fix: make C tests work again

src/extra/libs/fsdrv/lv_fs_stdio.c

@@ -14,7 +14,6 @@
 #ifndef WIN32
     #include <dirent.h>
     #include <unistd.h>
-    #include <errno.h>
 #else
     #include <windows.h>
 #endif
@@ -118,17 +117,7 @@ static void * fs_open(lv_fs_drv_t * drv, const char * path, lv_fs_mode_t mode)
     char buf[MAX_PATH_LEN];
     lv_snprintf(buf, sizeof(buf), LV_FS_STDIO_PATH "%s", path);
 
-    void * a = fopen(buf, flags);
-
-    printf("%s\n", path);
-    printf("%d\n", errno);
-
-    char buf2[512];
-    getcwd(buf2, 512);
-    printf("%s\n", buf2);
-    printf("%p\n", a);
-
-    return a;
+    return fopen(buf, flags);
 }
 
 /**

src/misc/lv_printf.h

@@ -68,38 +68,8 @@ typedef struct {
 int lv_snprintf_builtin(char * buffer, size_t count, const char * format, ...);
 int lv_vsnprintf_builtin(char * buffer, size_t count, const char * format, va_list va);
 
-/**
- * Tiny snprintf/vsnprintf implementation
- * \param buffer A pointer to the buffer where to store the formatted string
- * \param count The maximum number of characters to store in the buffer, including a terminating null character
- * \param format A string that specifies the format of the output
- * \param va A value identifying a variable arguments list
- * \return The number of characters that COULD have been written into the buffer, not counting the terminating
- *         null character. A value equal or larger than count indicates truncation. Only when the returned value
- *         is non-negative and less than count, the string has been completely written.
- */
-LV_FORMAT_ATTRIBUTE(3, 4) static inline int  lv_snprintf(char * buffer, size_t count, const char * format, ...)
-{
-
-    /* Declare a va_list type variable */
-    va_list args;
-
-    /* Initialise the va_list variable with the ... after fmt */
-    va_start(args, format);
-
-    /* Forward the '...' to vprintf */
-    int ret = LV_SNPRINTF(buffer, count, format, args);
-
-    /* Clean up the va_list */
-    va_end(args);
-
-    return ret;
-}
-
-LV_FORMAT_ATTRIBUTE(3, 0) static inline int lv_vsnprintf(char * buffer, size_t count, const char * format, va_list va)
-{
-    return  LV_VSNPRINTF(buffer, count, format, va);
-}
+#define lv_snprintf LV_SNPRINTF
+#define lv_vsnprintf LV_VSNPRINTF
 
 
 #ifdef __cplusplus

tests/src/test_cases/test_arc.c

@@ -129,7 +129,7 @@ void test_arc_click_area_with_adv_hittest(void)
     lv_obj_set_size(arc, 100, 100);
     lv_obj_set_style_arc_width(arc, 10, 0);
     lv_obj_add_flag(arc, LV_OBJ_FLAG_ADV_HITTEST);
-    lv_obj_add_event_cb(arc, dummy_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
+    lv_obj_add_event_cb(arc, dummy_event_cb, LV_EVENT_PRESSED, NULL);
     lv_obj_set_ext_click_area(arc, 5);
 
     /*No click detected at the middle*/

tests/src/test_cases/test_fs.c

@@ -17,13 +17,22 @@ void tearDown(void)
     /* Function run after every test */
 }
 #include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
 void test_read(void)
 {
     lv_fs_res_t res;
 
+    char cur[512];
+    getcwd(cur, 512);
+    errno = 0;
+    void * a = fopen("src/test_files/readtest.txt", "rd");
+    printf("%s, %d, %p\n", cur, errno, a);
+    fclose(a);
+
     /*'A' has cache*/
     lv_fs_file_t fa;
-    res = lv_fs_open(&fa, "A:readtest.txt", LV_FS_MODE_RD);
+    res = lv_fs_open(&fa, "A:src/test_files/readtest.txt", LV_FS_MODE_RD);
     TEST_ASSERT_EQUAL(LV_FS_RES_OK, res);
 
     /*'B' has no cache*/