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parser: add more parser helpers

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This commit is contained in:
Wim Taymans 2019-01-03 17:43:07 +01:00
parent ba7b2d8c21
commit f246c7b8ef
1 changed files with 27 additions and 0 deletions
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27
spa/include/spa/pod/parser.h
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@ -359,6 +359,33 @@ static inline int spa_pod_get_double(struct spa_pod *pod, double *value)
return 0;
}
static inline int spa_pod_is_int(struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Int && SPA_POD_BODY_SIZE(pod) >= sizeof(int32_t));
}
static inline int spa_pod_get_int(struct spa_pod *pod, int32_t *value)
{
if (!spa_pod_is_int(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_int, pod);
return 0;
}
static inline int spa_pod_is_string(struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_String && SPA_POD_BODY_SIZE(pod) >= sizeof(1));
}
static inline int spa_pod_dup_string(struct spa_pod *pod, size_t maxlen, char *dest)
{
if (!spa_pod_is_string(pod) || maxlen < 1)
return -EINVAL;
strncpy(dest, (char *)SPA_POD_CONTENTS(struct spa_pod_string, pod), maxlen-1);
dest[maxlen-1]= '\0';
return 0;
}
#ifdef __cplusplus
} /* extern "C" */
#endif