Update libsrtp to version 2.0

crypto/kernel/alloc.c

 /*
  * alloc.c
  *
  * memory allocation and deallocation 
  *
  * David A. McGrew
  * Cisco Systems, Inc.
  */
 /*
  *      
@@ skipping 33 matching lines @@
 
 #ifdef HAVE_CONFIG_H
     #include <config.h>
 #endif
 
 #include "alloc.h"
 #include "crypto_kernel.h"
 
 /* the debug module for memory allocation */
 
-debug_module_t mod_alloc = {
+srtp_debug_module_t mod_alloc = {
   0,                  /* debugging is off by default */
   "alloc"             /* printable name for module   */
 };
 
 /*
- * Nota bene: the debugging statements for crypto_alloc() and
- * crypto_free() have identical prefixes, which include the addresses
+ * Nota bene: the debugging statements for srtp_crypto_alloc() and
+ * srtp_crypto_free() have identical prefixes, which include the addresses
  * of the memory locations on which they are operating.  This fact can
  * be used to locate memory leaks, by turning on memory debugging,
  * grepping for 'alloc', then matching alloc and free calls by
  * address.
  */
 
-#ifdef SRTP_KERNEL_LINUX
+#if defined(HAVE_STDLIB_H)
 
-#include <linux/interrupt.h>
-
-void *
-crypto_alloc(size_t size) {
-  void *ptr;
-
-  ptr = kmalloc(size, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
-
-  if (ptr) {
-    debug_print(mod_alloc, "(location: %p) allocated", ptr);
-  } else {
-    debug_print(mod_alloc, "allocation failed (asked for %d bytes)\n", size);
-  }
-
-  return ptr;
-}
-
-void 
-crypto_free(void *ptr) {
-
-  debug_print(mod_alloc, "(location: %p) freed", ptr);
-
-  kfree(ptr);
-}
-
-
-#elif defined(HAVE_STDLIB_H)
-
-void *
-crypto_alloc(size_t size) {
+void * srtp_crypto_alloc(size_t size) {
   void *ptr;
 
   ptr = malloc(size);
     
   if (ptr) {
     debug_print(mod_alloc, "(location: %p) allocated", ptr);
   } else {
     debug_print(mod_alloc, "allocation failed (asked for %d bytes)\n", size);
   }
 
   return ptr;
 }
 
-void 
-crypto_free(void *ptr) {
+void srtp_crypto_free(void *ptr) {
 
   debug_print(mod_alloc, "(location: %p) freed", ptr);
 
   free(ptr);
 }
 
 #else  /* we need to define our own memory allocation routines */
 
 #error no memory allocation defined yet 
 
 #endif