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commit 1a3aad0efcfbb8995033785433f3b6225dc0719e
parent 97720f9277a652f9bbb8cfc225f0d57af70253af
Author: John Soros <j@roxor.me>
Date:   Sat,  3 Nov 2018 21:03:43 +0100

right_click_to_plumb: add a version fully implemented in C

Diffstat:
M
st.suckless.org/patches/right_click_to_plumb/index.md
 | 
18
++++++++++++++++++
A
st.suckless.org/patches/right_click_to_plumb/plumb_without_shell_OSC.diff
 | 
130
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 148 insertions(+), 0 deletions(-)
diff --git a/st.suckless.org/patches/right_click_to_plumb/index.md b/st.suckless.org/patches/right_click_to_plumb/index.md
@@ -47,3 +47,21 @@ The plumbing program can be defined via `config.h`:
 
 * [jerome](http://blog.jardinmagique.info) <jerome@gcu.info>
 
+
+# A simpler plumb patch
+
+The plumbing command is run in the working directory of the shell, with as parameter the text selected with the mouse.
+
+Configuration is done in config.h and an example is supplied in config.def.h:
+
+                static char *plumb_cmd = "plumb";
+
+I made this version since I had a hard time understanding how the OSC 7 stuff works and I preferred a full C implementation of a plumbing patch.
+
+## Download
+
+* [plumb_without_shell_OSC.diff](plumb_without_shell_OSC.diff) (2018-11-03)
+
+## Authors
+
+* [john](http://roxor.me) <j@roxor.me>
diff --git a/st.suckless.org/patches/right_click_to_plumb/plumb_without_shell_OSC.diff b/st.suckless.org/patches/right_click_to_plumb/plumb_without_shell_OSC.diff
@@ -0,0 +1,130 @@
+ config.def.h |  6 ++++++
+ st.c         | 21 ++++++++++++++++++++-
+ st.h         |  2 ++
+ x.c          | 26 ++++++++++++++++++++++++++
+ 4 files changed, 54 insertions(+), 1 deletion(-)
+
+diff --git a/config.def.h b/config.def.h
+index 823e79f..08e6ed4 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -459,3 +459,9 @@ static char ascii_printable[] =
+ 	" !\"#$%&'()*+,-./0123456789:;<=>?"
+ 	"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
+ 	"`abcdefghijklmnopqrstuvwxyz{|}~";
++
++/*
++ * plumb_cmd is run on mouse button 3 click, with argument set to
++ * current selection and with cwd set to the cwd of the active shell
++ */
++static char *plumb_cmd = "plumb";
+diff --git a/st.c b/st.c
+index 46cf2da..46d7c8a 100644
+--- a/st.c
++++ b/st.c
+@@ -27,6 +27,9 @@
+ #elif defined(__FreeBSD__) || defined(__DragonFly__)
+  #include <libutil.h>
+ #endif
++#if defined(__OpenBSD__)
++ #include <sys/sysctl.h>
++#endif
+ 
+ /* Arbitrary sizes */
+ #define UTF_INVALID   0xFFFD
+@@ -232,6 +235,22 @@ static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
+ static Rune utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
+ static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
+ 
++int
++subprocwd(char *path)
++{
++#if   defined(__linux)
++	if (snprintf(path, PATH_MAX, "/proc/%d/cwd", pid) < 0)
++		return -1;
++	return 0;
++#elif defined(__OpenBSD__)
++	size_t sz = PATH_MAX;
++	int name[3] = {CTL_KERN, KERN_PROC_CWD, pid};
++	if (sysctl(name, 3, path, &sz, 0, 0) == -1)
++		return -1;
++	return 0;
++#endif
++}
++
+ ssize_t
+ xwrite(int fd, const char *s, size_t len)
+ {
+@@ -810,7 +829,7 @@ ttynew(char *line, char *cmd, char *out, char **args)
+ 		break;
+ 	default:
+ #ifdef __OpenBSD__
+-		if (pledge("stdio rpath tty proc", NULL) == -1)
++		if (pledge("stdio rpath tty proc ps exec", NULL) == -1)
+ 			die("pledge\n");
+ #endif
+ 		close(s);
+diff --git a/st.h b/st.h
+index 38c61c4..1f87287 100644
+--- a/st.h
++++ b/st.h
+@@ -110,6 +110,8 @@ void *xmalloc(size_t);
+ void *xrealloc(void *, size_t);
+ char *xstrdup(char *);
+ 
++int subprocwd(char *);
++
+ /* config.h globals */
+ extern char *utmp;
+ extern char *stty_args;
+diff --git a/x.c b/x.c
+index 00cb6b1..e03dc71 100644
+--- a/x.c
++++ b/x.c
+@@ -5,6 +5,7 @@
+ #include <locale.h>
+ #include <signal.h>
+ #include <sys/select.h>
++#include <sys/wait.h>
+ #include <time.h>
+ #include <unistd.h>
+ #include <libgen.h>
+@@ -635,6 +636,29 @@ xsetsel(char *str)
+ 	setsel(str, CurrentTime);
+ }
+ 
++void
++plumb(char *sel) {
++	if (sel == NULL)
++		return;
++	char cwd[PATH_MAX];
++	pid_t child;
++	if (subprocwd(cwd) != 0)
++		return;
++
++	switch(child = fork()) {
++		case -1:
++			return;
++		case 0:
++			if (chdir(cwd) != 0)
++				exit(1);
++			if (execvp(plumb_cmd, (char *const []){plumb_cmd, sel, 0}) == -1)
++				exit(1);
++			exit(0);
++		default:
++			waitpid(child, NULL, 0);
++	}
++}
++
+ void
+ brelease(XEvent *e)
+ {
+@@ -647,6 +671,8 @@ brelease(XEvent *e)
+ 		selpaste(NULL);
+ 	else if (e->xbutton.button == Button1)
+ 		mousesel(e, 1);
++	else if (e->xbutton.button == Button3)
++		plumb(xsel.primary);
+ }
+ 
+ void