mirror of
https://github.com/isar/libmdbx.git
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94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/*
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* @Dvirsw (https://t.me/Dvirsw)
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* I think there is a bug with DUPFIXED. The following code fails.
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*
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* https://t.me/libmdbx/5368
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*/
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#include <sys/stat.h>
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#include <sys/time.h>
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#include "mdbx.h"
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#include <assert.h>
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#include <inttypes.h>
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#include <limits.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main() {
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int rc;
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MDBX_env *env = NULL;
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MDBX_dbi dbi = 0;
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MDBX_val key, data;
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MDBX_txn *txn = NULL;
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rc = mdbx_env_create(&env);
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if (rc != MDBX_SUCCESS) {
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fprintf(stderr, "mdbx_env_create: (%d) %s\n", rc, mdbx_strerror(rc));
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exit(EXIT_FAILURE);
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}
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rc = mdbx_env_set_maxdbs(env, 1);
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if (rc != MDBX_SUCCESS) {
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fprintf(stderr, "mdbx_env_create: (%d) %s\n", rc, mdbx_strerror(rc));
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exit(EXIT_FAILURE);
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}
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rc = mdbx_env_open(env, "./example-db", MDBX_NOSUBDIR | MDBX_LIFORECLAIM,
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0664);
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if (rc != MDBX_SUCCESS) {
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fprintf(stderr, "mdbx_env_open: (%d) %s\n", rc, mdbx_strerror(rc));
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exit(EXIT_FAILURE);
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}
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rc = mdbx_txn_begin(env, NULL, 0, &txn);
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if (rc != MDBX_SUCCESS) {
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fprintf(stderr, "mdbx_txn_begin: (%d) %s\n", rc, mdbx_strerror(rc));
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exit(EXIT_FAILURE);
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}
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rc = mdbx_dbi_open(txn, "test", MDBX_DUPSORT | MDBX_DUPFIXED | MDBX_CREATE,
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&dbi);
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if (rc != MDBX_SUCCESS) {
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fprintf(stderr, "mdbx_dbi_open: (%d) %s\n", rc, mdbx_strerror(rc));
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exit(EXIT_FAILURE);
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}
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char key_bytes[32] = {0};
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key.iov_len = 32;
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key.iov_base = key_bytes;
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// Another put after this will fail.
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unsigned char idx;
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for (idx = 0; idx < 129; idx++) {
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char data_bytes[15] = {idx};
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data.iov_len = 15;
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data.iov_base = data_bytes;
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rc = mdbx_put(txn, dbi, &key, &data, 0);
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if (rc != MDBX_SUCCESS) {
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fprintf(stderr, "mdbx_put: (%d) %s\n", rc, mdbx_strerror(rc));
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exit(EXIT_FAILURE);
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}
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}
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// This will fail and exit.
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char data_bytes[15] = {idx};
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data.iov_len = 15;
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data.iov_base = data_bytes;
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rc = mdbx_put(txn, dbi, &key, &data, 0);
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if (rc != MDBX_SUCCESS) {
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fprintf(stderr, "mdbx_put: (%d) %s\n", rc, mdbx_strerror(rc));
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fprintf(stderr, "expected failure\n");
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exit(EXIT_FAILURE);
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}
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rc = mdbx_txn_commit(txn);
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if (rc) {
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fprintf(stderr, "mdbx_txn_commit: (%d) %s\n", rc, mdbx_strerror(rc));
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exit(EXIT_FAILURE);
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}
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}
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