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example: Fix a truncation warning

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Anton Maklakov
2018-11-11 13:48:34 +08:00
parent bfd22a24da
commit 5e6509232e
1 changed files with 2 additions and 2 deletions
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4
examples/wifi/simple_sniffer/main/cmd_sniffer.c
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@@ -43,9 +43,9 @@ typedef struct {
static esp_err_t create_packet_file(void) static esp_err_t create_packet_file(void)
{ {
uint32_t file_no = 0; uint32_t file_no = 0;
char filename[PCAP_FILE_NAME_MAX_LEN]; char filename[PCAP_FILE_NAME_MAX_LEN + 15];
do { 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++; file_no++;
} while (0 == access(filename, F_OK)); } while (0 == access(filename, F_OK));
/* Create file to write, binary format */ /* Create file to write, binary format */