[Xen-devel] [PATCH v5 23/24] xl: introduce xcalloc

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/libxl/xl_cmdimpl.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 440db78..ec7fb2d 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -289,6 +289,18 @@ static void *xmalloc(size_t sz) {
     return r;
 }
 
+static void *xcalloc(size_t n, size_t sz) __attribute__((unused));
+static void *xcalloc(size_t n, size_t sz) {
+    void *r;
+    r = calloc(n, sz);
+    if (!r) {
+        fprintf(stderr,"xl: Unable to calloc %lu bytes.\n",
+                (unsigned long)sz * (unsigned long)n);
+        exit(-ERROR_FAIL);
+    }
+    return r;
+}
+
 static void *xrealloc(void *ptr, size_t sz) {
     void *r;
     if (!sz) { free(ptr); return 0; }
-- 
1.9.1


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