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New component: cat - slstatus - suckless status monitor. mirror from suckless.org
HTML git clone git://git.drkhsh.at/slstatus.git
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit 57c6e7340d16b14d61f9e3361ca4940f53dfcafa
DIR parent 4bd78c94ba90d67a268c092231b85037c94a339a
HTML Author: drkhsh <me@drkhsh.at>
Date: Wed, 23 Nov 2022 23:59:51 +0100
New component: cat
Generically reads an arbitrary file natively.
Saves a few layers of execution in comparison to using `run_command`
with an argument like `cat ./file`.
Diffstat:
M Makefile | 1 +
M README | 1 +
A components/cat.c | 32 +++++++++++++++++++++++++++++++
M config.def.h | 1 +
M slstatus.h | 3 +++
5 files changed, 38 insertions(+), 0 deletions(-)
---
DIR diff --git a/Makefile b/Makefile
@@ -7,6 +7,7 @@ include config.mk
REQ = util
COM =\
components/battery\
+ components/cat\
components/cpu\
components/datetime\
components/disk\
DIR diff --git a/README b/README
@@ -7,6 +7,7 @@ slstatus is a suckless status monitor for window managers that use WM_NAME
Features
--------
- Battery percentage/state/time left
+- Cat (read file)
- CPU usage
- CPU frequency
- Custom shell commands
DIR diff --git a/components/cat.c b/components/cat.c
@@ -0,0 +1,32 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <string.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+const char *
+cat(const char *path)
+{
+ char *f;
+ FILE *fp;
+
+ if (!(fp = fopen(path, "r"))) {
+ warn("fopen '%s':", path);
+ return NULL;
+ }
+
+ f = fgets(buf, sizeof(buf) - 1, fp);
+ if (fclose(fp) < 0) {
+ warn("fclose '%s':", path);
+ return NULL;
+ }
+ if (!f)
+ return NULL;
+
+ if ((f = strrchr(buf, '\n')))
+ f[0] = '\0';
+
+ return buf[0] ? buf : NULL;
+}
+
DIR diff --git a/config.def.h b/config.def.h
@@ -18,6 +18,7 @@ static const char unknown_str[] = "n/a";
* NULL on OpenBSD/FreeBSD
* battery_remaining battery remaining HH:MM battery name (BAT0)
* NULL on OpenBSD/FreeBSD
+ * cat read arbitrary file path
* cpu_perc cpu usage in percent NULL
* cpu_freq cpu frequency in MHz NULL
* datetime date and time format string (%F %T)
DIR diff --git a/slstatus.h b/slstatus.h
@@ -5,6 +5,9 @@ const char *battery_perc(const char *);
const char *battery_state(const char *);
const char *battery_remaining(const char *);
+/* cat */
+const char *cat(const char *path);
+
/* cpu */
const char *cpu_freq(const char *unused);
const char *cpu_perc(const char *unused);