diff options
Diffstat (limited to 'common/cmd_nvedit.c')
| -rw-r--r-- | common/cmd_nvedit.c | 55 |
1 files changed, 52 insertions, 3 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index df0e6db..817f39b 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -4,7 +4,9 @@ * * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Andreas Heppel <aheppel@sysgo.de> - + * + * Copyright 2011 Freescale Semiconductor, Inc. + * * See file CREDITS for list of people who contributed to this * project. * @@ -160,6 +162,37 @@ int do_env_print (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return rcode; } +#ifdef CONFIG_CMD_GREPENV +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; + + if (argc < 2) + return cmd_usage(cmdtp); + + memset(matched, 0, env_htab.size / 8); + + 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"); + } + matched[idx / 8] |= 1 << (idx & 7); + rcode = 0; + } + arg++; + } + + return rcode; +} +#endif + /* * Set a new environment variable, * or replace or delete an existing one. @@ -829,6 +862,9 @@ static cmd_tbl_t cmd_env_sub[] = { #if defined(CONFIG_CMD_EXPORTENV) U_BOOT_CMD_MKENT(export, 4, 0, do_env_export, "", ""), #endif +#if defined(CONFIG_CMD_GREPENV) + U_BOOT_CMD_MKENT(grep, CONFIG_SYS_MAXARGS, 1, do_env_grep, "", ""), +#endif #if defined(CONFIG_CMD_IMPORTENV) U_BOOT_CMD_MKENT(import, 5, 0, do_env_import, "", ""), #endif @@ -878,8 +914,11 @@ U_BOOT_CMD( #if defined(CONFIG_CMD_EDITENV) "env edit name - edit environment variable\n" #endif - "env export [-t | -b | -c] addr [size] - export environmnt\n" - "env import [-d] [-t | -b | -c] addr [size] - import environmnt\n" + "env export [-t | -b | -c] addr [size] - export environment\n" +#if defined(CONFIG_CMD_GREPENV) + "env grep string [...] - search environment\n" +#endif + "env import [-d] [-t | -b | -c] addr [size] - import environment\n" "env print [name ...] - print environment\n" #if defined(CONFIG_CMD_RUN) "env run var [...] - run commands in an environment variable\n" @@ -911,6 +950,16 @@ U_BOOT_CMD_COMPLETE( var_complete ); +#ifdef CONFIG_CMD_GREPENV +U_BOOT_CMD_COMPLETE( + grepenv, CONFIG_SYS_MAXARGS, 0, do_env_grep, + "search environment variables", + "string ...\n" + " - list environment name=value pairs matching 'string'", + var_complete +); +#endif + U_BOOT_CMD_COMPLETE( setenv, CONFIG_SYS_MAXARGS, 0, do_env_set, "set environment variables", |