1 files changed, 113 insertions, 0 deletions
diff --git a/src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_mem.c b/src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_mem.c
new file mode 100644
index 0000000..bcce0b5
--- /dev/null
+++ b/src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_mem.c
@@ -0,0 +1,113 @@
+/*
+ * ngtcp2
+ *
+ * Copyright (c) 2017 ngtcp2 contributors
+ * Copyright (c) 2014 nghttp2 contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "ngtcp2_mem.h"
+
+#include <stdio.h>
+
+static void *default_malloc(size_t size, void *user_data) {
+  (void)user_data;
+
+  return malloc(size);
+}
+
+static void default_free(void *ptr, void *user_data) {
+  (void)user_data;
+
+  free(ptr);
+}
+
+static void *default_calloc(size_t nmemb, size_t size, void *user_data) {
+  (void)user_data;
+
+  return calloc(nmemb, size);
+}
+
+static void *default_realloc(void *ptr, size_t size, void *user_data) {
+  (void)user_data;
+
+  return realloc(ptr, size);
+}
+
+static const ngtcp2_mem mem_default = {NULL, default_malloc, default_free,
+                                       default_calloc, default_realloc};
+
+const ngtcp2_mem *ngtcp2_mem_default(void) { return &mem_default; }
+
+#ifndef MEMDEBUG
+void *ngtcp2_mem_malloc(const ngtcp2_mem *mem, size_t size) {
+  return mem->malloc(size, mem->user_data);
+}
+
+void ngtcp2_mem_free(const ngtcp2_mem *mem, void *ptr) {
+  mem->free(ptr, mem->user_data);
+}
+
+void *ngtcp2_mem_calloc(const ngtcp2_mem *mem, size_t nmemb, size_t size) {
+  return mem->calloc(nmemb, size, mem->user_data);
+}
+
+void *ngtcp2_mem_realloc(const ngtcp2_mem *mem, void *ptr, size_t size) {
+  return mem->realloc(ptr, size, mem->user_data);
+}
+#else  /* MEMDEBUG */
+void *ngtcp2_mem_malloc_debug(const ngtcp2_mem *mem, size_t size,
+                              const char *func, const char *file, size_t line) {
+  void *nptr = mem->malloc(size, mem->user_data);
+
+  fprintf(stderr, "malloc %p size=%zu in %s at %s:%zu\n", nptr, size, func,
+          file, line);
+
+  return nptr;
+}
+
+void ngtcp2_mem_free_debug(const ngtcp2_mem *mem, void *ptr, const char *func,
+                           const char *file, size_t line) {
+  fprintf(stderr, "free ptr=%p in %s at %s:%zu\n", ptr, func, file, line);
+
+  mem->free(ptr, mem->user_data);
+}
+
+void *ngtcp2_mem_calloc_debug(const ngtcp2_mem *mem, size_t nmemb, size_t size,
+                              const char *func, const char *file, size_t line) {
+  void *nptr = mem->calloc(nmemb, size, mem->user_data);
+
+  fprintf(stderr, "calloc %p nmemb=%zu size=%zu in %s at %s:%zu\n", nptr, nmemb,
+          size, func, file, line);
+
+  return nptr;
+}
+
+void *ngtcp2_mem_realloc_debug(const ngtcp2_mem *mem, void *ptr, size_t size,
+                               const char *func, const char *file,
+                               size_t line) {
+  void *nptr = mem->realloc(ptr, size, mem->user_data);
+
+  fprintf(stderr, "realloc %p ptr=%p size=%zu in %s at %s:%zu\n", nptr, ptr,
+          size, func, file, line);
+
+  return nptr;
+}
+#endif /* MEMDEBUG */