Add shortcut to spawn new terminal in the current dir - st - personal variant of st
(HTM) git clone https://git.drkhsh.at/st.git
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---
(DIR) commit bc2834356ed1bbf2cdfb7bb3cf307568e6235539
(DIR) parent 60ff062e41862ada6d57645a94bd7931aee87e37
(HTM) Author: drkhsh <me@drkhsh.at>
Date: Wed, 10 Jan 2024 10:11:10 +0100
Add shortcut to spawn new terminal in the current dir
This commit is inspired by Santtu's st-newterm-20220221-0.8.5.diff. It
removes the unused res variable, it makes use of _exit() instead of
exit() and it replaces execlp() with execl() (PATH searching is useless
when the path is absolute).
https://st.suckless.org/patches/newterm/
Diffstat:
M config.def.h | 1 +
M st.c | 38 +++++++++++++++++++++++++++++++
M st.h | 1 +
3 files changed, 40 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/config.def.h b/config.def.h
@@ -203,6 +203,7 @@ static Shortcut shortcuts[] = {
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
{ ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
{ ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} },
+ { TERMMOD, XK_Return, newterm, {.i = 0} },
};
/*
(DIR) diff --git a/st.c b/st.c
@@ -20,6 +20,8 @@
#include "st.h"
#include "win.h"
+extern char *argv0;
+
#if defined(__linux)
#include <pty.h>
#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
@@ -160,6 +162,7 @@ typedef struct {
} STREscape;
static void execsh(char *, char **);
+static int chdir_by_pid(pid_t pid);
static void stty(char **);
static void sigchld(int);
static void ttywriteraw(const char *, size_t);
@@ -813,6 +816,7 @@ ttynew(const char *line, char *cmd, const char *out, char **args)
if (pledge("stdio rpath tty proc", NULL) == -1)
die("pledge\n");
#endif
+ fcntl(m, F_SETFD, FD_CLOEXEC);
close(s);
cmdfd = m;
signal(SIGCHLD, sigchld);
@@ -1098,6 +1102,40 @@ kscrollup(const Arg* a)
}
void
+newterm(const Arg* a)
+{
+ switch (fork()) {
+ case -1:
+ die("fork failed: %s\n", strerror(errno));
+ break;
+ case 0:
+ switch (fork()) {
+ case -1:
+ fprintf(stderr, "fork failed: %s\n", strerror(errno));
+ _exit(1);
+ break;
+ case 0:
+ chdir_by_pid(pid);
+ execl("/proc/self/exe", argv0, NULL);
+ _exit(1);
+ break;
+ default:
+ _exit(0);
+ }
+ default:
+ wait(NULL);
+ }
+}
+
+static int
+chdir_by_pid(pid_t pid)
+{
+ char buf[32];
+ snprintf(buf, sizeof buf, "/proc/%ld/cwd", (long)pid);
+ return chdir(buf);
+}
+
+void
tscrolldown(int orig, int n, int copyhist)
{
int i;
(DIR) diff --git a/st.h b/st.h
@@ -83,6 +83,7 @@ void draw(void);
void kscrolldown(const Arg *);
void kscrollup(const Arg *);
+void newterm(const Arg *);
void printscreen(const Arg *);
void printsel(const Arg *);
void sendbreak(const Arg *);