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/* libguestfs - the guestfsd daemon
* 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 "daemon.h"
#include "actions.h"
char **
do_strings_e (const char *encoding, const char *path)
{
int len;
char *buf;
int r;
char *out, *err;
char **lines = NULL;
int size = 0, alloc = 0;
char *p, *pend;
NEED_ROOT (NULL);
ABS_PATH (path, NULL);
len = strlen (path) + 9;
buf = malloc (len);
if (!buf) {
reply_with_perror ("malloc");
return NULL;
}
snprintf (buf, len, "/sysroot%s", path);
r = command (&out, &err, "strings", "-e", encoding, buf, NULL);
free (buf);
if (r == -1) {
reply_with_error ("strings: %s: %s", path, err);
free (err);
free (out);
return NULL;
}
free (err);
/* Now convert the output to a list of lines. */
p = out;
while (p && *p) {
pend = strchr (p, '\n');
if (pend) {
*pend = '\0';
pend++;
}
if (add_string (&lines, &size, &alloc, p) == -1) {
free (out);
return NULL;
}
p = pend;
}
free (out);
if (add_string (&lines, &size, &alloc, NULL) == -1)
return NULL;
return lines; /* Caller frees. */
}
char **
do_strings (const char *path)
{
return do_strings_e ("s", path);
}
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