void
fetch_info(struct list *lst)
{
struct fsmntinfo *fmi;
int nummnt;
statst *entbuf;
statst vfsbuf, **fs;
/* init fsmntinfo */
if ((fmi = malloc(sizeof(struct fsmntinfo))) == NULL) {
(void)fputs("Error while allocating memory to fmi", stderr);
exit(EXIT_FAILURE);
/* NOTREACHED */
}
*fmi = fmi_init();
if ((nummnt = getmntinfo(&entbuf, MNT_NOWAIT)) <= 0)
err(EXIT_FAILURE, "Error while getting the list of mountpoints");
/* NOTREACHED */
for (fs = &entbuf; nummnt--; (*fs)++) {
vfsbuf = **fs;
if ((fmi->fsnameog = strdup(entbuf->f_mntfromname)) == NULL)
fmi->fsnameog = g_unknown_str;
if ((fmi->mntdirog = strdup(entbuf->f_mntonname)) == NULL)
fmi->mntdirog = g_unknown_str;
if ((fmi->fstypeog = strdup(entbuf->f_fstypename)) == NULL)
fmi->fstypeog = g_unknown_str;
if (Wflag) { /* Wflag to avoid name truncation */
fmi->fsname = fmi->fsnameog;
fmi->mntdir = fmi->mntdirog;
fmi->fstype = fmi->fstypeog;
} else {
if ((fmi->fsname = strdup(shortenstr(
entbuf->f_mntfromname, STRMAXLEN))) == NULL) {
fmi->fsname = g_unknown_str;
}
if ((fmi->mntdir = strdup(shortenstr(
entbuf->f_mntonname, STRMAXLEN))) == NULL) {
fmi->mntdir = g_unknown_str;
}
if ((fmi->fstype = strdup(shortenstr(
entbuf->f_fstypename, STRMAXLEN))) == NULL) {
fmi->fstype = g_unknown_str;
}
}
/* infos from statvfs */
fmi->flags = GET_FLAGS(vfsbuf);
fmi->bsize = vfsbuf.f_bsize;
fmi->frsize = GET_FRSIZE(vfsbuf);
fmi->blocks = vfsbuf.f_blocks;
fmi->bfree = vfsbuf.f_bfree;
fmi->bavail = vfsbuf.f_bavail;
fmi->files = vfsbuf.f_files;
fmi->ffree = vfsbuf.f_ffree;
fmi->favail = GET_FAVAIL(vfsbuf);
if ((fmi->mntopts = statfs_flags_to_str(fmi)) == NULL)
fmi->mntopts = g_none_str;
/* compute, available, % used, etc. */
compute_fs_stats(fmi);
/* pointer to the next element */
fmi->next = NULL;
/* enqueue the element into the queue */
enqueue(lst, *fmi);
update_maxwidth(fmi);
}
free(fmi);
}
void
fetch_info(struct list *lst)
{
struct fsmntinfo *fmi;
FILE *mnttab;
struct mnttab mnttabbuf;
struct statvfs vfsbuf;
int ret;
/* init fsmntinfo */
if ((fmi = malloc(sizeof(struct fsmntinfo))) == NULL) {
(void)fputs("Error while allocating memory to fmi", stderr);
exit(EXIT_FAILURE);
/* NOTREACHED */
}
*fmi = fmi_init();
/* open mnttab file */
if ((mnttab = fopen("/etc/mnttab", "r")) == NULL) {
perror("Error while opening mnttab file ");
exit(EXIT_FAILURE);
/* NOTREACHED */
}
/* loop to get infos from all the mounted fs */
while ((ret = getmntent(mnttab, &mnttabbuf)) == 0) {
if (statvfs(mnttabbuf.mnt_mountp, &vfsbuf) == -1) {
(void)fprintf(stderr, _("WARNING: %s was skipped "
"because it could not be stated"),
mnttabbuf.mnt_mountp);
perror(" ");
continue;
}
if (Wflag) { /* Wflag to avoid name truncation */
if ((fmi->fsname = strdup(mnttabbuf.mnt_special)) == NULL)
fmi->fsname = g_unknown_str;
if ((fmi->mntdir = strdup(mnttabbuf.mnt_mountp))== NULL)
fmi->mntdir = g_unknown_str;
if ((fmi->fstype = strdup(mnttabbuf.mnt_fstype)) == NULL)
fmi->fstype = g_unknown_str;
} else {
if ((fmi->fsname = strdup(shortenstr(
mnttabbuf.mnt_special, STRMAXLEN))) == NULL) {
fmi->fsname = g_unknown_str;
}
if ((fmi->mntdir = strdup(shortenstr
(mnttabbuf.mnt_mountp, STRMAXLEN))) == NULL) {
fmi->mntdir = g_unknown_str;
}
if ((fmi->fstype = strdup(shortenstr(
mnttabbuf.mnt_fstype, STRMAXLEN))) == NULL) {
fmi->fstype = g_unknown_str;
}
}
if ((fmi->mntopts = strdup(mnttabbuf.mnt_mntopts)) == NULL)
fmi->mntopts = g_none_str;
fmi->bsize = vfsbuf.f_bsize;
fmi->frsize = vfsbuf.f_frsize;
fmi->blocks = vfsbuf.f_blocks;
fmi->bfree = vfsbuf.f_bfree;
fmi->bavail = vfsbuf.f_bavail;
fmi->files = vfsbuf.f_files;
fmi->ffree = vfsbuf.f_ffree;
fmi->favail = vfsbuf.f_favail;
compute_fs_stats(fmi);
fmi->next = NULL;
enqueue(lst, *fmi);
}
if (ret > 0) {
(void)fprintf(stderr, "An error occured while reading the "
"mnttab file\n");
}
/* we need to close the mnttab file now */
if (fclose(mnttab) == EOF)
perror("Could not close mnttab file ");
free(fmi);
}