/* * Copyright (C) 2000, 2001 Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* $Id: genrandom.c,v 1.1.1.1 2003/01/10 00:47:32 bbraun Exp $ */ #include <config.h> #include <stdio.h> #include <stdlib.h> #include <time.h> int main(int argc, char **argv) { unsigned int bytes; unsigned int k; char *endp; FILE *fp; if (argc != 3) { printf("usage: genrandom k file\n"); exit(1); } k = strtoul(argv[1], &endp, 10); if (*endp != 0) { printf("usage: genrandom k file\n"); exit(1); } bytes = k << 10; fp = fopen(argv[2], "w"); if (fp == NULL) { printf("failed to open %s\n", argv[2]); exit(1); } srand(0x12345678); while (bytes > 0) { unsigned short int x = (rand() & 0xFFFF); unsigned char c = x & 0xFF; if (putc(c, fp) == EOF) { printf("error writing to file\n"); exit(1); } c = x >> 8; if (putc(c, fp) == EOF) { printf("error writing to file\n"); exit(1); } bytes -= 2; } fclose(fp); return (0); }