| /* |
| * R : A Computer Language for Statistical Data Analysis |
| * Copyright (C) 2000-11 R Core Team |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, a copy is available at |
| * https://www.R-project.org/Licenses/ |
| */ |
| |
| #include <stdlib.h> /* for exit */ |
| #include <string.h> |
| |
| extern int rcmdfn (int cmdarg, int argc, char **argv); /* in rcmdfn.c */ |
| |
| int main (int argc, char **argv) |
| { |
| int cmdarg = 0; |
| |
| if (argc > 1) { |
| if (strcmp(argv[1], "-h") == 0 |
| || strcmp(argv[1], "--help") == 0) cmdarg = 1; |
| else { |
| /* see if any arg is 'CMD' */ |
| for(int i = 1; i < argc; i++) |
| if(strcmp(argv[i], "CMD") == 0) { |
| cmdarg = i + 1; |
| break; |
| } |
| if (cmdarg >= 3) { /* something before CMD */ |
| /* Cannot set to empty value on Windows */ |
| char *Init = "R_PROFILE_USER=\r", *Site="R_RPOFILE=\r", |
| *Env1="R_ENVIRON=\r", *Env2="R_ENVIRON_USER=\r"; |
| for(int i = 1; i < cmdarg; i++) { |
| char *a = argv[i]; |
| if (strcmp(a, "--no-init-file") == 0 || |
| strcmp(a, "--vanilla") == 0) putenv(Init); |
| if (strcmp(a, "--no-site-file") == 0 || |
| strcmp(a, "--vanilla") == 0) putenv(Site); |
| if (strcmp(a, "--no-environ") == 0 || |
| strcmp(a, "--vanilla") == 0) { |
| putenv(Env1); putenv(Env2); |
| } |
| } |
| } |
| } |
| } |
| |
| exit(rcmdfn(cmdarg, argc, argv)); |
| } |