diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_gpt.c | 61 |
1 files changed, 46 insertions, 15 deletions
diff --git a/common/cmd_gpt.c b/common/cmd_gpt.c index 1f12e6deb6..e38422d792 100644 --- a/common/cmd_gpt.c +++ b/common/cmd_gpt.c @@ -29,30 +29,53 @@ * * @return - zero on successful expand and env is set */ -static char extract_env(const char *str, char **env) +static int extract_env(const char *str, char **env) { + int ret = -1; char *e, *s; +#ifdef CONFIG_RANDOM_UUID + char uuid_str[UUID_STR_LEN + 1]; +#endif if (!str || strlen(str) < 4) return -1; - if ((strncmp(str, "${", 2) == 0) && (str[strlen(str) - 1] == '}')) { - s = strdup(str); - if (s == NULL) - return -1; - memset(s + strlen(s) - 1, '\0', 1); - memmove(s, s + 2, strlen(s) - 1); + if (!((strncmp(str, "${", 2) == 0) && (str[strlen(str) - 1] == '}'))) + return -1; + + s = strdup(str); + if (s == NULL) + return -1; + + memset(s + strlen(s) - 1, '\0', 1); + memmove(s, s + 2, strlen(s) - 1); + + e = getenv(s); + if (e == NULL) { +#ifdef CONFIG_RANDOM_UUID + debug("%s unset. ", str); + gen_rand_uuid_str(uuid_str, UUID_STR_FORMAT_STD); + setenv(s, uuid_str); + e = getenv(s); - free(s); - if (e == NULL) { - printf("Environmental '%s' not set\n", str); - return -1; /* env not set */ + if (e) { + debug("Set to random.\n"); + ret = 0; + } else { + debug("Can't get random UUID.\n"); } - *env = e; - return 0; +#else + debug("%s unset.\n", str); +#endif + } else { + debug("%s get from environment.\n", str); + ret = 0; } - return -1; + *env = e; + free(s); + + return ret; } /** @@ -299,8 +322,16 @@ static int do_gpt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return CMD_RET_FAILURE; } - if (gpt_default(blk_dev_desc, argv[4])) + puts("Writing GPT: "); + + ret = gpt_default(blk_dev_desc, argv[4]); + if (!ret) { + puts("success!\n"); + return CMD_RET_SUCCESS; + } else { + puts("error!\n"); return CMD_RET_FAILURE; + } } else { return CMD_RET_USAGE; } |