[Xen-changelog] [xen master] tools/libxl: Introduce libxl__malloc()

[patchbot@xxxxxxx]

commit e140001d755b80960342241e54566bcd545ddfd5
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu Mar 27 17:41:55 2014 +0000
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Tue Apr 1 11:08:48 2014 +0100

    tools/libxl: Introduce libxl__malloc()
    
    For those large allocations which are going to be filled immediately, where
    redundantly clearing the memory would just be a waste of time.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
    CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---
 tools/libxl/libxl_internal.c |    9 +++++++++
 tools/libxl/libxl_internal.h |    2 ++
 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/tools/libxl/libxl_internal.c b/tools/libxl/libxl_internal.c
index 6c105de..6c94d3e 100644
--- a/tools/libxl/libxl_internal.c
+++ b/tools/libxl/libxl_internal.c
@@ -78,6 +78,15 @@ void libxl__free_all(libxl__gc *gc)
     gc->alloc_maxsize = 0;
 }
 
+void *libxl__malloc(libxl__gc *gc, size_t size)
+{
+    void *ptr = malloc(size);
+    if (!ptr) libxl__alloc_failed(CTX, __func__, size, 1);
+
+    libxl__ptr_add(gc, ptr);
+    return ptr;
+}
+
 void *libxl__zalloc(libxl__gc *gc, size_t size)
 {
     void *ptr = calloc(size, 1);
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index be325bb..c2b73c4 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -504,6 +504,8 @@ static inline int libxl__gc_is_real(const libxl__gc *gc)
 _hidden void libxl__ptr_add(libxl__gc *gc_opt, void *ptr /* may be NULL */) 
NN1;
 /* if this is the outermost libxl callframe then free all pointers in @gc */
 _hidden void libxl__free_all(libxl__gc *gc);
+/* allocate @size bytes. (a gc'd malloc(3)) */
+_hidden void *libxl__malloc(libxl__gc *gc_opt, size_t size) NN1;
 /* allocate and zero @size. (similar to a gc'd malloc(3)+memzero()) */
 _hidden void *libxl__zalloc(libxl__gc *gc_opt, size_t size) NN1;
 /* allocate and zero memory for an array of @nmemb members of @size each.
--
generated by git-patchbot for /home/xen/git/xen.git#master

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