Reorganise, change license, portable makefile, and reference radharc

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 0 insertions, 403 deletions

diff --git a/src/cg-remove.c b/src/cg-remove.c
deleted file mode 100644
index d942f87..0000000
--- a/src/cg-remove.c
+++ /dev/null
@@ -1,403 +0,0 @@
-/**
- * cg-tools -- Cooperative gamma-enabled tools
- * Copyright (C) 2016, 2018  Mattias Andrée (maandree@kth.se)
- * 
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- */
-#include "arg.h"
-
-#include <libcoopgamma.h>
-
-#include <errno.h>
-#include <inttypes.h>
-#include <poll.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-
-
-/**
- * The libcoopgamma context
- */
-static libcoopgamma_context_t cg;
-
-
-
-/**
- * Print usage information and exit
- */
-static void usage(void)
-{
-  fprintf(stderr,
-	  "Usage: %s [-M method] [-S site] [-c crtc]... class...\n",
-	  argv0);
-  exit(1);
-}
-
-
-/**
- * Initialise the process, specifically
- * reset the signal mask and signal handlers
- * 
- * @return  Zero on success, -1 on error
- */
-static int initialise_proc(void)
-{
-  sigset_t sigmask;
-  int sig;
-  
-  for (sig = 1; sig < _NSIG; sig++)
-    if (signal(sig, SIG_DFL) == SIG_ERR)
-      if (sig == SIGCHLD)
-	return -1;
-  
-  if (sigemptyset(&sigmask) < 0)
-    return -1;
-  if (sigprocmask(SIG_SETMASK, &sigmask, NULL) < 0)
-    return -1;
-  
-  return 0;
-}
-
-
-/**
- * Print, to stdout, a list of all
- * recognised adjustment methods
- * 
- * @return  Zero on success, -1 on error
- */
-static int list_methods(void)
-{
-  char** list;
-  size_t i;
-  
-  list = libcoopgamma_get_methods();
-  if (list == NULL)
-    return -1;
-  for (i = 0; list[i]; i++)
-    printf("%s\n", list[i]);
-  free(list);
-  if (fflush(stdout) < 0)
-    return -1;
-  
-  return 0;
-}
-
-
-/**
- * Print, to stdout, a list of all CRTC:s
- * 
- * A connection to the coopgamma server
- * must have been made
- * 
- * @return  Zero on success, -1 on error, -2
- *          on libcoopgamma error
- */
-static int list_crtcs(void)
-{
-  char** list;
-  size_t i;
-  
-  list = libcoopgamma_get_crtcs_sync(&cg);
-  if (list == NULL)
-    return -2;
-  for (i = 0; list[i]; i++)
-    printf("%s\n", list[i]);
-  free(list);
-  if (fflush(stdout) < 0)
-    return -1;
-  
-  return 0;
-}
-
-
-/**
- * Remove selected filters from selected CRTC:s
- * 
- * @param   crtcs    `NULL`-terminated list of CRTC names
- * @param   classes  `NULL`-terminated list of filter classes
- * @return           Zero on success, -1 on error, -2 on
- *                   libcoopgamma error
- */
-static int remove_filters(char* const* restrict crtcs, char* const* restrict classes)
-{
-  size_t n = 0, unsynced = 0, selected, i, j;
-  char* synced = NULL;
-  libcoopgamma_async_context_t* asyncs = NULL;
-  int saved_errno, need_flush = 0, ret = 0;
-  struct pollfd pollfd;
-  libcoopgamma_filter_t command;
-  
-  for (i = 0; crtcs[i] != NULL; i++);
-  for (j = 0; classes[j] != NULL; j++);
-  synced = calloc(i, j * sizeof(*synced));
-  if (synced == NULL)
-    goto fail;
-  asyncs = calloc(i, j * sizeof(*asyncs));
-  if (asyncs == NULL)
-    goto fail;
-  
-  i = j = 0;
-  command.lifespan = LIBCOOPGAMMA_REMOVE;
-  pollfd.fd = cg.fd;
-  pollfd.events = POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI;
-  
-  while ((unsynced > 0) || (crtcs[i] != NULL))
-    {
-    wait:
-      if (crtcs[i] != NULL)
-	pollfd.events |= POLLOUT;
-      else
-	pollfd.events &= ~POLLOUT;
-      
-      pollfd.revents = 0;
-      if (poll(&pollfd, (nfds_t)1, -1) < 0)
-	goto fail;
-      
-      if (pollfd.revents & (POLLOUT | POLLERR | POLLHUP | POLLNVAL))
-	{
-	  if (need_flush && (libcoopgamma_flush(&cg) < 0))
-	    goto send_fail;
-	  need_flush = 0;
-	  for (; crtcs[i] != NULL; i++, j = 0)
-	    {
-	      command.crtc = crtcs[i];
-	      while (classes[j] != NULL)
-		{
-		  command.class = classes[j++];
-		  if (unsynced++, libcoopgamma_set_gamma_send(&command, &cg, asyncs + n++) < 0)
-		    goto send_fail;
-		}
-	    }
-	  goto send_done;
-	send_fail:
-	  switch (errno)
-	    {
-	    case EINTR:
-	    case EAGAIN:
-#if EAGAIN != EWOULDBLOCK
-	    case EWOULDBLOCK:
-#endif
-	      need_flush = 1;
-	      if (classes[j] == NULL)
-		i++, j = 0;
-	      break;
-	    default:
-	      goto fail;
-	    }
-	}
-    send_done:
-      
-      if ((unsynced == 0) && (crtcs[i] == NULL))
-	break;
-      
-      if (pollfd.revents & (POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI))
-	while (unsynced > 0)
-	  switch (libcoopgamma_synchronise(&cg, asyncs, n, &selected))
-	    {
-	    case 0:
-	      if (synced[selected])
-		{
-		  libcoopgamma_skip_message(&cg);
-		  break;
-		}
-	      synced[selected] = 1;
-	      unsynced -= 1;
-	      if (libcoopgamma_set_gamma_recv(&cg, asyncs + selected) < 0)
-		goto cg_fail;
-	      break;
-	    default:
-	      switch (errno)
-		{
-		case 0:
-		  break;
-		case EINTR:
-		case EAGAIN:
-#if EAGAIN != EWOULDBLOCK
-		case EWOULDBLOCK:
-#endif
-		  goto wait;
-		default:
-		  goto fail;
-		}
-	      break;
-	    }
-    }
-  
- done:
-  saved_errno = errno;
-  free(synced);
-  free(asyncs);
-  errno = saved_errno;
-  return ret;
- fail:
-  ret = -1;
-  goto done;
- cg_fail:
-  ret = -2;
-  goto done;
-}
-
-
-/**
- * -M METHOD
- *     Select adjustment method. If METHOD is "?",
- *     available methods will be printed to stdout.
- * 
- * -S SITE
- *     Select site (display server instance).
- * 
- * -c CRTC
- *     Select CRT controller. If CRTC is "?", CRTC:s
- *     will be printed to stdout.
- *     
- *     Can be used multiple times. If not used, all
- *     CRTC:s are selected.
- * 
- * @param   argc  The number of command line arguments
- * @param   argv  The command line arguments
- * @return        0 on success, 1 on error
- */
-int main(int argc, char* argv[])
-{
-  int stage = 0;
-  int rc = 0;
-  char* method = NULL;
-  char* site = NULL;
-  char** crtcs_ = NULL;
-  char** crtcs = alloca(argc * sizeof(char*));
-  size_t i, crtcs_n = 0;
-  
-  ARGBEGIN
-    {
-    case 'M':
-      if (method != NULL)
-	usage();
-      method = EARGF(usage());
-      break;
-    case 'S':
-      if (site != NULL)
-	usage();
-      site = EARGF(usage());
-      break;
-    case 'c':
-      crtcs[crtcs_n++] = EARGF(usage());
-      break;
-    default:
-      usage();
-    }
-  ARGEND;
-  
-  if (initialise_proc() < 0)
-    goto fail;
-  
-  if ((method != NULL) && !strcmp(method, "?"))
-    {
-      if ((site != NULL) || (crtcs_n > 0) || (argc > 0))
-	usage();
-      if (list_methods() < 0)
-	goto fail;
-      return 0;
-    }
-  
-  if (libcoopgamma_context_initialise(&cg) < 0)
-    goto fail;
-  stage++;
-  if (libcoopgamma_connect(method, site, &cg) < 0)
-    {
-      fprintf(stderr, "%s: server failed to initialise\n", argv0);
-      goto custom_fail;
-    }
-  stage++;
-  
-  for (i = 0; i < crtcs_n; i++)
-    if (!strcmp(crtcs[i], "?"))
-      {
-	if (argc > 0)
-	  usage();
-	switch (list_crtcs())
-	  {
-	  case 0:
-	    goto done;
-	  case -1:
-	    goto fail;
-	  default:
-	    goto cg_fail;
-	  }
-      }
-  
-  if (argc == 0)
-    usage();
-  
-  if (crtcs_n == 0)
-    {
-      crtcs = crtcs_ = libcoopgamma_get_crtcs_sync(&cg);
-      if (crtcs == NULL)
-	goto cg_fail;
-    }
-  else
-    crtcs[crtcs_n] = NULL;
-  
-  if (libcoopgamma_set_nonblocking(&cg, 1) < 0)
-    goto fail;
-  
-  switch (remove_filters(crtcs, argv))
-    {
-    case 0:
-      break;
-    case -1:
-      goto fail;
-    default:
-      goto cg_fail;
-    }
-  
- done:
-  if (stage >= 1)
-    libcoopgamma_context_destroy(&cg, stage >= 2);
-  free(crtcs_);
-  return rc;
-  
- custom_fail:
-  rc = 1;
-  goto done;
-  
- fail:
-  rc = 1;
-  perror(argv0);
-  goto done;
-  
- cg_fail:
-  rc = 1;
-  {
-    const char* side = cg.error.server_side ? "server" : "client";
-    if (cg.error.custom)
-      {
-	if ((cg.error.number != 0) || (cg.error.description != NULL))
-	  fprintf(stderr, "%s: %s-side error number %" PRIu64 ": %s\n",
-		  argv0, side, cg.error.number, cg.error.description);
-	else if (cg.error.number != 0)
-	  fprintf(stderr, "%s: %s-side error number %" PRIu64 "\n", argv0, side, cg.error.number);
-	else if (cg.error.description != NULL)
-	  fprintf(stderr, "%s: %s-side error: %s\n", argv0, side, cg.error.description);
-      }
-    else if (cg.error.description != NULL)
-      fprintf(stderr, "%s: %s-side error: %s\n", argv0, side, cg.error.description);
-    else
-      fprintf(stderr, "%s: %s-side error: %s\n", argv0, side, strerror(cg.error.number));
-  }
-  goto done;
-}
-