diff options
Diffstat (limited to 'common/cmd_nvedit.c')
| -rw-r--r-- | common/cmd_nvedit.c | 102 |
1 files changed, 80 insertions, 22 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 68b0f4f..f8dc38e 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000-2010 + * (C) Copyright 2000-2013 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> @@ -164,31 +164,57 @@ static int do_env_print(cmd_tbl_t *cmdtp, int flag, int argc, static int do_env_grep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - ENTRY *match; - unsigned char matched[env_htab.size / 8]; - int rcode = 1, arg = 1, idx; + char *res = NULL; + int len, grep_how, grep_what; if (argc < 2) return CMD_RET_USAGE; - memset(matched, 0, env_htab.size / 8); + grep_how = H_MATCH_SUBSTR; /* default: substring search */ + grep_what = H_MATCH_BOTH; /* default: grep names and values */ - while (arg <= argc) { - idx = 0; - while ((idx = hstrstr_r(argv[arg], idx, &match, &env_htab))) { - if (!(matched[idx / 8] & (1 << (idx & 7)))) { - puts(match->key); - puts("="); - puts(match->data); - puts("\n"); + 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_what = H_MATCH_KEY; + break; + case 'v': /* grep for value */ + grep_what = H_MATCH_DATA; + break; + case 'b': /* grep for both */ + grep_what = H_MATCH_BOTH; + break; + case '-': + goto DONE; + default: + return CMD_RET_USAGE; } - matched[idx / 8] |= 1 << (idx & 7); - rcode = 0; } - arg++; } - return rcode; +DONE: + len = hexport_r(&env_htab, '\n', + flag | grep_what | grep_how, + &res, 0, argc, argv); + + if (len > 0) { + puts(res); + free(res); + } + + if (len < 2) + return 1; + + return 0; } #endif #endif /* CONFIG_SPL_BUILD */ @@ -315,6 +341,21 @@ int setenv_hex(const char *varname, ulong value) return setenv(varname, str); } +ulong getenv_hex(const char *varname, ulong default_val) +{ + const char *s; + ulong value; + char *endp; + + s = getenv(varname); + if (s) + value = simple_strtoul(s, &endp, 16); + if (!s || endp == s) + return default_val; + + return value; +} + #ifndef CONFIG_SPL_BUILD static int do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -877,7 +918,9 @@ NXTARG: ; argv++; if (sep) { /* export as text file */ - len = hexport_r(&env_htab, sep, 0, &addr, size, argc, argv); + len = hexport_r(&env_htab, sep, + H_MATCH_KEY | H_MATCH_IDENT, + &addr, size, argc, argv); if (len < 0) { error("Cannot export environment: errno = %d\n", errno); return 1; @@ -895,7 +938,9 @@ NXTARG: ; else /* export as raw binary data */ res = addr; - len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, argc, argv); + len = hexport_r(&env_htab, '\0', + H_MATCH_KEY | H_MATCH_IDENT, + &res, ENV_SIZE, argc, argv); if (len < 0) { error("Cannot export environment: errno = %d\n", errno); return 1; @@ -1114,7 +1159,11 @@ static char env_help_text[] = "env flags - print variables that have non-default flags\n" #endif #if defined(CONFIG_CMD_GREPENV) - "env grep string [...] - search environment\n" +#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" @@ -1161,8 +1210,17 @@ U_BOOT_CMD_COMPLETE( U_BOOT_CMD_COMPLETE( grepenv, CONFIG_SYS_MAXARGS, 0, do_env_grep, "search environment variables", - "string ...\n" - " - list environment name=value pairs matching 'string'", +#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 ); #endif |