add case manager

checker/casemanager.cpp

@@ -0,0 +1,35 @@
+#include <sqlite3.h>
+#include <stdio.h>
+
+static int callback(void *NotUsed, int argc, char **argv, char **azColName) {
+  int i;
+  for (i = 0; i < argc; i++) {
+    printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
+  }
+  printf("\n");
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  sqlite3 *db;
+  char *zErrMsg = 0;
+  int rc;
+
+  if (argc != 3) {
+    fprintf(stderr, "Usage: %s DATABASE SQL-STATEMENT\n", argv[0]);
+    return (1);
+  }
+  rc = sqlite3_open(argv[1], &db);
+  if (rc) {
+    fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
+    sqlite3_close(db);
+    return (1);
+  }
+  rc = sqlite3_exec(db, argv[2], callback, 0, &zErrMsg);
+  if (rc != SQLITE_OK) {
+    fprintf(stderr, "SQL error: %s\n", zErrMsg);
+    sqlite3_free(zErrMsg);
+  }
+  sqlite3_close(db);
+  return 0;
+}