X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/46b6876d7ec6e17bb51ee647f77bd238c864ca25..447283fda1505124f68f0cf74833f307cb630fa3:/slstatus.c

diff --git a/slstatus.c b/slstatus.c
index c03a1d2..60b5bbb 100644
--- a/slstatus.c
+++ b/slstatus.c
@@ -29,7 +29,7 @@
 #include "strlcat.h"
 #include "strlcpy.h"
 
-typedef char *(*op_fun) (const char *);
+typedef char *(*op_fun)();
 struct arg {
 	op_fun func;
 	const char *format;
@@ -39,26 +39,26 @@ struct arg {
 static void setstatus(const char *);
 static char *smprintf(const char *, ...);
 static char *battery_perc(const char *);
-static char *cpu_perc(const char *);
+static char *cpu_perc(void);
 static char *datetime(const char *);
 static char *disk_free(const char *);
 static char *disk_perc(const char *);
 static char *disk_total(const char *);
 static char *disk_used(const char *);
-static char *entropy(const char *);
-static char *gid(const char *);
-static char *hostname(const char *);
+static char *entropy(void);
+static char *gid(void);
+static char *hostname(void);
 static char *ip(const char *);
-static char *load_avg(const char *);
-static char *ram_free(const char *);
-static char *ram_perc(const char *);
-static char *ram_used(const char *);
-static char *ram_total(const char *);
+static char *load_avg(void);
+static char *ram_free(void);
+static char *ram_perc(void);
+static char *ram_used(void);
+static char *ram_total(void);
 static char *run_command(const char *);
 static char *temp(const char *);
-static char *uid(const char *);
-static char *uptime(const char *);
-static char *username(const char *);
+static char *uid(void);
+static char *uptime(void);
+static char *username(void);
 static char *vol_perc(const char *);
 static char *wifi_perc(const char *);
 static char *wifi_essid(const char *);
@@ -129,7 +129,7 @@ battery_perc(const char *battery)
 }
 
 static char *
-cpu_perc(const char *null)
+cpu_perc(void)
 {
 	int perc;
 	long double a[4], b[4];
@@ -237,7 +237,7 @@ disk_used(const char *mountpoint)
 }
 
 static char *
-entropy(const char *null)
+entropy(void)
 {
 	int entropy = 0;
 	FILE *fp;
@@ -253,20 +253,14 @@ entropy(const char *null)
 }
 
 static char *
-gid(const char *null)
+gid(void)
 {
-	gid_t gid;
-
-	if ((gid = getgid()) < 0) {
-		fprintf(stderr, "Could no get gid.\n");
-		return smprintf(unknowntext);
-	} else
-		return smprintf("%d", gid);
-	return smprintf(unknowntext);
+	gid_t gid = getgid();
+	return smprintf("%d", gid);
 }
 
 static char *
-hostname(const char *null)
+hostname(void)
 {
 	char hostname[HOST_NAME_MAX];
 	FILE *fp;
@@ -316,7 +310,7 @@ ip(const char *interface)
 }
 
 static char *
-load_avg(const char *null)
+load_avg(void)
 {
 	double avgs[3];
 
@@ -329,7 +323,7 @@ load_avg(const char *null)
 }
 
 static char *
-ram_free(const char *null)
+ram_free(void)
 {
 	long free;
 	FILE *fp;
@@ -345,7 +339,7 @@ ram_free(const char *null)
 }
 
 static char *
-ram_perc(const char *null)
+ram_perc(void)
 {
 	int perc;
 	long total, free, buffers, cached;
@@ -367,7 +361,7 @@ ram_perc(const char *null)
 }
 
 static char *
-ram_total(const char *null)
+ram_total(void)
 {
 	long total;
 	FILE *fp;
@@ -383,7 +377,7 @@ ram_total(const char *null)
 }
 
 static char *
-ram_used(const char *null)
+ram_used(void)
 {
 	long free, total, buffers, cached, used;
 	FILE *fp;
@@ -445,7 +439,7 @@ temp(const char *file)
 }
 
 static char *
-uptime(const char *null)
+uptime(void)
 {
 	struct sysinfo info;
 	int hours = 0;
@@ -459,7 +453,7 @@ uptime(const char *null)
 }
 
 static char *
-username(const char *null)
+username(void)
 {
 	register struct passwd *pw;
 	register uid_t uid;
@@ -478,7 +472,7 @@ username(const char *null)
 }
 
 static char *
-uid(const char *null)
+uid(void)
 {
 	register uid_t uid;
 
@@ -612,7 +606,9 @@ wifi_essid(const char *wificard)
 int
 main(void)
 {
-	char status_string[1024];
+	size_t i;
+	char status_string[4096];
+	char *res, *element;
 	struct arg argument;
 
 	if (!(dpy = XOpenDisplay(0x0))) {
@@ -622,10 +618,13 @@ main(void)
 
 	for (;;) {
 		memset(status_string, 0, sizeof(status_string));
-		for (size_t i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
+		for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
 			argument = args[i];
-			char *res = argument.func(argument.args);
-			char *element = smprintf(argument.format, res);
+			if (argument.args == NULL)
+				res = argument.func();
+			else
+				res = argument.func(argument.args);
+			element = smprintf(argument.format, res);
 			if (element == NULL) {
 				element = smprintf(unknowntext);
 				fprintf(stderr, "Failed to format output.\n");