freebsd-nq/sbin/sysinstall/utils.c
Andrey A. Chernov 35c9f61260 remove unneded includes
use dialog functions properly
move alloc_memory early to prevent core dump at stage 3
Change 25x80 to 24x80
Fix setenv diagnostic
Fix Fatal to call end_dialog()
1994-10-20 19:30:56 +00:00

173 lines
3.1 KiB
C

/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: utils.c,v 1.3 1994/10/20 06:48:40 phk Exp $
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <dialog.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/param.h>
#include <sys/mount.h>
#include "sysinstall.h"
void
TellEm(char *fmt, ...)
{
char *p;
va_list ap;
p = Malloc(2048);
va_start(ap,fmt);
vsnprintf(p, 2048, fmt, ap);
va_end(ap);
dialog_msgbox("Progress", p, 3, 75, 0);
free(p);
}
void
Fatal(char *fmt, ...)
{
char *p;
va_list ap;
p = Malloc(2048);
va_start(ap,fmt);
vsnprintf(p, 2048, fmt, ap);
va_end(ap);
dialog_msgbox("Fatal", p, 12, 75, 1);
free(p);
end_dialog();
exit(7);
}
int
AskAbort(char *fmt, ...)
{
char *p;
va_list ap;
int i;
p = Malloc(2048);
va_start(ap,fmt);
vsnprintf(p, 2048, fmt, ap);
va_end(ap);
i = dialog_yesno("Abort", p, 12, 75);
free(p);
return i;
}
void *
Malloc(size_t size)
{
void *p = malloc(size);
if (!p) {
exit(7); /* XXX longjmp bad */
}
return p;
}
char *
StrAlloc(char *str)
{
char *p;
p = (char *)Malloc(strlen(str) + 1);
strcpy(p,str);
return p;
}
int
exec(char *cmd, char *args, ...)
{
int pid, w, status;
char **argv = NULL;
int arg = 0;
int no_args = 0;
va_list ap;
struct stat dummy;
if (stat(cmd, &dummy) == -1) {
sprintf(errmsg, "Executable %s does not exist\n", cmd);
return(-1);
}
va_start(ap, args);
do {
if (arg == no_args) {
no_args += 10;
if (!(argv = realloc(argv, no_args * sizeof(char *)))) {
sprintf(errmsg, "Failed to allocate memory during exec of %s\n", cmd);
return(-1);
}
if (arg == 0)
argv[arg++] = (char *)args;
}
} while ((argv[arg++] = va_arg(ap, char *)));
va_end(ap);
if ((pid = fork()) == 0) {
execv(cmd, argv);
exit(1);
}
while ((w = wait(&status)) != pid && w != -1)
;
free(argv);
if (w == -1) {
sprintf(errmsg, "Child process %s terminated abnormally\n", cmd);
return(-1);
}
return(0);
}
void
MountUfs(char *device, char *prefix, char *mountpoint, int do_mkdir)
{
struct ufs_args ufsargs;
char dbuf[90];
char pbuf[90];
memset(&ufsargs,0,sizeof ufsargs);
if (prefix)
strcpy(pbuf,prefix);
else
strcpy(pbuf,"");
strcat(pbuf,mountpoint);
if(do_mkdir && access(pbuf,R_OK)) {
TellEm("mkdir %s",pbuf);
if (mkdir(pbuf,S_IRWXU) == -1) {
Fatal("Couldn't create directory %s: %s\n",
pbuf,strerror(errno));
}
}
strcpy(dbuf,"/dev/");
strcat(dbuf,device);
TellEm("mount /dev/%s /mnt%s",dbuf,pbuf);
ufsargs.fspec = dbuf;
if (mount(MOUNT_UFS,pbuf, 0, (caddr_t) &ufsargs) == -1) {
Fatal("Error mounting %s on : %s\n",
dbuf, pbuf, strerror(errno));
}
}