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util: introduce and use ARRAY_SIZE macro

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The macro definition matches the one used in Linux, see e.g.
9702969978/include/linux/array_size.h (L11)
(without the additional check rejecting pointers, as we would need
 GNU C for that, see e.g. https://stackoverflow.com/a/19455169)
This commit is contained in:
Sebastian Falbesoner
2026-02-16 23:47:51 +01:00
parent 322d0a4358
commit 921b9711ea
8 changed files with 42 additions and 38 deletions
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7
src/modules/ellswift/tests_impl.h
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@@ -8,6 +8,7 @@
#include "../../../include/secp256k1_ellswift.h"
#include "../../unit_test.h"
#include "../../util.h"
struct ellswift_xswiftec_inv_test {
int enc_bitmap;
@@ -180,7 +181,7 @@ static int ellswift_xdh_hash_x32(unsigned char *output, const unsigned char *x32
/* Run the test vectors for ellswift encoding */
void ellswift_encoding_test_vectors_tests(void) {
int i;
for (i = 0; (unsigned)i < sizeof(ellswift_xswiftec_inv_tests) / sizeof(ellswift_xswiftec_inv_tests[0]); ++i) {
for (i = 0; (unsigned)i < ARRAY_SIZE(ellswift_xswiftec_inv_tests); ++i) {
const struct ellswift_xswiftec_inv_test *testcase = &ellswift_xswiftec_inv_tests[i];
int c;
for (c = 0; c < 8; ++c) {
@@ -200,7 +201,7 @@ void ellswift_encoding_test_vectors_tests(void) {
/* Run the test vectors for ellswift decoding */
void ellswift_decoding_test_vectors_tests(void) {
int i;
for (i = 0; (unsigned)i < sizeof(ellswift_decode_tests) / sizeof(ellswift_decode_tests[0]); ++i) {
for (i = 0; (unsigned)i < ARRAY_SIZE(ellswift_decode_tests); ++i) {
const struct ellswift_decode_test *testcase = &ellswift_decode_tests[i];
secp256k1_pubkey pubkey;
secp256k1_ge ge;
@@ -217,7 +218,7 @@ void ellswift_decoding_test_vectors_tests(void) {
/* Run the test vectors for ellswift expected xdh BIP324 shared secrets */
void ellswift_xdh_test_vectors_tests(void) {
int i;
for (i = 0; (unsigned)i < sizeof(ellswift_xdh_tests_bip324) / sizeof(ellswift_xdh_tests_bip324[0]); ++i) {
for (i = 0; (unsigned)i < ARRAY_SIZE(ellswift_xdh_tests_bip324); ++i) {
const struct ellswift_xdh_test *test = &ellswift_xdh_tests_bip324[i];
unsigned char shared_secret[32];
int ret;