| /* |
| * R : A Computer Language for Statistical Data Analysis |
| * Copyright (C) 2010--2021 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/ |
| */ |
| |
| #define WIN32_LEAN_AND_MEAN 1 |
| #include <windows.h> /* for SetConsoleCtrlHandler */ |
| #include <stdlib.h> /* for exit */ |
| #include <string.h> |
| #include <stdio.h> |
| |
| extern char *getRHOME(int); /* in ../rhome.c */ |
| |
| extern size_t quoted_arg_len(const char *arg); /* in rcmdfn.c */ |
| extern char *quoted_arg_cat(char *dest, const char *arg); |
| |
| static void Usage (char *RCMD, char *arch) |
| { |
| fprintf(stderr, "%s %s %s", "Usage:", RCMD, "[command args]\n\n"); |
| fprintf(stderr, "%s%s%s", |
| "where 'command args' can be\n\n", |
| " --arch n for n=i386, x64, 32 or 64\n", |
| " any other arguments listed by "); |
| fprintf(stderr, "%s --arch %s --help\n", RCMD, arch); |
| } |
| |
| #define CMD_LEN 10000 |
| int main (int argc, char **argv) |
| { |
| int cmdarg = 1; |
| int interactive = 0; |
| char arch[10] = R_ARCH, cmd[CMD_LEN], *p; |
| |
| if (argc > 1 && strcmp(argv[1], "--help") == 0) { |
| Usage(argv[0], arch); |
| exit(0); |
| } |
| |
| if (argc > 1 && strcmp(argv[1], "--arch") == 0) { |
| cmdarg = 3; |
| if(argc < 3) { |
| Usage(argv[0], arch); |
| exit(0); |
| } |
| strncpy(arch, argv[2], 10); arch[9] = '\0'; |
| if(strcmp(arch, "32") == 0) strcpy(arch, "i386"); |
| if(strcmp(arch, "64") == 0) strcpy(arch, "x64"); |
| if(strcmp(arch, "i386") && strcmp(arch, "x64")) { |
| fprintf(stderr, "valid values for --arch are i386, x64, 32, 64\n"); |
| exit(1); |
| } |
| } else if ((p = getenv("R_ARCH"))) { |
| strncpy(arch, p+1, 10 - 1); /* skip leading slash */ |
| arch[10 - 1] = '\0'; |
| } |
| |
| if (stricmp(argv[0] + strlen(argv[0]) - 11, "Rscript.exe") == 0 |
| || stricmp(argv[0] + strlen(argv[0]) - 7, "Rscript") == 0) |
| snprintf(cmd, CMD_LEN, "\"\"%s\\bin\\%s\\Rscript.exe\"", getRHOME(2), arch); |
| else { |
| snprintf(cmd, CMD_LEN, "\"\"%s\\bin\\%s\\R.exe\"", getRHOME(2), arch); |
| interactive = 1; |
| } |
| |
| for(int i = cmdarg; i < argc; i++) { |
| if (interactive && !strcmp(argv[i], "CMD")) |
| interactive = 0; |
| if (strlen(cmd) + quoted_arg_len(argv[i]) + 2 > CMD_LEN) { |
| fprintf(stderr, "command line too long\n"); |
| exit(27); |
| } |
| strcat(cmd, " "); |
| quoted_arg_cat(cmd, argv[i]); |
| } |
| /* the outermost double quotes are needed for cmd.exe */ |
| if (strlen(cmd) + 1 > CMD_LEN) { |
| fprintf(stderr, "command line too long\n"); |
| exit(27); |
| } |
| strcat(cmd, "\""); |
| |
| if (interactive) |
| /* Ignore Ctrl-C so that Rterm.exe can handle it */ |
| SetConsoleCtrlHandler(NULL, TRUE); |
| |
| exit(system(cmd)); |
| } |