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Diffstat (limited to 'fortune/strfile/strfile.c')
| -rw-r--r-- | fortune/strfile/strfile.c | 489 |
1 files changed, 0 insertions, 489 deletions
diff --git a/fortune/strfile/strfile.c b/fortune/strfile/strfile.c deleted file mode 100644 index f0d83425..00000000 --- a/fortune/strfile/strfile.c +++ /dev/null @@ -1,489 +0,0 @@ -/* $NetBSD: strfile.c,v 1.42 2020/07/26 15:14:09 nia Exp $ */ - -/*- - * Copyright (c) 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Ken Arnold. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if HAVE_NBTOOL_CONFIG_H -#include "nbtool_config.h" -#endif - -#ifdef __NetBSD__ -#include <sys/cdefs.h> -#ifndef lint -__COPYRIGHT("@(#) Copyright (c) 1989, 1993\ - The Regents of the University of California. All rights reserved."); -#endif /* not lint */ - -#ifndef lint -#if 0 -static char sccsid[] = "@(#)strfile.c 8.1 (Berkeley) 5/31/93"; -#else -__RCSID("$NetBSD: strfile.c,v 1.42 2020/07/26 15:14:09 nia Exp $"); -#endif -#endif /* not lint */ -#endif /* __NetBSD__ */ - -#include <sys/types.h> -#include <sys/param.h> -#include <ctype.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <unistd.h> -#include <inttypes.h> -#include <err.h> - -#include "strfile.h" - -#ifndef MAXPATHLEN -#define MAXPATHLEN 1024 -#endif /* MAXPATHLEN */ - -/* - * This program takes a file composed of strings separated by - * lines starting with two consecutive delimiting character (default - * character is '%') and creates another file which consists of a table - * describing the file (structure from "strfile.h"), a table of seek - * pointers to the start of the strings, and the strings, each terminated - * by a null byte. Usage: - * - * % strfile [-iorsx] [ -cC ] sourcefile [ datafile ] - * - * c - Change delimiting character from '%' to 'C' - * s - Silent. Give no summary of data processed at the end of - * the run. - * o - order the strings in alphabetic order - * i - if ordering, ignore case - * r - randomize the order of the strings - * x - set rotated bit - * - * Ken Arnold Sept. 7, 1978 -- - * - * Added ordering options. - */ - -# define STORING_PTRS (Oflag || Rflag) -# define CHUNKSIZE 512 - -# define ALLOC(ptr,sz) do { \ - if (ptr == NULL) \ - ptr = malloc(CHUNKSIZE * sizeof *ptr); \ - else if (((sz) + 1) % CHUNKSIZE == 0) \ - ptr = realloc(ptr, ((sz) + CHUNKSIZE) * sizeof *ptr); \ - if (ptr == NULL) \ - err(1, "out of space"); \ - } while (0) - -typedef struct { - char first; - off_t pos; -} STR; - -static char *Infile = NULL; /* input file name */ -static char Outfile[MAXPATHLEN] = ""; /* output file name */ -static char Delimch = '%'; /* delimiting character */ - -static int Sflag = 0; /* silent run flag */ -static int Oflag = 0; /* ordering flag */ -static int Iflag = 0; /* ignore case flag */ -static int Rflag = 0; /* randomize order flag */ -static int Xflag = 0; /* set rotated bit */ -static long Num_pts = 0; /* number of pointers/strings */ - -static off_t *Seekpts; - -static FILE *Sort_1, *Sort_2; /* pointers for sorting */ - -static STRFILE Tbl; /* statistics table */ - -static STR *Firstch; /* first chars of each string */ - - -static uint32_t h2nl(uint32_t h); -static void getargs(int argc, char **argv); -static void usage(const char *, ...) __dead __printflike(1, 2); -static void add_offset(FILE *fp, off_t off); -static void do_order(void); -static int cmp_str(const void *vp1, const void *vp2); -static void randomize(void); -static void fwrite_be_offt(off_t off, FILE *f); - - -/* - * main: - * Drive the sucker. There are two main modes -- either we store - * the seek pointers, if the table is to be sorted or randomized, - * or we write the pointer directly to the file, if we are to stay - * in file order. If the former, we allocate and re-allocate in - * CHUNKSIZE blocks; if the latter, we just write each pointer, - * and then seek back to the beginning to write in the table. - */ -int -main(int ac, char **av) -{ - char *sp, dc; - FILE *inf, *outf; - off_t last_off, length, pos; - int first; - char *nsp; - STR *fp; - static char string[257]; - long i; - - /* sanity test */ - if (sizeof(uint32_t) != 4) - errx(1, "sizeof(uint32_t) != 4"); - - getargs(ac, av); /* evalute arguments */ - dc = Delimch; - if ((inf = fopen(Infile, "r")) == NULL) - err(1, "open `%s'", Infile); - - if ((outf = fopen(Outfile, "w")) == NULL) - err(1, "open `%s'", Outfile); - if (!STORING_PTRS) - (void) fseek(outf, sizeof Tbl, SEEK_SET); - - /* - * Write the strings onto the file - */ - - Tbl.str_longlen = 0; - Tbl.str_shortlen = (unsigned int) 0x7fffffff; - Tbl.str_delim = dc; - Tbl.str_version = VERSION; - first = Oflag; - add_offset(outf, ftell(inf)); - last_off = 0; - do { - sp = fgets(string, 256, inf); - if (sp == NULL || (sp[0] == dc && sp[1] == '\n')) { - pos = ftell(inf); - length = pos - last_off - (sp ? strlen(sp) : 0); - last_off = pos; - if (!length) - continue; - add_offset(outf, pos); - if ((off_t)Tbl.str_longlen < length) - Tbl.str_longlen = length; - if ((off_t)Tbl.str_shortlen > length) - Tbl.str_shortlen = length; - first = Oflag; - } - else if (first) { - for (nsp = sp; !isalnum((unsigned char)*nsp); nsp++) - continue; - ALLOC(Firstch, Num_pts); - fp = &Firstch[Num_pts - 1]; - if (Iflag && isupper((unsigned char)*nsp)) - fp->first = tolower((unsigned char)*nsp); - else - fp->first = *nsp; - fp->pos = Seekpts[Num_pts - 1]; - first = 0; - } - } while (sp != NULL); - - /* - * write the tables in - */ - - (void) fclose(inf); - - if (Oflag) - do_order(); - else if (Rflag) - randomize(); - - if (Xflag) - Tbl.str_flags |= STR_ROTATED; - - if (!Sflag) { - printf("\"%s\" created\n", Outfile); - if (Num_pts == 2) - puts("There was 1 string"); - else - printf("There were %d strings\n", (int)(Num_pts - 1)); - printf("Longest string: %lu byte%s\n", (unsigned long)Tbl.str_longlen, - Tbl.str_longlen == 1 ? "" : "s"); - printf("Shortest string: %lu byte%s\n", (unsigned long)Tbl.str_shortlen, - Tbl.str_shortlen == 1 ? "" : "s"); - } - - (void) fseek(outf, (off_t) 0, SEEK_SET); - Tbl.str_version = h2nl(Tbl.str_version); - Tbl.str_numstr = h2nl(Num_pts - 1); - Tbl.str_longlen = h2nl(Tbl.str_longlen); - Tbl.str_shortlen = h2nl(Tbl.str_shortlen); - Tbl.str_flags = h2nl(Tbl.str_flags); - (void) fwrite((char *) &Tbl, sizeof Tbl, 1, outf); - if (STORING_PTRS) { - for (i = 0; i < Num_pts; i++) - fwrite_be_offt(Seekpts[i], outf); - } - fflush(outf); - if (ferror(outf)) - err(1, "fwrite %s", Outfile); - (void) fclose(outf); - exit(0); -} - -/* - * This routine evaluates arguments from the command line - */ -static void -getargs(int argc, char **argv) -{ - int ch; - extern int optind; - extern char *optarg; - size_t len; - - while ((ch = getopt(argc, argv, "c:iorsx")) != -1) - switch(ch) { - case 'c': /* new delimiting char */ - Delimch = *optarg; - if (!isascii(Delimch)) { - printf("bad delimiting character: '\\%o\n'", - Delimch); - } - break; - case 'i': /* ignore case in ordering */ - Iflag++; - break; - case 'o': /* order strings */ - Oflag++; - break; - case 'r': /* randomize pointers */ - Rflag++; - break; - case 's': /* silent */ - Sflag++; - break; - case 'x': /* set the rotated bit */ - Xflag++; - break; - case '?': - default: - usage(NULL); - } - argv += optind; - - if (*argv) { - Infile = *argv; - if (*++argv) { - len = strlcpy(Outfile, *argv, sizeof(Outfile)); - if (len >= sizeof(Outfile)) { - usage("Too long output filename"); - } - } - } - if (!Infile) { - usage("No input file name"); - } - if (*Outfile == '\0') { - len = snprintf(Outfile, sizeof(Outfile), "%s.dat", Infile); - if (len >= sizeof(Outfile)) { - usage("Too long input filename"); - } - } -} - -static void -usage(const char *fmt, ...) -{ - if (fmt) { - va_list ap; - va_start(ap, fmt); - vwarnx(fmt, ap); - va_end(ap); - } - (void) fprintf(stderr, - "Usage: %s [-iorsx] [-c char] sourcefile [datafile]\n", - getprogname()); - exit(1); -} - -/* - * add_offset: - * Add an offset to the list, or write it out, as appropriate. - */ -static void -add_offset(FILE *fp, off_t off) -{ - - if (!STORING_PTRS) { - fwrite_be_offt(off, fp); - } else { - ALLOC(Seekpts, Num_pts + 1); - Seekpts[Num_pts] = off; - } - Num_pts++; -} - -/* - * do_order: - * Order the strings alphabetically (possibly ignoring case). - */ -static void -do_order(void) -{ - int i; - off_t *lp; - STR *fp; - - Sort_1 = fopen(Infile, "r"); - Sort_2 = fopen(Infile, "r"); - qsort((char *) Firstch, (int) Tbl.str_numstr, sizeof *Firstch, cmp_str); - i = Tbl.str_numstr; - lp = Seekpts; - fp = Firstch; - while (i--) - *lp++ = fp++->pos; - (void) fclose(Sort_1); - (void) fclose(Sort_2); - Tbl.str_flags |= STR_ORDERED; -} - -static int -cmp_str(const void *vp1, const void *vp2) -{ - const STR *p1, *p2; - int c1, c2; - int n1, n2; - - p1 = (const STR *)vp1; - p2 = (const STR *)vp2; - -# define SET_N(nf,ch) (nf = (ch == '\n')) -# define IS_END(ch,nf) (ch == Delimch && nf) - - c1 = p1->first; - c2 = p2->first; - if (c1 != c2) - return c1 - c2; - - (void) fseek(Sort_1, p1->pos, SEEK_SET); - (void) fseek(Sort_2, p2->pos, SEEK_SET); - - n1 = 0; - n2 = 0; - while (!isalnum(c1 = getc(Sort_1)) && c1 != '\0') - SET_N(n1, c1); - while (!isalnum(c2 = getc(Sort_2)) && c2 != '\0') - SET_N(n2, c2); - - while (!IS_END(c1, n1) && !IS_END(c2, n2)) { - if (Iflag) { - if (isupper(c1)) - c1 = tolower(c1); - if (isupper(c2)) - c2 = tolower(c2); - } - if (c1 != c2) - return c1 - c2; - SET_N(n1, c1); - SET_N(n2, c2); - c1 = getc(Sort_1); - c2 = getc(Sort_2); - } - if (IS_END(c1, n1)) - c1 = 0; - if (IS_END(c2, n2)) - c2 = 0; - return c1 - c2; -} - -/* - * randomize: - * Randomize the order of the string table. We must be careful - * not to randomize across delimiter boundaries. All - * randomization is done within each block. - */ -static void -randomize(void) -{ - int cnt, i; - off_t tmp; - off_t *sp; - - srandom((int)(time(NULL) + getpid())); - - Tbl.str_flags |= STR_RANDOM; - cnt = Tbl.str_numstr; - - /* - * move things around randomly - */ - - for (sp = Seekpts; cnt > 0; cnt--, sp++) { - i = random() % cnt; - tmp = sp[0]; - sp[0] = sp[i]; - sp[i] = tmp; - } -} - -/* - * fwrite_be_offt: - * Write out the off paramater as a 64 bit big endian number - */ - -static void -fwrite_be_offt(off_t off, FILE *f) -{ - int i; - unsigned char c[8]; - - for (i = 7; i >= 0; i--) { - c[i] = off & 0xff; - off >>= 8; - } - fwrite(c, sizeof(c), 1, f); -} - -static uint32_t -h2nl(uint32_t h) -{ - unsigned char c[4]; - uint32_t rv; - - c[0] = (h >> 24) & 0xff; - c[1] = (h >> 16) & 0xff; - c[2] = (h >> 8) & 0xff; - c[3] = (h >> 0) & 0xff; - memcpy(&rv, c, sizeof rv); - - return (rv); -} |