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Fix for possibly broken I_FIND.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@262 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Unknown User d91-jda
1996-02-11 21:47:21 +00:00
parent f565996a72
commit cc9b280415
1 changed files with 34 additions and 3 deletions
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37
appl/telnet/telnetd/sys_term.c
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@@ -859,22 +859,53 @@ extern void utmp_sig_notify P((int));
#endif
#ifdef STREAMSPTY
/* I_FIND seems to live a life of its own */
static int my_find(int fd, char *module)
{
static int flag;
static struct str_list sl;
int n;
int i;
if(!flag){
n = ioctl(fd, I_LIST, 0);
if(n < 0){
perror("ioctl(fd, I_LIST, 0)");
return -1;
}
sl.sl_modlist=(struct str_mlist*)malloc(n * sizeof(struct str_mlist));
sl.sl_nmods = n;
n = ioctl(fd, I_LIST, &sl);
if(n != 0){
perror("ioctl(fd, I_LIST, n)");
return -1;
}
flag = 1;
}
for(i=0; i<sl.sl_nmods; i++)
if(!strcmp(sl.sl_modlist[i].l_name, module))
return 1;
return 0;
}
static void maybe_push_modules(int fd, char **modules)
{
char **p;
int err;
for(p=modules; *p; p++){
err=ioctl(fd, I_FIND, *p);
err = my_find(fd, *p);
if(err == 1)
break;
if(err < 0 && errno != EINVAL)
fatalperror(net, "I_FIND");
fatalperror(net, "my_find()");
/* module not pushed or does not exist */
}
/* p points to null or to an already pushed module, now push all
modules before this one */
for(p--; p >= modules; p--){
err = ioctl(fd, I_PUSH, *p);
if(err < 0 && errno != EINVAL)