| /* Generate window size/position coordinates for -geometry switches */ |
| |
| /* |
| * Copyright (C) 2003-2006 IBM |
| * |
| * 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, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| * 02111-1307, USA. |
| */ |
| |
| #include <unistd.h> |
| #include <limits.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| int seed_random(void) |
| { |
| int fp; |
| long seed; |
| |
| fp = open("/dev/urandom", O_RDONLY); |
| if (fp < 0) { |
| perror("/dev/urandom"); |
| return 0; |
| } |
| |
| if (read(fp, &seed, sizeof(seed)) != sizeof(seed)) { |
| perror("read random seed"); |
| return 0; |
| } |
| |
| close(fp); |
| srand(seed); |
| |
| return 1; |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| unsigned long xmax, ymax; |
| unsigned long x, y; |
| |
| if (argc < 3) { |
| fprintf(stderr, "Usage: %s xmax ymax\n", argv[0]); |
| return 2; |
| } |
| |
| xmax = atoi(argv[1]); |
| ymax = atoi(argv[2]); |
| |
| if (!seed_random()) { |
| return 1; |
| } |
| |
| x = 1 + (unsigned long)((float)xmax * (rand() / (RAND_MAX + 1.0f))); |
| y = 1 + (unsigned long)((float)ymax * (rand() / (RAND_MAX + 1.0f))); |
| |
| printf("+%lu+%lu\n", x, y); |
| |
| return 0; |
| } |