diff options
Diffstat (limited to 'cmd/nvedit.c')
-rw-r--r-- | cmd/nvedit.c | 122 |
1 files changed, 5 insertions, 117 deletions
diff --git a/cmd/nvedit.c b/cmd/nvedit.c index daf1ad37f9..e77338f813 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -49,20 +49,6 @@ DECLARE_GLOBAL_DATA_PTR; */ #define MAX_ENV_SIZE (1 << 20) /* 1 MiB */ -/* - * This variable is incremented on each do_env_set(), so it can - * be used via env_get_id() as an indication, if the environment - * has changed or not. So it is possible to reread an environment - * variable only if the environment was changed ... done so for - * example in NetInitLoop() - */ -static int env_id = 1; - -int env_get_id(void) -{ - return env_id; -} - #ifndef CONFIG_SPL_BUILD /* * Command interface: print one or all environment variables @@ -198,104 +184,6 @@ DONE: #endif #endif /* CONFIG_SPL_BUILD */ -/* - * Set a new environment variable, - * or replace or delete an existing one. - */ -static int _do_env_set(int flag, int argc, char *const argv[], int env_flag) -{ - int i, len; - char *name, *value, *s; - struct env_entry e, *ep; - - debug("Initial value for argc=%d\n", argc); - -#if !IS_ENABLED(CONFIG_SPL_BUILD) && IS_ENABLED(CONFIG_CMD_NVEDIT_EFI) - if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'e') - return do_env_set_efi(NULL, flag, --argc, ++argv); -#endif - - 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); - name = argv[1]; - - if (strchr(name, '=')) { - printf("## Error: illegal character '='" - "in variable name \"%s\"\n", name); - return 1; - } - - env_id++; - - /* Delete only ? */ - if (argc < 3 || argv[2] == NULL) { - int rc = hdelete_r(name, &env_htab, env_flag); - - /* If the variable didn't exist, don't report an error */ - return rc && rc != -ENOENT ? 1 : 0; - } - - /* - * Insert / replace new value - */ - for (i = 2, len = 0; i < argc; ++i) - len += strlen(argv[i]) + 1; - - value = malloc(len); - if (value == NULL) { - printf("## Can't malloc %d bytes\n", len); - return 1; - } - for (i = 2, s = value; i < argc; ++i) { - char *v = argv[i]; - - while ((*s++ = *v++) != '\0') - ; - *(s - 1) = ' '; - } - if (s != value) - *--s = '\0'; - - e.key = name; - e.data = value; - hsearch_r(e, ENV_ENTER, &ep, &env_htab, env_flag); - free(value); - if (!ep) { - printf("## Error inserting \"%s\" variable, errno=%d\n", - name, errno); - return 1; - } - - return 0; -} - -int env_set(const char *varname, const char *varvalue) -{ - const char * const argv[4] = { "setenv", varname, varvalue, NULL }; - - /* before import into hashtable */ - if (!(gd->flags & GD_FLG_ENV_READY)) - return 1; - - if (varvalue == NULL || varvalue[0] == '\0') - return _do_env_set(0, 2, (char * const *)argv, H_PROGRAMMATIC); - else - return _do_env_set(0, 3, (char * const *)argv, H_PROGRAMMATIC); -} - #ifndef CONFIG_SPL_BUILD static int do_env_set(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) @@ -303,7 +191,7 @@ static int do_env_set(struct cmd_tbl *cmdtp, int flag, int argc, if (argc < 2) return CMD_RET_USAGE; - return _do_env_set(flag, argc, argv, H_INTERACTIVE); + return env_do_env_set(flag, argc, argv, H_INTERACTIVE); } /* @@ -381,7 +269,7 @@ int do_env_ask(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) } /* Continue calling setenv code */ - return _do_env_set(flag, len, local_args, H_INTERACTIVE); + return env_do_env_set(flag, len, local_args, H_INTERACTIVE); } #endif @@ -561,12 +449,12 @@ static int do_env_edit(struct cmd_tbl *cmdtp, int flag, int argc, if (buffer[0] == '\0') { const char * const _argv[3] = { "setenv", argv[1], NULL }; - return _do_env_set(0, 2, (char * const *)_argv, H_INTERACTIVE); + return env_do_env_set(0, 2, (char * const *)_argv, H_INTERACTIVE); } else { const char * const _argv[4] = { "setenv", argv[1], buffer, NULL }; - return _do_env_set(0, 3, (char * const *)_argv, H_INTERACTIVE); + return env_do_env_set(0, 3, (char * const *)_argv, H_INTERACTIVE); } } #endif /* CONFIG_CMD_EDITENV */ @@ -679,7 +567,7 @@ static int do_env_delete(struct cmd_tbl *cmdtp, int flag, } debug("Final value for argc=%d\n", argc); - env_id++; + env_inc_id(); while (--argc > 0) { char *name = *++argv; |