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;
--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;
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) {
/**
* Set an environment variable to an integer value
*
- * @param varname Environmet variable to set
+ * @param varname Environment variable to set
* @param value Value to set it to
* @return 0 if ok, 1 on error
*/
/**
* Set an environment variable to an value in hex
*
- * @param varname Environmet variable to set
+ * @param varname Environment variable to set
* @param value Value to set it to
* @return 0 if ok, 1 on error
*/
"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
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