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* net.cc (free_addr_list): Add define for symmetry. 

(free_hostent_ptr): Use free_addr_list to free h_addr_list element.
        (dup_addr_list): New static function.
        (dup_hostent_ptr): Use dup_addr_list instead of dup_char_list in order
        to handle embedded null characters.
This commit is contained in:
Corinna Vinschen 2001-08-24 06:57:53 +00:00
parent 56d5caaa85
commit 5d0fe6351a
2 changed files with 35 additions and 2 deletions
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11
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,14 @@
Fri Aug 24 8:54:00 2001 Corinna Vinschen <corinna@vinschen.de>
* net.cc (free_addr_list): Add define for symmetry.
(free_hostent_ptr): Use free_addr_list to free h_addr_list element.
Thu Aug 23 16:00:09 2001 Jason Tishler <jason@tishler.net>
* net.cc (dup_addr_list): New static function.
(dup_hostent_ptr): Use dup_addr_list instead of dup_char_list in order
to handle embedded null characters.
Wed Aug 22 22:23:14 2001 Christopher Faylor <cgf@cygnus.com>
* dtable.cc (dtable::dup2): Allow extension of fd table by dup2.

26
winsup/cygwin/net.cc
View File

@ -409,6 +409,27 @@ dup_char_list (char **src)
return dst;
}
#define free_addr_list(addr_list) free_char_list (addr_list)
static char **
dup_addr_list (char **src, unsigned int size)
{
char **dst;
int cnt = 0;
for (char **cl = src; *cl; ++cl)
++cnt;
if (!(dst = (char **) calloc (cnt + 1, sizeof *dst)))
return NULL;
while (cnt-- > 0)
{
if (!(dst[cnt] = (char *) malloc(size)))
return NULL;
memcpy(dst[cnt], src[cnt], size);
}
return dst;
}
static void
free_protoent_ptr (struct protoent *&p)
{
@ -998,7 +1019,7 @@ free_hostent_ptr (struct hostent *&p)
if (p->h_name)
free ((void *)p->h_name);
free_char_list (p->h_aliases);
free_char_list (p->h_addr_list);
free_addr_list (p->h_addr_list);
p = NULL;
}
}
@ -1021,7 +1042,8 @@ dup_hostent_ptr (struct hostent *src)
goto out;
if (src->h_aliases && !(dst->h_aliases = dup_char_list (src->h_aliases)))
goto out;
if (src->h_addr_list && !(dst->h_addr_list = dup_char_list(src->h_addr_list)))
if (src->h_addr_list
&& !(dst->h_addr_list = dup_addr_list(src->h_addr_list, src->h_length)))
goto out;
debug_printf ("hostent: copied %s", dst->h_name);