int
cdb_init(struct cdb *C, int fd)
{
struct stat sb;
uchar_t *map;
uchar_t buf[INITBUF_SIZE];
buf_zero(C, sizeof (struct cdb));
/* try to mmap() fd: */
if((fstat(fd, &sb) == 0) && (sb.st_size <= (off_t)0xffffffff)){
map = mmap(0, sb.st_size, PROT_READ, MAP_SHARED, fd, 0);
if(map != MAP_FAILED){
C->map = map;
C->map_size = sb.st_size;
}
}
C->fd = fd;
/* suck in file header: */
if(cdb_read(C, buf, sizeof buf, 0) == -1){
return -1;
}
/* C->hbase: offset to base of hash table (also eod): */
C->hbase = upak32_unpack(buf);
return 0;
}
static int nfcconf_lex_engine(nfcconf_parser * parser, BUFHAN * bp) {
int this_char;
while (1) {
switch (this_char = buf_nextch(bp)) {
case '#':
/* comment till end of line */
buf_eat_till(bp, '#', "\r\n");
nfcconf_parse_token(parser, TOKEN_TYPE_COMMENT, bp->buf);
buf_zero(bp);
continue;
case '\n':
nfcconf_parse_token(parser, TOKEN_TYPE_NEWLINE, NULL);
continue;
case ' ':
case '\t':
case '\r':
/* eat up whitespace */
continue;
case ',':
case '{':
case '}':
case '=':
case ';':
buf_addch(bp, (char) this_char);
nfcconf_parse_token(parser, TOKEN_TYPE_PUNCT, bp->buf);
buf_zero(bp);
continue;
case '"':
buf_eat_till(bp, (char) this_char, "\"\r\n");
buf_addch(bp, (char) buf_nextch(bp));
nfcconf_parse_token(parser, TOKEN_TYPE_STRING, bp->buf);
buf_zero(bp);
continue;
case EOF:
break;
default:
buf_eat_till(bp, (char) this_char, ";, \t\r\n");
nfcconf_parse_token(parser, TOKEN_TYPE_STRING, bp->buf);
buf_zero(bp);
continue;
}
break;
}
buf_finished(bp);
return 1;
}
int
cdb_clear(struct cdb *C)
{
int e = 0;
if(C->map != 0){
e = munmap(C->map, C->map_size);
}
buf_zero(C, sizeof (struct cdb));
return e;
}
int
domsock_create(const char *path, mode_t mode)
{
struct sockaddr_un sockaddr;
mode_t umask_orig;
int s;
int e, terrno;
if(sizeof(sockaddr.sun_path) < (cstr_len(path) + 1)){
errno = ENAMETOOLONG;
return -1;
}
if((s = socket(AF_LOCAL, SOCK_STREAM, 0)) == -1){
return -1;
}
unlink(path);
buf_zero(&sockaddr, sizeof (sockaddr));
sockaddr.sun_family = AF_LOCAL;
cstr_copy(sockaddr.sun_path, path);
if(bind(s, (const struct sockaddr *)&sockaddr, sizeof(sockaddr)) == -1){
goto FAIL;
}
if(mode != 0){
umask_orig = umask(0);
e = chmod(path, mode);
umask(umask_orig);
if(e == -1){
goto FAIL;
}
}
/* success: */
return s;
FAIL:
terrno = errno;
unlink(path);
close(s);
errno = terrno;
return -1;
}
/* perpd_svdef_clear()
** prepare a clean perpd_svdef object
*/
void
perpd_svdef_clear(struct svdef *svdef)
{
buf_zero(svdef, sizeof (struct svdef));
return;
}
