iiiypuk/sic
iiiypuk/sic
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added eprint()

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This commit is contained in:
Anselm R. Garbe 2007-02-09 16:04:49 +01:00
parent 81238e16fe
commit 75f0af7c42
1 changed files with 30 additions and 34 deletions
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62
sic.c
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@ -5,6 +5,7 @@
#include <errno.h> #include <errno.h>
#include <netdb.h> #include <netdb.h>
#include <netinet/in.h> #include <netinet/in.h>
#include <stdarg.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -27,6 +28,16 @@ static char channel[256];
static int srv; static int srv;
static time_t trespond; static time_t trespond;
static void
eprint(const char *errstr, ...) {
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
static int static int
getline(int fd, unsigned int len, char *buf) { getline(int fd, unsigned int len, char *buf) {
unsigned int i = 0; unsigned int i = 0;
@ -166,32 +177,23 @@ main(int argc, char *argv[]) {
else if(!strncmp(argv[i], "-f", 3)) { else if(!strncmp(argv[i], "-f", 3)) {
if(++i < argc) fullname = argv[i]; if(++i < argc) fullname = argv[i];
} }
else if(!strncmp(argv[i], "-v", 3)) { else if(!strncmp(argv[i], "-v", 3))
fputs("sic-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout); eprint("sic-"VERSION", (C)opyright MMVI Anselm R. Garbe\n");
exit(EXIT_SUCCESS); else
} eprint("usage: sic [-h host] [-p port] [-n nick]"
else { " [-k keyword] [-f fullname] [-v]\n");
fputs("usage: sic [-h host] [-p port] [-n nick]"
" [-k keyword] [-f fullname] [-v]\n", stderr);
exit(EXIT_FAILURE);
}
/* init */ /* init */
if((srv = socket(AF_INET, SOCK_STREAM, 0)) < 0) { if((srv = socket(AF_INET, SOCK_STREAM, 0)) < 0)
fprintf(stderr, "sic: cannot connect host '%s'\n", host); eprint("sic: cannot connect host '%s'\n", host);
exit(EXIT_FAILURE); if(NULL == (hp = gethostbyname(host)))
} eprint("sic: cannot resolve hostname '%s'\n", host);
if (NULL == (hp = gethostbyname(host))) {
fprintf(stderr, "sic: cannot resolve hostname '%s'\n", host);
exit(EXIT_FAILURE);
}
addr.sin_family = AF_INET; addr.sin_family = AF_INET;
addr.sin_port = htons(port); addr.sin_port = htons(port);
memcpy(&addr.sin_addr, hp->h_addr, hp->h_length); memcpy(&addr.sin_addr, hp->h_addr, hp->h_length);
if(connect(srv, (struct sockaddr *) &addr, sizeof(struct sockaddr_in))) { if(connect(srv, (struct sockaddr *) &addr, sizeof(struct sockaddr_in))) {
close(srv); close(srv);
fprintf(stderr, "sic: cannot connect host '%s'\n", host); eprint("sic: cannot connect host '%s'\n", host);
exit(EXIT_FAILURE);
} }
/* login */ /* login */
if(password) if(password)
@ -216,29 +218,23 @@ main(int argc, char *argv[]) {
if(i < 0) { if(i < 0) {
if(errno == EINTR) if(errno == EINTR)
continue; continue;
perror("sic: error on select()"); eprint("sic: error on select()");
exit(EXIT_FAILURE);
} else if(i == 0) {
if(time(NULL) - trespond >= PINGTIMEOUT) {
pout(host, "-!- sic shutting down: parse timeout");
exit(EXIT_FAILURE);
} }
else if(i == 0) {
if(time(NULL) - trespond >= PINGTIMEOUT)
eprint("sic shutting down: parse timeout");
write(srv, ping, strlen(ping)); write(srv, ping, strlen(ping));
continue; continue;
} }
if(FD_ISSET(srv, &rd)) { if(FD_ISSET(srv, &rd)) {
if(getline(srv, sizeof bufin, bufin) == -1) { if(getline(srv, sizeof bufin, bufin) == -1)
perror("sic: remote host closed connection"); eprint("sic: remote host closed connection");
exit(EXIT_FAILURE);
}
parsesrv(bufin); parsesrv(bufin);
trespond = time(NULL); trespond = time(NULL);
} }
if(FD_ISSET(0, &rd)) { if(FD_ISSET(0, &rd)) {
if(getline(0, sizeof bufin, bufin) == -1) { if(getline(0, sizeof bufin, bufin) == -1)
perror("sic: broken pipe"); eprint("sic: broken pipe");
exit(EXIT_FAILURE);
}
parsein(bufin); parsein(bufin);
} }
} }