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 9158b9622..f8dc38e89 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 |