fiptool: introduce xzalloc() helper function
We often want to zero out allocated memory.
My main motivation for this commit is to set image::next and
image_desc::next to NULL automatically in the next commit.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/tools/fiptool/fiptool.c b/tools/fiptool/fiptool.c
index fc0c8d6..4b91b1f 100644
--- a/tools/fiptool/fiptool.c
+++ b/tools/fiptool/fiptool.c
@@ -155,12 +155,17 @@
return d;
}
+static void *xzalloc(size_t size, const char *msg)
+{
+ return memset(xmalloc(size, msg), 0, size);
+}
+
static image_desc_t *new_image_desc(const uuid_t *uuid,
const char *name, const char *cmdline_name)
{
image_desc_t *desc;
- desc = xmalloc(sizeof(*desc),
+ desc = xzalloc(sizeof(*desc),
"failed to allocate memory for image descriptor");
memcpy(&desc->uuid, uuid, sizeof(uuid_t));
desc->name = xstrdup(name,
@@ -168,7 +173,6 @@
desc->cmdline_name = xstrdup(cmdline_name,
"failed to allocate memory for image command line name");
desc->action = DO_UNSPEC;
- desc->action_arg = NULL;
return desc;
}
