From d414fed086f84cfe9d8e7e968315d69314f82409 Mon Sep 17 00:00:00 2001 From: hjxilinx Date: Thu, 10 Oct 2019 22:07:51 +0800 Subject: [PATCH] fix the bug of issue #604 --- src/client/src/tscSql.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/src/client/src/tscSql.c b/src/client/src/tscSql.c index 9cbb23ffce..176a6aec18 100644 --- a/src/client/src/tscSql.c +++ b/src/client/src/tscSql.c @@ -706,10 +706,17 @@ int taos_print_row(char *str, TAOS_ROW row, TAOS_FIELD *fields, int num_fields) break; case TSDB_DATA_TYPE_BINARY: - case TSDB_DATA_TYPE_NCHAR: + case TSDB_DATA_TYPE_NCHAR:{ /* limit the max length of string to no greater than the maximum length, * in case of not null-terminated string */ - len += snprintf(str + len, (size_t)fields[i].bytes + 1, "%s ", (char *)row[i]); + size_t xlen = strlen(row[i]); + size_t trueLen = MIN(xlen, fields[i].bytes); + + memcpy(str + len, (char*) row[i], trueLen); + + str[len + trueLen] = ' '; + len += (trueLen + 1); + } break; case TSDB_DATA_TYPE_TIMESTAMP: -- GitLab