1 files changed, 171 insertions, 172 deletions

diff --git a/plugin_fifo.c b/plugin_fifo.c
index d181b97..9a49285 100644
--- a/plugin_fifo.c
+++ b/plugin_fifo.c
@@ -65,255 +65,254 @@
 #define string(s) str(s)
 
 struct FifoData {
-	char *path;
-	char *msg;
-	int msglen;
-	int input;
-	int created;
+    char *path;
+    char *msg;
+    int msglen;
+    int input;
+    int created;
 };
 
 static struct FifoData fd = {
-	.path		= NULL,
-	.msg		= NULL,
-	.msglen		= -1,
-	.input		= -1,
-	.created	= -1,
+    .path = NULL,
+    .msg = NULL,
+    .msglen = -1,
+    .input = -1,
+    .created = -1,
 };
 
 
 static int confFifo(struct FifoData *p)
 {
-	char *path, *disp, *sect, *fifosect = "Plugin:FIFO";
-	unsigned int pathlen;
+    char *path, *disp, *sect, *fifosect = "Plugin:FIFO";
+    unsigned int pathlen;
 
-	info("[FIFO] Reading config file '%s'", cfg_source());
+    info("[FIFO] Reading config file '%s'", cfg_source());
 
-	path = cfg_get(fifosect, "FifoPath", string(FIFO_DEFAULT_PATH));
+    path = cfg_get(fifosect, "FifoPath", string(FIFO_DEFAULT_PATH));
+    pathlen = strlen(path);
+    if (pathlen == 0) {
+	info("[FIFO] Invalid '%s.FifoPath' entry from '%s'. "
+	     "Assuming " string(FIFO_DEFAULT_PATH), fifosect, cfg_source());
+	free(path);
+	path = strdup(string(FIFO_DEFAULT_PATH));
 	pathlen = strlen(path);
-	if (pathlen == 0) {
-		info("[FIFO] Invalid '%s.FifoPath' entry from '%s'. "
-			"Assuming "string(FIFO_DEFAULT_PATH), fifosect, cfg_source());
-		free(path);
-		path = strdup(string(FIFO_DEFAULT_PATH));
-		pathlen = strlen(path);
-	}
-	if (pathlen > FIFO_MAXPATH) {
-		error("[FIFO] Error: Too long '%s.FifoPath' entry from '%s'. "
-			"(MAX "string(FIFO_MAXPATH)" chars)", fifosect, cfg_source());
-		free(path);
-		return (-1);
-	}
-	info("[FIFO] Read '%s.FifoPath' value is '%s'", fifosect, path);
+    }
+    if (pathlen > FIFO_MAXPATH) {
+	error("[FIFO] Error: Too long '%s.FifoPath' entry from '%s'. "
+	      "(MAX " string(FIFO_MAXPATH) " chars)", fifosect, cfg_source());
+	free(path);
+	return (-1);
+    }
+    info("[FIFO] Read '%s.FifoPath' value is '%s'", fifosect, path);
 
-	disp = cfg_get(NULL, "Display", NULL);
-	if (disp == NULL) {
-		error("[FIFO] Error: Could not get the Display name from '%s'", cfg_source());
-		free(path);
-		return (-1);
-	}
-	if ((sect = malloc(1+strlen("Display:")+strlen(disp))) == NULL) {
-		error("[FIFO] Error: Memory allocation failed");
-		free(disp);
-		free(path);
-		return (-1);
+    disp = cfg_get(NULL, "Display", NULL);
+    if (disp == NULL) {
+	error("[FIFO] Error: Could not get the Display name from '%s'", cfg_source());
+	free(path);
+	return (-1);
+    }
+    if ((sect = malloc(1 + strlen("Display:") + strlen(disp))) == NULL) {
+	error("[FIFO] Error: Memory allocation failed");
+	free(disp);
+	free(path);
+	return (-1);
+    }
+    strcpy(sect, "Display:");
+    strcat(sect, disp);
+    info("[FIFO] Using display '%s'.", disp);
+    free(disp);
+
+    disp = cfg_get(sect, "Size", NULL);
+    if (disp != NULL) {
+	info("[FIFO] Getting the buffer size from '%s.Size'", sect);
+	if (sscanf(disp, "%dx%*d", &p->msglen) != 1) {
+	    info("[FIFO] Could not determine the display size. " "Assuming " string(FIFO_DEFAULT_BUFSIZE));
+	    p->msglen = FIFO_DEFAULT_BUFSIZE;
 	}
-	strcpy(sect, "Display:");
-	strcat(sect, disp);
-	info("[FIFO] Using display '%s'.", disp);
 	free(disp);
-
-	disp = cfg_get(sect, "Size", NULL);
-	if (disp != NULL) {
-		info("[FIFO] Getting the buffer size from '%s.Size'", sect);
-		if (sscanf(disp, "%dx%*d", &p->msglen) != 1) {
-			info("[FIFO] Could not determine the display size. "
-				"Assuming "string(FIFO_DEFAULT_BUFSIZE));
-			p->msglen = FIFO_DEFAULT_BUFSIZE;
-		}
-		free(disp);
+    } else {
+	info("[FIFO] Could not find a '%s.Size' entry.", sect);
+	if (cfg_number(fifosect, "FifoBufSize", FIFO_DEFAULT_BUFSIZE, 0, -1, &p->msglen) > 0) {
+	    info("[FIFO] Getting the buffer size from '%s.FifoBufSize'", fifosect);
 	} else {
-		info("[FIFO] Could not find a '%s.Size' entry.", sect);
-		if (cfg_number(fifosect, "FifoBufSize", FIFO_DEFAULT_BUFSIZE, 0, -1, &p->msglen) > 0) {
-			info("[FIFO] Getting the buffer size from '%s.FifoBufSize'", fifosect);
-		} else {
-			info("[FIFO] Could not find a valid '%s.FifoBufSize' entry. "
-				"Assuming "string(FIFO_DEFAULT_BUFSIZE), fifosect);
-			p->msglen = FIFO_DEFAULT_BUFSIZE;
-		}
+	    info("[FIFO] Could not find a valid '%s.FifoBufSize' entry. "
+		 "Assuming " string(FIFO_DEFAULT_BUFSIZE), fifosect);
+	    p->msglen = FIFO_DEFAULT_BUFSIZE;
 	}
-	info("[FIFO] Read buffer size is '%d'", p->msglen);
-	free(sect);
+    }
+    info("[FIFO] Read buffer size is '%d'", p->msglen);
+    free(sect);
 
-	if ((p->msg = malloc(2+pathlen+p->msglen)) == NULL) {
-		error("[FIFO] Error: Memory allocation failed");
-		free(path);
-		return (-1);
-	}
-	p->msg[0] = 0;
-	p->path = p->msg+p->msglen+1;
-	strcpy(p->path, path);
+    if ((p->msg = malloc(2 + pathlen + p->msglen)) == NULL) {
+	error("[FIFO] Error: Memory allocation failed");
 	free(path);
-
-	return (0);
+	return (-1);
+    }
+    p->msg[0] = 0;
+    p->path = p->msg + p->msglen + 1;
+    strcpy(p->path, path);
+    free(path);
+
+    return (0);
 }
 
 
 static int makeFifo(struct FifoData *p)
 {
-	struct stat st;
-
-	if (stat(p->path, &st) < 0) {
-		if (errno == ENOENT) {
-			if (mkfifo(p->path, 0666) == 0) {
-				p->created = 1;
+    struct stat st;
 
-				return (0);
-			}
-			error("Couldn't create FIFO \"%s\": %s\n", p->path, strerror(errno));
+    if (stat(p->path, &st) < 0) {
+	if (errno == ENOENT) {
+	    if (mkfifo(p->path, 0666) == 0) {
+		p->created = 1;
 
-			return (-1);
-		}
-		error("Failed to stat FIFO \"%s\": %s\n", p->path, strerror(errno));
+		return (0);
+	    }
+	    error("Couldn't create FIFO \"%s\": %s\n", p->path, strerror(errno));
 
-		return (-1);
+	    return (-1);
 	}
+	error("Failed to stat FIFO \"%s\": %s\n", p->path, strerror(errno));
 
-	if (! S_ISFIFO(st.st_mode)) {
-		error("\"%s\" already exists, but is not a FIFO", p->path);
+	return (-1);
+    }
 
-		return (-1);
-	}
+    if (!S_ISFIFO(st.st_mode)) {
+	error("\"%s\" already exists, but is not a FIFO", p->path);
+
+	return (-1);
+    }
 
-	return (0);
+    return (0);
 }
 
 
 static void closeFifo(struct FifoData *p)
 {
-	struct stat st;
+    struct stat st;
 
-	if (p->input >= 0) {
-		close(p->input);
-		p->input = -1;
-	}
+    if (p->input >= 0) {
+	close(p->input);
+	p->input = -1;
+    }
 
-	if ((p->created >= 0) && (stat(p->path, &st) == 0)) {
-		debug("Removing FIFO \"%s\"\n", p->path);
-		if (unlink(p->path) < 0) {
-			error("Could not remove FIFO \"%s\": %s\n", p->path, strerror(errno));
+    if ((p->created >= 0) && (stat(p->path, &st) == 0)) {
+	debug("Removing FIFO \"%s\"\n", p->path);
+	if (unlink(p->path) < 0) {
+	    error("Could not remove FIFO \"%s\": %s\n", p->path, strerror(errno));
 
-			return;
-		}
-		p->created = -1;
-	}
-
-	if (p->msg) {
-		free(p->msg);
-		p->msg = p->path = NULL;
-		p->msglen = -1;
+	    return;
 	}
+	p->created = -1;
+    }
+
+    if (p->msg) {
+	free(p->msg);
+	p->msg = p->path = NULL;
+	p->msglen = -1;
+    }
 }
 
 
 static int openFifo(struct FifoData *p)
 {
-	if (p->created < 0) {
-		error("Error: FIFO \"%s\" does not exist: %s\n", p->path, strerror(errno));
+    if (p->created < 0) {
+	error("Error: FIFO \"%s\" does not exist: %s\n", p->path, strerror(errno));
 
-		return (-1);
-	}
+	return (-1);
+    }
 
-	if ((p->input = open(p->path, O_RDONLY | O_NONBLOCK)) < 0) {
-		error("Could not open FIFO \"%s\" for reading: %s\n", p->path, strerror(errno));
-		closeFifo(p);
+    if ((p->input = open(p->path, O_RDONLY | O_NONBLOCK)) < 0) {
+	error("Could not open FIFO \"%s\" for reading: %s\n", p->path, strerror(errno));
+	closeFifo(p);
 
-		return (-1);
-	}
+	return (-1);
+    }
 
-	return (0);
+    return (0);
 }
 
 
 static int startFifo(struct FifoData *p)
 {
-	int res;
+    int res;
 
-	if ((res = confFifo(p)))
-		return (res);
+    if ((res = confFifo(p)))
+	return (res);
 
-	if ((res = makeFifo(p)))
-		return (res);
+    if ((res = makeFifo(p)))
+	return (res);
 
-	if ((res = openFifo(p)))
-		return (res);
+    if ((res = openFifo(p)))
+	return (res);
 
-	/* ignore broken pipe */
-	signal(SIGPIPE, SIG_IGN);
+    /* ignore broken pipe */
+    signal(SIGPIPE, SIG_IGN);
 
-	return (res);
+    return (res);
 }
 
 
 static void readFifo(struct FifoData *p)
 {
-	int bytes;
-
-	bytes = read(p->input, p->msg, p->msglen);
-	if (bytes == 0)
-		return;
-
-	if (bytes > 0) {
-		p->msg[bytes] = 0;
-		while (bytes--)
-			if (p->msg[bytes] < 0x20)
-				p->msg[bytes] = ' ';
-	} else {
-		error("[FIFO] Error %i: %s", errno, strerror(errno));
-		strcpy(p->msg, "ERROR");
-	}
+    int bytes;
+
+    bytes = read(p->input, p->msg, p->msglen);
+    if (bytes == 0)
+	return;
+
+    if (bytes > 0) {
+	p->msg[bytes] = 0;
+	while (bytes--)
+	    if (p->msg[bytes] < 0x20)
+		p->msg[bytes] = ' ';
+    } else {
+	error("[FIFO] Error %i: %s", errno, strerror(errno));
+	strcpy(p->msg, "ERROR");
+    }
 }
 
 
-static void runFifo(RESULT *result)
+static void runFifo(RESULT * result)
 {
-	static int state = 1;
-	struct FifoData *p = &fd;
-	char *s;
-
-	switch (state) {
-	case 1:
-		/* Called for the first time. Set up everything. */
-		state = startFifo(p);
-		s = "";
-		break;
-
-	case 0:
-		/* Init went fine. Now run in normal operation mode. */
-		readFifo(p);
-		s = p->msg;
-		break;
-
-	default:
-		/* There was an error somewhere in init. Do nothing. */
-		s = "ERROR";
-		break;
-	}
-
-	/* Store the result */
-	SetResult(&result, R_STRING, s);
+    static int state = 1;
+    struct FifoData *p = &fd;
+    char *s;
+
+    switch (state) {
+    case 1:
+	/* Called for the first time. Set up everything. */
+	state = startFifo(p);
+	s = "";
+	break;
+
+    case 0:
+	/* Init went fine. Now run in normal operation mode. */
+	readFifo(p);
+	s = p->msg;
+	break;
+
+    default:
+	/* There was an error somewhere in init. Do nothing. */
+	s = "ERROR";
+	break;
+    }
+
+    /* Store the result */
+    SetResult(&result, R_STRING, s);
 }
 
 
 /* plugin initialization */
 int plugin_init_fifo(void)
 {
-	AddFunction("fifo::read", 0, runFifo);
+    AddFunction("fifo::read", 0, runFifo);
 
-	return (0);
+    return (0);
 }
 
 
 void plugin_exit_fifo(void)
 {
-	closeFifo(&fd);
+    closeFifo(&fd);
 }