example: Fix a truncation warning

This commit is contained in:
Anton Maklakov
2018-11-11 13:48:34 +08:00
parent bfd22a24da
commit 5e6509232e

View File

@@ -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 */