[hackers] [slstatus] Mark unused parameters, fix compiler warnings || Aaron Marcher

From: <git_AT_suckless.org>
Date: Thu, 17 May 2018 18:30:43 +0200 (CEST)

commit fc8b6f81a54810faa844ea21d08ef47f95b8f4e0
Author: Aaron Marcher <me_AT_drkhsh.at>
AuthorDate: Thu May 17 18:29:25 2018 +0200
Commit: Aaron Marcher <me_AT_drkhsh.at>
CommitDate: Thu May 17 18:29:25 2018 +0200

    Mark unused parameters, fix compiler warnings

diff --git a/components/battery.c b/components/battery.c
index a63b9d0..4c6b4f5 100644
--- a/components/battery.c
+++ b/components/battery.c
_AT_@ -52,11 +52,13 @@
         #include <unistd.h>
 
         const char *
- battery_perc(const char *null)
+ battery_perc(const char *bat)
         {
                 struct apm_power_info apm_info;
                 int fd;
 
+ UNUSED(bat); /* no way to specify battery on OpenBSD */
+
                 fd = open("/dev/apm", O_RDONLY);
                 if (fd < 0) {
                         fprintf(stderr, "open '/dev/apm': %s\n", strerror(errno));
_AT_@ -88,6 +90,8 @@
                         { APM_AC_OFF, "-" },
                 };
 
+ UNUSED(bat); /* no way to specify battery on OpenBSD */
+
                 fd = open("/dev/apm", O_RDONLY);
                 if (fd < 0) {
                         fprintf(stderr, "open '/dev/apm': %s\n", strerror(errno));
diff --git a/components/temperature.c b/components/temperature.c
index 35bdb01..b29eb86 100644
--- a/components/temperature.c
+++ b/components/temperature.c
_AT_@ -21,12 +21,14 @@
         #include <sys/sysctl.h>
 
         const char *
- temp(const char *null)
+ temp(const char *file)
         {
                 int mib[5];
                 size_t size;
                 struct sensor temp;
 
+ UNUSED(file); /* no temperature file on OpenBSD */
+
                 mib[0] = CTL_HW;
                 mib[1] = HW_SENSORS;
                 mib[2] = 0; /* cpu0 */
diff --git a/util.h b/util.h
index e90c29d..53e4104 100644
--- a/util.h
+++ b/util.h
_AT_@ -3,5 +3,7 @@ extern char buf[1024];
 
 #define LEN(x) (sizeof (x) / sizeof *(x))
 
+#define UNUSED(x) (void)x
+
 const char *bprintf(const char *fmt, ...);
 int pscanf(const char *path, const char *fmt, ...);
Received on Thu May 17 2018 - 18:30:43 CEST