diff options
| -rw-r--r-- | cgpt/cmd_show.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/cgpt/cmd_show.c b/cgpt/cmd_show.c index 22d31841..4d169f5e 100644 --- a/cgpt/cmd_show.c +++ b/cgpt/cmd_show.c @@ -70,6 +70,10 @@ int cmd_show(int argc, char *argv[]) { case 'i': params.partition = (uint32_t)strtoul(optarg, &e, 0); errorcnt += check_int_parse(c, e); + if (params.partition <= 0) { + Error("-i requires a number between 1 and 128 (inclusive)\n"); + errorcnt++; + } break; case 'b': case 's': @@ -82,6 +86,12 @@ int cmd_show(int argc, char *argv[]) { case 'R': case 'B': case 'A': + if (params.single_item) { + Error("-%c already specified; rejecting additional -%c\n", + params.single_item, c); + Error("Only a single item may be displayed at a time\n"); + errorcnt++; + } params.single_item = c; break; @@ -105,6 +115,10 @@ int cmd_show(int argc, char *argv[]) { break; } } + if (!params.partition && params.single_item) { + Error("-i required when displaying a single item\n"); + errorcnt++; + } if (errorcnt) { Usage(); |