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Diffstat (limited to 'apps/nshlib/nsh_envcmds.c')
-rw-r--r-- | apps/nshlib/nsh_envcmds.c | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/apps/nshlib/nsh_envcmds.c b/apps/nshlib/nsh_envcmds.c deleted file mode 100644 index 07b775517..000000000 --- a/apps/nshlib/nsh_envcmds.c +++ /dev/null @@ -1,338 +0,0 @@ -/**************************************************************************** - * apps/nshlib/nsh_envcmds.c - * - * Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <libgen.h> -#include <errno.h> - -#include "nsh.h" -#include "nsh_console.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON) -static const char g_pwd[] = "PWD"; -static const char g_oldpwd[] = "OLDPWD"; -static const char g_home[] = CONFIG_LIB_HOMEDIR; -#endif - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nsh_getwd - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON) -static inline FAR const char *nsh_getwd(const char *wd) -{ - const char *val; - - /* If no working directory is defined, then default to the home directory */ - - val = getenv(wd); - if (!val) - { - val = g_home; - } - return val; -} -#endif - -/**************************************************************************** - * Name: nsh_getdirpath - ****************************************************************************/ - -static inline char *nsh_getdirpath(FAR struct nsh_vtbl_s *vtbl, - const char *dirpath, const char *relpath) -{ - char *alloc; - int len; - - /* Handle the special case where the dirpath is simply "/" */ - - if (strcmp(dirpath, "/") == 0) - { - len = strlen(relpath) + 2; - alloc = (char*)malloc(len); - if (alloc) - { - sprintf(alloc, "/%s", relpath); - } - } - else - { - len = strlen(dirpath) + strlen(relpath) + 2; - alloc = (char*)malloc(len); - if (alloc) - { - sprintf(alloc, "%s/%s", dirpath, relpath); - } - } - - if (!alloc) - { - nsh_output(vtbl, g_fmtcmdoutofmemory, "nsh_getdirpath"); - } - return alloc; -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nsh_getwd - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON) -FAR const char *nsh_getcwd(void) -{ - return nsh_getwd(g_pwd); -} -#endif - -/**************************************************************************** - * Name: nsh_getfullpath - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON) -char *nsh_getfullpath(FAR struct nsh_vtbl_s *vtbl, const char *relpath) -{ - const char *wd; - - /* Handle some special cases */ - - if (!relpath || relpath[0] == '\0') - { - /* No relative path provided */ - - return strdup(g_home); - } - else if (relpath[0] == '/') - { - return strdup(relpath); - } - - /* Get the path to the current working directory */ - - wd = nsh_getcwd(); - - /* Fake the '.' directory */ - - if (strcmp(relpath, ".") == 0) - { - return strdup(wd); - } - - /* Return the full path */ - - return nsh_getdirpath(vtbl, wd, relpath); -} -#endif - -/**************************************************************************** - * Name: nsh_freefullpath - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON) -void nsh_freefullpath(char *relpath) -{ - if (relpath) - { - free(relpath); - } -} -#endif - -/**************************************************************************** - * Name: cmd_cd - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON) -#ifndef CONFIG_NSH_DISABLE_CD -int cmd_cd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - const char *path = argv[1]; - char *alloc = NULL; - char *fullpath = NULL; - int ret = OK; - - /* Check for special arguments */ - - if (argc < 2 || strcmp(path, "~") == 0) - { - path = g_home; - } - else if (strcmp(path, "-") == 0) - { - alloc = strdup(nsh_getwd(g_oldpwd)); - path = alloc; - } - else if (strcmp(path, "..") == 0) - { - alloc = strdup(nsh_getcwd()); - path = dirname(alloc); - } - else - { - fullpath = nsh_getfullpath(vtbl, path); - path = fullpath; - } - - /* Set the new workding directory */ - - ret = chdir(path); - if (ret != 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "chdir", NSH_ERRNO); - ret = ERROR; - } - - /* Free any memory that was allocated */ - - if (alloc) - { - free(alloc); - } - - if (fullpath) - { - nsh_freefullpath(fullpath); - } - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_echo - ****************************************************************************/ - -#ifndef CONFIG_NSH_DISABLE_ECHO -int cmd_echo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - int i; - - /* echo each argument, separated by a space as it must have been on the - * command line - */ - - for (i = 1; i < argc; i++) - { - nsh_output(vtbl, "%s ", argv[i]); - } - nsh_output(vtbl, "\n"); - return OK; -} -#endif - -/**************************************************************************** - * Name: cmd_pwd - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON) -#ifndef CONFIG_NSH_DISABLE_PWD -int cmd_pwd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - nsh_output(vtbl, "%s\n", nsh_getcwd()); - return OK; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_set - ****************************************************************************/ - -#ifndef CONFIG_DISABLE_ENVIRON -#ifndef CONFIG_NSH_DISABLE_SET -int cmd_set(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - int ret = setenv(argv[1], argv[2], TRUE); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "setenv", NSH_ERRNO); - } - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_unset - ****************************************************************************/ - -#ifndef CONFIG_DISABLE_ENVIRON -#ifndef CONFIG_NSH_DISABLE_UNSET -int cmd_unset(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - int ret = unsetenv(argv[1]); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "unsetenv", NSH_ERRNO); - } - return ret; -} -#endif -#endif |