1 /*
2 * *****************************************************************************
3 *
4 * Copyright (c) 2018-2019 Gavin D. Howard and contributors.
5 *
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
10 *
11 * * Redistributions of source code must retain the above copyright notice, this
12 * list of conditions and the following disclaimer.
13 *
14 * * Redistributions in binary form must reproduce the above copyright notice,
15 * this list of conditions and the following disclaimer in the documentation
16 * and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *
30 * *****************************************************************************
31 *
32 * The entry point for bc.
33 *
34 */
35
36 #include <stdlib.h>
37 #include <string.h>
38
39 #include <locale.h>
40 #include <libgen.h>
41
42 #include <status.h>
43 #include <vm.h>
44 #include <bc.h>
45 #include <dc.h>
46
47 BcVm *vm;
48
main(int argc,char * argv[])49 int main(int argc, char *argv[]) {
50
51 int s;
52 char *name;
53 size_t len = strlen(BC_EXECPREFIX);
54
55 vm = calloc(1, sizeof(BcVm));
56 if (BC_ERR(vm == NULL)) return (int) bc_vm_err(BC_ERROR_FATAL_ALLOC_ERR);
57
58 vm->locale = setlocale(LC_ALL, "");
59
60 name = strrchr(argv[0], '/');
61 vm->name = (name == NULL) ? argv[0] : name + 1;
62
63 if (strlen(vm->name) > len) vm->name += len;
64
65 #if !DC_ENABLED
66 s = bc_main(argc, argv);
67 #elif !BC_ENABLED
68 s = dc_main(argc, argv);
69 #else
70 if (BC_IS_BC) s = bc_main(argc, argv);
71 else s = dc_main(argc, argv);
72 #endif
73
74 return s;
75 }
76