try snprintf

apache · Jul 12, 2023 · b12028e · b12028e
1 parent 16e364c
commit b12028e
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/c/driver/sqlite/statement_reader.c b/c/driver/sqlite/statement_reader.c
@@ -164,19 +164,19 @@ static const char* ArrowTimestampToIsoString(int64_t value, enum ArrowTimeUnit u
       tsstr[19] = '.';
       assert(rem >= 0);
       assert(rem < 1000);
-      sprintf(tsstr + 20, "%03d", rem);
+      snprintf(tsstr + 20, 4, "%03d", rem);
       break;
     case NANOARROW_TIME_UNIT_MICRO:
       tsstr[19] = '.';
       assert(rem >= 0);
       assert(rem < 1000000);
-      sprintf(tsstr + 20, "%06d", rem);
+      snprintf(tsstr + 20, 7, "%06d", rem);
       break;
     case NANOARROW_TIME_UNIT_NANO:
       tsstr[19] = '.';
       assert(rem >= 0);
       assert(rem < 1000000000);
-      sprintf(tsstr + 20, "%09d", rem);
+      snprintf(tsstr + 20, 10, "%09d", rem);
       break;
   }