init

st-flexipatch/patch/newterm.c

@@ -0,0 +1,44 @@
+extern char* argv0;
+
+static char*
+getcwd_by_pid(pid_t pid) {
+	static char cwd[32];
+	snprintf(cwd, sizeof cwd, "/proc/%d/cwd", pid);
+	return cwd;
+}
+
+void
+newterm(const Arg* a)
+{
+	switch (fork()) {
+	case -1:
+		die("fork failed: %s\n", strerror(errno));
+		break;
+	case 0:
+		switch (fork()) {
+		case -1:
+			die("fork failed: %s\n", strerror(errno));
+			break;
+		case 0:
+			#if OSC7_PATCH
+			if (term.cwd) {
+				if (chdir(term.cwd) == 0) {
+					/* We need to put the working directory also in PWD, so that
+					* the shell starts in the right directory if `cwd` is a
+					* symlink. */
+					setenv("PWD", term.cwd, 1);
+				}
+			} else {
+				chdir(getcwd_by_pid(pid));
+			}
+			#else
+			chdir(getcwd_by_pid(pid));
+			#endif // OSC7_PATCH
+
+			execl("/proc/self/exe", argv0, NULL);
+			exit(1);
+		default:
+			exit(0);
+		}
+	}
+}