targets/var_access.c
author Edouard Tisserant <edouard.tisserant@gmail.com>
Sat, 05 Mar 2022 11:14:00 +0100
branchwxPython4
changeset 3437 ce366d67a5b7
parent 3395 93ad018fb602
permissions -rw-r--r--
Tests: Enhance robustness of stdout driven waiting state in Sikuli based tests.

Some tests were randomly passing, because from time to time waiting for idle was skiped. It was combination of multiple problems :
- buffering on stdout (now use readline + flush for each write to log)
- it is sometime required to wait for activity before waiting for timeout added "WaitForChangeAndIdle" to "stdoutIdleObserver"

#define __Unpack_case_t(TYPENAME)                                           \
        case TYPENAME##_ENUM :                                              \
            if(flags) *flags = ((__IEC_##TYPENAME##_t *)varp)->flags;       \
            if(value_p) *value_p = &((__IEC_##TYPENAME##_t *)varp)->value;  \
		    if(size) *size = sizeof(TYPENAME);                              \
            break;

#define __Unpack_case_p(TYPENAME)                                           \
        case TYPENAME##_O_ENUM :                                            \
        case TYPENAME##_P_ENUM :                                            \
            if(flags) *flags = ((__IEC_##TYPENAME##_p *)varp)->flags;       \
            if(value_p) *value_p = ((__IEC_##TYPENAME##_p *)varp)->value;   \
		    if(size) *size = sizeof(TYPENAME);                              \
            break;

#define __Is_a_string(dsc) (dsc->type == STRING_ENUM)   ||\
                           (dsc->type == STRING_P_ENUM) ||\
                           (dsc->type == STRING_O_ENUM)

static int UnpackVar(__Unpack_desc_type *dsc, void **value_p, char *flags, size_t *size)
{
    void *varp = dsc->ptr;
    /* find data to copy*/
    switch(dsc->type){
        __ANY(__Unpack_case_t)
        __ANY(__Unpack_case_p)
    default:
        return 0; /* should never happen */
    }
    return 1;
}