common: env: fixup comments and help text

diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index b67563bd6836dd94664cdb9b52e9f5ffd024f7f1..d26c97b177df59d7a14d61def51723ed3ab997d7 100644 (file)
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -970,7 +970,7 @@ sep_err:
 /*
  * env import [-d] [-t [-r] | -b | -c] addr [size]
  *     -d:     delete existing environment before importing;
- *             otherwise overwrite / append to existion definitions
+ *             otherwise overwrite / append to existing definitions
  *     -t:     assume text format; either "size" must be given or the
  *             text data must be '\0' terminated
  *     -r:     handle CRLF like LF, that means exported variables with
@@ -1035,7 +1035,7 @@ static int do_env_import(cmd_tbl_t *cmdtp, int flag,
        if (!fmt)
                printf("## Warning: defaulting to text format\n");
 
-       if (sep != '\n' && crlf_is_lf )
+       if (sep != '\n' && crlf_is_lf)
                crlf_is_lf = 0;
 
        addr = simple_strtoul(argv[0], NULL, 16);
@@ -1210,6 +1210,20 @@ static char env_help_text[] =
 #endif
 #if defined(CONFIG_CMD_IMPORTENV)
        "env import [-d] [-t [-r] | -b | -c] addr [size] - import environment\n"
+       "       -d:     delete existing environment before importing;\n"
+       "               otherwise overwrite / append to existing definitions\n"
+       "       -t:     assume text format; either 'size' must be given or the\n"
+       "               text data must be '\0' terminated\n"
+       "       -r:     handle CRLF like LF, that means exported variables with\n"
+       "               a content which ends with \r won't get imported. Used\n"
+       "               to import text files created with editors which are using CRLF\n"
+       "               for line endings. Only effective in addition to -t.\n"
+       "       -b:     assume binary format ('\0' separated, '\0\0' terminated)\n"
+       "       -c:     assume checksum protected environment format\n"
+       "       addr:   memory address to read from\n"
+       "       size:   length of input data; if missing, proper '\0'\n"
+       "               termination is mandatory\n"
+
 #endif
        "env print [-a | name ...] - print environment\n"
 #if defined(CONFIG_CMD_RUN)