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/*
* Miscellaneous support routines..
*
* $FreeBSD$
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <ctype.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/errno.h>
#include <sys/file.h>
#include <sys/types.h>
#include <dirent.h>
#include <sys/wait.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <ufs/ufs/ufsmount.h>
#include <sys/reboot.h>
#include <sys/disklabel.h>
#include <fs/msdosfs/msdosfsmount.h>
#include "sade.h"
/* Quick check to see if a file is readable */
Boolean
file_readable(char *fname)
{
if (!access(fname, F_OK))
return TRUE;
return FALSE;
}
/* sane strncpy() function */
char *
sstrncpy(char *dst, const char *src, int size)
{
dst[size] = '\0';
return strncpy(dst, src, size);
}
/* Clip the whitespace off the end of a string */
char *
string_prune(char *str)
{
int len = str ? strlen(str) : 0;
while (len && isspace(str[len - 1]))
str[--len] = '\0';
return str;
}
/* run the whitespace off the front of a string */
char *
string_skipwhite(char *str)
{
while (*str && isspace(*str))
++str;
return str;
}
Boolean
directory_exists(const char *dirname)
{
DIR *tptr;
if (!dirname)
return FALSE;
if (!strlen(dirname))
return FALSE;
tptr = opendir(dirname);
if (!tptr)
return (FALSE);
closedir(tptr);
return (TRUE);
}
/* A free guaranteed to take NULL ptrs */
void
safe_free(void *ptr)
{
if (ptr)
free(ptr);
}
/* A malloc that checks errors */
void *
safe_malloc(size_t size)
{
void *ptr;
if (size <= 0)
msgFatal("Invalid malloc size of %ld!", (long)size);
ptr = malloc(size);
if (!ptr)
msgFatal("Out of memory!");
bzero(ptr, size);
return ptr;
}
int
Mkdir(char *ipath)
{
struct stat sb;
int final;
char *p, *path;
if (file_readable(ipath) || Fake)
return DITEM_SUCCESS;
path = strcpy(alloca(strlen(ipath) + 1), ipath);
if (isDebug())
msgDebug("mkdir(%s)\n", path);
p = path;
if (p[0] == '/') /* Skip leading '/'. */
++p;
for (final = FALSE; !final; ++p) {
if (p[0] == '\0' || (p[0] == '/' && p[1] == '\0'))
final = TRUE;
else if (p[0] != '/')
continue;
*p = '\0';
if (stat(path, &sb)) {
if (errno != ENOENT) {
msgConfirm("Couldn't stat directory %s: %s", path, strerror(errno));
return DITEM_FAILURE;
}
if (isDebug())
msgDebug("mkdir(%s..)\n", path);
if (mkdir(path, S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
msgConfirm("Couldn't create directory %s: %s", path,strerror(errno));
return DITEM_FAILURE;
}
}
*p = '/';
}
return DITEM_SUCCESS;
}
int
Mount(char *mountp, void *dev)
{
struct ufs_args ufsargs;
char device[80];
char mountpoint[FILENAME_MAX];
if (Fake)
return DITEM_SUCCESS;
if (*((char *)dev) != '/') {
sprintf(device, "/dev/%s", (char *)dev);
sprintf(mountpoint, "%s", mountp);
}
else {
strcpy(device, dev);
strcpy(mountpoint, mountp);
}
memset(&ufsargs,0,sizeof ufsargs);
if (Mkdir(mountpoint)) {
msgConfirm("Unable to make directory mountpoint for %s!", mountpoint);
return DITEM_FAILURE;
}
if (isDebug())
msgDebug("mount %s %s\n", device, mountpoint);
ufsargs.fspec = device;
if (mount("ufs", mountpoint, 0,
(caddr_t)&ufsargs) == -1) {
msgConfirm("Error mounting %s on %s : %s", device, mountpoint, strerror(errno));
return DITEM_FAILURE;
}
return DITEM_SUCCESS;
}
WINDOW *
savescr(void)
{
WINDOW *w;
w = dupwin(newscr);
return w;
}
void
restorescr(WINDOW *w)
{
touchwin(w);
wrefresh(w);
delwin(w);
}
static int
xdialog_count_rows(const char *p)
{
int rows = 0;
while ((p = strchr(p, '\n')) != NULL) {
p++;
if (*p == '\0')
break;
rows++;
}
return rows ? rows : 1;
}
static int
xdialog_count_columns(const char *p)
{
int len;
int max_len = 0;
const char *q;
for (; (q = strchr(p, '\n')) != NULL; p = q + 1) {
len = q - p;
max_len = MAX(max_len, len);
}
len = strlen(p);
max_len = MAX(max_len, len);
return max_len;
}
int
xdialog_menu(const char *title, const char *cprompt, int height, int width,
int menu_height, int item_no, dialogMenuItem *ditems)
{
int i, result, choice = 0;
DIALOG_LISTITEM *listitems;
DIALOG_VARS save_vars;
dlg_save_vars(&save_vars);
/* initialize list items */
listitems = dlg_calloc(DIALOG_LISTITEM, item_no + 1);
assert_ptr(listitems, "xdialog_menu");
for (i = 0; i < item_no; i++) {
listitems[i].name = ditems[i].prompt;
listitems[i].text = ditems[i].title;
}
/* calculate height */
if (height < 0)
height = xdialog_count_rows(cprompt) + menu_height + 4 + 2;
if (height > LINES)
height = LINES;
/* calculate width */
if (width < 0) {
int tag_x = 0;
for (i = 0; i < item_no; i++) {
int j, l;
l = strlen(listitems[i].name);
for (j = 0; j < item_no; j++) {
int k = strlen(listitems[j].text);
tag_x = MAX(tag_x, l + k + 2);
}
}
width = MAX(xdialog_count_columns(cprompt), title != NULL ? xdialog_count_columns(title) : 0);
width = MAX(width, tag_x + 4) + 4;
}
width = MAX(width, 24);
if (width > COLS)
width = COLS;
/* show menu */
dialog_vars.default_item = listitems[choice].name;
result = dlg_menu(title, cprompt, height, width,
menu_height, item_no, listitems, &choice, NULL);
switch (result) {
case DLG_EXIT_ESC:
result = -1;
break;
case DLG_EXIT_OK:
if (ditems[choice].fire != NULL) {
int status;
WINDOW *save;
save = savescr();
status = ditems[choice].fire(ditems + choice);
restorescr(save);
}
result = 0;
break;
case DLG_EXIT_CANCEL:
default:
result = 1;
break;
}
free(listitems);
dlg_restore_vars(&save_vars);
return result;
}
int
xdialog_radiolist(const char *title, const char *cprompt, int height, int width,
int menu_height, int item_no, dialogMenuItem *ditems)
{
int i, result, choice = 0;
DIALOG_LISTITEM *listitems;
DIALOG_VARS save_vars;
dlg_save_vars(&save_vars);
/* initialize list items */
listitems = dlg_calloc(DIALOG_LISTITEM, item_no + 1);
assert_ptr(listitems, "xdialog_menu");
for (i = 0; i < item_no; i++) {
listitems[i].name = ditems[i].prompt;
listitems[i].text = ditems[i].title;
listitems[i].state = i == choice;
}
/* calculate height */
if (height < 0)
height = xdialog_count_rows(cprompt) + menu_height + 4 + 2;
if (height > LINES)
height = LINES;
/* calculate width */
if (width < 0) {
int check_x = 0;
for (i = 0; i < item_no; i++) {
int j, l;
l = strlen(listitems[i].name);
for (j = 0; j < item_no; j++) {
int k = strlen(listitems[j].text);
check_x = MAX(check_x, l + k + 6);
}
}
width = MAX(xdialog_count_columns(cprompt), title != NULL ? xdialog_count_columns(title) : 0);
width = MAX(width, check_x + 4) + 4;
}
width = MAX(width, 24);
if (width > COLS)
width = COLS;
/* show menu */
dialog_vars.default_item = listitems[choice].name;
result = dlg_checklist(title, cprompt, height, width,
menu_height, item_no, listitems, NULL, FLAG_RADIO, &choice);
switch (result) {
case DLG_EXIT_ESC:
result = -1;
break;
case DLG_EXIT_OK:
if (ditems[choice].fire != NULL) {
int status;
WINDOW *save;
save = savescr();
status = ditems[choice].fire(ditems + choice);
restorescr(save);
}
result = 0;
break;
case DLG_EXIT_CANCEL:
default:
result = 1;
break;
}
/* save result */
if (result == 0)
dlg_add_result(listitems[choice].name);
free(listitems);
dlg_restore_vars(&save_vars);
return result;
}
int
xdialog_msgbox(const char *title, const char *cprompt,
int height, int width, int pauseopt)
{
/* calculate height */
if (height < 0)
height = 2 + xdialog_count_rows(cprompt) + 2 + !!pauseopt;
if (height > LINES)
height = LINES;
/* calculate width */
if (width < 0) {
width = title != NULL ? xdialog_count_columns(title) : 0;
width = MAX(width, xdialog_count_columns(cprompt)) + 4;
}
if (pauseopt)
width = MAX(width, 10);
if (width > COLS)
width = COLS;
return dialog_msgbox(title, cprompt, height, width, pauseopt);
}
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