X-Git-Url: https://git.cameronkatri.com/bsdgames-darwin.git/blobdiff_plain/623cdc6f2c89f79e816e25eea6ceda472431ee74..3a79842b926fa20c1ff89fba64b79738e60966a9:/fortune/strfile/strfile.c diff --git a/fortune/strfile/strfile.c b/fortune/strfile/strfile.c index 1df7f9d9..94bd8308 100644 --- a/fortune/strfile/strfile.c +++ b/fortune/strfile/strfile.c @@ -1,4 +1,4 @@ -/* $NetBSD: strfile.c,v 1.5 1996/10/13 00:01:05 christos Exp $ */ +/* $NetBSD: strfile.c,v 1.21 2001/07/22 13:34:00 wiz Exp $ */ /*- * Copyright (c) 1989, 1993 @@ -36,33 +36,57 @@ * SUCH DAMAGE. */ +#ifdef __NetBSD__ +#include #ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1989, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; +__COPYRIGHT("@(#) Copyright (c) 1989, 1993\n\ + The Regents of the University of California. All rights reserved.\n"); #endif /* not lint */ #ifndef lint #if 0 static char sccsid[] = "@(#)strfile.c 8.1 (Berkeley) 5/31/93"; #else -static char rcsid[] = "$NetBSD: strfile.c,v 1.5 1996/10/13 00:01:05 christos Exp $"; +__RCSID("$NetBSD: strfile.c,v 1.21 2001/07/22 13:34:00 wiz Exp $"); #endif #endif /* not lint */ +#endif /* __NetBSD__ */ # include # include +# include # include +# include # include -# include +# include +# include + +# ifndef u_int32_t +# define u_int32_t unsigned int +# endif # include "strfile.h" # ifndef MAXPATHLEN # define MAXPATHLEN 1024 # endif /* MAXPATHLEN */ +u_int32_t +h2nl(u_int32_t h) +{ + unsigned char c[4]; + u_int32_t rv; + + c[0] = (h >> 24) & 0xff; + c[1] = (h >> 16) & 0xff; + c[2] = (h >> 8) & 0xff; + c[3] = (h >> 0) & 0xff; + memcpy(&rv, c, sizeof rv); + + return (rv); +} + /* - * This program takes a file composed of strings seperated by + * This program takes a file composed of strings separated by * lines starting with two consecutive delimiting character (default * character is '%') and creates another file which consists of a table * describing the file (structure from "strfile.h"), a table of seek @@ -90,25 +114,14 @@ static char rcsid[] = "$NetBSD: strfile.c,v 1.5 1996/10/13 00:01:05 christos Exp # define STORING_PTRS (Oflag || Rflag) # define CHUNKSIZE 512 -#ifdef lint -# define ALWAYS atoi("1") -#else -# define ALWAYS 1 -#endif -# define ALLOC(ptr,sz) if (ALWAYS) { \ +# define ALLOC(ptr,sz) do { \ if (ptr == NULL) \ - ptr = malloc((unsigned int) (CHUNKSIZE * sizeof *ptr)); \ + ptr = malloc(CHUNKSIZE * sizeof *ptr); \ else if (((sz) + 1) % CHUNKSIZE == 0) \ - ptr = realloc((void *) ptr, ((unsigned int) ((sz) + CHUNKSIZE) * sizeof *ptr)); \ - if (ptr == NULL) { \ - fprintf(stderr, "out of space\n"); \ - exit(1); \ - } \ - } else - -#ifdef NO_VOID -# define void char -#endif + ptr = realloc(ptr, ((sz) + CHUNKSIZE) * sizeof *ptr); \ + if (ptr == NULL) \ + die("out of space"); \ + } while (0) typedef struct { char first; @@ -134,9 +147,23 @@ STRFILE Tbl; /* statistics table */ STR *Firstch; /* first chars of each string */ -char *fgets(), *strcpy(), *strcat(); +#ifdef __GNUC__ +#define NORETURN __attribute__((__noreturn__)) +#else +#define NORETURN +#endif + +void add_offset(FILE *, off_t); +int cmp_str(const void *, const void *); +void die(const char *) NORETURN; +void dieperror(const char *, char *) NORETURN; +void do_order(void); +void fwrite_be_offt(off_t, FILE *); +void getargs(int, char *[]); +int main(int, char *[]); +void randomize(void); +void usage(void) NORETURN; -void *malloc(), *realloc(); /* * main: @@ -147,38 +174,39 @@ void *malloc(), *realloc(); * CHUNKSIZE blocks; if the latter, we just write each pointer, * and then seek back to the beginning to write in the table. */ +int main(ac, av) -int ac; -char **av; + int ac; + char *av[]; { - register char *sp, dc; - register FILE *inf, *outf; - register off_t last_off, length, pos, *p; - register int first, cnt; - register char *nsp; - register STR *fp; - static char string[257]; + char *sp, dc; + FILE *inf, *outf; + off_t last_off, length, pos, *p; + int first, cnt; + char *nsp; + STR *fp; + static char string[257]; + + /* sanity test */ + if (sizeof(u_int32_t) != 4) + die("sizeof(unsigned int) != 4"); getargs(ac, av); /* evalute arguments */ dc = Delimch; - if ((inf = fopen(Infile, "r")) == NULL) { - perror(Infile); - exit(1); - } + if ((inf = fopen(Infile, "r")) == NULL) + dieperror("open `%s'", Infile); - if ((outf = fopen(Outfile, "w")) == NULL) { - perror(Outfile); - exit(1); - } + if ((outf = fopen(Outfile, "w")) == NULL) + dieperror("open `%s'", Outfile); if (!STORING_PTRS) - (void) fseek(outf, sizeof Tbl, 0); + (void) fseek(outf, sizeof Tbl, SEEK_SET); /* * Write the strings onto the file */ Tbl.str_longlen = 0; - Tbl.str_shortlen = (unsigned int) 0xffffffff; + Tbl.str_shortlen = (unsigned int) 0x7fffffff; Tbl.str_delim = dc; Tbl.str_version = VERSION; first = Oflag; @@ -186,16 +214,16 @@ char **av; last_off = 0; do { sp = fgets(string, 256, inf); - if (sp == NULL || sp[0] == dc && sp[1] == '\n') { + 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 (Tbl.str_longlen < length) + if ((off_t)Tbl.str_longlen < length) Tbl.str_longlen = length; - if (Tbl.str_shortlen > length) + if ((off_t)Tbl.str_shortlen > length) Tbl.str_shortlen = length; first = Oflag; } @@ -232,25 +260,27 @@ char **av; if (Num_pts == 2) puts("There was 1 string"); else - printf("There were %d strings\n", Num_pts - 1); - printf("Longest string: %lu byte%s\n", Tbl.str_longlen, + 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", Tbl.str_shortlen, + printf("Shortest string: %lu byte%s\n", (unsigned long)Tbl.str_shortlen, Tbl.str_shortlen == 1 ? "" : "s"); } - (void) fseek(outf, (off_t) 0, 0); - Tbl.str_version = htonl(Tbl.str_version); - Tbl.str_numstr = htonl(Num_pts - 1); - Tbl.str_longlen = htonl(Tbl.str_longlen); - Tbl.str_shortlen = htonl(Tbl.str_shortlen); - Tbl.str_flags = htonl(Tbl.str_flags); + (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 (p = Seekpts, cnt = Num_pts; cnt--; ++p) - *p = htonl(*p); - (void) fwrite((char *) Seekpts, sizeof *Seekpts, (int) Num_pts, outf); + fwrite_be_offt(*p, outf); } + fflush(outf); + if (ferror(outf)) + dieperror("fwrite %s", Outfile); (void) fclose(outf); exit(0); } @@ -258,15 +288,16 @@ char **av; /* * This routine evaluates arguments from the command line */ +void getargs(argc, argv) -int argc; -char **argv; + int argc; + char **argv; { - extern char *optarg; - extern int optind; int ch; + extern int optind; + extern char *optarg; - while ((ch = getopt(argc, argv, "c:iorsx")) != EOF) + while ((ch = getopt(argc, argv, "c:iorsx")) != -1) switch(ch) { case 'c': /* new delimiting char */ Delimch = *optarg; @@ -311,6 +342,7 @@ char **argv; } } +void usage() { (void) fprintf(stderr, @@ -318,19 +350,38 @@ usage() exit(1); } +void +die(str) + const char *str; +{ + fprintf(stderr, "strfile: %s\n", str); + exit(1); +} + +void +dieperror(fmt, file) + const char *fmt; + char *file; +{ + fprintf(stderr, "strfile: "); + fprintf(stderr, fmt, file); + fprintf(stderr, ": "); + perror(NULL); + exit(1); +} + /* * add_offset: * Add an offset to the list, or write it out, as appropriate. */ +void add_offset(fp, off) -FILE *fp; -off_t off; + FILE *fp; + off_t off; { - off_t net; if (!STORING_PTRS) { - net = htonl(off); - fwrite(&net, 1, sizeof net, fp); + fwrite_be_offt(off, fp); } else { ALLOC(Seekpts, Num_pts + 1); Seekpts[Num_pts] = off; @@ -342,12 +393,12 @@ off_t off; * do_order: * Order the strings alphabetically (possibly ignoring case). */ +void do_order() { - register int i; - register off_t *lp; - register STR *fp; - extern int cmp_str(); + int i; + off_t *lp; + STR *fp; Sort_1 = fopen(Infile, "r"); Sort_2 = fopen(Infile, "r"); @@ -362,36 +413,16 @@ do_order() Tbl.str_flags |= STR_ORDERED; } -/* - * cmp_str: - * Compare two strings in the file - */ -char * -unctrl(c) -char c; +int +cmp_str(vp1, vp2) + const void *vp1, *vp2; { - static char buf[3]; - - if (isprint(c)) { - buf[0] = c; - buf[1] = '\0'; - } - else if (c == 0177) { - buf[0] = '^'; - buf[1] = '?'; - } - else { - buf[0] = '^'; - buf[1] = c + 'A' - 1; - } - return buf; -} + const STR *p1, *p2; + int c1, c2; + int n1, n2; -cmp_str(p1, p2) -STR *p1, *p2; -{ - register int c1, c2; - register 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) @@ -401,8 +432,8 @@ STR *p1, *p2; if (c1 != c2) return c1 - c2; - (void) fseek(Sort_1, p1->pos, 0); - (void) fseek(Sort_2, p2->pos, 0); + (void) fseek(Sort_1, p1->pos, SEEK_SET); + (void) fseek(Sort_2, p2->pos, SEEK_SET); n1 = FALSE; n2 = FALSE; @@ -438,12 +469,12 @@ STR *p1, *p2; * not to randomize across delimiter boundaries. All * randomization is done within each block. */ +void randomize() { - register int cnt, i; - register off_t tmp; - register off_t *sp; - extern time_t time(); + int cnt, i; + off_t tmp; + off_t *sp; srandom((int)(time((time_t *) NULL) + getpid())); @@ -461,3 +492,23 @@ randomize() sp[i] = tmp; } } + +/* + * fwrite_be_offt: + * Write out the off paramater as a 64 bit big endian number + */ + +void +fwrite_be_offt(off, f) + 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); +}