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author | Richard Jones <rjones@redhat.com> | 2009-04-03 23:47:47 +0100 |
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committer | Richard Jones <rjones@redhat.com> | 2009-04-03 23:47:47 +0100 |
commit | bc0b3d6f473e607972d29be27f7ae6b1d0489c3b (patch) | |
tree | a2129e7328c1adff8c32890d57a86c36b908ecff /fish/fish.c | |
parent | b72ec21d24824720385c9cd024b7f1eae734f4a4 (diff) | |
download | libguestfs-bc0b3d6f473e607972d29be27f7ae6b1d0489c3b.tar.gz libguestfs-bc0b3d6f473e607972d29be27f7ae6b1d0489c3b.tar.xz libguestfs-bc0b3d6f473e607972d29be27f7ae6b1d0489c3b.zip |
Added outline of shell command, added generator support.
Diffstat (limited to 'fish/fish.c')
-rw-r--r-- | fish/fish.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/fish/fish.c b/fish/fish.c new file mode 100644 index 00000000..85543004 --- /dev/null +++ b/fish/fish.c @@ -0,0 +1,125 @@ +/* guestfish - the filesystem shell + * Copyright (C) 2009 Red Hat Inc. + * + * This program 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 of the License, or + * (at your option) any later version. + * + * This program 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <getopt.h> + +#include <guestfs.h> + +#include "fish.h" + +static void +usage (void) +{ + fprintf (stderr, + "guestfish: guest filesystem shell\n" + "guestfish lets you edit virtual machine filesystems\n" + "Copyright (C) 2009 Red Hat Inc.\n" + "Usage:\n" + " guestfish [--options] [cmd]\n" + "or for interactive use:\n" + " guestfish\n" + "or from a shell script:\n" + " guestfish <<EOF\n" + " cmd\n" + " ...\n" + " EOF\n" + "Options:\n" + " -h|--cmd-help List available commands\n" + " -h|--cmd-help cmd Display detailed help on 'cmd'\n" + "For more information, see the manual page guestfish(1).\n"); +} + +int +main (int argc, char *argv[]) +{ + static const char *options = "h::?"; + static struct option long_options[] = { + { "cmd-help", 2, 0, 'h' }, + { "help", 0, 0, '?' }, + { 0, 0, 0, 0 } + }; + int c; + + for (;;) { + c = getopt_long (argc, argv, options, long_options, NULL); + if (c == -1) break; + + switch (c) { + case 'h': + if (optarg) + display_command (optarg); + else if (argv[optind] && argv[optind][0] != '-') + display_command (argv[optind++]); + else + list_commands (); + exit (0); + + case '?': + usage (); + exit (0); + + default: + fprintf (stderr, "guestfish: unexpected command line option 0x%x\n", c); + exit (1); + } + } + + if (optind < argc) { + usage (); + exit (1); + } + + + + + + + + + + + + + exit (0); +} + +void +pod2text (const char *heading, const char *str) +{ + FILE *fp; + + fp = popen ("pod2text", "w"); + if (fp == NULL) { + /* pod2text failed, maybe not found, so let's just print the + * source instead, since that's better than doing nothing. + */ + printf ("%s\n\n%s\n", heading, str); + return; + } + fputs ("=head1 ", fp); + fputs (heading, fp); + fputs ("\n\n", fp); + fputs (str, fp); + pclose (fp); +} |