diff options
Diffstat (limited to 'common/cmd_nvedit.c')
| -rw-r--r-- | common/cmd_nvedit.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 9158b96224..f8dc38e89a 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -165,12 +165,13 @@ static int do_env_grep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { char *res = NULL; - int len, grep_flags; + int len, grep_how, grep_what; if (argc < 2) return CMD_RET_USAGE; - grep_flags = H_MATCH_BOTH; + grep_how = H_MATCH_SUBSTR; /* default: substring search */ + grep_what = H_MATCH_BOTH; /* default: grep names and values */ while (argc > 1 && **(argv + 1) == '-') { char *arg = *++argv; @@ -178,14 +179,19 @@ static int do_env_grep(cmd_tbl_t *cmdtp, int flag, --argc; while (*++arg) { switch (*arg) { +#ifdef CONFIG_REGEX + case 'e': /* use regex matching */ + grep_how = H_MATCH_REGEX; + break; +#endif case 'n': /* grep for name */ - grep_flags = H_MATCH_KEY; + grep_what = H_MATCH_KEY; break; case 'v': /* grep for value */ - grep_flags = H_MATCH_DATA; + grep_what = H_MATCH_DATA; break; case 'b': /* grep for both */ - grep_flags = H_MATCH_BOTH; + grep_what = H_MATCH_BOTH; break; case '-': goto DONE; @@ -197,7 +203,7 @@ static int do_env_grep(cmd_tbl_t *cmdtp, int flag, DONE: len = hexport_r(&env_htab, '\n', - flag | grep_flags | H_MATCH_SUBSTR, + flag | grep_what | grep_how, &res, 0, argc, argv); if (len > 0) { @@ -1153,8 +1159,12 @@ static char env_help_text[] = "env flags - print variables that have non-default flags\n" #endif #if defined(CONFIG_CMD_GREPENV) +#ifdef CONFIG_REGEX + "env grep [-e] [-n | -v | -b] string [...] - search environment\n" +#else "env grep [-n | -v | -b] string [...] - search environment\n" #endif +#endif #if defined(CONFIG_CMD_IMPORTENV) "env import [-d] [-t | -b | -c] addr [size] - import environment\n" #endif @@ -1200,8 +1210,15 @@ U_BOOT_CMD_COMPLETE( U_BOOT_CMD_COMPLETE( grepenv, CONFIG_SYS_MAXARGS, 0, do_env_grep, "search environment variables", +#ifdef CONFIG_REGEX + "[-e] [-n | -v | -b] string ...\n" +#else "[-n | -v | -b] string ...\n" +#endif " - list environment name=value pairs matching 'string'\n" +#ifdef CONFIG_REGEX + " \"-e\": enable regular expressions;\n" +#endif " \"-n\": search variable names; \"-v\": search values;\n" " \"-b\": search both names and values (default)", var_complete |
