fix pipewire linked with everything + rename ilovecurses -> cursetree

remove shfx subproject
BIFURCATION IMPLEMENTED
2025-09-11 20:50:55 +10:00 · 2025-09-11 20:35:08 +10:00 · 2025-09-11 19:27:49 +10:00 · 2025-09-11 19:27:02 +10:00 · 2025-09-11 19:26:28 +10:00 · 2025-09-11 19:24:48 +10:00
27 changed files with 2870 additions and 49 deletions
--- a/.gitignore
+++ b/.gitignore
@ -6,3 +6,6 @@ sandbox/
 .cache/
 compile_commands.json
 # valgrind
 vgcore.*
--- a/674
+++ b/674
@ -0,0 +1,674 @@
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 The hypothetical commands `show w' and `show c' should show the appropriate
 parts of the General Public License.  Of course, your program's commands
 might be different; for a GUI interface, you would use an "about box".
  You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
 <http://www.gnu.org/licenses/>.
  The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
 <http://www.gnu.org/philosophy/why-not-lgpl.html>.
--- a/LICENSES/GLIBC-COPYING
+++ b/LICENSES/GLIBC-COPYING
@ -0,0 +1,339 @@
                    GNU GENERAL PUBLIC LICENSE
                       Version 2, June 1991
 Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
                            Preamble
  The licenses for most software are designed to take away your
 freedom to share and change it.  By contrast, the GNU General Public
 License is intended to guarantee your freedom to share and change free
 software--to make sure the software is free for all its users.  This
 General Public License applies to most of the Free Software
 Foundation's software and to any other program whose authors commit to
 using it.  (Some other Free Software Foundation software is covered by
 the GNU Lesser General Public License instead.)  You can apply it to
 your programs, too.
  When we speak of free software, we are referring to freedom, not
 price.  Our General Public Licenses are designed to make sure that you
 have the freedom to distribute copies of free software (and charge for
 this service if you wish), that you receive source code or can get it
 if you want it, that you can change the software or use pieces of it
 in new free programs; and that you know you can do these things.
  To protect your rights, we need to make restrictions that forbid
 anyone to deny you these rights or to ask you to surrender the rights.
 These restrictions translate to certain responsibilities for you if you
 distribute copies of the software, or if you modify it.
  For example, if you distribute copies of such a program, whether
 gratis or for a fee, you must give the recipients all the rights that
 you have.  You must make sure that they, too, receive or can get the
 source code.  And you must show them these terms so they know their
 rights.
  We protect your rights with two steps: (1) copyright the software, and
 (2) offer you this license which gives you legal permission to copy,
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  Also, for each author's protection and ours, we want to make certain
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  Finally, any free program is threatened constantly by software
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  The precise terms and conditions for copying, distribution and
 modification follow.
                    GNU GENERAL PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
  0. This License applies to any program or other work which contains
 a notice placed by the copyright holder saying it may be distributed
 under the terms of this General Public License.  The "Program", below,
 refers to any such program or work, and a "work based on the Program"
 means either the Program or any derivative work under copyright law:
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 Activities other than copying, distribution and modification are not
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 is covered only if its contents constitute a work based on the
 Program (independent of having been made by running the Program).
 Whether that is true depends on what the Program does.
  1. You may copy and distribute verbatim copies of the Program's
 source code as you receive it, in any medium, provided that you
 conspicuously and appropriately publish on each copy an appropriate
 copyright notice and disclaimer of warranty; keep intact all the
 notices that refer to this License and to the absence of any warranty;
 and give any other recipients of the Program a copy of this License
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 You may charge a fee for the physical act of transferring a copy, and
 you may at your option offer warranty protection in exchange for a fee.
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 distribute such modifications or work under the terms of Section 1
 above, provided that you also meet all of these conditions:
    a) You must cause the modified files to carry prominent notices
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    b) You must cause any work that you distribute or publish, that in
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    c) If the modified program normally reads commands interactively
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    the Program is not required to print an announcement.)
 These requirements apply to the modified work as a whole.  If
 identifiable sections of that work are not derived from the Program,
 and can be reasonably considered independent and separate works in
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 sections when you distribute them as separate works.  But when you
 distribute the same sections as part of a whole which is a work based
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 entire whole, and thus to each and every part regardless of who wrote it.
 Thus, it is not the intent of this section to claim rights or contest
 your rights to work written entirely by you; rather, the intent is to
 exercise the right to control the distribution of derivative or
 collective works based on the Program.
 In addition, mere aggregation of another work not based on the Program
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 a storage or distribution medium does not bring the other work under
 the scope of this License.
  3. You may copy and distribute the Program (or a work based on it,
 under Section 2) in object code or executable form under the terms of
 Sections 1 and 2 above provided that you also do one of the following:
    a) Accompany it with the complete corresponding machine-readable
    source code, which must be distributed under the terms of Sections
    1 and 2 above on a medium customarily used for software interchange; or,
    b) Accompany it with a written offer, valid for at least three
    years, to give any third party, for a charge no more than your
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 The source code for a work means the preferred form of the work for
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  4. You may not copy, modify, sublicense, or distribute the Program
 except as expressly provided under this License.  Any attempt
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 However, parties who have received copies, or rights, from you under
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 excuse you from the conditions of this License.  If you cannot
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 license would not permit royalty-free redistribution of the Program by
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 the only way you could satisfy both it and this License would be to
 refrain entirely from distribution of the Program.
 If any portion of this section is held invalid or unenforceable under
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 It is not the purpose of this section to induce you to infringe any
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 This section is intended to make thoroughly clear what is believed to
 be a consequence of the rest of this License.
  8. If the distribution and/or use of the Program is restricted in
 certain countries either by patents or by copyrighted interfaces, the
 original copyright holder who places the Program under this License
 may add an explicit geographical distribution limitation excluding
 those countries, so that distribution is permitted only in or among
 countries not thus excluded.  In such case, this License incorporates
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  9. The Free Software Foundation may publish revised and/or new versions
 of the General Public License from time to time.  Such new versions will
 be similar in spirit to the present version, but may differ in detail to
 address new problems or concerns.
 Each version is given a distinguishing version number.  If the Program
 specifies a version number of this License which applies to it and "any
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  10. If you wish to incorporate parts of the Program into other free
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                            NO WARRANTY
  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
 REPAIR OR CORRECTION.
  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
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                     END OF TERMS AND CONDITIONS
            How to Apply These Terms to Your New Programs
  If you develop a new program, and you want it to be of the greatest
 possible use to the public, the best way to achieve this is to make it
 free software which everyone can redistribute and change under these terms.
  To do so, attach the following notices to the program.  It is safest
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 the "copyright" line and a pointer to where the full notice is found.
    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 Also add information on how to contact you by electronic and paper mail.
 If the program is interactive, make it output a short notice like this
 when it starts in an interactive mode:
    Gnomovision version 69, Copyright (C) year name of author
    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.
 The hypothetical commands `show w' and `show c' should show the appropriate
 parts of the General Public License.  Of course, the commands you use may
 be called something other than `show w' and `show c'; they could even be
 mouse-clicks or menu items--whatever suits your program.
 You should also get your employer (if you work as a programmer) or your
 school, if any, to sign a "copyright disclaimer" for the program, if
 necessary.  Here is a sample; alter the names:
  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
  `Gnomovision' (which makes passes at compilers) written by James Hacker.
  <signature of Ty Coon>, 1 April 1989
  Ty Coon, President of Vice
 This General Public License does not permit incorporating your program into
 proprietary programs.  If your program is a subroutine library, you may
 consider it more useful to permit linking proprietary applications with the
 library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.
--- a/LICENSES/GLIBC-COPYING.LIB
+++ b/LICENSES/GLIBC-COPYING.LIB
@ -0,0 +1,502 @@
                  GNU LESSER GENERAL PUBLIC LICENSE
                       Version 2.1, February 1999
 Copyright (C) 1991, 1999 Free Software Foundation, Inc.
 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
 [This is the first released version of the Lesser GPL.  It also counts
 as the successor of the GNU Library Public License, version 2, hence
 the version number 2.1.]
                            Preamble
  The licenses for most software are designed to take away your
 freedom to share and change it.  By contrast, the GNU General Public
 Licenses are intended to guarantee your freedom to share and change
 free software--to make sure the software is free for all its users.
  This license, the Lesser General Public License, applies to some
 specially designated software packages--typically libraries--of the
 Free Software Foundation and other authors who decide to use it.  You
 can use it too, but we suggest you first think carefully about whether
 this license or the ordinary General Public License is the better
 strategy to use in any particular case, based on the explanations below.
  When we speak of free software, we are referring to freedom of use,
 not price.  Our General Public Licenses are designed to make sure that
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  To protect your rights, we need to make restrictions that forbid
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                  GNU LESSER GENERAL PUBLIC LICENSE
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    Copyright (C) <year>  <name of author>
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    This library is distributed in the hope that it will be useful,
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 Also add information on how to contact you by electronic and paper mail.
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  library `Frob' (a library for tweaking knobs) written by James Random Hacker.
  <signature of Ty Coon>, 1 April 1990
  Ty Coon, President of Vice
 That's all there is to it!
--- a/LICENSES/README.md
+++ b/LICENSES/README.md
@ -0,0 +1,8 @@
 ## LICENSES
 ### Dorne
 Dorne is licensed under the GPLv3 copyleft license [`LICENSE`](../LICENSE).
 ### Modifications
 Dorne makes use of modified functions from the GNU C Library which
 are licensed under [`LICENSES/GLIBC-COPYING`](GLIBC-COPYING),
 [`LICENSES/GLIBC-COPYING.LIB`](GLIBC-COPYING.LIB), and [`LICENSES/UC-LICENSE`](UC-LICENSE).
--- a/LICENSES/UC-LICENSE
+++ b/LICENSES/UC-LICENSE
@ -0,0 +1,24 @@
 Copyright (c) 1990, 1993
 The Regents of the University of California.  All rights reserved.
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.
 4. Neither the name of the University nor the names of its contributors
   may be used to endorse or promote products derived from this software
   without specific prior written permission.
 THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 SUCH DAMAGE.
--- a/45
+++ b/45
@ -5,34 +5,49 @@ include config.mk
 # === BUILD ENVIRONMENT ===
 BIN := bin
 BUILD := build
 LIB := lib
-# Macro definitions
+LIB := lib
-define mkbin
+CLI := cli
-$(addprefix $(BIN)/,$1)
+
 # === MACRO DEFINITIONS ===
 define objpath
 $(addprefix $(BUILD)/,
 	$(addsuffix .o,
 		$(basename $(1))))
 endef
-define mkbuild
+define mkobj
-$(addprefix $(BUILD)/,$1)
+$(foreach DEP, $?,
-endef
+	mkdir -p $(dir $(call objpath, $(DEP)))
-define mklib
+	$(CC) $(CFLAGS) -o $(call objpath, $(DEP)) -c $(DEP))
-$(addprefix $(LIB)/,$1)
+
 $(LD) -r $(LDFLAGS) -o $@ $(call objpath, $?)
 endef
 # === BUILD TARGETS ===
-all: $(BUILD) $(BIN) $(call mkbin,pw-test graph sine)
+all: $(BUILD) $(BIN) $(addprefix $(BIN)/,pw-test shfx dorne)
-$(BIN)/pw-test: $(call mklib, main.c)
+$(BIN)/pw-test: $(addprefix $(LIB)/, main.c)
-	$(CCOMPILER) $(CFLAGS) -o $(BUILD)/pw-test.o -c $^
+	$(CC) $(CFLAGS) -o $(BUILD)/pw-test.o -c $^
-	$(CLINKER) $(LDFLAGS) -o $@ $(BUILD)/pw-test.o
+	$(CLD) $(CLDFLAGS) -lpipewire-0.3 -o $@ $(BUILD)/pw-test.o
 $(BIN)/dorne: $(addprefix $(BUILD)/,dorne.o cursetree.o)
 	$(CLD) $(CLDFLAGS) -lncurses -o $@ $^
 $(BUILD) $(BIN):
 	mkdir -p $@
 $(BUILD)/dorne.o: $(addprefix $(CLI)/, main.c)
 	$(mkobj)
 $(BUILD)/cursetree.o: $(addprefix $(CLI)/, tree.c curse.c)
 	$(mkobj)
 $(BUILD)/epty.o: $(addprefix $(CLI)/, child.c epty.c _pty.c)
 	$(mkobj)
 # === DEVELOPMENT TARGETS ===
 .PHONY: debug run test
 debug:
-	$(MAKE) all                         \
+	$(MAKE) all                          \
 		CFLAGS="$(CFLAGS) $(CFLAGS_DBG)"  \
-		LDFLAGS="$(LDFLAGS) $(LDFLAGS_DBG)"
+		CLDFLAGS="$(CLDFLAGS) $(CLDFLAGS_DBG)"
 run: debug
 	- command $(BIN)/pw-test
 test: clean run
--- a/TODO.md
+++ b/TODO.md
@ -0,0 +1,12 @@
 - [X] Use /dev/ptmx, to get ptmx (master) and pts (slave) file descriptors,
 then fork and exec shfx as child (+ close ptmx), then close pts as parent.
 >[!NOTE]
 > Use `termios(3)` to enable raw mode (implemented in `cursed.c`) (for the slave or master?)
 - [ ] Implement a SIGCHLD handler instead of using `waitpid` in `killchild()`, see 2nd example in `man wait(3p)`
 - [ ] Use threads to launch `killchild` to avoid blocking, then just join all the threads using atexit()
 - [ ] Should I compile ncurses with --with-pthread? (see `man 3x ncurses`)
      What about --enable-widec? (are these just ligatures?)
--- a/cli/_pty.c
+++ b/cli/_pty.c
@ -0,0 +1,177 @@
 /* WARNING: The mkpty(), forkmkpty(), & bindpty() functions are based on
 * WARNING: the glibc openpty(), forkpty(), & login_tty() functions respectively.
 * WARNING:
 * WARNING: The GNU C Library's COPYING & COPYING.LIB licenses are available at
 * WARNING: LICENSES/GLIBC-COPYING & LICENSES/GLIBC-COPYING.LIB in this repo.
 * WARNING:
 * WARNING: login_tty() maintains the original University of California license
 * WARNING: available at LICENSES/UC-LICENSE in this repo.
 */
 /* _XOPEN_SOURCE unlocks <stdlib.h> pty/ptmx/pts declarations. */
 #define _XOPEN_SOURCE 600
 /* _GNU_SOURCE unlocks the ptsname_r declaration*/
 #define _GNU_SOURCE
 #include <fcntl.h>
 #include <stdlib.h>
 #include <asm/termbits.h>  /* TIOC* constants */
 #include <sys/ioctl.h>
 #include "_pty.h"
 /* Allocate PTY master and slave file descriptors.
 * errno will have been set if newpty() fails.
 *
 * NOTE: This function is my alternative to GLibC's
 * NOTE: openpty() function. It exists as a learning resource.
 * REF: https://sourceware.org/git/glibc.git -> ./login/openpty.c
 */
 int mkpty(int *fdmx, int *fds) {
  int _fdmx = -1, _fds = -1;
  char sname[TTYNAME_MAX];  
  // Configure PTY master (file descriptor)
  _fdmx = posix_openpt(O_RDWR | O_NOCTTY);
  if (_fdmx == -1)
    return EXIT_FAILURE;
  if (grantpt(_fdmx))
    goto fail;
  if (unlockpt(_fdmx))
    goto fail;
 #ifdef TIOCGPTPEER
  /* Try to allocate slave fd solely based on PTMX fd first. */
  _fds = ioctl(_fdmx, TIOCGPTPEER, O_RDWR | O_NOCTTY);
 #endif
  if (_fds == -1) {
    /* Fallback to path-based slave fd allocation
     * (if the kernel doesn't support TIOCGPTPEER, ie Linux <4.13) */
    if(ptsname_r(_fdmx, sname, sizeof(sname)))
      goto fail;
    _fds = open(sname, O_RDWR | O_NOCTTY);
    if (_fds == -1)
      goto fail;
  }
  /* Propagate file descriptors via parameters */
  *fdmx = _fdmx;
  *fds = _fds;
  return EXIT_SUCCESS;
 fail:
  if (_fdmx == -1) {
    close(_fdmx);
    if (_fds == -1)
      close(_fds);
  }
  return EXIT_FAILURE;
 }
 /* Set fdty as the controlling terminal for the calling process.
 * Returns 0 on success, and 1 on failure.
 * NOTE: This function is my alternative to GLibC's
 * NOTE: login_tty() function. It exists as a learning resource.
 * REF: https://sourceware.org/git/glibc.git -> ./login/login_tty.c
 */
 static inline int setctty(const int fdty) {  
  /* We assume any kernel compiling this defines TIOCSCTTY,
   * otherwise this implementation won't exactly work... */
  return (ioctl(fdty, TIOCSCTTY, 0) != -1);
 }
 /* Bind fdty (terminal fd) to stdin/stdout/stderr for the calling process. 
 * This functions blocks until the EBUSY (see `man dup2`) race condition lifts.
 * NOTE: This function is my alternative to GLibC's
 * NOTE: login_tty() function. It exists as a learning resource.
 * WARNING: This function maintains the original University of California
 * WARNING: LICENSE (1990-1993) as per glibc.git:/login/login_tty.c
 * WARNING: available at LICENSES/UC-LICENSE in this repo.
 * REF: https://sourceware.org/git/glibc.git -> ./login/login_tty.c
 */
 void bindpty(const int fdty) {
  /* Adjust stdin/stdout/stderr to refer to fd*/
  BIND(fdty, STDIN_FILENO);
  BIND(fdty, STDOUT_FILENO);
  BIND(fdty, STDERR_FILENO);
  if (fdty > 2)
    close(fdty);
 }
 /* Allocate a PTY and fork, giving ptmx (master) to the parent
 * and binding the child's stdin/stdout/stderr to pts (slave).
 * Return value is indentical to fork(2).
 * NOTE: This function is my alternative to GLibC's
 * NOTE: forkpty() function. It exists as a learning resource.
 * REF: https://sourceware.org/git/glibc.git -> ./login/forkpty.c
 */
 pid_t forkmkpty(int *fdmx) {
  int _fdmx, fds;
  pid_t pid;
  if (mkpty(&_fdmx, &fds))
    return EXIT_FAILURE;
  switch (pid = fork()) {
  case -1:
    close(_fdmx);
    close(fds);
    return -1;    
  case 0:
    /* Child Process */
    close(_fdmx);
    setctty(fds);
    bindpty(fds);
    break;
  default:
    /* Parent Process */
    close(fds);
    // propagate ptmx (master) fd
    *fdmx = _fdmx;
    break;
  }
  /* Both Processes */
  return pid;
 }
 /* Set pseudoterminal slave's window size.
 * Returns 0 on success, and fails with -1 if the kernel doesn't
 * implement this, or 1 for general errors (errno will be set).
 * NOTE: Typically this is part of a glibc openpty() call.
 */
 int setptsxy(const unsigned short rows, const unsigned short cols, const int fds) {
 #ifndef TIOCSWINSZ
  /* Fail if kernel doesn't support TIOCSWINSZ. */
  return -1;
 #else
  struct winsize win = {
    .ws_row = rows,
    .ws_col = cols,
  };
  if (ioctl(fds, TIOCSWINSZ, &win) == -1)
    return EXIT_FAILURE;
  return EXIT_SUCCESS;
 #endif /* TIOCSWINSZ */
 }
 /* Get pseudoterminal slave's window size.
 * Returns 0 on success, and fails with -1 if the kernel doesn't
 * implement this, or 1 for general errors (errno will be set).
 */
 int getptsxy(unsigned short *rows, unsigned short *cols, const int fds) {
 #ifndef TIOCGWINSZ
  /* Fail if kernel doesn't support TIOCGWINSZ. */
  return -1;
 #else
  struct winsize win = (struct winsize){ 0 };
  if (ioctl(fds, TIOCGWINSZ, &win) == -1)
    return EXIT_FAILURE;
  *rows = win.ws_row;
  *cols = win.ws_col;
  return EXIT_SUCCESS;
 #endif /* TIOCGWINSZ */
 }
--- a/cli/_pty.h
+++ b/cli/_pty.h
@ -0,0 +1,30 @@
 #ifndef DORNE_MKPTY_H
 #define DORNE_MKPTY_H
 #include <errno.h>
 #include <limits.h>
 #include <sys/types.h>
 #include <unistd.h>
 #ifdef PATH_MAX
 #define TTYNAME_MAX PATH_MAX
 #else
 #define TTYNAME_MAX 512
 #endif /* PATH_MAX */
 #define BIND(fdsrc, fddst)                                                     \
  while (dup2(fdsrc, fddst) == -1 && errno == EBUSY)                           \
    ;
 /* Custom implementation of glibc::openpty() */
 int mkpty(int *fdmx, int *fds);
 /* Custom implementation of glibc::login_tty() */
 void bindpty(const int fdty);
 /* Custom implementation of glibc::forkpty() */
 pid_t forkmkpty(int *fdmx);
 int setptsxy(const unsigned short rows, const unsigned short cols,
             const int fds);
 int getptsxy(unsigned short *rows, unsigned short *cols, const int fds);
 #endif /* DORNE_MKPTY_H */
--- a/cli/child.c
+++ b/cli/child.c
@ -0,0 +1,63 @@
 #include <signal.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <sys/wait.h>
 #include "child.h"
 #include "epty.h"
 /* SIGTERM grace period before a child is sent SIGKILL.
 * Value is in microseconds (us), 1000us = 1ms */
 #define CHILD_GRACE_US 100000
 /* Check if a child is still alive by pid
 * by kill(3p) sending a null signal (0).
 */
 static int is_alive(struct d_child *child) {
  return (kill(child->pid, 0) == 0);
 }
 /* Force a child to die, first by sending SIGTERM, otherwise SIGKILL.
 * NOTE: killchild() ASSUMES the child is LIVING at the start.
 * NOTE: Keep this in mind when threading!
 */
 void killchild(struct d_child *child) {
  int stat;
  /* Request Death */
  kill(child->pid, SIGTERM);
  usleep(CHILD_GRACE_US);
  /* Force Death */
  if (is_alive(child))  
    kill(child->pid, SIGKILL);
  /* Reap */
  waitpid(child->pid, &stat, 0);
 }
 /* Fork to spawn a child process running bin/shfx in an "epty".
 */
 int spawnchild(struct d_child *child) {
  *child = (struct d_child){ 0 };
  /* fork(2) and allocate an "error-piped pseudoterminal" (epty) */
  switch (child->pid = forkepty(&child->fdmx, &child->fderr)) {
  case -1:
    perror("forkepty");
    return EXIT_FAILURE;
  case 0:
    char *args[] = {"shfx", NULL};
    execvp("shfx", args);
    perror("execvp");
    exit(1);
  default:
    usleep(1000);
    char bufout[10];
    bufout[9] = '\0';
    read(child->fdmx, bufout, 9);
    printf("child stdout: \"%s\"\n", bufout);
    break;
  }
  return EXIT_SUCCESS;
 }
--- a/cli/child.h
+++ b/cli/child.h
@ -0,0 +1,14 @@
 #ifndef DORNE_CHILD_H
 #define DORNE_CHILD_H
 #include <unistd.h>
 struct d_child {
  pid_t pid;
  int fdmx; /* PTY master fd (read/write) */
  int fderr; /* child's stderr (readonly) */
 } __attribute__((packed, aligned(4)));
 int spawnchild(struct d_child *child);
 #endif /* DORNE_CHILD_H */
--- a/cli/curse.c
+++ b/cli/curse.c
@ -0,0 +1,114 @@
 #include <locale.h>
 #include <unistd.h>
 #include "curse.h"
 #define BASE_DELAY 1000000
 #define CRS_LOCALE "en_US.UTF-8"
 /* Set ncurses terminal mode (buffering, character processing,
 * Key->SIG handling, and other termios(3) functionality).
 */
 int termmode(const enum crs_termmode mode) {
  switch (mode) {
  case TMODE_CBREAK:
    return cbreak();
  case TMODE_RAW:
    return raw();
  case TMODE_NOCBREAK:
    return nocbreak();
  case TMODE_NORAW:
    return noraw();
  default:
    /* defaulting is not possible. */
    return 1;
  }
 }
 /* Apply a default IO configuration for an ncurses WINDOW.
 */
 static inline void __conf_window(WINDOW *const win) {
  nodelay(win, TRUE); // getch(3x) nonblocking IO
  keypad(win, TRUE);  // allow function keys
  // intrflush(3x) - flush terminal input buffer on interrupt key
  intrflush(win, FALSE);
 }
 /* Initialise ncurses for our usecase.
 * WARNING: This function should only be called once.
 */
 void init_ncurses(void) {
  // ncurses expects a locale for consistent behaviour
  setlocale(LC_ALL, CRS_LOCALE);
  /* NCurses Init */
  initscr();
  __conf_window(stdscr);
  start_color();
  /* Screen Configuration */
  termmode(TMODE_CBREAK);
  noecho(); // manually echo from getch(3x)
  curs_set(0); // hide cursor
 }
 /* Initialise (with default IO configuration) a new ncurses WINDOW.
 */
 WINDOW *new_window(const int x, const int y, const int width,
                   const int height) {
  WINDOW *win = newwin(height, width, y, x);
  __conf_window(win);
  return win;
 }
 /* Initialise (with default IO configuration) the root ncurses WINDOW.
 * NOTE: This is typically done via initscr(3x) and called "stdscr".
 */
 WINDOW *root_window(void) {
  WINDOW *rootwin = new_window(0, 0, COLS, LINES);
  __conf_window(rootwin);
  return rootwin;
 }
 /* Resize and move (if resized successfully) an ncurses WINDOW.
 * Returns ERR (1) on fail, and OK (0) on success.
 * NOTE: Failure occurs if width or height <= 0,
 * NOTE: or if the x,y coordinate is outside the screen bounds.
 */
 int resizemv_window(const int x, const int y, const int width, const int height,
                    WINDOW *const win) {
  return wresize(win, height, width) || mvwin(win, y, x);
 }
 /*
 int main(const int argc, const char *const argv[]) {
  init_ncurses();
  WINDOW *stdscr = new_window(0, 0, 0, 0);
  // Set background
  wbkgd(stdscr, COLOR_PAIR(1));
  attron(COLOR_PAIR(1));
  attron(A_BOLD);
  int counter = 0;
  while (1) {
    mvprintw(0, 0, "COUNTER %d", counter++);
    refresh();
    switch (getch()) {
    case 'q':
      goto end;
    default:
      break;
    }
    usleep(BASE_DELAY);
  }
 end:
  endwin();
  return 0;
 }
 */
--- a/cli/curse.h
+++ b/cli/curse.h
@ -0,0 +1,27 @@
 #ifndef DORNE_CURSE_H
 #define DORNE_CURSE_H
 /* libncurses with wide-character support. */
 #include <ncursesw/ncurses.h>
 enum crs_termmode {
  /* tty cbreak mode */
  TMODE_CBREAK,
  /* tty raw mode */
  TMODE_RAW,
  /* tty cooked mode (ISIG & IXON not modified)*/
  TMODE_NOCBREAK,
  /* tty cooked mode (ISIG & IXON set) */
  TMODE_NORAW,
 };
 int termmode(const enum crs_termmode mode);
 void init_ncurses(void);
 WINDOW *new_window(const int x, const int y, const int width, const int height);
 WINDOW *root_window(void);
 int resizemv_window(const int x, const int y, const int width, const int height,
                    WINDOW *const win);
 #endif /* DORNE_CURSE_H */
--- a/cli/epty.c
+++ b/cli/epty.c
@ -0,0 +1,45 @@
 #include <stdlib.h>
 #include "_pty.h"
 #define PIPE_READ 0
 #define PIPE_WRITE 1
 /* Allocate a PTY and fork, giving fdmx (master) to the parent
 * and binding the child's stdin/stdout to fds (slave).
 * Return value is indentical to fork(2).
 * NOTE: This function is my alternative to GLibC's
 * NOTE: forkpty() function. It exists as a learning resource.
 * REF: https://sourceware.org/git/glibc.git -> ./login/forkpty.c
 */
 pid_t forkepty(int *fdmx, int *fderr) {
  // master/slave, and stderr pipe fds
  int epipe[2];
  pid_t pid;
  if (pipe(epipe) == -1)
    return EXIT_FAILURE;
  switch (pid = forkmkpty(fdmx)) {
  case -1:
    /* forkmkpty() will close fdmx/fds for us */
    close(epipe[PIPE_READ]);
    close(epipe[PIPE_WRITE]);
    return -1;
  case 0:
    /* Child Process */
    /* forkmkpty() will close fdmx for us */
    close(epipe[PIPE_READ]);
    BIND(epipe[PIPE_WRITE], STDERR_FILENO);
    break;
  default:
    /* Parent Process */
    /* forkmkpty() will close fds for us */
    close(epipe[PIPE_WRITE]);
    *fderr = epipe[PIPE_READ];
    break;
  }
  /* Both Processes */
  return pid;
 }
--- a/cli/epty.h
+++ b/cli/epty.h
@ -0,0 +1,8 @@
 #ifndef DORNE_EPTY_H
 #define DORNE_EPTY_H
 #include <sys/types.h>
 pid_t forkepty(int *fdmx, int *fderr);
 #endif /* DORNE_EPTY_H */
--- a/cli/main.c
+++ b/cli/main.c
@ -0,0 +1,82 @@
 #include <fcntl.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <ncursesw/ncurses.h>
 // #include "child.h"
 #include "curse.h"
 #include "tree.h"
 // struct d_window {
 //   int ptmx; // fd
 // };
 // struct d_window new_window() {
 //   struct d_window w = {
 //     .ptmx = posix_openpt(O_RDWR | O_NOCTTY),
 //   };
 // }
 int main(int argc, char **argv) {
  // struct d_child child;
  // spawnchild(&child);
  struct crs_tree *tree;
  init_tree(&tree);
  init_pair(1, COLOR_CYAN, COLOR_CYAN);
  init_pair(2, COLOR_RED, COLOR_RED);
  init_pair(3, COLOR_MAGENTA, COLOR_MAGENTA);
  init_pair(4, COLOR_YELLOW, COLOR_YELLOW);
  init_pair(5, COLOR_GREEN, COLOR_GREEN);
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  /* BUG TODO : PROGRAM SHITS ITSELF IF RATIO MAKES WIDTH/HEIGHT 0, MAYBE CLAMP? : TODO BUG*/
  bifurcate_window_node(&tree->root, AXIS_X, FALSE, 0.5);
  bifurcate_window_node(&tree->root->child[0], AXIS_X, FALSE, 0.05);
  bifurcate_window_node(&tree->root->child[1], AXIS_Y, FALSE, 0.7);
  bifurcate_window_node(&tree->root->child[1]->child[1], AXIS_X, FALSE, 0.9);
  wbkgd(tree->root->child[0]->child[0]->win, COLOR_PAIR(5));
  wbkgd(tree->root->child[0]->child[1]->win, COLOR_PAIR(3));
  wbkgd(tree->root->child[1]->child[0]->win, COLOR_PAIR(2));
  wbkgd(tree->root->child[1]->child[1]->child[0]->win, COLOR_PAIR(1));
  wbkgd(tree->root->child[1]->child[1]->child[1]->win, COLOR_PAIR(4));
  wrefresh(tree->root->child[0]->child[0]->win);
  wrefresh(tree->root->child[0]->child[1]->win);
  wrefresh(tree->root->child[1]->child[0]->win);
  wrefresh(tree->root->child[1]->child[1]->child[0]->win);
  wrefresh(tree->root->child[1]->child[1]->child[1]->win);
  /* NOTE : THIS IS VALID : NOTE */
  // refresh();
  // WINDOW *my_win = newwin(0, 0, 0, 0);
  // wbkgd(my_win, COLOR_PAIR(1));
  // wrefresh(my_win);
  /* NOTE : THIS IS VALID : NOTE */
  // wbkgd(tree->root->win, COLOR_PAIR(2));
  // wrefresh(tree->root->win);
  while (1) {
    // refresh();
    usleep(100000);
  }
  destroy_tree(tree);
  // endwin();
  // free(tree);
  return EXIT_SUCCESS;
 }
--- a/cli/tree.c
+++ b/cli/tree.c
@ -0,0 +1,245 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
 #include "curse.h"
 #include "tree.h"
 /* Internal allocator method for crs_node structures.
 */
 static inline struct crs_node *__alloc_node(const enum crs_nodetype type) {
  struct crs_node *node = (struct crs_node *)malloc(sizeof(struct crs_node));
  node->type = type;
  return node;
 }
 /* Construct a new window node (crs_node of type NODE_WIN).
 */
 static struct crs_node *init_window_node(WINDOW *const win) {
  struct crs_node *node = __alloc_node(NODE_WINDOW);
  node->win = win;
  return node;
 }
 static struct crs_node *auto_window_node(const struct crs_nodedims *dims) {
  WINDOW *win = newwin(dims->height, dims->width, dims->y, dims->x);
  return init_window_node(win);
 }
 static struct crs_node *init_abstract_node(struct crs_node *node0,
                                           struct crs_node *node1,
                                           const enum crs_axis axis,
                                           const float ratio,
                                           struct crs_nodedims *dims) {
  struct crs_node *node = __alloc_node(NODE_ABSTRACT);
  node->axis = axis;
  node->ratio = ratio;
  node->dims = dims;
  node->child[0] = node0;
  node->child[1] = node1;
  return node;
 }
 static void destroy_node(struct crs_node *node) {
  if (node->type == NODE_WINDOW) {
    /* Window Node */
    delwin(node->win);
    goto end;
  }
  /* Abstract Node */
  assert(node->type == NODE_ABSTRACT);
  destroy_node(node->child[0]);
  destroy_node(node->child[1]);
  free(node->dims);
 end:
  free(node);
 }
 static inline struct crs_nodedims *__dup_dims(const struct crs_nodedims *dims) {
  struct crs_nodedims *dup;
  dup = (struct crs_nodedims *)malloc(sizeof(struct crs_nodedims));
  memcpy(dup, dims, sizeof(struct crs_nodedims));
  return dup;
 }
 static struct crs_nodedims *get_dims(const struct crs_node *node) {
  struct crs_nodedims *dims;
  if (node->type == NODE_WINDOW) {
    /* Window Node */
    dims = (struct crs_nodedims *)malloc(sizeof(struct crs_nodedims));
    // GET_WNODEDIMS();
    getbegyx(node->win, dims->y, dims->x);
    getmaxyx(node->win, dims->height, dims->width);
    printf("getx: %d\n", dims->x);
    printf("gety: %d\n", dims->y);
    printf("getwidth: %d\n", dims->width);
    printf("getheight: %d\n", dims->height);
  } else {
    /* Abstract Node */
    assert(node->type == NODE_ABSTRACT);
    dims = __dup_dims(node->dims);
  }
  return dims;
 }
 struct crs_nodedims term_dims(void) {
  struct crs_nodedims dims;
  getbegyx(stdscr, dims.y, dims.x);
  getmaxyx(stdscr, dims.height, dims.width);
  return dims;
 }
 /* Calculate the dimensions for nodes resulting from a bifurcation.
 * Returns 0 on success, and 1 on failure if any width/height are 0 characters.
 * WARNING: This function does not guarantee the x,y positions returned
 * WARNING: are valid screen coordinates.
 */
 static int bifurcate_dims(const struct crs_node *parent,
                          const enum crs_axis axis, const float ratio,
                          struct crs_nodedims **dims0,
                          struct crs_nodedims **dims1) {
  assert(0 < ratio && ratio < 1);
  struct crs_nodedims *_dims0, *_dims1;
  _dims0 = get_dims(parent);
  _dims1 = __dup_dims(_dims0);
  printf("widthP: %d\n", _dims0->width);
  printf("heightP: %d\n", _dims0->height);
  if (axis == AXIS_X) {
    _dims0->width *= ratio;
    _dims1->width -= _dims0->width;
    _dims1->x += _dims0->width;
  } else {
    _dims0->height *= ratio;
    _dims1->height -= _dims0->height;
    _dims1->y += _dims0->height;
  }
  if (!_dims0->width || !_dims0->height || !_dims1->width || !_dims1->height) {
    printf("width0: %d\n", _dims0->width);
    printf("height0: %d\n", _dims0->height);
    printf("width1: %d\n", _dims1->width);
    printf("height1: %d\n", _dims1->height);
    return 1;
  }
  // propagate bifurcated dimensions
  *dims0 = _dims0;
  *dims1 = _dims1;
  return 0;
 }
 static void resize_node(struct crs_node *node, struct crs_nodedims *new_dims) {
  if (node->type == NODE_WINDOW) {
    /* Window Node */
    resizemv_window(new_dims->x, new_dims->y, new_dims->width, new_dims->height,
                    node->win);
    free(new_dims);
  } else {
    /* Abstract Node */
    assert(node->type == NODE_ABSTRACT);
    struct crs_nodedims *dims0, *dims1;
    free(node->dims);
    node->dims = new_dims;
    bifurcate_dims(node, node->axis, node->ratio, &dims0, &dims1);
    resize_node(node->child[0], dims0);
    resize_node(node->child[1], dims1);
  }
 }
 /* Subdivide a window node's allocated region into two window nodes
 * replacing the original node with an abstract node.
 * Parameters:
 *   axis   - controls which direction the subdivision occurs
 *   invert_axis - invert index of the original node in the new abstract node
 */
 void bifurcate_window_node(struct crs_node **node, const enum crs_axis axis,
                           const int invert_axis, const float ratio) {
  assert((*node)->type == NODE_WINDOW);
  struct crs_nodedims *dims0, *dims1;
  struct crs_node *node0, *node1;
  if (bifurcate_dims(*node, axis, ratio, &dims0, &dims1)) {
    printf("FAILED TERRIBLY THE FUCK\n");
    exit(1);
    return;
  }
  if (invert_axis) {
    /* Inverted Bifurcation */
    node0 = auto_window_node(dims0);
    node1 = *node;
    resize_node(node1, dims1);
  } else {
    /* Non-Inverted Bifurcation */
    node0 = *node;
    node1 = auto_window_node(dims1);
    resize_node(node0, dims0);
  }
  *node = init_abstract_node(node0, node1, axis, ratio, (*node)->dims);
 }
 /* Collapse an abstract node, killing one child node and resizing
 * the other to take its place.
 */
 static void collapse_abstract_node(struct crs_node **node,
                                   const int collapse_i) {
  assert((*node)->type == NODE_ABSTRACT);
  assert(0 <= collapse_i && collapse_i < NODE_CHILD_N);
  // WARNING: only works for NODE_CHILD_N=2 (binary trees)
  destroy_node((*node)->child[!collapse_i]);
  struct crs_node *collapse_target = (*node)->child[collapse_i];
  free(*node);
  *node = collapse_target;
 }
 /*
 */
 static struct crs_node *init_root_node(void) {
  struct crs_nodedims rootdims;
  WINDOW *rootwin;
  // rootdims = term_dims();
  // rootwin = new_window(rootdims.x, rootdims.y,
  //                      rootdims.height, rootdims.height);
  // rootwin = new_window(0, 0, 0, 0);
  rootwin = root_window();
  return init_window_node(rootwin);
 }
 int init_tree(struct crs_tree **const tree) {
  *tree = (struct crs_tree *)malloc(sizeof(struct crs_tree));
  /* Initialise NCurses Library & Standard Screen */
  init_ncurses();
  (*tree)->root = init_root_node();
  // (*tree)->root = __alloc_node(NODE_WINDOW);
  // crs_init(&(*tree)->root->win);
  return EXIT_SUCCESS;
 }
 void destroy_tree(struct crs_tree *const tree) {
  /* WARNING: is it ok to delwin(stdscr) ?? */
  destroy_node(tree->root);
  endwin();
  free(tree);
 }
 void resize_tree(struct crs_tree *const tree, struct crs_nodedims *const dims) {
  resize_node(tree->root, dims);
 }
--- a/cli/tree.h
+++ b/cli/tree.h
@ -0,0 +1,61 @@
 #ifndef DORNE_TREE_H
 #define DORNE_TREE_H
 #ifndef __NCURSES_H
 typedef struct _win_st WINDOW;
 #endif /* __NCURSES_H */
 #define NODE_CHILD_N 2
 /* MACRO:
 * Get widnow node start x,y coordinates, width, & height.
 * void NODEDIMS(struct crs_node *node, struct crs_nodedims dims);
 */
 #define GET_WNODEDIMS(dims, node)                                              \
  (getbegyx((node)->win, dims.y, dims.x));                                     \
  getmaxyx((node)->win, dims.y, dims.x)
 enum crs_nodetype {
  NODE_WINDOW,
  NODE_ABSTRACT,
 };
 /* Stores a node's starting x,y coordinates, width, & height.
 * NOTE: Intended for interfunction communication.
 */
 struct crs_nodedims {
  int x, y, width, height;
 };
 enum crs_axis {
  AXIS_X,
  AXIS_Y,
 };
 struct crs_node {
  enum crs_nodetype type;
  // union value depends on crs_node.type
  union {
    WINDOW *win;
    struct {
      enum crs_axis axis;
      float ratio;
      struct crs_nodedims *dims;
      struct crs_node *child[NODE_CHILD_N];
    };
  };
 };
 struct crs_tree {
  struct crs_node *root;
 };
 /* === External Interface === */
 int init_tree(struct crs_tree **const tree);
 void destroy_tree(struct crs_tree *const tree);
 void resize_tree(struct crs_tree *const tree, struct crs_nodedims *const dims);
 void bifurcate_window_node(struct crs_node **node, const enum crs_axis axis,
                           const int invert_axis, const float ratio);
 #endif /* DORNE_TREE_H */
--- a/config.mk
+++ b/config.mk
@ -1,13 +1,13 @@
 # === C Compiler Configuration ===
 CC := gcc
 # CCOMPILER = $$([ -x "$$(command -v bear)" ] && echo 'bear -- ') $(CC)
 CCOMPILER = $(CC)
 CFLAGS := -Wall -Wextra -std=gnu23 -O
 CFLAGS_DBG := -g
 # === C Linker Configuration ===
-CLINKER = $(CC)
+LD := ld
-LDFLAGS := -lpipewire-0.3 -lm -lc
+CLD = $(CC)
 LDFLAGS :=
 CLDFLAGS := -lm -lc
 LDFLAGS_DBG := -g
 # # === Nix Mutations ===
--- a/lib/cursed.c
+++ b/lib/cursed.c
@ -0,0 +1,94 @@
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include "cursed.h"
 #include "termios.h"
 struct s_state *glstate;
 PRIVATE inline int termenable(struct s_state *st) {
  struct termios term;
  // if (!st)
  //   return 1;
  if (ioctl(0, TCGETS, &term) == -1)
    return 1;
  memcpy(&st->term, &term, sizeof(struct termios));
  // control characters
  // term.c_cc[VMIN] = 1;
  // term.c_cc[VTIME] = 0;
  // io flags
  term.c_iflag &= ~(IXON | INPCK | ICRNL | ISTRIP | BRKINT);
  term.c_oflag &= ~(OPOST); // disable post-processing (using \r\n manually now)
  term.c_cflag |= (CS8);
  // misc flags
  term.c_lflag &= ~(ECHO | ICANON | IEXTEN);
  if (ioctl(0, TCSETS, &term))
    return 1;
  // unbuffer stdin
  // if (setvbuf(stdin, NULL, _IOLBF, 0))
  //   return 1;
  return 0;
 }
 PRIVATE inline int termdisable(struct s_state *st) {
  if (!st)
    return 1;
  if (ioctl(0, TCSETS, &st->term))
    return 1;
  return 0;
 }
 PRIVATE struct s_framebuffer *init_framebuffer(pos cols, pos rows) {
  unsigned long int fbsz, bmsz; // framebuf + bitmap sizes
  struct s_framebuffer *buf;
 }
 PRIVATE struct s_state *init_state(void) {
  struct s_state *st = (struct s_state*)malloc(sizeof(struct s_state));
  if (st == NULL) exit(1); // BUG: WARNING: TODO
  return st;
 }
 PUBLIC _INIT void initlib(void) {
  // atexit(destroylib)
  glstate = init_state();
  termenable(glstate);
  // (volatile void)init_window(glstate, 90, 25);
 }
 PUBLIC _FINI void destroylib(void) {
  // if (glstate != NULL) 
  termdisable(glstate);
 }
 int main(int argc, char **argv) {
  // TODO: use STDIN_FILENO instead for 0
  char c, s[10];
  int pad;
  while (read(STDIN_FILENO, &c, 1) == 1) {
    sprintf(s, "%d", c);
    pad = 3 - strlen(s); // max is 256 (strlen 3)
    printf("0x%.02hhx %s", c, s);
    if (!iscntrl(c)) {
      for (int i=0; i < pad; i++)
        putchar(' ');
      printf(" (%c)", c);
    }
    printf("\r\n");
  }
  return EXIT_SUCCESS;
 }
--- a/lib/cursed.h
+++ b/lib/cursed.h
@ -0,0 +1,41 @@
 #ifndef CURSED_H
 #define CURSED_H
 #include <stdbool.h>
 #include <sys/termios.h>
 #define PACKED __attribute__((packed, aligned(1)))
 #define PUBLIC __attribute((visibility("default")))
 #define PROTECTED __attribute__((visibility("hidden")))
 #define PRIVATE static
 #define _INIT __attribute__((constructor))
 #define _FINI __attribute__((destructor))
 typedef unsigned char uid;      // >=  8B
 typedef unsigned short int pos; // >= 16B
 struct s_framebuffer {
  pos *buf; // framebuffer
  bool bitmap[];
 } PACKED;
 struct s_window {
  uid id;
  pos cols;
  pos rows;
  struct s_framebuffer frame;
  pos x;
  pos y;
 } PACKED;
 struct s_state {
  struct termios term;
 } PACKED;
 // === Public API ===
 PRIVATE struct s_framebuffer *init_framebuffer(pos cols, pos rows);
 PUBLIC struct s_window *init_window(uid id, pos cols, pos rows);
 #endif /* CURSED_H */
--- a/lib/graph.c
+++ b/lib/graph.c
@ -0,0 +1,54 @@
 #include <ncurses.h>
 // void init_colors() {
 //   start_color();
 //   init_pair(1, COLOR_GREEN, COLOR_BLACK);
 //   init_pair(2, COLOR_CYAN, COLOR_BLACK);
 //   init_pair(3, COLOR_MAGENTA, COLOR_BLACK);
 //   init_pair(4, COLOR_YELLOW, COLOR_BLACK);
 // }
 // int main(void) {
 //   initscr();
 //   printw("Goodbye World...");
 //   refresh();
 //   getch();
 //   endwin();
 //   return 0;
 // }
 int main(void) {
  initscr();
  raw();
  // cbreak();
  // noecho();
  // echo();
  // curs_set(0);
  keypad(stdscr, TRUE); // enable F1, F2, etc
  noecho();
  // nodelay(stdscr, TRUE);
  // getmaxyx(stdscr, max_y, max_x);
  // init_colors();
  printw("Type: ");
  refresh();
  int ch;
  while (1) {
    ch = getch();
    if (ch == KEY_F(1)) {
      printw("[!] F1\n");
      break;
    }
    attron(A_BOLD);
    printw("%c", ch);
    attroff(A_BOLD);
    refresh();
    // napms(50);
  }
  endwin();
  return 0;
 }
--- a/lib/graph.h
+++ b/lib/graph.h
@ -0,0 +1,6 @@
 #ifndef DORNE_GRAPH_H
 #define DORNE_GRAPH_H
 #endif /* DORNE_GRAPH_H */
--- a/lib/main.c
+++ b/lib/main.c
@ -1,15 +1,16 @@
 #include <math.h>
 #include <spa/param/audio/format-utils.h>
 #include <pipewire/pipewire.h>
 #define M_PI_M2 (M_PI + M_PI)
 #define DEFAULT_RATE 44100
 #define DEFAULT_PERIOD 1.0 / DEFAULT_RATE
 #define DEFAULT_CHANNELS 2
 #define DEFAULT_VOLUME 0.7
-#define DEFAULT_FREQ 200
+#define DEFAULT_FREQ 500
 #define DEFAULT_ACCUMULATOR -1
@ -18,17 +19,72 @@
 struct data {
  struct pw_main_loop *loop;
  struct pw_stream *stream;
-  double accumulator;
+
-  uint32_t cycle;
+  /*
   */
  double t, tcyc; // global time and cycle time 
  uint32_t frame, cycle;
 };
 #define NEW_DATA (struct data) \
                 {             \
                   .t = 0,     \
                   .tcyc = 0,  \
                   .frame = 0, \
                   .cycle = 0, \
                 }
 typedef int16_t (*snd)(struct data*);
 inline void data_progress(struct data *state) {
  state->t += DEFAULT_PERIOD / DEFAULT_FREQ;
  state->tcyc += DEFAULT_PERIOD / DEFAULT_FREQ;
  if (++state->frame == DEFAULT_FREQ) {
    state->tcyc -= DEFAULT_PERIOD;
    state->frame = 0;
    state->cycle++;
  } 
 }
 int16_t snd_sine(struct data *state) {
  int16_t val;
  /* sin() gives a value between -1.0 and 1.0, we first apply
   * the volume and then scale with 32767.0 to get a 16 bits value
   * between [-32767 32767].
   * Another common method to convert a double to
   * 16 bits is to multiple by 32768.0 and then clamp to
   * [-32768 32767] to get the full 16 bits range. */
  val = sin(state->tcyc * M_PI_M2 * DEFAULT_FREQ) * 32767.0 * DEFAULT_VOLUME;
  return val;
 }
 int graph_snd(snd f, struct data *state, double t_max, FILE *fstream) {
  int16_t val;
  if (fstream == NULL)
    return 1;
  fputs("x, sin(x)\n", fstream);
  while (state->t < t_max) {
    val = f(state);
    fprintf(fstream, "%f, %d\n", state->t, val);
    data_progress(state);
  }
  fclose(fstream);
  return 0;
 }
 /* [on_process] */
 static void on_process(void *userdata) {
  struct data *data = userdata;
  struct pw_buffer *b;
  struct spa_buffer *buf;
-  int i, c, n_frames, stride;
+  int n_frames, stride;
  int16_t *dst, val;
  int i, c;
  if ((b = pw_stream_dequeue_buffer(data->stream)) == NULL) {
    pw_log_warn("out of buffers: %m");
@ -45,19 +101,7 @@ static void on_process(void *userdata) {
    n_frames = SPA_MIN(b->requested, n_frames);
  for (i = 0; i < n_frames; i++) {
-    // data->accumulator += M_PI_M2 * DEFAULT_FREQ / DEFAULT_RATE; // * 440
+    val = snd_sine(data);
    if (data->accumulator++ == DEFAULT_RATE) {
      data->accumulator = DEFAULT_ACCUMULATOR;
      data->cycle++;
    }
    /* sin() gives a value between -1.0 and 1.0, we first apply
     * the volume and then scale with 32767.0 to get a 16 bits value
     * between [-32767 32767].
     * Another common method to convert a double to
     * 16 bits is to multiple by 32768.0 and then clamp to
     * [-32768 32767] to get the full 16 bits range. */
    val = sin(data->accumulator * M_PI_M2 * DEFAULT_FREQ / DEFAULT_RATE) * DEFAULT_VOLUME * 32767.0;
    for (c = 0; c < DEFAULT_CHANNELS; c++)
      *dst++ = val;
  }
@ -75,16 +119,20 @@ static const struct pw_stream_events stream_events = {
    .process = on_process,
 };
-int main(int argc, char *argv[]) {
+int main(int argc, char **argv) {
-  struct data data = {
+  struct data data = NEW_DATA;
      .accumulator = DEFAULT_ACCUMULATOR,
      .cycle = 0,
  };
  const struct spa_pod *params[1];
  uint8_t buffer[1024];
  struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
-  pw_init(&argc, &argv);
+  // DEBUG: check sine wave is actually a sine wave
  FILE *fstream = fopen("sine.txt", "w");
  graph_snd(&snd_sine, &NEW_DATA, DEFAULT_PERIOD, fstream);
  exit(69);
  int pw_argc = 0;
  char **pw_argv = NULL;
  pw_init(&pw_argc, &pw_argv); // pw_init(&argc, &argv);
  data.loop = pw_main_loop_new(NULL);
--- a/lib/sine.c
+++ b/lib/sine.c
@ -0,0 +1,125 @@
 #include <math.h>
 #include <ncurses.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 #define DEFAULT_AMPLITUDE 1
 #define DEFAULT_PERIOD .35
 #define DEFAULT_DELAY_MULTIPLIER 150
 #define BASE_DELAY 100
 // Color count
 #define NUM_COLORS 6
 typedef unsigned short ushort;
 ushort printwave(double amplitude, double period, short phase_shift,
                 ushort color_index) {
  double x;
  for (x = 0.0; x < (COLS + phase_shift); x += 1.0) {
    // Swap color
    color_index += 1;
    attron(COLOR_PAIR((color_index % NUM_COLORS) + 1));
    // Find Y
    double ratio = (2.0 * M_PI) / LINES;
    double y = sin(period * x * ratio);
    y *= amplitude;
    y += LINES / 2;
    // Print cell
    mvprintw((int)(y), (int)(x - phase_shift), " ");
  }
  return color_index;
 }
 int main(int argc, char *argv[]) {
  // Curses init
  WINDOW *screen = initscr();
  start_color();
  nodelay(screen, 1);
  cbreak();
  noecho();
  curs_set(0);
  keypad(screen, TRUE);
  // Color pairs
  init_pair(1, COLOR_RED, COLOR_BLACK);
  init_pair(2, COLOR_GREEN, COLOR_BLACK);
  init_pair(3, COLOR_YELLOW, COLOR_BLACK);
  init_pair(4, COLOR_BLUE, COLOR_BLACK);
  init_pair(5, COLOR_MAGENTA, COLOR_BLACK);
  init_pair(6, COLOR_CYAN, COLOR_BLACK);
  init_pair(7, COLOR_WHITE, COLOR_BLACK);
  attron(A_BOLD);
  attron(A_STANDOUT);
  // Wave attributes
  unsigned char delayx = DEFAULT_DELAY_MULTIPLIER;
  ushort color_index = 0;
  short phase_shift = 0;
  double amplitude = (LINES / 2) * DEFAULT_AMPLITUDE;
  double period = DEFAULT_PERIOD;
  while (1) {
    erase();
    color_index = printwave(amplitude, period, phase_shift, color_index);
    attron(COLOR_PAIR(7));
    mvprintw(0, 0, "PERIOD %.2f", period);
    mvprintw(1, 0, "AMP: %.2f", amplitude);
    mvprintw(2, 0, "PHASE: %d", phase_shift);
    mvprintw(3, 0, "DELAY: x%hu", delayx);
    refresh();
    switch (getch()) {
    case KEY_UP:
    case 'k':
      amplitude += 1.0;
      break;
    case KEY_DOWN:
    case 'j':
      amplitude -= 1.0;
      break;
    case KEY_LEFT:
    case 'h':
      period -= .05;
      break;
    case KEY_RIGHT:
    case 'l':
      period += .05;
      break;
    case ' ':
      phase_shift = 0.0;
      break;
    case '+':
      delayx += 1;
      break;
    case '-':
      delayx -= 1;
      break;
    case 'q':
      endwin();
      return 0;
    default:
      break;
    }
    usleep(BASE_DELAY * delayx);
    phase_shift += 1;
    if (phase_shift * period >= LINES)
      phase_shift = 0;
  }
  endwin();
  return 0;
 }
--- a/scripts/test
+++ b/scripts/test
@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-USAGE='test [[run]-[valgrind]] ...'
+USAGE='test program [[run]-[valgrind]] ...'
 if [[ "$1" =~ help ]]; then
  echo "$USAGE"
  exit 0
@ -10,17 +10,27 @@ MODE=
 REBUILD=true
 VALGRIND=false
 TARGET=all
-if [[ "$1" =~ run.* ]]; then
+PROGRAM="$1"
-  MODE="$1"
+MODE_ARG="$2"
 if [[ ! -x "$PROGRAM" ]]; then
  echo "[!] Invalid program: \"$PROGRAM\""
  echo "$USAGE"
  exit 1
 fi
 if [[ "$MODE_ARG" =~ run.* ]]; then
  MODE="$MODE_ARG"
  REBUILD=false
 fi
-if [[ "$1" =~ .*valgrind ]]; then
+if [[ "$MODE_ARG" =~ .*valgrind ]]; then
-  MODE="$1"
+  MODE="$MODE_ARG"
  VALGRIND=true
  PROXY='valgrind -s --leak-check=full --show-leak-kinds=all'
  TARGET=debug
 fi
 if [[ -n "$MODE" ]]; then
  shift
 fi
@ -29,4 +39,4 @@ fi
 if [[ "$REBUILD" == true ]]; then
  make clean $TARGET
 fi
-LD_LIBRARY_PATH=./lib $PROXY ./cursed $@
+LD_LIBRARY_PATH=./lib $PROXY "$PROGRAM" $@
Author	SHA1	Message	Date
Emile Clark-Boman	d35e200488	fix pipewire linked with everything + rename ilovecurses -> cursetree	2025-09-11 20:50:55 +10:00
Emile Clark-Boman	0fcb8143cf	remove shfx subproject	2025-09-11 20:35:08 +10:00
Emile Clark-Boman	3c2977d76b	BIFURCATION IMPLEMENTED	2025-09-11 19:27:49 +10:00
Emile Clark-Boman	fce84f1844	fix bifurcation AXIS_Y bug	2025-09-11 19:27:02 +10:00
Emile Clark-Boman	79f5c5235a	add term_dims() func	2025-09-11 19:26:28 +10:00
Emile Clark-Boman	f73dbd7d8a	ensure initscr(3x) & use newwin(3x) not stdscr(3x) for root node	2025-09-11 19:24:48 +10:00
Emile Clark-Boman	8c4f288a97	finish bulk of tree.* implementation	2025-09-11 17:41:14 +10:00
Emile Clark-Boman	669f620a6a	add resizemv_window() method to curse.* interface	2025-09-11 17:40:25 +10:00
Emile Clark-Boman	206f1e6a09	comment old curse.c main function	2025-09-11 17:39:49 +10:00
Emile Clark-Boman	1f26441c71	fix bad inline usage	2025-09-11 17:38:31 +10:00
Emile Clark-Boman	a04cc6a6e5	generalise test script	2025-09-11 17:36:10 +10:00
Emile Clark-Boman	2db9e5d141	ignore valgrind artefacts	2025-09-11 17:35:06 +10:00
Emile Clark-Boman	4d7402fa52	add curses.c WINDOW init funcs	2025-09-10 23:05:07 +10:00
Emile Clark-Boman	a55c25d319	separate initscr(3x) wrapper to new function	2025-09-10 22:54:20 +10:00
Emile Clark-Boman	79272e8421	structure dorne cli as a binary tree	2025-09-10 22:49:24 +10:00
Emile Clark-Boman	c3074a75eb	add ncurses wrapper	2025-09-10 22:49:05 +10:00
Emile Clark-Boman	361d63be94	TODO.md --with-pthread question	2025-09-10 22:47:59 +10:00
Emile Clark-Boman	c1e28f2f2e	add child related TODO items	2025-09-10 01:25:52 +10:00
Emile Clark-Boman	2e10e88504	begin simple child process interface	2025-09-10 01:25:34 +10:00
Emile Clark-Boman	8991d8ec04	fix epty includes mkpty.h not _pty.h	2025-09-10 01:24:41 +10:00
Emile Clark-Boman	3f9b404012	simplify Makefile using macros	2025-09-10 01:23:38 +10:00
Emile Clark-Boman	b2f204a2cb	add epty.* to extend _pty.* stdout/stderr independence for child process	2025-09-09 21:07:34 +10:00
Emile Clark-Boman	ac590806bf	rename mkpty.* -> _pty.*	2025-09-09 21:05:42 +10:00
Emile Clark-Boman	d04f14c038	reformat and refactor mkpty.*	2025-09-09 21:03:40 +10:00
Emile Clark-Boman	2893caf8ab	fix mkpty function declarations	2025-09-09 19:43:54 +10:00
Emile Clark-Boman	a1e34376de	begin removing Makefile boilerplate	2025-09-09 19:42:41 +10:00
Emile Clark-Boman	e599801f2e	finish mkpty.c	2025-09-09 17:35:37 +10:00
Emile Clark-Boman	8adc42aabc	add glibc licenses (for next commit)	2025-09-09 17:34:55 +10:00
Emile Clark-Boman	c040219350	dorne GPLv3 license	2025-09-09 17:34:30 +10:00
Emile Clark-Boman	c68fc6de5e	add custom pty interface	2025-09-09 15:43:54 +10:00
Emile Clark-Boman	bd87f194f2	begin shfx (shell f(x)), graphing cli	2025-09-09 15:43:20 +10:00
Emile Clark-Boman	492ec8832c	add TODO.md	2025-09-09 11:46:54 +10:00
Emile Clark-Boman	883361111c	Make now builds graph and sine examples	2025-09-09 11:27:01 +10:00
Emile Clark-Boman	6eb51ef641	example sine ncurses tempalte	2025-09-09 11:26:40 +10:00
Emile Clark-Boman	5a4f75c418	test standard ncurses graphing template	2025-09-09 11:26:27 +10:00
Emile Clark-Boman	342886a098	test custom curses implementation	2025-09-09 11:25:59 +10:00
Emile Clark-Boman	04e5688d82	experimenting with pipewire api	2025-09-09 11:25:03 +10:00