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-rw-r--r--desiredata/src/u_pdsend.c77
1 files changed, 26 insertions, 51 deletions
diff --git a/desiredata/src/u_pdsend.c b/desiredata/src/u_pdsend.c
index 3efa1479..f0b50aaa 100644
--- a/desiredata/src/u_pdsend.c
+++ b/desiredata/src/u_pdsend.c
@@ -26,8 +26,7 @@ void sockerror(char *s);
void x_closesocket(int fd);
#define BUFSIZE 4096
-int main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
int sockfd, portno, protocol;
struct sockaddr_in server;
struct hostent *hp;
@@ -36,100 +35,76 @@ int main(int argc, char **argv)
short version = MAKEWORD(2, 0);
WSADATA nobby;
#endif
- if (argc < 2 || sscanf(argv[1], "%d", &portno) < 1 || portno <= 0)
- goto usage;
- if (argc >= 3)
- hostname = argv[2];
- else hostname = "127.0.0.1";
- if (argc >= 4)
- {
- if (!strcmp(argv[3], "tcp"))
- protocol = SOCK_STREAM;
- else if (!strcmp(argv[3], "udp"))
- protocol = SOCK_DGRAM;
+ if (argc<2 || sscanf(argv[1], "%d", &portno)<1 || portno<=0) goto usage;
+ if (argc>=3) hostname = argv[2]; else hostname = "127.0.0.1";
+ if (argc >= 4) {
+ if (!strcmp(argv[3], "tcp")) protocol = SOCK_STREAM;
+ else if (!strcmp(argv[3], "udp")) protocol = SOCK_DGRAM;
else goto usage;
- }
- else protocol = SOCK_STREAM;
+ } else protocol = SOCK_STREAM;
#ifdef MSW
if (WSAStartup(version, &nobby)) sockerror("WSAstartup");
#endif
sockfd = socket(AF_INET, protocol, 0);
- if (sockfd < 0)
- {
+ if (sockfd < 0) {
sockerror("socket()");
- exit(1);
+ return 1;
}
- /* connect socket using hostname provided in command line */
+ /* connect socket using hostname provided in command line */
server.sin_family = AF_INET;
hp = gethostbyname(hostname);
- if (hp == 0)
- {
+ if (hp == 0) {
fprintf(stderr, "%s: unknown host\n", hostname);
x_closesocket(sockfd);
- exit(1);
+ return 1;
}
memcpy((char *)&server.sin_addr, (char *)hp->h_addr, hp->h_length);
/* assign client port number */
server.sin_port = htons((unsigned short)portno);
- /* try to connect. */
- if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0)
- {
+ /* try to connect. */
+ if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0) {
sockerror("connect");
x_closesocket(sockfd);
- exit(1);
+ return 1;
}
/* now loop reading stdin and sending it to socket */
- while (1)
- {
+ while (1) {
char buf[BUFSIZE], *bp;
- unsigned int nsent, nsend;
- if (!fgets(buf, BUFSIZE, stdin))
- break;
+ unsigned int nsent, nsend;
+ if (!fgets(buf, BUFSIZE, stdin)) break;
nsend = strlen(buf);
- for (bp = buf, nsent = 0; nsent < nsend;)
- {
+ for (bp = buf, nsent = 0; nsent < nsend;) {
int res = send(sockfd, buf, nsend-nsent, 0);
- if (res < 0)
- {
- sockerror("send");
- goto done;
- }
+ if (res<0) {sockerror("send"); goto done;}
nsent += res;
bp += res;
}
}
done:
- if (ferror(stdin))
- perror("stdin");
- exit (0);
+ if (ferror(stdin)) perror("stdin");
+ return 0;
usage:
fprintf(stderr, "usage: pdsend <portnumber> [host] [udp|tcp]\n");
fprintf(stderr, "(default is localhost and tcp)\n");
- exit(1);
+ return 1;
}
-void sockerror(char *s)
-{
+void sockerror(char *s) {
#ifdef MSW
int err = WSAGetLastError();
if (err == 10054) return;
- else if (err == 10044)
- {
- fprintf(stderr,
- "Warning: you might not have TCP/IP \"networking\" turned on\n");
- }
+ else if (err == 10044) fprintf(stderr,"Warning: you might not have TCP/IP \"networking\" turned on\n");
#else
int err = errno;
#endif
fprintf(stderr, "%s: %s (%d)\n", s, strerror(err), err);
}
-void x_closesocket(int fd)
-{
+void x_closesocket(int fd) {
#ifdef MSW
closesocket(fd);
#else