static void poll_fd_set(EsockPoll *ep, FD fd, short events)
{
int i, j;
int prev_num_fds = ep->num_fds;
if (ep->num_fds <= fd) {
ep->num_fds = fd + 64;
ep->fd_to_poll = (int *) esock_realloc(ep->fd_to_poll,
ep->num_fds*sizeof(int));
for (j = prev_num_fds; j < ep->num_fds; j++)
ep->fd_to_poll[j] = -1;
}
i = ep->fd_to_poll[fd];
if (i > 0 && i < ep->active && ep->fds[i].fd == fd) {
/* Already present in poll array */
ep->fds[i].events |= events;
} else {
/* Append to poll array */
if (ep->active >= ep->allocated) {
ep->allocated *= 2;
ep->fds = (struct pollfd *)
esock_realloc(ep->fds, ep->allocated*sizeof(struct pollfd));
}
ep->fd_to_poll[fd] = ep->active;
ep->fds[ep->active].fd = fd;
ep->fds[ep->active].events = events;
ep->fds[ep->active].revents = 0;
ep->active++;
}
}
/* Builds an argv array from cmd. Spaces and tabs within double quotes
* are not considered delimiters. Double quotes are removed.
*
* The return value is argc, and the pointer to char ** is set. argc
* is non-negative, argv[0], ..., argv[argc - 1] are pointers to
* strings, and argv[argc] == NULL. All argv[0], ..., argv[argc - 1]
* must be freed by the user, and also the argv pointer itself.
*
* Example: cmd = abc"/program files/"olle nisse, results in
* argv[0] = abc/program files/olle, argv[1] = nisse, argc = 2.
*
*/
int esock_build_argv(char *cmd, char ***argvp)
{
int argvsize = 10, argc = 0;
char *args, *tokp, *argp;
char **argv;
argv = esock_malloc(argvsize * sizeof(char *));
args = esock_malloc(strlen(cmd) + 1);
strcpy(args, cmd);
tokp = strtok_quote(args, " \t");
while (tokp != NULL) {
if (argc + 1 >= argvsize) {
argvsize += 10;
argv = esock_realloc(argv, argvsize * sizeof(char *));
}
argp = esock_malloc(strlen(tokp) + 1);
strcpy(argp, tokp);
argv[argc++] = argp;
tokp = strtok_quote(NULL, " \t");
}
esock_free(args);
argv[argc] = NULL;
*argvp = argv;
return argc;
}
