applied Martin Kopta's splint patch - sic - simple irc client | |
git clone git://git.suckless.org/sic | |
Log | |
Files | |
Refs | |
README | |
LICENSE | |
--- | |
commit 4a4f924fee3f3779e5856eabaed7672ca8d92a77 | |
parent b3ed5f414fab000e509ae23094befddca2aa6137 | |
Author: Anselm R Garbe <[email protected]> | |
Date: Fri, 7 Aug 2009 08:37:09 +0100 | |
applied Martin Kopta's splint patch | |
Diffstat: | |
M sic.c | 124 ++++++++++++++++-------------… | |
1 file changed, 64 insertions(+), 60 deletions(-) | |
--- | |
diff --git a/sic.c b/sic.c | |
@@ -13,6 +13,9 @@ | |
#define PINGTIMEOUT 300 | |
#define MAXMSG 4096 | |
+#ifndef VERSION | |
+#define VERSION "dev" | |
+#endif | |
static void die(const char *errstr, ...); | |
static void printl(char *channel, char *msg); | |
@@ -23,7 +26,6 @@ static int readl(int fd, unsigned int len, char *buf); | |
static char *host = "irc6.oftc.net"; | |
static char *port = "6667"; | |
-static char *password = NULL; | |
static char nick[32]; | |
static char bufin[MAXMSG], bufout[MAXMSG]; | |
@@ -34,9 +36,8 @@ static time_t trespond; | |
void | |
die(const char *errstr, ...) { | |
va_list ap; | |
- | |
va_start(ap, errstr); | |
- vfprintf(stderr, errstr, ap); | |
+ (void) vfprintf(stderr, errstr, ap); | |
va_end(ap); | |
exit(EXIT_FAILURE); | |
} | |
@@ -45,48 +46,46 @@ void | |
printl(char *channel, char *msg) { | |
static char timestr[18]; | |
time_t t = time(0); | |
- | |
- strftime(timestr, sizeof timestr, "%D %R", localtime(&t)); | |
+ (void) strftime(timestr, sizeof timestr, "%D %R", localtime(&t)); | |
fprintf(stdout, "%-12.12s: %s %s\n", channel, timestr, msg); | |
} | |
void | |
privmsg(char *channel, char *msg) { | |
- if(channel[0] == 0) | |
+ if(channel[0] == '\0') | |
return; | |
- snprintf(bufout, sizeof bufout, "<%s> %s", nick, msg); | |
+ (void) snprintf(bufout, sizeof bufout, "<%s> %s", nick, msg); | |
printl(channel, bufout); | |
- snprintf(bufout, sizeof bufout, "PRIVMSG %s :%s\r\n", channel, msg); | |
- write(srv, bufout, strlen(bufout)); | |
+ (void) snprintf(bufout, sizeof bufout, "PRIVMSG %s :%s\r\n", channel, … | |
+ (void) write(srv, bufout, strlen(bufout)); | |
} | |
void | |
parsein(char *msg) { | |
- char *p; | |
- | |
- if(msg[0] == 0) | |
+ char *p = NULL; | |
+ if(msg[0] == '\0') | |
return; | |
if(msg[0] != ':') { | |
privmsg(channel, msg); | |
return; | |
} | |
- if(!strncmp(msg + 1, "j ", 2) && (msg[3] == '#')) | |
- snprintf(bufout, sizeof bufout, "JOIN %s\r\n", msg + 3); | |
- else if(!strncmp(msg + 1, "l ", 2)) | |
- snprintf(bufout, sizeof bufout, "PART %s :sic - 250 LOC are to… | |
- else if(!strncmp(msg + 1, "m ", 2)) { | |
+ if(strncmp(msg + 1, "j ", 2) == 0 && (msg[3] == '#')) | |
+ (void) snprintf(bufout, sizeof bufout, "JOIN %s\r\n", msg + 3); | |
+ else if(strncmp(msg + 1, "l ", 2) == 0) | |
+ (void) snprintf(bufout, sizeof bufout, "PART %s :sic - 250 LOC… | |
+ else if(strncmp(msg + 1, "m ", 2) == 0) { | |
if((p = strchr(msg + 3, ' '))) | |
- *(p++) = 0; | |
+ *(p++) = '\0'; | |
privmsg(msg + 3, p); | |
return; | |
} | |
- else if(!strncmp(msg + 1, "s ", 2)) { | |
+ else if(strncmp(msg + 1, "s ", 2) == 0) { | |
strncpy(channel, msg + 3, sizeof channel); | |
return; | |
} | |
else | |
- snprintf(bufout, sizeof bufout, "%s\r\n", msg + 1); | |
- write(srv, bufout, strlen(bufout)); | |
+ (void) snprintf(bufout, sizeof bufout, "%s\r\n", msg + 1); | |
+ (void) write(srv, bufout, strlen(bufout)); | |
} | |
void | |
@@ -95,90 +94,95 @@ parsesrv(char *msg) { | |
txt = NULL; | |
usr = host; | |
- if(!msg || !(*msg)) | |
+ if(msg == NULL || *msg == '\0' ) | |
return; | |
if(msg[0] != ':') | |
cmd = msg; | |
else { | |
if(!(p = strchr(msg, ' '))) | |
return; | |
- *p = 0; | |
+ *p = '\0'; | |
usr = msg + 1; | |
cmd = ++p; | |
if((p = strchr(usr, '!'))) | |
- *p = 0; | |
+ *p = '\0'; | |
} | |
- for(p = cmd; *p; p++) /* remove CRLFs */ | |
+ for(p = cmd; *p != '\0'; p++) /* remove CRLFs */ | |
if(*p == '\r' || *p == '\n') | |
- *p = 0; | |
+ *p = '\0'; | |
if((p = strchr(cmd, ':'))) { | |
- *p = 0; | |
+ *p = '\0'; | |
txt = ++p; | |
} | |
- if(!strncmp("PONG", cmd, 4)) | |
+ if(strncmp("PONG", cmd, 4) == 0) | |
return; | |
- if(!strncmp("PRIVMSG", cmd, 7) && txt) { | |
+ if(strncmp("PRIVMSG", cmd, 7) == 0 && txt != NULL) { | |
if(!(p = strchr(cmd, ' '))) | |
return; | |
- *p = 0; | |
+ *p = '\0'; | |
chan = ++p; | |
- for(; *p && *p != ' '; p++); | |
- *p = 0; | |
- snprintf(bufout, sizeof bufout, "<%s> %s", usr, txt); | |
+ for(; *p != '\0' && *p != ' '; p++); | |
+ *p = '\0'; | |
+ (void) snprintf(bufout, sizeof bufout, "<%s> %s", usr, txt); | |
printl(chan, bufout); | |
} | |
- else if(!strncmp("PING", cmd, 4) && txt) { | |
- snprintf(bufout, sizeof bufout, "PONG %s\r\n", txt); | |
- write(srv, bufout, strlen(bufout)); | |
+ else if(strncmp("PING", cmd, 4) == 0 && txt != NULL) { | |
+ (void) snprintf(bufout, sizeof bufout, "PONG %s\r\n", txt); | |
+ (void) write(srv, bufout, strlen(bufout)); | |
} | |
else { | |
- snprintf(bufout, sizeof bufout, ">< %s: %s", cmd, txt ? txt : … | |
+ if (txt != NULL) | |
+ (void) snprintf(bufout, sizeof bufout, ">< %s: %s", cm… | |
+ else | |
+ (void) snprintf(bufout, sizeof bufout, ">< %s: ", cmd); | |
printl(usr, bufout); | |
- if(!strncmp("NICK", cmd, 4) && !strncmp(usr, nick, sizeof nick… | |
- strncpy(nick, txt, sizeof nick); | |
+ if(strncmp("NICK", cmd, 4) == 0 && strncmp(usr, nick, sizeof n… | |
+ txt != NULL) | |
+ (void) strncpy(nick, txt, sizeof nick); | |
} | |
} | |
int | |
readl(int fd, unsigned int len, char *buf) { | |
unsigned int i = 0; | |
- char c; | |
+ char c = '\0'; | |
do { | |
- if(read(fd, &c, sizeof(char)) != sizeof(char)) | |
+ if(read(fd, &c, sizeof(char)) != (ssize_t) sizeof(char)) | |
return -1; | |
buf[i++] = c; | |
} | |
while(c != '\n' && i < len); | |
- buf[i - 1] = 0; | |
+ buf[i - 1] = '\0'; | |
return 0; | |
} | |
int | |
-main(int argc, char *argv[]) { | |
+main(const int argc, char *const argv[]) { | |
int i; | |
struct timeval tv; | |
static struct addrinfo hints, *res, *r; | |
char ping[256]; | |
fd_set rd; | |
+ char *password = NULL; | |
strncpy(nick, getenv("USER"), sizeof nick); | |
for(i = 1; i < argc; i++) | |
- if(!strncmp(argv[i], "-h", 3)) { | |
+ if(strncmp(argv[i], "-h", 3) == 0) { | |
if(++i < argc) host = argv[i]; | |
} | |
- else if(!strncmp(argv[i], "-p", 3)) { | |
+ else if(strncmp(argv[i], "-p", 3) == 0) { | |
if(++i < argc) port = argv[i]; | |
} | |
- else if(!strncmp(argv[i], "-n", 3)) { | |
+ else if(strncmp(argv[i], "-n", 3) == 0) { | |
if(++i < argc) strncpy(nick, argv[i], sizeof nick); | |
} | |
- else if(!strncmp(argv[i], "-k", 3)) { | |
+ else if(strncmp(argv[i], "-k", 3) == 0) { | |
if(++i < argc) password = argv[i]; | |
} | |
- else if(!strncmp(argv[i], "-v", 3)) | |
- die("sic-"VERSION", © 2005-2009 sic engineers\n"); | |
+ else if(strncmp(argv[i], "-v", 3) == 0) | |
+ die("sic-%s, © 2005-2009 sic engineers\n", VERSION); | |
else | |
die("usage: sic [-h host] [-p port] [-n nick] [-k keyw… | |
@@ -193,23 +197,23 @@ main(int argc, char *argv[]) { | |
continue; | |
if(connect(srv, r->ai_addr, r->ai_addrlen) == 0) | |
break; | |
- close(srv); | |
+ (void) close(srv); | |
} | |
freeaddrinfo(res); | |
if(!r) | |
die("error: cannot connect to host '%s'\n", host); | |
/* login */ | |
- if(password) | |
- snprintf(bufout, sizeof bufout, | |
+ if (password) | |
+ (void) snprintf(bufout, sizeof bufout, | |
"PASS %s\r\nNICK %s\r\nUSER %s localhost %s :%s\r\n", | |
password, nick, nick, host, nick); | |
else | |
- snprintf(bufout, sizeof bufout, "NICK %s\r\nUSER %s localhost … | |
+ (void) snprintf(bufout, sizeof bufout, "NICK %s\r\nUSER %s loc… | |
nick, nick, host, nick); | |
- write(srv, bufout, strlen(bufout)); | |
- snprintf(ping, sizeof ping, "PING %s\r\n", host); | |
- channel[0] = 0; | |
+ (void) write(srv, bufout, strlen(bufout)); | |
+ (void) snprintf(ping, sizeof ping, "PING %s\r\n", host); | |
+ channel[0] = '\0'; | |
setbuf(stdout, NULL); /* unbuffered stdout */ | |
for(;;) { /* main loop */ | |
@@ -227,17 +231,17 @@ main(int argc, char *argv[]) { | |
else if(i == 0) { | |
if(time(NULL) - trespond >= PINGTIMEOUT) | |
die("error: sic shutting down: parse timeout\n… | |
- write(srv, ping, strlen(ping)); | |
+ (void) write(srv, ping, strlen(ping)); | |
continue; | |
} | |
- if(FD_ISSET(srv, &rd)) { | |
+ if(FD_ISSET(srv, &rd) != 0) { | |
if(readl(srv, sizeof bufin, bufin) == -1) | |
die("error: remote host closed connection\n"); | |
parsesrv(bufin); | |
trespond = time(NULL); | |
} | |
- if(FD_ISSET(0, &rd)) { | |
- if(readl(0, sizeof bufin, bufin) == -1) | |
+ if(FD_ISSET(0, &rd) != 0) { | |
+ if(readl(0, (unsigned int) sizeof bufin, bufin) == -1) | |
die("error: broken pipe\n"); | |
parsein(bufin); | |
} |