1/* misc.c - Miscellaneous library functions */
2
3/* Written 1997-2000 by Werner Almesberger, EPFL-ICA/ICA */
4
5#if HAVE_CONFIG_H
6#include <config.h>
7#endif
8
9#include <stdint.h>
10#include <stdarg.h>
11#include <string.h>
12#include <sys/socket.h>
13#include <sys/ioctl.h>
14#include <netinet/in.h> /* for htons */
15
16#include <atm.h>
17#include <atmsap.h>
18
19
20int __atmlib_fetch(const char **pos,...)
21{
22    const char *value;
23    int ref_len,best_len,len;
24    int i,best;
25    va_list ap;
26
27    va_start(ap,pos);
28    ref_len = strlen(*pos);
29    best_len = 0;
30    best = -1;
31    for (i = 0; (value = va_arg(ap,const char *)); i++) {
32	len = strlen(value);
33	if (*value != '!' && len <= ref_len && len > best_len &&
34	  !strncasecmp(*pos,value,len)) {
35	    best = i;
36	    best_len = len;
37	}
38    }
39    va_end(ap);
40    if (best > -1) (*pos) += best_len;
41    return best;
42}
43
44
45void atm_tcpip_port_mapping(char *vs_id,uint8_t protocol,uint16_t port)
46{
47    memcpy(vs_id,ATM_FORUM_OUI "\x01",4);
48    vs_id[4] = protocol; /* e.g. IP_TCP or IP_UDP; from netinet/protocols.h */
49    vs_id[5] = (htons(port) >> 8) & 255;
50    vs_id[6] = htons(port) & 255;
51}
52