From 3c4915845fd50fe5c5b1591f505df3cf60473f51 Mon Sep 17 00:00:00 2001 From: michael Date: Sun, 14 Feb 2010 02:47:49 +0000 Subject: indent.sh run git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1112 3ae390bd-cb1e-0410-b409-cd5a39f66f1f --- plugin_fifo.c | 343 +++++++++++++++++++++++++++++----------------------------- 1 file 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); } -- cgit v1.2.3