diff options
Diffstat (limited to 'games/ppt')
| -rw-r--r-- | games/ppt/ppt.c | 143 |
1 files changed, 119 insertions, 24 deletions
diff --git a/games/ppt/ppt.c b/games/ppt/ppt.c index 3238f3ae5bf..0f2ad024a92 100644 --- a/games/ppt/ppt.c +++ b/games/ppt/ppt.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ppt.c,v 1.7 2002/05/31 03:40:01 pjanzen Exp $ */ +/* $OpenBSD: ppt.c,v 1.8 2002/12/16 18:06:06 mickey Exp $ */ /* $NetBSD: ppt.c,v 1.4 1995/03/23 08:35:40 cgd Exp $ */ /* @@ -35,50 +35,112 @@ */ #ifndef lint -static char copyright[] = +static const char copyright[] = "@(#) Copyright (c) 1988, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint #if 0 -static char sccsid[] = "@(#)ppt.c 8.1 (Berkeley) 5/31/93"; +static const char sccsid[] = "@(#)ppt.c 8.1 (Berkeley) 5/31/93"; #else -static char rcsid[] = "$OpenBSD: ppt.c,v 1.7 2002/05/31 03:40:01 pjanzen Exp $"; +static const char rcsid[] = "$OpenBSD: ppt.c,v 1.8 2002/12/16 18:06:06 mickey Exp $"; #endif #endif /* not lint */ #include <sys/types.h> +#include <err.h> #include <stdio.h> +#include <string.h> #include <unistd.h> +#include <vis.h> -static void putppt(int); + +#define EDGE "___________" + +void usage(void); +void putppt(int); +int getppt(const char *buf); + +void +usage(void) +{ + extern char *__progname; + fprintf(stderr, "usage: %s [-d [-b] | string ...]\n", __progname); + exit(1); +} int -main(argc, argv) - int argc; - char **argv; +main(int argc, char **argv) { - int c; - char *p; - - (void) puts("___________"); - if (argc > 1) - while ((p = *++argv)) { - for (; *p; ++p) - putppt((int)*p); - if ((*(argv + 1))) - putppt((int)' '); + char *p, buf[132]; + int c, start, seenl, dflag, bflag; + + dflag = bflag = 0; + while ((c = getopt(argc, argv, "bdh")) != -1) + switch(c) { + case 'd': + dflag = 1; + break; + case 'b': + bflag = 1; + break; + case '?': case 'h': + default: + usage(); + } + if (bflag && !dflag) + usage(); + argc -= optind; + argv += optind; + + if (dflag) { + if (argc > 0) + usage(); + + seenl = start = 0; + while (fgets(buf, sizeof(buf), stdin) != NULL) { + c = getppt(buf); + if (c == -2) + continue; + if (c == -1) { + if (start) + /* lost sync */ + putchar('x'); + continue; + } + start = 1; + if (bflag) + putchar(c); + else { + char vbuf[5]; + vis(vbuf, c, VIS_NOSLASH, 0); + fputs(vbuf, stdout); + } + seenl = (c == '\n'); } - else while ((c = getchar()) != EOF) - putppt(c); - (void) puts("___________"); + if (!feof(stdin)) + err(1, "fgets"); + if (!seenl && !bflag) + putchar('\n'); + } else { + (void) puts(EDGE); + if (argc > 0) + while ((p = *argv++)) { + for (; *p; ++p) + putppt((int)*p); + if (*argv) + putppt((int)' '); + } + else while ((c = getchar()) != EOF) + putppt(c); + (void) puts(EDGE); + } exit(0); } -static void -putppt(c) - int c; +void +putppt(int c) { int i; @@ -94,3 +156,36 @@ putppt(c) (void) putchar('|'); (void) putchar('\n'); } + +int +getppt(const char *buf) +{ + int c; + + /* Demand left-aligned paper tape, but allow comments to the right */ + if (strncmp(buf, EDGE, strlen(EDGE)) == 0) + return (-2); + if (strlen(buf) < 12 || buf[0] != '|' || buf[10] != '|' || + buf[6] != '.' || strspn(buf, "| o.") < 11) + return (-1); + + c = 0; + if (buf[1] != ' ') + c |= 0200; + if (buf[2] != ' ') + c |= 0100; + if (buf[3] != ' ') + c |= 0040; + if (buf[4] != ' ') + c |= 0020; + if (buf[5] != ' ') + c |= 0010; + if (buf[7] != ' ') + c |= 0004; + if (buf[8] != ' ') + c |= 0002; + if (buf[9] != ' ') + c |= 0001; + + return (c); +} |