From: Anton Maklakov <anton@espressif.com>
Date: Sun, 11 Nov 2018 05:48:34 +0000 (+0800)
Subject: example: Fix a truncation warning
X-Git-Tag: v3.3-beta2~183^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5e6509232e1217f9929d938445b32bcd41e522a5;p=esp-idf

example: Fix a truncation warning
---

diff --git a/examples/wifi/simple_sniffer/main/cmd_sniffer.c b/examples/wifi/simple_sniffer/main/cmd_sniffer.c
index fb5aea630f..fdf7572c94 100644
--- a/examples/wifi/simple_sniffer/main/cmd_sniffer.c
+++ b/examples/wifi/simple_sniffer/main/cmd_sniffer.c
@@ -43,9 +43,9 @@ typedef struct {
 static esp_err_t create_packet_file(void)
 {
     uint32_t file_no = 0;
-    char filename[PCAP_FILE_NAME_MAX_LEN];
+    char filename[PCAP_FILE_NAME_MAX_LEN + 15];
     do {
-        snprintf(filename, PCAP_FILE_NAME_MAX_LEN, "%s%d.pcap", packet_filepath, file_no);
+        snprintf(filename, sizeof(filename), "%s%d.pcap", packet_filepath, file_no);
         file_no++;
     } while (0 == access(filename, F_OK));
     /* Create file to write, binary format */