components/*.c: include slstatus.h

this gives the compiler a chance to check weather the prototype and
definiton matches or not, which would catch issues like 3c47701.

Makefile

@@ -31,7 +31,7 @@ COM =\
 
 all: slstatus
 
-$(COM:=.o): config.mk $(REQ:=.h)
+$(COM:=.o): config.mk $(REQ:=.h) slstatus.h
 slstatus.o: slstatus.c slstatus.h arg.h config.h config.mk $(REQ:=.h)
 
 .c.o:

components/battery.c

@@ -3,6 +3,7 @@
 #include <string.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 #if defined(__linux__)
 	#include <limits.h>

components/cpu.c

@@ -4,6 +4,7 @@
 #include <string.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 #if defined(__linux__)
 	const char *

components/datetime.c

@@ -3,6 +3,7 @@
 #include <time.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 const char *
 datetime(const char *fmt)

components/disk.c

@@ -3,6 +3,7 @@
 #include <sys/statvfs.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 const char *
 disk_free(const char *path)

components/entropy.c

@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+#include "../slstatus.h"
 #if defined(__linux__)
 	#include <stdint.h>
 	#include <stdio.h>

components/hostname.c

@@ -3,6 +3,7 @@
 #include <unistd.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 const char *
 hostname(void)

components/ip.c

@@ -12,6 +12,7 @@
 #endif
 
 #include "../util.h"
+#include "../slstatus.h"
 
 static const char *
 ip(const char *interface, unsigned short sa_family)

components/kernel_release.c

@@ -3,6 +3,7 @@
 #include <stdio.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 const char *
 kernel_release(void)

components/keyboard_indicators.c

@@ -5,6 +5,7 @@
 #include <X11/Xlib.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 /*
  * fmt consists of uppercase or lowercase 'c' for caps lock and/or 'n' for num

components/keymap.c

@@ -6,6 +6,7 @@
 #include <X11/Xlib.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 static int
 valid_layout_or_variant(char *sym)

components/load_avg.c

@@ -3,6 +3,7 @@
 #include <stdlib.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 const char *
 load_avg(void)

components/netspeeds.c

@@ -3,6 +3,7 @@
 #include <limits.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 #if defined(__linux__)
 	#include <stdint.h>

components/num_files.c

@@ -4,6 +4,7 @@
 #include <string.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 const char *
 num_files(const char *path)

components/ram.c

@@ -2,6 +2,7 @@
 #include <stdio.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 #if defined(__linux__)
 	#include <stdint.h>

components/run_command.c

@@ -3,6 +3,7 @@
 #include <string.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 const char *
 run_command(const char *cmd)

components/separator.c

@@ -2,6 +2,7 @@
 #include <stdio.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 const char *
 separator(const char *separator)

components/swap.c

@@ -5,6 +5,7 @@
 #include <string.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 #if defined(__linux__)
 	static int

components/temperature.c

@@ -2,6 +2,7 @@
 #include <stddef.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 
 #if defined(__linux__)

components/uptime.c

@@ -4,6 +4,7 @@
 #include <time.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 #if defined(CLOCK_BOOTTIME)
 	#define UPTIME_FLAG CLOCK_BOOTTIME

components/user.c

@@ -5,6 +5,7 @@
 #include <unistd.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 const char *
 gid(void)

components/volume.c

@@ -6,6 +6,7 @@
 #include <unistd.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 #if defined(__OpenBSD__) | defined(__FreeBSD__)
 	#include <sys/queue.h>

components/wifi.c

@@ -7,6 +7,7 @@
 #include <unistd.h>
 
 #include "../util.h"
+#include "../slstatus.h"
 
 #define RSSI_TO_PERC(rssi) \
 			rssi >= -50 ? 100 : \