Add manual

Also add mycfetch.1 to install

Makefile

@@ -1,11 +1,21 @@
 PREFIX ?= /usr/local
+BINDIR ?= ${PREFIX}/bin
+MANDIR ?= ${PREFIX}/share/man
 
 all: mycfetch
 
-install: mycfetch
+mycfetch: config.h defs.h
-	install -m 555 mycfetch $(PREFIX)/bin/
 
 clean:
 	rm -f mycfetch
 
+install: mycfetch mycfetch.1
+	install -d ${DESTDIR}${BINDIR} ${DESTDIR}${MANDIR}/man1
+	install mycfetch ${DESTDIR}${BINDIR}
+	install -m 644 mycfetch.1 ${DESTDIR}${MANDIR}/man1
+
+uninstall:
+	rm -f ${DESTDIR}${BINDIR}/mycfetch
+	rm -f ${DESTDIR}${MANDIR}/man1/mycfetch.1
+
 .PHONY: all install clean

mycfetch.1

@@ -0,0 +1,62 @@
+.Dd August 23, 2024
+.Dt MYCFETCH 1
+.Os
+.
+.Sh NAME
+.Nm mycfetch
+.Nd System info fetcher
+.Sh SYNOPSIS
+.Nm
+.Op Ar artname
+.
+.Sh DESCRIPTION
+.Nm
+shows you some information about computer. On the left you will see some cute
+ascii art, one the right -
+.Ql user@host ,
+kernel name and version, and current uptime.
+.Pp
+.
+Arts are added to
+.Nm
+through
+.Ql config.h
+file.
+.
+.Bl -tag -width Ds
+.It Ar artname
+Name of the art to show on the left.
+.
+.Sh EXIT STATUS
+.Nm
+returns 0 if done without errors or 69 if art is not found.
+.
+.Sh EXAMPLES
+For example,
+.Bd -literal -offset indent
+$ mycfetch cat
+.Ed
+Will show cat on the left with some system info.
+.Ql cat
+can be ommited because it's the first entry in the config.
+.Bd -literal -offset indent
+ ╱|、     naki@nakidai
+(˚ˎ。7    --
+| 、˜〵   Linux 6.10.4-arch2-1
+じしˍ,)ノ Up 1 days, 5 hours, 23 minutes
+.Ed
+.
+.Sh STANDARDS
+.Nm
+is
+.St -p1003.1-2004
+compatible, while also uses
+.Fn "int clock_gettime" "clockid_t" "struct timespec *"
+from
+.St -p1003.1b
+.Sy TMR
+extension.
+.
+.Sh AUTHORS
+.An Nakidai Perumenei Aq Mt plaza521@inbox.ru
+.

mycfetch.c

@@ -1,8 +1,11 @@
+#define _POSIX_C_SOURCE 200112L
+
 #include <stdio.h>
 #include <sys/utsname.h>
 #include <unistd.h>
 #include <time.h>
 #include <string.h>
+#include <stdbool.h>
 
 #include "config.h"
 #include "defs.h"
@@ -29,10 +32,15 @@ void getuptime(char *buffer, int max_length)
 int main(int argc, char **argv)
 {
     char **art = arts[0].art, *name = argv[1];
+    int ret = 0;
     if (name)
+    {
+        bool found = false;
         for (int i = 0; i < sizeof(arts) / sizeof(*arts); ++i)
             if (!strcmp(arts[i].name, name))
-                { art = arts[i].art; break; }
+            { art = arts[i].art; found = true; break; }
+        if (!found) ret = 69;
+    }
 
     struct utsname uname_buf;
     char hostname[max_hostname_length];
@@ -54,5 +62,5 @@ int main(int argc, char **argv)
         art[2], uname_buf.sysname, uname_buf.release,
         art[3], uptime
     );
-    return 0;
+    return ret;
 }