Add new file utils.c, Move ast_gethostbyname to utils.c

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@2931 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 0 insertions, 132 deletions

diff --git a/asterisk.c b/asterisk.c
index 3edefd223..ec3f9f5d5 100755
--- a/asterisk.c
+++ b/asterisk.c
@@ -1723,135 +1723,3 @@ int main(int argc, char *argv[])
 	}
 	return 0;
 }
-
-
-#if  defined(__FreeBSD__)
-
-/* duh? ERANGE value copied from web... */
-#define ERANGE 34
-#undef gethostbyname
-
-int gethostbyname_r (const char *name,
-		     struct hostent *ret,
-		     char *buf,
-		     size_t buflen,
-		     struct hostent **result,
-		     int *h_errnop);
-
-int gethostbyname_r (const char *name,
-		     struct hostent *ret,
-		     char *buf,
-		     size_t buflen,
-		     struct hostent **result,
-		     int *h_errnop) {
-
-  int hsave;
-  struct hostent *ph;
-  static ast_mutex_t __mutex = AST_MUTEX_INITIALIZER;
-  ast_mutex_lock(&__mutex); /* begin critical area */
-  hsave = h_errno;
-
-  ph = gethostbyname(name);
-  *h_errnop = h_errno; /* copy h_errno to *h_herrnop */
-  if (ph == NULL) {
-    *result = NULL;
-  } else {
-    char **p, **q;
-    char *pbuf;
-    int nbytes=0;
-    int naddr=0, naliases=0;
-    /* determine if we have enough space in buf */
-
-    /* count how many addresses */
-    for (p = ph->h_addr_list; *p != 0; p++) {
-      nbytes += ph->h_length; /* addresses */
-      nbytes += sizeof(*p); /* pointers */
-      naddr++;
-    }
-    nbytes += sizeof(*p); /* one more for the terminating NULL */
-
-    /* count how many aliases, and total length of strings */
-
-    for (p = ph->h_aliases; *p != 0; p++) {
-      nbytes += (strlen(*p)+1); /* aliases */
-      nbytes += sizeof(*p);  /* pointers */
-      naliases++;
-    }
-    nbytes += sizeof(*p); /* one more for the terminating NULL */
-
-    /* here nbytes is the number of bytes required in buffer */
-    /* as a terminator must be there, the minimum value is ph->h_length */
-    if(nbytes > buflen) {
-      *result = NULL;
-      pthread_mutex_unlock(&__mutex); /* end critical area */
-      return ERANGE; /* not enough space in buf!! */
-    }
-
-    /* There is enough space. Now we need to do a deep copy! */
-    /* Allocation in buffer:
-       from [0] to [(naddr-1) * sizeof(*p)]:
-       pointers to addresses
-       at [naddr * sizeof(*p)]:
-       NULL
-       from [(naddr+1) * sizeof(*p)] to [(naddr+naliases) * sizeof(*p)] :
-       pointers to aliases
-       at [(naddr+naliases+1) * sizeof(*p)]:
-       NULL
-       then naddr addresses (fixed length), and naliases aliases (asciiz).
-    */
-
-    *ret = *ph;   /* copy whole structure (not its address!) */
-
-    /* copy addresses */
-    q = (char **)buf; /* pointer to pointers area (type: char **) */
-    ret->h_addr_list = q; /* update pointer to address list */
-    pbuf = buf + ((naddr+naliases+2)*sizeof(*p)); /* skip that area */
-    for (p = ph->h_addr_list; *p != 0; p++) {
-      memcpy(pbuf, *p, ph->h_length); /* copy address bytes */
-      *q++ = pbuf; /* the pointer is the one inside buf... */
-      pbuf += ph->h_length; /* advance pbuf */
-    }
-    *q++ = NULL; /* address list terminator */
-
-    /* copy aliases */
-
-    ret->h_aliases = q; /* update pointer to aliases list */
-    for (p = ph->h_aliases; *p != 0; p++) {
-      strcpy(pbuf, *p); /* copy alias strings */
-      *q++ = pbuf; /* the pointer is the one inside buf... */
-      pbuf += strlen(*p); /* advance pbuf */
-      *pbuf++ = 0; /* string terminator */
-    }
-    *q++ = NULL; /* terminator */
-
-    strcpy(pbuf, ph->h_name); /* copy alias strings */
-    ret->h_name = pbuf;
-    pbuf += strlen(ph->h_name); /* advance pbuf */
-    *pbuf++ = 0; /* string terminator */
-
-    *result = ret;  /* and let *result point to structure */
-
-  }
-  h_errno = hsave;  /* restore h_errno */
-
-  ast_mutex_unlock(&__mutex); /* end critical area */
-
-  return (*result != NULL);
-
-}
-
-
-#endif
-
-struct hostent *ast_gethostbyname(const char *host, struct ast_hostent *hp)
-{
-	int res;
-	int herrno;
-	struct hostent *result = NULL;
-
-	res = gethostbyname_r(host, &hp->hp, hp->buf, sizeof(hp->buf), &result, &herrno);
-
-	if (res || !hp->hp.h_addr_list || !hp->hp.h_addr_list[0])
-		return NULL;
-	return &hp->hp;
-}