/*
+ * vim:ts=8:expandtab
+ *
* i3status – Generates a status line for dzen2 or wmii
*
*
#define BAR "^fg(#333333)^p(5;-2)^ro(2)^p()^fg()^p(5)"
struct battery {
- const char *path;
- SIMPLEQ_ENTRY(battery) batteries;
+ const char *path;
+ SIMPLEQ_ENTRY(battery) batteries;
};
SIMPLEQ_HEAD(battery_head, battery) batteries;
*
*/
static char *concat(const char *str1, const char *str2) {
- static char concatbuf[32];
- (void)snprintf(concatbuf, sizeof(concatbuf), "%s%s", str1, str2);
- return concatbuf;
+ static char concatbuf[32];
+ (void)snprintf(concatbuf, sizeof(concatbuf), "%s%s", str1, str2);
+ return concatbuf;
}
/*
*
*/
static char *color(const char *colorstr) {
- static char colorbuf[32];
+ static char colorbuf[32];
#ifdef DZEN
- (void)snprintf(colorbuf, sizeof(colorbuf), "^fg(%s)", colorstr);
+ (void)snprintf(colorbuf, sizeof(colorbuf), "^fg(%s)", colorstr);
#else
- (void)snprintf(colorbuf, sizeof(colorbuf), "%s %s ", colorstr, wmii_normcolors);
+ (void)snprintf(colorbuf, sizeof(colorbuf), "%s %s ", colorstr, wmii_normcolors);
#endif
- return colorbuf;
+ return colorbuf;
}
/*
*/
static void cleanup_rbar_dir() {
#ifdef DZEN
- return;
+ return;
#endif
- struct dirent *ent;
- DIR *dir;
- char pathbuf[strlen(wmii_path)+256+1];
-
- if ((dir = opendir(wmii_path)) == NULL)
- exit(EXIT_FAILURE);
-
- while ((ent = readdir(dir)) != NULL) {
- if (ent->d_type == DT_REG) {
- (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, ent->d_name);
- if (unlink(pathbuf) == -1)
- exit(EXIT_FAILURE);
- }
- }
-
- (void)closedir(dir);
+ struct dirent *ent;
+ DIR *dir;
+ char pathbuf[strlen(wmii_path)+256+1];
+
+ if ((dir = opendir(wmii_path)) == NULL)
+ exit(EXIT_FAILURE);
+
+ while ((ent = readdir(dir)) != NULL) {
+ if (ent->d_type == DT_REG) {
+ (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, ent->d_name);
+ if (unlink(pathbuf) == -1)
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ (void)closedir(dir);
}
/*
*/
static void create_file(const char *name) {
#ifdef DZEN
- return;
+ return;
#endif
- char pathbuf[strlen(wmii_path)+256+1];
- int fd;
- int flags = O_CREAT | O_WRONLY;
- struct stat statbuf;
-
- (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
-
- /* Overwrite file's contents if it exists */
- if (stat(pathbuf, &statbuf) >= 0)
- flags |= O_TRUNC;
-
- if ((fd = open(pathbuf, flags, S_IRUSR | S_IWUSR)) < 0)
- exit(EXIT_FAILURE);
- if (use_colors) {
- char *tmp = color("#888888");
- if (write(fd, tmp, strlen(tmp)) != (ssize_t)strlen(tmp))
- exit(EXIT_FAILURE);
- }
- (void)close(fd);
+ char pathbuf[strlen(wmii_path)+256+1];
+ int fd;
+ int flags = O_CREAT | O_WRONLY;
+ struct stat statbuf;
+
+ (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
+
+ /* Overwrite file's contents if it exists */
+ if (stat(pathbuf, &statbuf) >= 0)
+ flags |= O_TRUNC;
+
+ if ((fd = open(pathbuf, flags, S_IRUSR | S_IWUSR)) < 0)
+ exit(EXIT_FAILURE);
+ if (use_colors) {
+ char *tmp = color("#888888");
+ if (write(fd, tmp, strlen(tmp)) != (ssize_t)strlen(tmp))
+ exit(EXIT_FAILURE);
+ }
+ (void)close(fd);
}
/*
*
*/
static void setup(void) {
- unsigned int i;
- char pathbuf[512];
+ unsigned int i;
+ char pathbuf[512];
#ifndef DZEN
- struct stat statbuf;
- /* Wait until wmii_path/rbar exists */
- for (; stat(wmii_path, &statbuf) < 0; sleep(interval));
+ struct stat statbuf;
+ /* Wait until wmii_path/rbar exists */
+ for (; stat(wmii_path, &statbuf) < 0; sleep(interval));
#endif
- cleanup_rbar_dir();
- if (wlan_interface)
- create_file(concat(order[ORDER_WLAN],"wlan"));
- if (eth_interface)
- create_file(concat(order[ORDER_ETH],"eth"));
- if (battery_path)
- create_file(concat(order[ORDER_BATTERY],"battery"));
- create_file(concat(order[ORDER_LOAD],"load"));
- if (time_format)
- create_file(concat(order[ORDER_TIME],"time"));
- for (i = 0; i < num_run_watches; i += 2) {
- snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
- create_file(pathbuf);
- }
+ cleanup_rbar_dir();
+ if (wlan_interface)
+ create_file(concat(order[ORDER_WLAN],"wlan"));
+ if (eth_interface)
+ create_file(concat(order[ORDER_ETH],"eth"));
+ if (battery_path)
+ create_file(concat(order[ORDER_BATTERY],"battery"));
+ create_file(concat(order[ORDER_LOAD],"load"));
+ if (time_format)
+ create_file(concat(order[ORDER_TIME],"time"));
+ for (i = 0; i < num_run_watches; i += 2) {
+ snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
+ create_file(pathbuf);
+ }
}
/*
*/
static void write_to_statusbar(const char *name, const char *message, bool final_entry) {
#ifdef DZEN
- if (final_entry) {
- (void)printf("%s^p(6)\n", message);
- fflush(stdout);
- return;
- }
- (void)printf("%s" BAR, message);
- return;
+ if (final_entry) {
+ (void)printf("%s^p(6)\n", message);
+ fflush(stdout);
+ return;
+ }
+ (void)printf("%s" BAR, message);
+ return;
#endif
- char pathbuf[strlen(wmii_path)+256+1];
- int fd;
-
- (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
- if ((fd = open(pathbuf, O_RDWR)) == -1) {
- /* Try to re-setup stuff and just continue */
- setup();
- return;
- }
- if (write(fd, message, strlen(message)) != (ssize_t)strlen(message))
- exit(EXIT_FAILURE);
- (void)close(fd);
+ char pathbuf[strlen(wmii_path)+256+1];
+ int fd;
+
+ (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
+ if ((fd = open(pathbuf, O_RDWR)) == -1) {
+ /* Try to re-setup stuff and just continue */
+ setup();
+ return;
+ }
+ if (write(fd, message, strlen(message)) != (ssize_t)strlen(message))
+ exit(EXIT_FAILURE);
+ (void)close(fd);
}
/*
*
*/
static void write_error_to_statusbar(const char *message) {
- cleanup_rbar_dir();
- create_file("error");
- write_to_statusbar("error", message, true);
+ cleanup_rbar_dir();
+ create_file("error");
+ write_to_statusbar("error", message, true);
}
/*
*
*/
void die(const char *fmt, ...) {
- if (wmii_path != NULL) {
- char buffer[512];
- va_list ap;
- va_start(ap, fmt);
- (void)vsnprintf(buffer, sizeof(buffer), fmt, ap);
- va_end(ap);
-
- write_error_to_statusbar(buffer);
- }
- exit(EXIT_FAILURE);
+ if (wmii_path != NULL) {
+ char buffer[512];
+ va_list ap;
+ va_start(ap, fmt);
+ (void)vsnprintf(buffer, sizeof(buffer), fmt, ap);
+ va_end(ap);
+
+ write_error_to_statusbar(buffer);
+ }
+ exit(EXIT_FAILURE);
}
/*
*
*/
static char *skip_character(char *input, char character, int amount) {
- char *walk;
- size_t len = strlen(input);
- int blanks = 0;
+ char *walk;
+ size_t len = strlen(input);
+ int blanks = 0;
- for (walk = input; ((size_t)(walk - input) < len) && (blanks < amount); walk++)
- if (*walk == character)
- blanks++;
+ for (walk = input; ((size_t)(walk - input) < len) && (blanks < amount); walk++)
+ if (*walk == character)
+ blanks++;
- return (walk == input ? walk : walk-1);
+ return (walk == input ? walk : walk-1);
}
/*
*
*/
static char *get_battery_info(const char *path) {
- char buf[1024];
- static char part[512];
- char *walk, *last;
- int fd;
- int full_design = -1,
- remaining = -1,
- present_rate = -1;
- charging_status_t status = CS_DISCHARGING;
-
- if ((fd = open(path, O_RDONLY)) == -1)
- return "No battery found";
-
- memset(part, 0, sizeof(part));
- (void)read(fd, buf, sizeof(buf));
- for (walk = buf, last = buf; (walk-buf) < 1024; walk++)
- if (*walk == '=') {
- if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL_DESIGN") ||
- BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL_DESIGN"))
- full_design = atoi(walk+1);
- else if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_NOW") ||
- BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW"))
- remaining = atoi(walk+1);
- else if (BEGINS_WITH(last, "POWER_SUPPLY_CURRENT_NOW"))
- present_rate = atoi(walk+1);
- else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Charging"))
- status = CS_CHARGING;
- else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Full"))
- status = CS_FULL;
- } else if (*walk == '\n')
- last = walk+1;
- (void)close(fd);
-
- if ((full_design == 1) || (remaining == -1))
- return part;
-
- if (present_rate > 0) {
- float remaining_time;
- int seconds, hours, minutes;
- if (status == CS_CHARGING)
- remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
- else if (status == CS_DISCHARGING)
- remaining_time = ((float)remaining / (float)present_rate);
- else remaining_time = 0;
-
- seconds = (int)(remaining_time * 3600.0);
- hours = seconds / 3600;
- seconds -= (hours * 3600);
- minutes = seconds / 60;
- seconds -= (minutes * 60);
-
- (void)snprintf(part, sizeof(part), "%s %.02f%% %02d:%02d:%02d",
- (status == CS_CHARGING ? "CHR" :
- (status == CS_DISCHARGING ? "BAT" : "FULL")),
- (((float)remaining / (float)full_design) * 100),
- hours, minutes, seconds);
- } else {
- (void)snprintf(part, sizeof(part), "%s %.02f%%",
- (status == CS_CHARGING ? "CHR" :
- (status == CS_DISCHARGING ? "BAT" : "FULL")),
- (((float)remaining / (float)full_design) * 100));
- }
- return part;
+ char buf[1024];
+ static char part[512];
+ char *walk, *last;
+ int fd;
+ int full_design = -1,
+ remaining = -1,
+ present_rate = -1;
+ charging_status_t status = CS_DISCHARGING;
+
+ if ((fd = open(path, O_RDONLY)) == -1)
+ return "No battery found";
+
+ memset(part, 0, sizeof(part));
+ (void)read(fd, buf, sizeof(buf));
+ for (walk = buf, last = buf; (walk-buf) < 1024; walk++)
+ if (*walk == '=') {
+ if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL_DESIGN") ||
+ BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL_DESIGN"))
+ full_design = atoi(walk+1);
+ else if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_NOW") ||
+ BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW"))
+ remaining = atoi(walk+1);
+ else if (BEGINS_WITH(last, "POWER_SUPPLY_CURRENT_NOW"))
+ present_rate = atoi(walk+1);
+ else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Charging"))
+ status = CS_CHARGING;
+ else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Full"))
+ status = CS_FULL;
+ } else if (*walk == '\n')
+ last = walk+1;
+ (void)close(fd);
+
+ if ((full_design == 1) || (remaining == -1))
+ return part;
+
+ if (present_rate > 0) {
+ float remaining_time;
+ int seconds, hours, minutes;
+ if (status == CS_CHARGING)
+ remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
+ else if (status == CS_DISCHARGING)
+ remaining_time = ((float)remaining / (float)present_rate);
+ else remaining_time = 0;
+
+ seconds = (int)(remaining_time * 3600.0);
+ hours = seconds / 3600;
+ seconds -= (hours * 3600);
+ minutes = seconds / 60;
+ seconds -= (minutes * 60);
+
+ (void)snprintf(part, sizeof(part), "%s %.02f%% %02d:%02d:%02d",
+ (status == CS_CHARGING ? "CHR" :
+ (status == CS_DISCHARGING ? "BAT" : "FULL")),
+ (((float)remaining / (float)full_design) * 100),
+ hours, minutes, seconds);
+ } else {
+ (void)snprintf(part, sizeof(part), "%s %.02f%%",
+ (status == CS_CHARGING ? "CHR" :
+ (status == CS_DISCHARGING ? "BAT" : "FULL")),
+ (((float)remaining / (float)full_design) * 100));
+ }
+ return part;
}
/*
*
*/
static const char *get_ip_address(const char *interface) {
- static char part[512];
- struct ifreq ifr;
- struct sockaddr_in addr;
- socklen_t len = sizeof(struct sockaddr_in);
- memset(part, 0, sizeof(part));
-
- /* First check if the interface is running */
- (void)strcpy(ifr.ifr_name, interface);
- if (ioctl(general_socket, SIOCGIFFLAGS, &ifr) < 0 ||
- !(ifr.ifr_flags & IFF_RUNNING))
- return NULL;
-
- /* Interface is up, get the IP address */
- (void)strcpy(ifr.ifr_name, interface);
- ifr.ifr_addr.sa_family = AF_INET;
- if (ioctl(general_socket, SIOCGIFADDR, &ifr) < 0)
- return "no IP";
-
- memcpy(&addr, &ifr.ifr_addr, len);
- (void)inet_ntop(AF_INET, &addr.sin_addr.s_addr, part, len);
- if (strlen(part) == 0)
- (void)snprintf(part, sizeof(part), "no IP");
-
- return part;
+ static char part[512];
+ struct ifreq ifr;
+ struct sockaddr_in addr;
+ socklen_t len = sizeof(struct sockaddr_in);
+ memset(part, 0, sizeof(part));
+
+ /* First check if the interface is running */
+ (void)strcpy(ifr.ifr_name, interface);
+ if (ioctl(general_socket, SIOCGIFFLAGS, &ifr) < 0 ||
+ !(ifr.ifr_flags & IFF_RUNNING))
+ return NULL;
+
+ /* Interface is up, get the IP address */
+ (void)strcpy(ifr.ifr_name, interface);
+ ifr.ifr_addr.sa_family = AF_INET;
+ if (ioctl(general_socket, SIOCGIFADDR, &ifr) < 0)
+ return "no IP";
+
+ memcpy(&addr, &ifr.ifr_addr, len);
+ (void)inet_ntop(AF_INET, &addr.sin_addr.s_addr, part, len);
+ if (strlen(part) == 0)
+ (void)snprintf(part, sizeof(part), "no IP");
+
+ return part;
}
/*
*
*/
static char *get_wireless_info() {
- char buf[1024];
- static char part[512];
- char *interfaces;
- int fd;
- memset(buf, 0, sizeof(buf));
- memset(part, 0, sizeof(part));
-
- if ((fd = open("/proc/net/wireless", O_RDONLY)) == -1)
- die("Could not open /proc/net/wireless\n");
- (void)read(fd, buf, sizeof(buf));
- (void)close(fd);
-
- interfaces = skip_character(buf, '\n', 1) + 1;
- while ((interfaces = skip_character(interfaces, '\n', 1)+1) < buf+strlen(buf)) {
- while (isspace((int)*interfaces))
- interfaces++;
- if (!BEGINS_WITH(interfaces, wlan_interface))
- continue;
- int quality;
- if (sscanf(interfaces, "%*[^:]: 0000 %d", &quality) != 1)
- continue;
- if ((quality == UCHAR_MAX) || (quality == 0)) {
- if (use_colors)
- (void)snprintf(part, sizeof(part), "%sW: down", color("#FF0000"));
- else (void)snprintf(part, sizeof(part), "W: down");
- } else (void)snprintf(part, sizeof(part), "%sW: (%03d%%) %s",
- color("#00FF00"), quality, get_ip_address(wlan_interface));
- return part;
- }
-
- return part;
+ char buf[1024];
+ static char part[512];
+ char *interfaces;
+ int fd;
+ memset(buf, 0, sizeof(buf));
+ memset(part, 0, sizeof(part));
+
+ if ((fd = open("/proc/net/wireless", O_RDONLY)) == -1)
+ die("Could not open /proc/net/wireless\n");
+ (void)read(fd, buf, sizeof(buf));
+ (void)close(fd);
+
+ interfaces = skip_character(buf, '\n', 1) + 1;
+ while ((interfaces = skip_character(interfaces, '\n', 1)+1) < buf+strlen(buf)) {
+ while (isspace((int)*interfaces))
+ interfaces++;
+ if (!BEGINS_WITH(interfaces, wlan_interface))
+ continue;
+ int quality;
+ if (sscanf(interfaces, "%*[^:]: 0000 %d", &quality) != 1)
+ continue;
+ if ((quality == UCHAR_MAX) || (quality == 0)) {
+ if (use_colors)
+ (void)snprintf(part, sizeof(part), "%sW: down", color("#FF0000"));
+ else (void)snprintf(part, sizeof(part), "W: down");
+ } else (void)snprintf(part, sizeof(part), "%sW: (%03d%%) %s",
+ color("#00FF00"), quality, get_ip_address(wlan_interface));
+ return part;
+ }
+
+ return part;
}
/*
*
*/
static char *get_eth_info() {
- static char part[512];
- const char *ip_address = get_ip_address(eth_interface);
- int ethspeed = 0;
+ static char part[512];
+ const char *ip_address = get_ip_address(eth_interface);
+ int ethspeed = 0;
- if (get_ethspeed) {
+ if (get_ethspeed) {
#ifdef LINUX
- /* This code path requires root privileges */
- struct ifreq ifr;
- struct ethtool_cmd ecmd;
-
- ecmd.cmd = ETHTOOL_GSET;
- (void)memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_data = (caddr_t)&ecmd;
- (void)strcpy(ifr.ifr_name, eth_interface);
- if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0)
- ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed);
- else get_ethspeed = false;
+ /* This code path requires root privileges */
+ struct ifreq ifr;
+ struct ethtool_cmd ecmd;
+
+ ecmd.cmd = ETHTOOL_GSET;
+ (void)memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_data = (caddr_t)&ecmd;
+ (void)strcpy(ifr.ifr_name, eth_interface);
+ if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0)
+ ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed);
+ else get_ethspeed = false;
#endif
- }
+ }
- if (ip_address == NULL)
- (void)snprintf(part, sizeof(part), "E: down");
- else {
- if (get_ethspeed)
- (void)snprintf(part, sizeof(part), "E: %s (%d Mbit/s)", ip_address, ethspeed);
- else (void)snprintf(part, sizeof(part), "E: %s", ip_address);
- }
+ if (ip_address == NULL)
+ (void)snprintf(part, sizeof(part), "E: down");
+ else {
+ if (get_ethspeed)
+ (void)snprintf(part, sizeof(part), "E: %s (%d Mbit/s)", ip_address, ethspeed);
+ else (void)snprintf(part, sizeof(part), "E: %s", ip_address);
+ }
- return part;
+ return part;
}
/*
*
*/
static bool process_runs(const char *path) {
- char pidbuf[16];
- static glob_t globbuf;
- int fd;
- memset(pidbuf, 0, sizeof(pidbuf));
-
- if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
- die("glob() failed\n");
- fd = open((globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path), O_RDONLY);
- globfree(&globbuf);
- if (fd < 0)
- return false;
- (void)read(fd, pidbuf, sizeof(pidbuf));
- (void)close(fd);
+ char pidbuf[16];
+ static glob_t globbuf;
+ int fd;
+ memset(pidbuf, 0, sizeof(pidbuf));
+
+ if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
+ die("glob() failed\n");
+ fd = open((globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path), O_RDONLY);
+ globfree(&globbuf);
+ if (fd < 0)
+ return false;
+ (void)read(fd, pidbuf, sizeof(pidbuf));
+ (void)close(fd);
#ifdef LINUX
- struct stat statbuf;
- char procbuf[512];
- (void)snprintf(procbuf, sizeof(procbuf), "/proc/%ld", strtol(pidbuf, NULL, 10));
- return (stat(procbuf, &statbuf) >= 0);
+ struct stat statbuf;
+ char procbuf[512];
+ (void)snprintf(procbuf, sizeof(procbuf), "/proc/%ld", strtol(pidbuf, NULL, 10));
+ return (stat(procbuf, &statbuf) >= 0);
#else
- /* TODO: correctly check for NetBSD. Evaluate if this runs on OpenBSD/FreeBSD */
- struct kinfo_proc info;
- size_t length = sizeof(struct kinfo_proc);
- int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, strtol(pidbuf, NULL, 10) };
- if (sysctl(mib, 4, &info, &length, NULL, 0) < 0)
- return false;
- return (length != 0);
+ /* TODO: correctly check for NetBSD. Evaluate if this runs on OpenBSD/FreeBSD */
+ struct kinfo_proc info;
+ size_t length = sizeof(struct kinfo_proc);
+ int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, strtol(pidbuf, NULL, 10) };
+ if (sysctl(mib, 4, &info, &length, NULL, 0) < 0)
+ return false;
+ return (length != 0);
#endif
}
*
*/
static int load_configuration(const char *configfile) {
- #define OPT(x) else if (strcasecmp(dest_name, x) == 0)
-
- /* check if the file exists */
- struct stat buf;
- if (stat(configfile, &buf) < 0)
- return -1;
-
- int result = 0;
- FILE *handle = fopen(configfile, "r");
- if (handle == NULL)
- die("Could not open configfile\n");
- char dest_name[512], dest_value[512], whole_buffer[1026];
-
- while (!feof(handle)) {
- char *ret;
- if ((ret = fgets(whole_buffer, 1024, handle)) == whole_buffer) {
- /* sscanf implicitly strips whitespace */
- if (sscanf(whole_buffer, "%s %[^\n]", dest_name, dest_value) < 1)
- continue;
- } else if (ret != NULL)
- die("Could not read line in configuration file\n");
-
- /* skip comments and empty lines */
- if (dest_name[0] == '#' || strlen(dest_name) < 3)
- continue;
-
- OPT("wlan")
- wlan_interface = strdup(dest_value);
- OPT("eth")
- eth_interface = strdup(dest_value);
- OPT("time_format")
- time_format = strdup(dest_value);
- OPT("battery_path") {
- struct battery *new = calloc(1, sizeof(struct battery));
- if (new == NULL)
- die("Could not allocate memory\n");
- new->path = strdup(dest_value);
- SIMPLEQ_INSERT_TAIL(&batteries, new, batteries);
- } OPT("color")
- use_colors = true;
- OPT("get_ethspeed")
- get_ethspeed = true;
- OPT("normcolors")
- wmii_normcolors = strdup(dest_value);
- OPT("interval")
- interval = atoi(dest_value);
- OPT("wmii_path")
- {
+ #define OPT(x) else if (strcasecmp(dest_name, x) == 0)
+
+ /* check if the file exists */
+ struct stat buf;
+ if (stat(configfile, &buf) < 0)
+ return -1;
+
+ int result = 0;
+ FILE *handle = fopen(configfile, "r");
+ if (handle == NULL)
+ die("Could not open configfile\n");
+ char dest_name[512], dest_value[512], whole_buffer[1026];
+
+ while (!feof(handle)) {
+ char *ret;
+ if ((ret = fgets(whole_buffer, 1024, handle)) == whole_buffer) {
+ /* sscanf implicitly strips whitespace */
+ if (sscanf(whole_buffer, "%s %[^\n]", dest_name, dest_value) < 1)
+ continue;
+ } else if (ret != NULL)
+ die("Could not read line in configuration file\n");
+
+ /* skip comments and empty lines */
+ if (dest_name[0] == '#' || strlen(dest_name) < 3)
+ continue;
+
+ OPT("wlan")
+ wlan_interface = strdup(dest_value);
+ OPT("eth")
+ eth_interface = strdup(dest_value);
+ OPT("time_format")
+ time_format = strdup(dest_value);
+ OPT("battery_path") {
+ struct battery *new = calloc(1, sizeof(struct battery));
+ if (new == NULL)
+ die("Could not allocate memory\n");
+ new->path = strdup(dest_value);
+ SIMPLEQ_INSERT_TAIL(&batteries, new, batteries);
+ } OPT("color")
+ use_colors = true;
+ OPT("get_ethspeed")
+ get_ethspeed = true;
+ OPT("normcolors")
+ wmii_normcolors = strdup(dest_value);
+ OPT("interval")
+ interval = atoi(dest_value);
+ OPT("wmii_path")
+ {
#ifndef DZEN
- static glob_t globbuf;
- struct stat stbuf;
- if (glob(dest_value, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
- die("glob() failed\n");
- wmii_path = strdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : dest_value);
- globfree(&globbuf);
-
- if ((stat(wmii_path, &stbuf)) == -1) {
- fprintf(stderr, "Warning: wmii_path contains an invalid path\n");
- free(wmii_path);
- wmii_path = strdup(dest_value);
- }
- if (wmii_path[strlen(wmii_path)-1] != '/')
- die("wmii_path is not terminated by /\n");
+ static glob_t globbuf;
+ struct stat stbuf;
+ if (glob(dest_value, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
+ die("glob() failed\n");
+ wmii_path = strdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : dest_value);
+ globfree(&globbuf);
+
+ if ((stat(wmii_path, &stbuf)) == -1) {
+ fprintf(stderr, "Warning: wmii_path contains an invalid path\n");
+ free(wmii_path);
+ wmii_path = strdup(dest_value);
+ }
+ if (wmii_path[strlen(wmii_path)-1] != '/')
+ die("wmii_path is not terminated by /\n");
#endif
- }
- OPT("run_watch")
- {
- char *name = strdup(dest_value);
- char *path = name;
- while (*path != ' ')
- path++;
- *(path++) = '\0';
- num_run_watches += 2;
- run_watches = realloc(run_watches, sizeof(char*) * num_run_watches);
- run_watches[num_run_watches-2] = name;
- run_watches[num_run_watches-1] = path;
- }
- OPT("order")
- {
- #define SET_ORDER(opt, idx) { if (strcasecmp(token, opt) == 0) sprintf(order[idx], "%d", c++); }
- char *walk, *token;
- int c = 0;
- walk = token = dest_value;
- while (*walk != '\0') {
- while ((*walk != ',') && (*walk != '\0'))
- walk++;
- *(walk++) = '\0';
- SET_ORDER("run", ORDER_RUN);
- SET_ORDER("wlan", ORDER_WLAN);
- SET_ORDER("eth", ORDER_ETH);
- SET_ORDER("battery", ORDER_BATTERY);
- SET_ORDER("load", ORDER_LOAD);
- SET_ORDER("time", ORDER_TIME);
- token = walk;
- while (isspace((int)(*token)))
- token++;
- }
- }
- else
- {
- result = -2;
- die("Unknown configfile option: %s\n", dest_name);
- }
- }
- fclose(handle);
+ }
+ OPT("run_watch")
+ {
+ char *name = strdup(dest_value);
+ char *path = name;
+ while (*path != ' ')
+ path++;
+ *(path++) = '\0';
+ num_run_watches += 2;
+ run_watches = realloc(run_watches, sizeof(char*) * num_run_watches);
+ run_watches[num_run_watches-2] = name;
+ run_watches[num_run_watches-1] = path;
+ }
+ OPT("order")
+ {
+ #define SET_ORDER(opt, idx) { if (strcasecmp(token, opt) == 0) sprintf(order[idx], "%d", c++); }
+ char *walk, *token;
+ int c = 0;
+ walk = token = dest_value;
+ while (*walk != '\0') {
+ while ((*walk != ',') && (*walk != '\0'))
+ walk++;
+ *(walk++) = '\0';
+ SET_ORDER("run", ORDER_RUN);
+ SET_ORDER("wlan", ORDER_WLAN);
+ SET_ORDER("eth", ORDER_ETH);
+ SET_ORDER("battery", ORDER_BATTERY);
+ SET_ORDER("load", ORDER_LOAD);
+ SET_ORDER("time", ORDER_TIME);
+ token = walk;
+ while (isspace((int)(*token)))
+ token++;
+ }
+ }
+ else
+ {
+ result = -2;
+ die("Unknown configfile option: %s\n", dest_name);
+ }
+ }
+ fclose(handle);
#ifndef DZEN
- if (wmii_path == NULL)
- exit(EXIT_FAILURE);
+ if (wmii_path == NULL)
+ exit(EXIT_FAILURE);
#endif
- return result;
+ return result;
}
int main(int argc, char *argv[]) {
- char part[512],
- pathbuf[512];
- unsigned int i;
-
- char *configfile = PREFIX "/etc/i3status.conf";
- int o, option_index = 0;
- struct option long_options[] = {
- {"config", required_argument, 0, 'c'},
- {"help", no_argument, 0, 'h'},
- {0, 0, 0, 0}
- };
-
- SIMPLEQ_INIT(&batteries);
-
- while ((o = getopt_long(argc, argv, "c:h", long_options, &option_index)) != -1)
- if ((char)o == 'c')
- configfile = optarg;
- else if ((char)o == 'h') {
- printf("i3status (c) 2008-2009 Michael Stapelberg\n"
- "Syntax: %s [-c <configfile>]\n", argv[0]);
- return 0;
- }
-
- if (load_configuration(configfile) < 0)
- return EXIT_FAILURE;
-
- setup();
-
- if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
- die("Could not create socket\n");
-
- while (1) {
- for (i = 0; i < num_run_watches; i += 2) {
- bool running = process_runs(run_watches[i+1]);
- if (use_colors)
- snprintf(part, sizeof(part), "%s%s: %s",
- (running ? color("#00FF00") : color("#FF0000")),
- run_watches[i],
- (running ? "yes" : "no"));
- else snprintf(part, sizeof(part), "%s: %s", run_watches[i], (running ? "yes" : "no"));
- snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
- write_to_statusbar(pathbuf, part, false);
- }
-
- if (wlan_interface)
- write_to_statusbar(concat(order[ORDER_WLAN], "wlan"), get_wireless_info(), false);
- if (eth_interface)
- write_to_statusbar(concat(order[ORDER_ETH], "eth"), get_eth_info(), false);
- struct battery *current_battery;
- SIMPLEQ_FOREACH(current_battery, &batteries, batteries) {
- write_to_statusbar(concat(order[ORDER_BATTERY], "battery"), get_battery_info(current_battery->path), false);
- }
-
- /* Get load */
+ char part[512],
+ pathbuf[512];
+ unsigned int i;
+
+ char *configfile = PREFIX "/etc/i3status.conf";
+ int o, option_index = 0;
+ struct option long_options[] = {
+ {"config", required_argument, 0, 'c'},
+ {"help", no_argument, 0, 'h'},
+ {0, 0, 0, 0}
+ };
+
+ SIMPLEQ_INIT(&batteries);
+
+ while ((o = getopt_long(argc, argv, "c:h", long_options, &option_index)) != -1)
+ if ((char)o == 'c')
+ configfile = optarg;
+ else if ((char)o == 'h') {
+ printf("i3status (c) 2008-2009 Michael Stapelberg\n"
+ "Syntax: %s [-c <configfile>]\n", argv[0]);
+ return 0;
+ }
+
+ if (load_configuration(configfile) < 0)
+ return EXIT_FAILURE;
+
+ setup();
+
+ if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
+ die("Could not create socket\n");
+
+ while (1) {
+ for (i = 0; i < num_run_watches; i += 2) {
+ bool running = process_runs(run_watches[i+1]);
+ if (use_colors)
+ snprintf(part, sizeof(part), "%s%s: %s",
+ (running ? color("#00FF00") : color("#FF0000")),
+ run_watches[i],
+ (running ? "yes" : "no"));
+ else snprintf(part, sizeof(part), "%s: %s", run_watches[i], (running ? "yes" : "no"));
+ snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
+ write_to_statusbar(pathbuf, part, false);
+ }
+
+ if (wlan_interface)
+ write_to_statusbar(concat(order[ORDER_WLAN], "wlan"), get_wireless_info(), false);
+ if (eth_interface)
+ write_to_statusbar(concat(order[ORDER_ETH], "eth"), get_eth_info(), false);
+ struct battery *current_battery;
+ SIMPLEQ_FOREACH(current_battery, &batteries, batteries) {
+ write_to_statusbar(concat(order[ORDER_BATTERY], "battery"), get_battery_info(current_battery->path), false);
+ }
+
+ /* Get load */
#ifdef LINUX
- int load_avg;
- if ((load_avg = open("/proc/loadavg", O_RDONLY)) == -1)
- die("Could not open /proc/loadavg\n");
- (void)read(load_avg, part, sizeof(part));
- (void)close(load_avg);
- *skip_character(part, ' ', 3) = '\0';
+ int load_avg;
+ if ((load_avg = open("/proc/loadavg", O_RDONLY)) == -1)
+ die("Could not open /proc/loadavg\n");
+ (void)read(load_avg, part, sizeof(part));
+ (void)close(load_avg);
+ *skip_character(part, ' ', 3) = '\0';
#else
- /* TODO: correctly check for NetBSD, check if it works the same on *BSD */
- struct loadavg load;
- size_t length = sizeof(struct loadavg);
- int mib[2] = { CTL_VM, VM_LOADAVG };
- if (sysctl(mib, 2, &load, &length, NULL, 0) < 0)
- die("Could not sysctl({ CTL_VM, VM_LOADAVG })\n");
- double scale = load.fscale;
- (void)snprintf(part, sizeof(part), "%.02f %.02f %.02f",
- (double)load.ldavg[0] / scale,
- (double)load.ldavg[1] / scale,
- (double)load.ldavg[2] / scale);
+ /* TODO: correctly check for NetBSD, check if it works the same on *BSD */
+ struct loadavg load;
+ size_t length = sizeof(struct loadavg);
+ int mib[2] = { CTL_VM, VM_LOADAVG };
+ if (sysctl(mib, 2, &load, &length, NULL, 0) < 0)
+ die("Could not sysctl({ CTL_VM, VM_LOADAVG })\n");
+ double scale = load.fscale;
+ (void)snprintf(part, sizeof(part), "%.02f %.02f %.02f",
+ (double)load.ldavg[0] / scale,
+ (double)load.ldavg[1] / scale,
+ (double)load.ldavg[2] / scale);
#endif
- write_to_statusbar(concat(order[ORDER_LOAD], "load"), part, !time_format);
-
- if (time_format) {
- /* Get date & time */
- time_t current_time = time(NULL);
- struct tm *current_tm = localtime(¤t_time);
- (void)strftime(part, sizeof(part), time_format, current_tm);
- write_to_statusbar(concat(order[ORDER_TIME], "time"), part, true);
- }
-
- sleep(interval);
- }
+ write_to_statusbar(concat(order[ORDER_LOAD], "load"), part, !time_format);
+
+ if (time_format) {
+ /* Get date & time */
+ time_t current_time = time(NULL);
+ struct tm *current_tm = localtime(¤t_time);
+ (void)strftime(part, sizeof(part), time_format, current_tm);
+ write_to_statusbar(concat(order[ORDER_TIME], "time"), part, true);
+ }
+
+ sleep(interval);
+ }
}