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modules: lvgl: Fix stdlib usage #94073

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Merged
merged 1 commit into from
Aug 6, 2025
Merged

modules: lvgl: Fix stdlib usage #94073

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3 changes: 3 additions & 0 deletions modules/lvgl/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ zephyr_include_directories(${LVGL_DIR}/src/)
zephyr_include_directories(include)

zephyr_compile_definitions(LV_CONF_INCLUDE_SIMPLE=1)
zephyr_library_compile_definitions(_POSIX_C_SOURCE=200809L)
zephyr_compile_definitions(LV_CONF_PATH="${CMAKE_CURRENT_SOURCE_DIR}/include/lv_conf.h")

zephyr_library_sources(
Expand Down Expand Up @@ -307,6 +308,8 @@ zephyr_library_sources(
${LVGL_DIR}/src/others/xml/parsers/lv_xml_textarea_parser.c

${LVGL_DIR}/src/stdlib/builtin/lv_tlsf.c
${LVGL_DIR}/src/stdlib/clib/lv_string_clib.c
${LVGL_DIR}/src/stdlib/clib/lv_sprintf_clib.c

${LVGL_DIR}/src/stdlib/lv_mem.c

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30 changes: 3 additions & 27 deletions modules/lvgl/include/lv_conf.h
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Expand Up @@ -14,7 +14,9 @@

/* Memory manager settings */

#define LV_USE_STDLIB_MALLOC LV_STDLIB_CUSTOM
#define LV_USE_STDLIB_MALLOC LV_STDLIB_CUSTOM
#define LV_USE_STDLIB_STRING LV_STDLIB_CLIB
#define LV_USE_STDLIB_SPRINTF LV_STDLIB_CLIB

#if defined(CONFIG_LV_Z_MEM_POOL_HEAP_LIB_C)
#define LV_STDLIB_INCLUDE "stdlib.h"
Expand All @@ -28,32 +30,6 @@
#define lv_free_core lvgl_free
#endif

/* Stdlib wrappers */

/* Needed because parameter types are not compatible */
static __always_inline void zmemset(void *dst, uint8_t v, size_t len)
{
memset(dst, v, len);
}

#define lv_snprintf snprintf
#define lv_vsnprintf vsnprintf
#define lv_memcpy memcpy
#define lv_memmove memmove
#define lv_memset zmemset
#define lv_memcmp memcmp
#define lv_strdup strdup
#define lv_strndup strndup
#define lv_strlen strlen
#define lv_strnlen strnlen
#define lv_strcmp strcmp
#define lv_strncmp strncmp
#define lv_strcpy strcpy
#define lv_strncpy strncpy
#define lv_strlcpy strlcpy
#define lv_strcat strcat
#define lv_strncat strncat
#define lv_strchr strchr
#define LV_ASSERT_HANDLER __ASSERT_NO_MSG(false);
#define LV_ASSERT_HANDLER_INCLUDE "zephyr/sys/__assert.h"

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