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Make use of realpath

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From: Daniel Lezcano <daniel.lezcano@free.fr>

The realpath function is more convenient to build the absolute path of
the rootfs.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
This commit is contained in:
dlezcano 2009-02-16 10:14:34 +00:00
parent 9b0f04774f
commit 4c8ab83be6
1 changed files with 7 additions and 8 deletions
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15
src/lxc/lxc_conf.c
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@ -455,18 +455,16 @@ static int configure_rootfs(const char *name, const char *rootfs)
char path[MAXPATHLEN];
char absrootfs[MAXPATHLEN];
char fstab[MAXPATHLEN];
char *pwd;
int ret;
FILE *f;
int ret;
if (!realpath(rootfs, absrootfs)) {
lxc_log_syserror("failed to get real path for '%s'", rootfs);
return -1;
}
snprintf(path, MAXPATHLEN, LXCPATH "/%s/rootfs", name);
pwd = get_current_dir_name();
snprintf(absrootfs, MAXPATHLEN, "%s/%s", pwd, rootfs);
free(pwd);
if (access(absrootfs, F_OK)) {
lxc_log_syserror("'%s' is not accessible", absrootfs);
return -1;
@ -486,6 +484,7 @@ static int configure_rootfs(const char *name, const char *rootfs)
}
ret = fprintf(f, "%s %s none bind 0 0\n", absrootfs, path);
fclose(f);
if (ret < 0) {