// during malloc(), when SK_MALLOC_THROW is not set (ie., when
+// sk_malloc_flags() would not abort on NULL).
+
+void sk_throw() {
+ SkASSERT(!"sk_throw");
+ abort();
+}
+
+void sk_out_of_memory(void) {
+ SkASSERT(!"sk_out_of_memory");
+ abort();
+}
+
+void* sk_malloc_throw(size_t size) {
+ return sk_malloc_flags(size, SK_MALLOC_THROW);
+}
+
+void* sk_realloc_throw(void* addr, size_t size) {
+ void* p = realloc(addr, size);
+ if (size == 0) {
+ return p;
+ }
+ if (p == NULL) {
+ sk_throw();
+ }
+ return p;
+}
+
+void sk_free(void* p) {
+ if (p) {
+ free(p);
+ }
+}
+
+void* sk_malloc_flags(size_t size, unsigned flags) {
+ std::new_handler old_handler;
+ if (!(flags & SK_MALLOC_THROW)) {
+ old_handler = std::set_new_handler(NULL);
+ }
+ void* p = malloc(size);
+ if (!(flags & SK_MALLOC_THROW)) {
+ std::set_new_handler(old_handler);
+ }
+ if (p == NULL) {
+ if (flags & SK_MALLOC_THROW) {
+ sk_throw();
+ }
+ }
+ return p;
+}
+