diff options
Diffstat (limited to 'src/sg_get_elem_status.c')
| -rw-r--r-- | src/sg_get_elem_status.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/sg_get_elem_status.c b/src/sg_get_elem_status.c index fc46608a..4501a935 100644 --- a/src/sg_get_elem_status.c +++ b/src/sg_get_elem_status.c @@ -37,7 +37,7 @@ * given SCSI device. */ -static const char * version_str = "1.11 20220616"; /* sbc5r01 */ +static const char * version_str = "1.12 20220626"; /* sbc5r01 */ #define MY_NAME "sg_get_elem_status" @@ -111,6 +111,7 @@ usage() "in binary\n" " --json[=JO]|-j[JO] output in JSON instead of human " "readable text\n" + " use --json=? for JSON help\n" " --maxlen=LEN|-m LEN max response length (allocation " "length in cdb)\n" " (def: 0 -> %d bytes)\n", @@ -337,8 +338,15 @@ main(int argc, char * argv[]) break; case 'j': if (! sgj_init_state(&json_st, optarg)) { - pr2serr("bad argument to --json= option, unrecognized " - "character '%c'\n", json_st.first_bad_char); + int bad_char = json_st.first_bad_char; + char e[1500]; + + if (bad_char) { + pr2serr("bad argument to --json= option, unrecognized " + "character '%c'\n\n", bad_char); + } + sg_json_usage(0, e, sizeof(e)); + pr2serr("%s", e); return SG_LIB_SYNTAX_ERROR; } break; |