mirror of
https://github.com/alrayyes/dwm
synced 2023-11-14 15:56:31 +00:00
90 lines
2.5 KiB
Diff
90 lines
2.5 KiB
Diff
diff -up -N a/config.def.h b/config.def.h
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--- a/config.def.h 2020-12-01 10:21:09.920859006 +0100
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+++ b/config.def.h 2020-12-01 10:22:27.167535028 +0100
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@@ -66,6 +66,8 @@ static char dmenumon[2] = "0"; /* compon
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static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
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static const char *termcmd[] = { "st", NULL };
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+#include "selfrestart.c"
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+
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static Key keys[] = {
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/* modifier key function argument */
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{ MODKEY, XK_p, spawn, {.v = dmenucmd } },
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@@ -103,6 +105,7 @@ static Key keys[] = {
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TAGKEYS( XK_7, 6)
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TAGKEYS( XK_8, 7)
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TAGKEYS( XK_9, 8)
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+ { MODKEY|ShiftMask, XK_r, self_restart, {0} },
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{ MODKEY|ShiftMask, XK_q, quit, {0} },
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};
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diff -up -N a/selfrestart.c b/selfrestart.c
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--- a/selfrestart.c 1970-01-01 01:00:00.000000000 +0100
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+++ b/selfrestart.c 2020-12-01 10:24:06.714211651 +0100
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@@ -0,0 +1,65 @@
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+#include <unistd.h>
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+
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+/**
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+ * Magically finds the current's executable path
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+ *
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+ * I'm doing the do{}while(); trick because Linux (what I'm running) is not
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+ * POSIX compilant and so lstat() cannot be trusted on /proc entries
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+ *
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+ * @return char* the path of the current executable
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+ */
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+char *get_dwm_path(){
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+ struct stat s;
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+ int r, length, rate = 42;
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+ char *path = NULL;
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+
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+ if(lstat("/proc/self/exe", &s) == -1){
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+ perror("lstat:");
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+ return NULL;
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+ }
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+
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+ length = s.st_size + 1 - rate;
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+
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+ do{
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+ length+=rate;
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+
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+ free(path);
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+ path = malloc(sizeof(char) * length);
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+
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+ if(path == NULL){
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+ perror("malloc:");
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+ return NULL;
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+ }
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+
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+ r = readlink("/proc/self/exe", path, length);
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+
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+ if(r == -1){
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+ perror("readlink:");
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+ return NULL;
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+ }
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+ }while(r >= length);
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+
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+ path[r] = '\0';
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+
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+ return path;
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+}
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+
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+/**
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+ * self-restart
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+ *
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+ * Initially inspired by: Yu-Jie Lin
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+ * https://sites.google.com/site/yjlnotes/notes/dwm
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+ */
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+void self_restart(const Arg *arg) {
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+ char *const argv[] = {get_dwm_path(), NULL};
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+
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+ if(argv[0] == NULL){
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+ return;
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+ }
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+
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+ execv(argv[0], argv);
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+}
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