diff options
| author | Joe Hershberger <joe.hershberger@ni.com> | 2012-12-11 22:16:36 -0600 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-12-13 11:46:57 -0700 |
| commit | 9d8d661d7fda6ccda1d5fc31565f207b7648bc6d (patch) | |
| tree | c9c47df3ca209fe5d9a12903ad372157cff38d72 | |
| parent | 24ab5a1914283b891fa50bc285128bc5fd4ac50a (diff) | |
| download | u-boot-imx-9d8d661d7fda6ccda1d5fc31565f207b7648bc6d.zip u-boot-imx-9d8d661d7fda6ccda1d5fc31565f207b7648bc6d.tar.gz u-boot-imx-9d8d661d7fda6ccda1d5fc31565f207b7648bc6d.tar.bz2 | |
env: Implement the env delete command
Implement a way to delete more than one variable at a time.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
| -rw-r--r-- | common/cmd_nvedit.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 988d6b3..7633f0c 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -725,8 +725,36 @@ static int do_env_default(cmd_tbl_t *cmdtp, int __flag, static int do_env_delete(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - printf("Not implemented yet\n"); - return 0; + int env_flag = H_INTERACTIVE; + int ret = 0; + + debug("Initial value for argc=%d\n", argc); + while (argc > 1 && **(argv + 1) == '-') { + char *arg = *++argv; + + --argc; + while (*++arg) { + switch (*arg) { + case 'f': /* force */ + env_flag |= H_FORCE; + break; + default: + return CMD_RET_USAGE; + } + } + } + debug("Final value for argc=%d\n", argc); + + env_id++; + + while (--argc > 0) { + char *name = *++argv; + + if (!hdelete_r(name, &env_htab, env_flag)) + ret = 1; + } + + return ret; } #ifdef CONFIG_CMD_EXPORTENV @@ -995,7 +1023,7 @@ static cmd_tbl_t cmd_env_sub[] = { U_BOOT_CMD_MKENT(ask, CONFIG_SYS_MAXARGS, 1, do_env_ask, "", ""), #endif U_BOOT_CMD_MKENT(default, 1, 0, do_env_default, "", ""), - U_BOOT_CMD_MKENT(delete, 2, 0, do_env_delete, "", ""), + U_BOOT_CMD_MKENT(delete, CONFIG_SYS_MAXARGS, 0, do_env_delete, "", ""), #if defined(CONFIG_CMD_EDITENV) U_BOOT_CMD_MKENT(edit, 2, 0, do_env_edit, "", ""), #endif @@ -1060,6 +1088,7 @@ static char env_help_text[] = #endif "default [-f] -a - [forcibly] reset default environment\n" "env default [-f] var [...] - [forcibly] reset variable(s) to their default values\n" + "env delete [-f] var [...] - [forcibly] delete variable(s)\n" #if defined(CONFIG_CMD_EDITENV) "env edit name - edit environment variable\n" #endif |