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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>
This commit is contained in:
Masahiro Yamada 2017-01-15 00:50:41 +09:00
parent 44f1c0bded
commit 696ccba690
1 changed files with 6 additions and 2 deletions
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8
tools/fiptool/fiptool.c
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@ -155,12 +155,17 @@ static void *xmalloc(size_t size, const char *msg)
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 @@ static image_desc_t *new_image_desc(const uuid_t *uuid,
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;
}