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Enhances mdmfs(8) to mount md-based device such as uzip.

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Examples of use can be found in the PR text.

PR: 103501
MFC after:	1 week
This commit is contained in:
Matteo Riondato 2007-02-15 13:49:44 +00:00
parent 780a98ad1f
commit 8c6a98de69
1 changed files with 9 additions and 4 deletions
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13
sbin/mdmfs/mdmfs.c
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@ -48,6 +48,7 @@ __FBSDID("$FreeBSD$");
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
typedef enum { false, true } bool;
@ -66,6 +67,7 @@ static bool loudsubs; /* Suppress output from helper programs? */
static bool norun; /* Actually run the helper programs? */
static int unit; /* The unit we're working with. */
static const char *mdname; /* Name of memory disk device (e.g., "md"). */
static const char *mdsuffix; /* Suffix of memory disk device (e.g., ".uzip"). */
static size_t mdnamelen; /* Length of mdname. */
static const char *path_mdconfig =_PATH_MDCONFIG;
@ -236,13 +238,16 @@ main(int argc, char **argv)
unitstr += 5;
if (strncmp(unitstr, mdname, mdnamelen) == 0)
unitstr += mdnamelen;
if (*unitstr == '\0') {
if (!isdigit(*unitstr)) {
autounit = true;
unit = -1;
mdsuffix = unitstr;
} else {
ul = strtoul(unitstr, &p, 10);
if (ul == ULONG_MAX || *p != '\0')
if (ul == ULONG_MAX)
errx(1, "bad device unit: %s", unitstr);
if (*p != '\0')
mdsuffix = p;
unit = ul;
}
@ -424,8 +429,8 @@ do_mount(const char *args, const char *mtpoint)
{
int rv;
rv = run(NULL, "%s%s /dev/%s%d %s", _PATH_MOUNT, args,
mdname, unit, mtpoint);
rv = run(NULL, "%s%s /dev/%s%d%s %s", _PATH_MOUNT, args,
mdname, unit, mdsuffix, mtpoint);
if (rv)
errx(1, "mount exited with error code %d", rv);
}