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lvgldemo: use nitems instead of sizeof

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Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
This commit is contained in:
pengyiqiang 2023-02-22 20:57:02 +08:00 committed by Xiang Xiao
parent 6b44c59bee
commit e86745b9a2
1 changed files with 4 additions and 6 deletions
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10
examples/lvgldemo/lvgldemo.c
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@ -25,6 +25,7 @@
#include <nuttx/config.h> #include <nuttx/config.h>
#include <sys/boardctl.h> #include <sys/boardctl.h>
#include <sys/param.h>
#include <unistd.h> #include <unistd.h>
#include <stddef.h> #include <stddef.h>
#include <stdlib.h> #include <stdlib.h>
@ -113,8 +114,7 @@ static const struct func_key_pair_s func_key_pair[] =
static void show_usage(void) static void show_usage(void)
{ {
int i; int i;
const int len = sizeof(func_key_pair) const int len = nitems(func_key_pair) - 1;
/ sizeof(struct func_key_pair_s) - 1;
if (len == 0) if (len == 0)
{ {
@ -141,8 +141,7 @@ static void show_usage(void)
static demo_create_func_t find_demo_create_func(FAR const char *name) static demo_create_func_t find_demo_create_func(FAR const char *name)
{ {
int i; int i;
const int len = sizeof(func_key_pair) const int len = nitems(func_key_pair) - 1;
/ sizeof(struct func_key_pair_s) - 1;
for (i = 0; i < len; i++) for (i = 0; i < len; i++)
{ {
@ -177,8 +176,7 @@ int main(int argc, FAR char *argv[])
{ {
demo_create_func_t demo_create_func; demo_create_func_t demo_create_func;
FAR const char *demo = NULL; FAR const char *demo = NULL;
const int func_key_pair_len = sizeof(func_key_pair) / const int func_key_pair_len = nitems(func_key_pair);
sizeof(func_key_pair[0]);
#ifdef CONFIG_LIBUV #ifdef CONFIG_LIBUV
uv_loop_t ui_loop; uv_loop_t ui_loop;