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author | ache <ache@FreeBSD.org> | 2003-08-31 17:55:46 +0000 |
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committer | ache <ache@FreeBSD.org> | 2003-08-31 17:55:46 +0000 |
commit | 5e1f4dd895b3cf48b9ebc43a4a53070ccfdf3a15 (patch) | |
tree | e6291e0a0dacd8e282c433a80d6c45284243f8c7 /contrib/libreadline/examples/rlcat.c | |
parent | 5228dba984d2c2bf6db7d8d6be96f250121cdef8 (diff) | |
parent | ab304301db89e3906744fb6a81655b9598764582 (diff) | |
download | FreeBSD-src-5e1f4dd895b3cf48b9ebc43a4a53070ccfdf3a15.zip FreeBSD-src-5e1f4dd895b3cf48b9ebc43a4a53070ccfdf3a15.tar.gz |
This commit was generated by cvs2svn to compensate for changes in r119610,
which included commits to RCS files with non-trunk default branches.
Diffstat (limited to 'contrib/libreadline/examples/rlcat.c')
-rw-r--r-- | contrib/libreadline/examples/rlcat.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/contrib/libreadline/examples/rlcat.c b/contrib/libreadline/examples/rlcat.c new file mode 100644 index 0000000..176b9f4 --- /dev/null +++ b/contrib/libreadline/examples/rlcat.c @@ -0,0 +1,174 @@ +/* + * rlcat - cat(1) using readline + * + * usage: rlcat + */ + +/* Copyright (C) 1987-2002 Free Software Foundation, Inc. + + This file is part of the GNU Readline Library, a library for + reading lines of text with interactive input and history editing. + + The GNU Readline Library is free software; you can redistribute it + and/or modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2, or + (at your option) any later version. + + The GNU Readline Library 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 General Public License for more details. + + The GNU General Public License is often shipped with GNU software, and + is generally kept in a file called COPYING or LICENSE. If you do not + have a copy of the license, write to the Free Software Foundation, + 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ + +#if defined (HAVE_CONFIG_H) +# include <config.h> +#endif + +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#include <sys/types.h> +#include "posixstat.h" + +#include <stdio.h> +#include <ctype.h> +#include <string.h> +#include <errno.h> + +#ifndef errno +extern int errno; +#endif + +#if defined (READLINE_LIBRARY) +# include "readline.h" +# include "history.h" +#else +# include <readline/readline.h> +# include <readline/history.h> +#endif + +extern int optind; +extern char *optarg; + +static int stdcat(); + +static char *progname; +static int vflag; + +static void +usage() +{ + fprintf (stderr, "%s: usage: %s [-vEVN] [filename]\n", progname, progname); +} + +int +main (argc, argv) + int argc; + char **argv; +{ + char *temp; + int opt, Vflag, Nflag; + + progname = strrchr(argv[0], '/'); + if (progname == 0) + progname = argv[0]; + else + progname++; + + vflag = Vflag = Nflag = 0; + while ((opt = getopt(argc, argv, "vEVN")) != EOF) + { + switch (opt) + { + case 'v': + vflag = 1; + break; + case 'V': + Vflag = 1; + break; + case 'E': + Vflag = 0; + break; + case 'N': + Nflag = 1; + break; + default: + usage (); + exit (2); + } + } + + argc -= optind; + argv += optind; + + if (isatty(0) == 0 || argc || Nflag) + return stdcat(argc, argv); + + rl_variable_bind ("editing-mode", Vflag ? "vi" : "emacs"); + while (temp = readline ("")) + { + if (*temp) + add_history (temp); + printf ("%s\n", temp); + } + + return (ferror (stdout)); +} + +static int +fcopy(fp) + FILE *fp; +{ + int c; + char *x; + + while ((c = getc(fp)) != EOF) + { + if (vflag && isascii ((unsigned char)c) && isprint((unsigned char)c) == 0) + { + x = rl_untranslate_keyseq (c); + if (fputs (x, stdout) != 0) + return 1; + } + else if (putchar (c) == EOF) + return 1; + } + return (ferror (stdout)); +} + +int +stdcat (argc, argv) + int argc; + char **argv; +{ + int i, fd, r; + char *s; + FILE *fp; + + if (argc == 0) + return (fcopy(stdin)); + + for (i = 0, r = 1; i < argc; i++) + { + if (*argv[i] == '-' && argv[i][1] == 0) + fp = stdin; + else + { + fp = fopen (argv[i], "r"); + if (fp == 0) + { + fprintf (stderr, "%s: %s: cannot open: %s\n", progname, argv[i], strerror(errno)); + continue; + } + } + r = fcopy (fp); + if (fp != stdin) + fclose(fp); + } + return r; +} |