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spa: add spa_pod_memcmp

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Add a helper to memcmp two pods and use it in some places.
This commit is contained in:
Wim Taymans 2025-11-13 18:13:02 +01:00
parent b9a895f825
commit 18ff08243b
3 changed files with 11 additions and 10 deletions
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4
spa/include/spa/param/tag-utils.h
View file

@ -11,6 +11,7 @@
#include <spa/pod/builder.h>
#include <spa/pod/iter.h>
#include <spa/pod/parser.h>
#include <spa/pod/compare.h>
#include <spa/param/tag.h>
#ifdef __cplusplus
@ -33,8 +34,7 @@ extern "C" {
SPA_API_TAG_UTILS int
spa_tag_compare(const struct spa_pod *a, const struct spa_pod *b)
{
return ((a == b) || (a && b && SPA_POD_SIZE(a) == SPA_POD_SIZE(b) &&
memcmp(a, b, SPA_POD_SIZE(b)) == 0)) ? 0 : 1;
return spa_pod_memcmp(a, b);
}
SPA_API_TAG_UTILS int

13
spa/include/spa/pod/compare.h
View file

@ -80,6 +80,13 @@ SPA_API_POD_COMPARE int spa_pod_compare_value(uint32_t type, const void *r1, con
return 0;
}
SPA_API_POD_COMPARE int spa_pod_memcmp(const struct spa_pod *a,
const struct spa_pod *b)
{
return ((a == b) || (a && b && SPA_POD_SIZE(a) == SPA_POD_SIZE(b) &&
memcmp(a, b, SPA_POD_SIZE(b)) == 0)) ? 0 : 1;
}
SPA_API_POD_COMPARE int spa_pod_compare(const struct spa_pod *pod1,
const struct spa_pod *pod2)
{
@ -149,12 +156,8 @@ SPA_API_POD_COMPARE int spa_pod_compare(const struct spa_pod *pod1,
break;
}
case SPA_TYPE_Array:
{
if (pod1->size != pod2->size)
return -EINVAL;
res = memcmp(SPA_POD_BODY(pod1), SPA_POD_BODY(pod2), pod2->size);
res = spa_pod_memcmp(pod1, pod2);
break;
}
default:
if (pod1->size != pod2->size)
return -EINVAL;

4
spa/include/spa/pod/filter.h
View file

@ -339,9 +339,7 @@ SPA_API_POD_FILTER int spa_pod_filter_part(struct spa_pod_builder *b,
default:
if (pf != NULL) {
if (pp->size != pf->size)
return -EINVAL;
if (memcmp(pp, pf, pp->size) != 0)
if (spa_pod_memcmp(pp, pf) != 0)
return -EINVAL;
do_advance = true;
}