X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/ba6e6b64033b1f9de49feccb5c9cd438354481f7..0f00dc4c8eb47e67bc0f148c2dd109f73a451e0a:/genprimes.c diff --git a/genprimes.c b/genprimes.c deleted file mode 100644 index 2d80d07..0000000 --- a/genprimes.c +++ /dev/null @@ -1,193 +0,0 @@ -/* -*-c-*- - * - * $Id: genprimes.c,v 1.7 2004/04/08 01:36:15 mdw Exp $ - * - * Generate prime number table - * - * (c) 1999 Straylight/Edgeware - */ - -/*----- Licensing notice --------------------------------------------------* - * - * This file is part of Catacomb. - * - * Catacomb is free software; you can redistribute it and/or modify - * it under the terms of the GNU Library General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * Catacomb 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 Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with Catacomb; if not, write to the Free - * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, - * MA 02111-1307, USA. - */ - -/*----- Header files ------------------------------------------------------*/ - -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -/*----- Data structures ---------------------------------------------------*/ - -DA_DECL(intv, int); - -/*----- Main code ---------------------------------------------------------*/ - -int main(int argc, char *argv[]) -{ - int p_max = 0, p_n = 0; - char *type = "unsigned int"; - char *header = "primetab.h"; - char *source = "primetab.c"; - char *name = "primetab"; - char *sym = 0; - intv p = DA_INIT; - int i; - - ego(argv[0]); - - for (;;) { - int i = getopt(argc, argv, "h:c:i:n:m:t:s:"); - if (i < 0) - break; - switch (i) { - case 'h': - header = optarg; - break; - case 'c': - source = optarg; - break; - case 'i': - name = optarg; - break; - case 'n': - p_max = 0; - p_n = atoi(optarg); - break; - case 'm': - p_n = 0; - p_max = atoi(optarg); - break; - case 't': - type = optarg; - break; - case 's': - sym = optarg; - break; - default: - pquis(stderr, "Usage: $ [-n nprimes] [-m maxprime] [-t type]\n"); - exit(EXIT_FAILURE); - } - } - - if (!p_max && !p_n) - die(EXIT_FAILURE, "bad arguments to `-n' or `-m'"); - - if (p_n || p_max >= 2) - DA_PUSH(&p, 2); - for (i = 3; (!p_max && !p_n) || - (p_n && DA_LEN(&p) < p_n) || - (p_max && i <= p_max); - i += 2) { - int j; - for (j = 0; j < DA_LEN(&p); j++) { - if (i % DA(&p)[j] == 0) - goto composite; - } - DA_PUSH(&p, i); - composite:; - } - - { - FILE *fp = fopen(header, "w"); - dstr d = DSTR_INIT; - char *q; - if (!fp) - die(EXIT_FAILURE, "couldn't write `%s': %s", header, strerror(errno)); - if (!sym) { - for (q = header; *q; q++) { - int ch = (unsigned char)*q; - if (isalnum(ch)) - ch = toupper(ch); - else - ch = '_'; - DPUTC(&d, ch); - } - DPUTZ(&d); - sym = d.buf; - } - fprintf(fp, "\ -/* -*-c-*-\n\ - *\n\ - * Table of small prime numbers [generated]\n\ - */\n\ -\n\ -#ifndef %s\n\ -#define %s\n\ -\n\ -#define NPRIME %luu\n\ -#define MAXPRIME %uu\n\ -\n\ -typedef %s smallprime;\n\ -extern const smallprime %s[];\n\ -\n\ -#endif\n\ -", - sym, sym, - (unsigned long)DA_LEN(&p), - DA_LAST(&p), - type, name); - dstr_destroy(&d); - if (fclose(fp) == EOF) { - remove(header); - die(EXIT_FAILURE, "error writing `%s': %s", header, strerror(errno)); - } - } - - { - FILE *fp = fopen(source, "w"); - int i; - if (!fp) - die(EXIT_FAILURE, "couldn't write `%s': %s", source, strerror(errno)); - fprintf(fp, "\ -/* -*-c-*-\n\ - *\n\ - * Table of small prime numbers [generated]\n\ - */\n\ -\n\ -#include \"%s\"\n\ -\n\ -const %s %s[] = {", - header, type, name); - for (i = 0; i < DA_LEN(&p); i++) { - if (i % 8 == 0) - fputs("\n ", fp); - fprintf(fp, "%5i, ", DA(&p)[i]); - } - fputs("\n\ -};\n\ -", fp); - if (fclose(fp) == EOF) { - remove(source); - die(EXIT_FAILURE, "error writing `%s': %s", source, strerror(errno)); - } - } - - return (0); -} - -/*----- That's all, folks -------------------------------------------------*/