mirror of
https://github.com/libguestfs/libguestfs.git
synced 2026-03-21 22:53:37 +00:00
9353c6253d
git grep -l 'strcasecmp *([^=]*== *0'| xargs \ perl -pi -e 's/\bstrcasecmp( *\(.*?\)) *== *0/STRCASEEQ$1/'
94 lines
2.0 KiB
C
94 lines
2.0 KiB
C
/* guestfish - the filesystem interactive 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 <fcntl.h>
|
|
#include <inttypes.h>
|
|
|
|
#include "fish.h"
|
|
|
|
int
|
|
do_more (const char *cmd, int argc, char *argv[])
|
|
{
|
|
char filename[] = "/tmp/guestfishXXXXXX";
|
|
char buf[256];
|
|
const char *pager;
|
|
char *content;
|
|
int r, fd;
|
|
|
|
if (argc != 1) {
|
|
fprintf (stderr, _("use '%s filename' to page a file\n"), cmd);
|
|
return -1;
|
|
}
|
|
|
|
/* Choose a pager. */
|
|
if (STRCASEEQ (cmd, "less"))
|
|
pager = "less";
|
|
else {
|
|
pager = getenv ("PAGER");
|
|
if (pager == NULL)
|
|
pager = "more";
|
|
}
|
|
|
|
/* Download the file and write it to a temporary. */
|
|
fd = mkstemp (filename);
|
|
if (fd == -1) {
|
|
perror ("mkstemp");
|
|
return -1;
|
|
}
|
|
|
|
if ((content = guestfs_cat (g, argv[0])) == NULL) {
|
|
close (fd);
|
|
unlink (filename);
|
|
return -1;
|
|
}
|
|
|
|
if (xwrite (fd, content, strlen (content)) == -1) {
|
|
close (fd);
|
|
unlink (filename);
|
|
free (content);
|
|
return -1;
|
|
}
|
|
|
|
free (content);
|
|
|
|
if (close (fd) == -1) {
|
|
perror (filename);
|
|
unlink (filename);
|
|
return -1;
|
|
}
|
|
|
|
/* View it. */
|
|
/* XXX Safe? */
|
|
snprintf (buf, sizeof buf, "%s %s", pager, filename);
|
|
|
|
r = system (buf);
|
|
unlink (filename);
|
|
if (r != 0) {
|
|
perror (buf);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|