diff options
| -rw-r--r-- | src/host/layer23/src/misc/app_cell_log.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/host/layer23/src/misc/app_cell_log.c b/src/host/layer23/src/misc/app_cell_log.c index 6669a955..a7f42c37 100644 --- a/src/host/layer23/src/misc/app_cell_log.c +++ b/src/host/layer23/src/misc/app_cell_log.c @@ -110,14 +110,13 @@ static int l23_getopt_options(struct option **options) return ARRAY_SIZE(opts); } -static char* print_band_range(uint16_t range[][2], char* buf) +static char* print_band_range(uint16_t range[][2], char* buf, size_t buf_len) { int i = 0; int idx = 0; - while(range[i][0] != 0 || range[i][1] != 0) { - sprintf(buf + idx, "%u-%u,", range[i][0], range[i][1]); + while (idx < buf_len && (range[i][0] != 0 || range[i][1] != 0)) { + idx += snprintf(&buf[idx], buf_len - idx, "%u-%u,", range[i][0], range[i][1]); i++; - idx = strlen(buf); } buf[idx-1] = '\0'; return buf; @@ -223,7 +222,7 @@ static int l23_cfg_handle(int c, const char *optarg) break; case 'A': parse_band_range((char*)optarg); - printf("New frequencies range: %s\n", print_band_range(*band_range, buf)); + printf("New frequencies range: %s\n", print_band_range(*band_range, buf, sizeof(buf))); break; } return 0; |