diff options
| -rw-r--r-- | README | 1 | ||||
| -rw-r--r-- | common/cmd_nvedit.c | 55 | ||||
| -rw-r--r-- | include/configs/corenet_ds.h | 3 | ||||
| -rw-r--r-- | include/search.h | 6 | ||||
| -rw-r--r-- | lib/hashtable.c | 23 |
5 files changed, 84 insertions, 4 deletions
@@ -646,6 +646,7 @@ The following options need to be configured: CONFIG_CMD_FLASH flinfo, erase, protect CONFIG_CMD_FPGA FPGA device initialization support CONFIG_CMD_GO * the 'go' command (exec code) + CONFIG_CMD_GREPENV * search environment CONFIG_CMD_HWFLOW * RTS/CTS hw flow control CONFIG_CMD_I2C * I2C serial bus support CONFIG_CMD_IDE * IDE harddisk support diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index df0e6dbafda..817f39b5d90 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", diff --git a/include/configs/corenet_ds.h b/include/configs/corenet_ds.h index 4e2b3fb983d..bec8cd1ce15 100644 --- a/include/configs/corenet_ds.h +++ b/include/configs/corenet_ds.h @@ -476,14 +476,15 @@ */ #include <config_cmd_default.h> +#define CONFIG_CMD_DHCP #define CONFIG_CMD_ELF #define CONFIG_CMD_ERRATA +#define CONFIG_CMD_GREPENV #define CONFIG_CMD_IRQ #define CONFIG_CMD_I2C #define CONFIG_CMD_MII #define CONFIG_CMD_PING #define CONFIG_CMD_SETEXPR -#define CONFIG_CMD_DHCP #ifdef CONFIG_PCI #define CONFIG_CMD_PCI diff --git a/include/search.h b/include/search.h index a7c12937709..c827d4dbee9 100644 --- a/include/search.h +++ b/include/search.h @@ -80,6 +80,12 @@ extern int hsearch_r(ENTRY __item, ACTION __action, ENTRY ** __retval, */ extern int hmatch_r(const char *__match, int __last_idx, ENTRY ** __retval, struct hsearch_data *__htab); +/* + * Search for an entry whose key or data contains `MATCH'. Otherwise, + * Same semantics as hsearch_r(). + */ +extern int hstrstr_r(const char *__match, int __last_idx, ENTRY ** __retval, + struct hsearch_data *__htab); /* Search and delete entry matching ITEM.key in internal hash table. */ extern int hdelete_r(const char *__key, struct hsearch_data *__htab); diff --git a/lib/hashtable.c b/lib/hashtable.c index 92eaa3881ca..19d5b158eef 100644 --- a/lib/hashtable.c +++ b/lib/hashtable.c @@ -202,6 +202,29 @@ void hdestroy_r(struct hsearch_data *htab) * example for functions like hdelete(). */ +/* + * hstrstr_r - return index to entry whose key and/or data contains match + */ +int hstrstr_r(const char *match, int last_idx, ENTRY ** retval, + struct hsearch_data *htab) +{ + unsigned int idx; + + for (idx = last_idx + 1; idx < htab->size; ++idx) { + if (htab->table[idx].used <= 0) + continue; + if (strstr(htab->table[idx].entry.key, match) || + strstr(htab->table[idx].entry.data, match)) { + *retval = &htab->table[idx].entry; + return idx; + } + } + + __set_errno(ESRCH); + *retval = NULL; + return 0; +} + int hmatch_r(const char *match, int last_idx, ENTRY ** retval, struct hsearch_data *htab) { |