Use autotools build system and add license

Signed-off-by: Nikias Bassen <nikias@gmx.li>

1 files changed, 0 insertions, 298 deletions

diff --git a/sock_stuff.c b/sock_stuff.c
deleted file mode 100644
index b51d6ba..0000000
--- a/sock_stuff.c
+++ /dev/null
@@ -1,298 +0,0 @@
-#include <stdio.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include "sock_stuff.h"
-
-#define RECV_TIMEOUT 20000
-
-static int verbose = 0;
-
-void sock_stuff_set_verbose(int level)
-{
-	verbose = level;
-}
-
-int create_unix_socket(const char *filename)
-{
-	struct sockaddr_un name;
-	int sock;
-	size_t size;
-
-	// remove if still present
-	unlink(filename);
-
-	/* Create the socket. */
-	sock = socket(PF_LOCAL, SOCK_STREAM, 0);
-	if (sock < 0) {
-		perror("socket");
-		return -1;
-	}
-
-	/* Bind a name to the socket. */
-	name.sun_family = AF_LOCAL;
-	strncpy(name.sun_path, filename, sizeof(name.sun_path));
-	name.sun_path[sizeof(name.sun_path) - 1] = '\0';
-
-	/* The size of the address is
-	   the offset of the start of the filename,
-	   plus its length,
-	   plus one for the terminating null byte.
-	   Alternatively you can just do:
-	   size = SUN_LEN (&name);
-	 */
-	size = (offsetof(struct sockaddr_un, sun_path)
-			+ strlen(name.sun_path) + 1);
-
-	if (bind(sock, (struct sockaddr *) &name, size) < 0) {
-		perror("bind");
-		close(sock);
-		return -1;
-	}
-
-	if (listen(sock, 10) < 0) {
-		perror("listen");
-		close(sock);
-		return -1;
-	}
-
-	return sock;
-}
-
-int connect_unix_socket(const char *filename)
-{
-	struct sockaddr_un name;
-	int sfd = -1;
-	size_t size;
-	struct stat fst;
-
-	// check if socket file exists...
-	if (stat(filename, &fst) != 0) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: stat '%s': %s\n", __func__, filename,
-					strerror(errno));
-		return -1;
-	}
-	// ... and if it is a unix domain socket
-	if (!S_ISSOCK(fst.st_mode)) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: File '%s' is not a socket!\n", __func__,
-					filename);
-		return -1;
-	}
-	// make a new socket
-	if ((sfd = socket(PF_LOCAL, SOCK_STREAM, 0)) < 0) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: socket: %s\n", __func__, strerror(errno));
-		return -1;
-	}
-	// and connect to 'filename'
-	name.sun_family = AF_LOCAL;
-	strncpy(name.sun_path, filename, sizeof(name.sun_path));
-	name.sun_path[sizeof(name.sun_path) - 1] = 0;
-
-	size = (offsetof(struct sockaddr_un, sun_path)
-			+ strlen(name.sun_path) + 1);
-
-	if (connect(sfd, (struct sockaddr *) &name, size) < 0) {
-		close(sfd);
-		if (verbose >= 2)
-			fprintf(stderr, "%s: connect: %s\n", __func__,
-					strerror(errno));
-		return -1;
-	}
-
-	return sfd;
-}
-
-int create_socket(uint16_t port)
-{
-	int sfd = -1;
-	int yes = 1;
-	struct sockaddr_in saddr;
-
-	if (0 > (sfd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))) {
-		perror("socket()");
-		return -1;
-	}
-
-	if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) {
-		perror("setsockopt()");
-		close(sfd);
-		return -1;
-	}
-
-	memset((void *) &saddr, 0, sizeof(saddr));
-	saddr.sin_family = AF_INET;
-	saddr.sin_addr.s_addr = htonl(INADDR_ANY);
-	saddr.sin_port = htons(port);
-
-	if (0 > bind(sfd, (struct sockaddr *) &saddr, sizeof(saddr))) {
-		perror("bind()");
-		close(sfd);
-		return -1;
-	}
-
-	if (listen(sfd, 1) == -1) {
-		perror("listen()");
-		close(sfd);
-		return -1;
-	}
-
-	return sfd;
-}
-
-int connect_socket(const char *addr, uint16_t port)
-{
-	int sfd = -1;
-	int yes = 1;
-	struct hostent *hp;
-	struct sockaddr_in saddr;
-
-	if (!addr) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	if ((hp = gethostbyname(addr)) == NULL) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: unknown host '%s'\n", __func__, addr);
-		return -1;
-	}
-
-	if (!hp->h_addr) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: gethostbyname returned NULL address!\n",
-					__func__);
-		return -1;
-	}
-
-	if (0 > (sfd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))) {
-		perror("socket()");
-		return -1;
-	}
-
-	if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) {
-		perror("setsockopt()");
-		close(sfd);
-		return -1;
-	}
-
-	memset((void *) &saddr, 0, sizeof(saddr));
-	saddr.sin_family = AF_INET;
-	saddr.sin_addr.s_addr = *(uint32_t *) hp->h_addr;
-	saddr.sin_port = htons(port);
-
-	if (connect(sfd, (struct sockaddr *) &saddr, sizeof(saddr)) < 0) {
-		perror("connect");
-		close(sfd);
-		return -2;
-	}
-
-	return sfd;
-}
-
-int check_fd(int fd, fd_mode fdm, unsigned int timeout)
-{
-	fd_set fds;
-	int sret;
-	int eagain;
-	struct timeval to;
-
-	if (fd <= 0) {
-		if (verbose >= 2)
-			fprintf(stderr, "ERROR: invalid fd in check_fd %d\n", fd);
-		return -1;
-	}
-
-	FD_ZERO(&fds);
-	FD_SET(fd, &fds);
-
-	to.tv_sec = (time_t) (timeout / 1000);
-	to.tv_usec = (time_t) ((timeout - (to.tv_sec * 1000)) * 1000);
-
-	sret = -1;
-
-	do {
-		eagain = 0;
-		switch (fdm) {
-		case FD_READ:
-			sret = select(fd + 1, &fds, NULL, NULL, &to);
-			break;
-		case FD_WRITE:
-			sret = select(fd + 1, NULL, &fds, NULL, &to);
-			break;
-		case FD_EXCEPT:
-			sret = select(fd + 1, NULL, NULL, &fds, &to);
-			break;
-		default:
-			return -1;
-		}
-
-		if (sret < 0) {
-			switch (errno) {
-			case EINTR:
-				// interrupt signal in select
-				if (verbose >= 2)
-					fprintf(stderr, "%s: EINTR\n", __func__);
-				eagain = 1;
-				break;
-			case EAGAIN:
-				if (verbose >= 2)
-					fprintf(stderr, "%s: EAGAIN\n", __func__);
-				break;
-			default:
-				if (verbose >= 2)
-					fprintf(stderr, "%s: select failed: %s\n", __func__,
-							strerror(errno));
-				return -1;
-			}
-		}
-	} while (eagain);
-
-	return sret;
-}
-
-int recv_buf(int fd, void *data, size_t length)
-{
-	return recv_buf_timeout(fd, data, length, 0, RECV_TIMEOUT);
-}
-
-int peek_buf(int fd, void *data, size_t length)
-{
-	return recv_buf_timeout(fd, data, length, MSG_PEEK, RECV_TIMEOUT);
-}
-
-int recv_buf_timeout(int fd, void *data, size_t length, int flags,
-					 unsigned int timeout)
-{
-	int res;
-	int result;
-
-	// check if data is available
-	res = check_fd(fd, FD_READ, timeout);
-	if (res <= 0) {
-		return res;
-	}
-	// if we get here, there _is_ data available
-	result = recv(fd, data, length, flags);
-	if (res > 0 && result == 0) {
-		// but this is an error condition
-		if (verbose >= 3)
-			fprintf(stderr, "%s: fd=%d recv returned 0\n", __func__, fd);
-		return -1;
-	}
-	return result;
-}
-
-int send_buf(int fd, void *data, size_t length)
-{
-	return send(fd, data, length, 0);
-}