/* for getaddrinfo */
#include <sys/types.h>
-#include <sys/socket.h>
#include <netdb.h>
+#include <poll.h>
+
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
const char *ptr;
size_t nleft;
ssize_t status;
+ struct pollfd pfd;
ptr = (const char *) buf;
nleft = count;
+
+ /* checking for closed peer connection */
+ pfd.fd = fd;
+ pfd.events = POLLIN | POLLHUP;
+ pfd.revents = 0;
+ if (poll(&pfd, 1, 0) > 0) {
+ char buffer[32];
+ if (recv(fd, buffer, sizeof(buffer), MSG_PEEK | MSG_DONTWAIT) == 0) {
+ // if recv returns zero (even though poll() said there is data to be read),
+ // that means the connection has been closed
+ return -1;
+ }
+ }
while (nleft > 0)
{
}
assert (buffer[buffer_size - 1] == 0);
- return (strlen (buffer));
+ return ((int) strlen (buffer));
}
int strsubstitute (char *str, char c_from, char c_to)
char *ptr;
char *saveptr;
+ if ((buffer == NULL) || (vl == NULL) || (ds == NULL))
+ return EINVAL;
+
i = 0;
dummy = buffer;
saveptr = NULL;