Add switch to provide initial working directory

This patch adds -p switch which takes one argument 'path' and can be
used to set the initial working directory of the new st instance.
It acts the same as running 'cd path' command after starting the st
instance.

Source: https://st.suckless.org/patches/workingdir/

2 files changed, 17 insertions, 4 deletions

diff --git a/st.1 b/st.1
index 39120b4..b82beb3 100644
--- a/st.1
+++ b/st.1
@@ -6,6 +6,8 @@ st \- simple terminal
 .RB [ \-aiv ]
 .RB [ \-c
 .IR class ]
+.RB [ \-d
+.IR path ]
 .RB [ \-f
 .IR font ]
 .RB [ \-g
@@ -30,6 +32,8 @@ st \- simple terminal
 .RB [ \-aiv ]
 .RB [ \-c
 .IR class ]
+.RB [ \-d
+.IR path ]
 .RB [ \-f
 .IR font ]
 .RB [ \-g
@@ -58,6 +62,10 @@ disable alternate screens in terminal
 .BI \-c " class"
 defines the window class (default $TERM).
 .TP
+.BI \-d " path"
+changes the working directory to
+.IR path .
+.TP
 .BI \-f " font"
 defines the
 .I font
diff --git a/x.c b/x.c
index b36fb8c..2131095 100644
--- a/x.c
+++ b/x.c
@@ -251,6 +251,7 @@ static char *opt_io    = NULL;
 static char *opt_line  = NULL;
 static char *opt_name  = NULL;
 static char *opt_title = NULL;
+static char *opt_dir   = NULL;
 
 static uint buttons; /* bit field of pressed buttons */
 
@@ -2017,12 +2018,12 @@ run(void)
 void
 usage(void)
 {
-	die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
-	    " [-n name] [-o file]\n"
+	die("usage: %s [-aiv] [-c class] [-d path] [-f font]"
+	    " [-g geometry] [-n name] [-o file]\n"
 	    "          [-T title] [-t title] [-w windowid]"
 	    " [[-e] command [args ...]]\n"
-	    "       %s [-aiv] [-c class] [-f font] [-g geometry]"
-	    " [-n name] [-o file]\n"
+	    "       %s [-aiv] [-c class] [-d path] [-f font]"
+	    " [-g geometry] [-n name] [-o file]\n"
 	    "          [-T title] [-t title] [-w windowid] -l line"
 	    " [stty_args ...]\n", argv0, argv0);
 }
@@ -2074,6 +2075,9 @@ main(int argc, char *argv[])
 	case 'v':
 		die("%s " VERSION "\n", argv0);
 		break;
+	case 'd':
+		opt_dir = EARGF(usage());
+		break;
 	default:
 		usage();
 	} ARGEND;
@@ -2093,6 +2097,7 @@ run:
 	xinit(cols, rows);
 	xsetenv();
 	selinit();
+	chdir(opt_dir);
 	run();
 
 	return 0;