GopherProxy

	New component: cat - slstatus - status monitor
	git clone git://git.suckless.org/slstatus
	Log
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	README
	LICENSE
	---
	commit 57c6e7340d16b14d61f9e3361ca4940f53dfcafa
	parent 4bd78c94ba90d67a268c092231b85037c94a339a
	Author: drkhsh <[email protected]>
	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(-)
	---
	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\
	diff --git a/README b/README
	@@ -7,6 +7,7 @@ slstatus is a suckless status monitor for window managers that …
	Features
	--------
	- Battery percentage/state/time left
	+- Cat (read file)
	- CPU usage
	- CPU frequency
	- Custom shell commands
	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;
	+}
	+
	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)
	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);