blob: 3feb85b7d62b91fde65f6d32224a7b412a46dcab [file] [log] [blame]
/*
* 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));
}