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Annotation of src/usr.bin/tcfs/tcfsuse.c, Revision 1.1.1.1

1.1       provos      1: /*
                      2:  * Copyright 2000 Niels Provos <provos@citi.umich.edu>
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. The name of the author may not be used to endorse or promote products
                     14:  *    derived from this software without specific prior written permission.
                     15:  *
                     16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     19:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     20:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     21:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     22:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     23:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     24:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     25:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     26:  */
                     27:
                     28: #include <stdio.h>
                     29: #include <stdlib.h>
                     30:
                     31: extern int putkey_main(int argc, char **argv);
                     32: extern int run_main(int argc, char **argv);
                     33: extern int rmkey_main(int argc, char **argv);
                     34: extern int genkey_main(int argc, char **argv);
                     35: extern int stat_main(int argc, char **argv);
                     36: extern int flags_main(int argc, char **argv);
                     37:
                     38: struct subprg {
                     39:        char *name;
                     40:        int (*function)(int, char **);
                     41: };
                     42:
                     43: struct subprg subcmds[] = {
                     44:        {"putkey", putkey_main},
                     45:        {"run", run_main},
                     46:        {"rmkey", rmkey_main},
                     47:        {"genkey", genkey_main},
                     48:        {"stat", stat_main},
                     49:        {"flags", flags_main}
                     50: };
                     51:
                     52: void
                     53: usage(char *name)
                     54: {
                     55:        int i;
                     56:        fprintf(stderr, "Usage: %s <subcmd> [arguments]\n", name);
                     57:
                     58:        fprintf(stderr, "Possible sub commands:");
                     59:        for (i = sizeof(subcmds)/sizeof(struct subprg) - 1; i >= 0; i--)
                     60:                fprintf(stderr, " %s", subcmds[i].name);
                     61:        fprintf(stderr, "\n");
                     62: }
                     63:
                     64:
                     65: int
                     66: main (int argc, char **argv)
                     67: {
                     68:        int i;
                     69:
                     70:        if (argc < 2) {
                     71:                usage(argv[0]);
                     72:                exit(1);
                     73:        }
                     74:
                     75:        for (i = sizeof(subcmds)/sizeof(struct subprg) - 1; i >= 0; i--) {
                     76:                if (!strcmp(argv[1], subcmds[i].name))
                     77:                        return (*subcmds[i].function)(argc - 1, argv + 1);
                     78:        }
                     79:
                     80:        fprintf(stderr, "%s: unknown command %s\n\n", argv[0], argv[1]);
                     81:        usage(argv[0]);
                     82:        exit (1);
                     83: }