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#include <assert.h>
#include <stdbool.h>
#include <string.h>
#include <sqlite3ext.h>
SQLITE_EXTENSION_INIT1
static void
streq(sqlite3_context *const ctx, const int argc, sqlite3_value **const argv) {
assert(argc == 2);
const char *const str1 = (const char *)sqlite3_value_text(argv[0]);
const char *const str2 = (const char *)sqlite3_value_text(argv[1]);
const bool equal = strcmp(str1, str2) == 0;
const int result = equal ? 1 : 0;
sqlite3_result_int(ctx, result);
}
int
sqlite3_extension_init(
sqlite3 *const db,
const char *const *const errmsg,
const sqlite3_api_routines *const api
) {
SQLITE_EXTENSION_INIT2(api);
(void)errmsg;
return sqlite3_create_function(
db,
"streq",
2,
SQLITE_UTF8,
(void *)db,
streq,
NULL,
NULL
);
}
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