Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / tools / perf / util / wrapper.c

diff --git a/kernel/tools/perf/util/wrapper.c b/kernel/tools/perf/util/wrapper.c
new file mode 100644 (file)
index 0000000..19f15b6
--- /dev/null
+++ b/kernel/tools/perf/util/wrapper.c
@@ -0,0 +1,41 @@
+/*
+ * Various trivial helper wrappers around standard functions
+ */
+#include "cache.h"
+
+/*
+ * There's no pack memory to release - but stay close to the Git
+ * version so wrap this away:
+ */
+static inline void release_pack_memory(size_t size __maybe_unused,
+                                      int flag __maybe_unused)
+{
+}
+
+char *xstrdup(const char *str)
+{
+       char *ret = strdup(str);
+       if (!ret) {
+               release_pack_memory(strlen(str) + 1, -1);
+               ret = strdup(str);
+               if (!ret)
+                       die("Out of memory, strdup failed");
+       }
+       return ret;
+}
+
+void *xrealloc(void *ptr, size_t size)
+{
+       void *ret = realloc(ptr, size);
+       if (!ret && !size)
+               ret = realloc(ptr, 1);
+       if (!ret) {
+               release_pack_memory(size, -1);
+               ret = realloc(ptr, size);
+               if (!ret && !size)
+                       ret = realloc(ptr, 1);
+               if (!ret)
+                       die("Out of memory, realloc failed");
+       }
+       return ret;
+}