conky/src/core.c

/* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
 *
 * Conky, a system monitor, based on torsmo
 *
 * Any original torsmo code is licensed under the BSD license
 *
 * All code written since the fork of torsmo is licensed under the GPL
 *
 * Please see COPYING for details
 *
 * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
 * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
 *	(see AUTHORS)
 * All rights reserved.
 *
 * 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/>.
 *
 * vim: ts=4 sw=4 noet ai cindent syntax=c
 *
 */

#include "config.h"
#include "structs.h"
#include "core.h"

#include "text_object.h"
#include "obj_destroy.h"
#include "common.h"
#include "specials.h"
#include "logging.h"

#include <sys/types.h>
#include <sys/wait.h>

#ifdef X11

static void X11_initialisation(conky_context *ctx);

/* display to connect to */
static char *disp = NULL;

#endif /* X11 */

/* path to config file */
char *current_config;

/* set to 1 if you want all text to be in uppercase */
static unsigned int stuff_in_uppercase;

/* Run how many times? */
static unsigned long total_run_times;

/* fork? */
static int fork_to_background;

static int cpu_avg_samples, net_avg_samples, diskio_avg_samples;

/* filenames for output */
char *overwrite_file = NULL; FILE *overwrite_fpointer = NULL;
char *append_file = NULL; FILE *append_fpointer = NULL;

#ifdef X11

static int show_graph_scale;
static int show_graph_range;

/* Position on the screen */
static int text_alignment;
static int gap_x, gap_y;

/* border */
static int draw_borders;
static int draw_graph_borders;
static int stippled_borders;

int get_stippled_borders(void)
{
	return stippled_borders;
}

static int draw_shades, draw_outline;

long default_fg_color, default_bg_color, default_out_color;

/* create own window or draw stuff to root? */
static int set_transparent = 0;

#ifdef OWN_WINDOW
static int own_window = 0;
static int background_colour = 0;

/* fixed size/pos is set if wm/user changes them */
static int fixed_size = 0, fixed_pos = 0;
#endif

static int minimum_width, minimum_height;
static int maximum_width;

#endif /* X11 */

#ifdef __OpenBSD__
static int sensor_device;
#endif

long color0, color1, color2, color3, color4, color5, color6, color7, color8,
	 color9;

static char *template[MAX_TEMPLATES];

char **get_templates(void)
{
	return template;
}

/* maximum size of config TEXT buffer, i.e. below TEXT line. */
unsigned int max_user_text;

/* maximum size of individual text buffers, ie $exec buffer size */
unsigned int text_buffer_size = DEFAULT_TEXT_BUFFER_SIZE;

/* UTF-8 */
int utf8_mode = 0;

/* no buffers in used memory? */
int no_buffers;

/* pad percentages to decimals? */
static int pad_percents = 0;

static char *global_text = 0;

char *get_global_text(void)
{
	return global_text;
}

long global_text_lines;

static int total_updates;
static int updatereset;

void set_updatereset(int i)
{
	updatereset = i;
}

int get_updatereset(void)
{
	return updatereset;
}

int check_contains(char *f, char *s)
{
	int ret = 0;
	FILE *where = open_file(f, 0);

	if (where) {
		char buf1[256];

		while (fgets(buf1, 256, where)) {
			if (strstr(buf1, s)) {
				ret = 1;
				break;
			}
		}
		fclose(where);
	} else {
		NORM_ERR("Could not open the file");
	}
	return ret;
}

#ifdef X11

static inline int calc_text_width(conky_context *ctx, const char *s, int l)
{
	if ((ctx->output_methods & TO_X) == 0) {
		return 0;
	}
#ifdef XFT
	if (use_xft) {
		XGlyphInfo gi;

		if (utf8_mode) {
			XftTextExtentsUtf8(display, ctx->fonts[ctx->selected_font].xftfont,
				(const FcChar8 *) s, l, &gi);
		} else {
			XftTextExtents8(display, ctx->fonts[ctx->selected_font].xftfont,
				(const FcChar8 *) s, l, &gi);
		}
		return gi.xOff;
	} else
#endif
	{
		return XTextWidth(ctx->fonts[ctx->selected_font].font, s, l);
	}
}
#endif /* X11 */

/* quite boring functions */

static inline void for_each_line(char *b, int f(char *, int))
{
	char *ps, *pe;
	int special_index = 0; /* specials index */

	for (ps = b, pe = b; *pe; pe++) {
		if (*pe == '\n') {
			*pe = '\0';
			special_index = f(ps, special_index);
			*pe = '\n';
			ps = pe + 1;
		}
	}

	if (ps < pe) {
		f(ps, special_index);
	}
}

void convert_escapes(char *buf)
{
	char *p = buf, *s = buf;

	while (*s) {
		if (*s == '\\') {
			s++;
			if (*s == 'n') {
				*p++ = '\n';
			} else if (*s == '\\') {
				*p++ = '\\';
			}
			s++;
		} else {
			*p++ = *s++;
		}
	}
	*p = '\0';
}

/* global object list root element */
static struct text_object global_root_object;

/* our own implementation of popen, the difference : the value of 'childpid'
 * will be filled with the pid of the running 'command'. This is useful if want
 * to kill it when it hangs while reading or writing to it. We have to kill it
 * because pclose will wait until the process dies by itself */
FILE* pid_popen(const char *command, const char *mode, pid_t *child)
{
	int ends[2];
	int parentend, childend;

	/* by running pipe after the strcmp's we make sure that we don't have to
	 * create a pipe and close the ends if mode is something illegal */
	if(strcmp(mode, "r") == 0) {
		if(pipe(ends) != 0) {
			return NULL;
		}
		parentend = ends[0];
		childend = ends[1];
	} else if(strcmp(mode, "w") == 0) {
		if(pipe(ends) != 0) {
			return NULL;
		}
		parentend = ends[1];
		childend = ends[0];
	} else {
		return NULL;
	}
	*child = fork();
	if(*child == -1) {
		close(parentend);
		close(childend);
		return NULL;
	} else if(*child > 0) {
		close(childend);
		waitpid(*child, NULL, 0);
	} else {
		/* don't read from both stdin and pipe or write to both stdout and pipe */
		if(childend == ends[0]) {
			close(0);
		} else {
			close(1);
		}
		dup(childend);	/* by dupping childend, the returned fd will have close-on-exec turned off */
		execl("/bin/sh", "sh", "-c", command, (char *) NULL);
		_exit(EXIT_FAILURE); /* child should die here, (normally execl will take care of this but it can fail) */
	}
	return fdopen(parentend, mode);
}

void read_exec(const char *data, char *buf, const int size)
{
	FILE *fp;
	pid_t childpid;

	fp = pid_popen(data, "r", &childpid);
	if(fp) {
		int length;

		length = fread(buf, 1, size, fp);
		pclose(fp);
		buf[length] = '\0';
		if (length > 0 && buf[length - 1] == '\n') {
			buf[length - 1] = '\0';
		}
	} else {
		buf[0] = '\0';
	}
}

void *threaded_exec(void *, void *) __attribute__((noreturn));

void *threaded_exec(void *arg1, void *arg2)
{
	char *buff, *p2;
	struct text_object *obj = (struct text_object *)arg2;
	conky_context *ctx = (conky_context *)arg1;

	while (1) {
		buff = malloc(text_buffer_size);
		read_exec(obj->data.texeci.cmd, buff,
			ctx->text_buffer_size);
		p2 = buff;
		while (*p2) {
			if (*p2 == '\001') {
				*p2 = ' ';
			}
			p2++;
		}
		timed_thread_lock(obj->data.texeci.p_timed_thread);
		strncpy(obj->data.texeci.buffer, buff, text_buffer_size);
		timed_thread_unlock(obj->data.texeci.p_timed_thread);
		free(buff);
		if (timed_thread_test(obj->data.texeci.p_timed_thread, 0)) {
			timed_thread_exit(obj->data.texeci.p_timed_thread);
		}
	}
	/* never reached */
}

static long current_text_color;

void set_current_text_color(long colour)
{
	current_text_color = colour;
}

long get_current_text_color(void)
{
	return current_text_color;
}

//adds newstring to to the tree unless you can already see it when travelling back.
//if it's possible to attach it then it returns a pointer to the leaf, else it returns NULL
struct conftree* conftree_add(struct conftree* previous, const char* newstring) {
	struct conftree* node;
	struct conftree* node2;

	for(node = previous; node != NULL; node = node->back) {
		if(strcmp(node->string, newstring) == 0) {
			return NULL;
		}
	}
	node = malloc(sizeof(struct conftree));
	if (previous != NULL) {
		if(previous->vert_next == NULL) {
			previous->vert_next = node;
		} else {
			for(node2 = previous->vert_next; node2->horz_next != NULL; node2 = node2->horz_next ) { }
			node2->horz_next = node;
		}
	}
	node->string = strdup(newstring);
	node->horz_next = NULL;
	node->vert_next = NULL;
	node->back = previous;
	return node;
}

void conftree_empty(struct conftree* tree) {
	if(tree) {
		conftree_empty(tree->horz_next);
		conftree_empty(tree->vert_next);
		free(tree->string);
		free(tree);
	}
}

struct conftree *currentconffile;

void extract_variable_text(conky_context *ctx, const char *p)
{
	free_text_objects(&global_root_object, 0);
	if (ctx->tmpstring1) {
		free(ctx->tmpstring1);
		ctx->tmpstring1 = 0;
	}
	if (ctx->tmpstring2) {
		free(ctx->tmpstring2);
		ctx->tmpstring2 = 0;
	}
	if (ctx->text_buffer) {
		free(ctx->text_buffer);
		ctx->text_buffer = 0;
	}

	extract_variable_text_internal(ctx, &global_root_object, p);
}

void parse_conky_vars(ctx, struct text_object *root, const char *txt, char *p)
{
	extract_variable_text_internal(ctx, root, txt);
	generate_text_internal(ctx, p, max_user_text, *root);
}

static inline struct mail_s *ensure_mail_thread(struct text_object *obj,
		void *thread(void *), const char *text)
{
	if (obj->char_b && ctx->info.mail) {
		/* this means we use ctx->info */
		if (!ctx->info.mail->p_timed_thread) {
			ctx->info.mail->p_timed_thread =
				timed_thread_create(thread,
						(void *) ctx->info.mail, ctx->info.mail->interval * 1000000);
			if (!ctx->info.mail->p_timed_thread) {
				NORM_ERR("Error creating %s timed thread", text);
			}
			timed_thread_register(ctx->info.mail->p_timed_thread,
					&ctx->info.mail->p_timed_thread);
			if (timed_thread_run(ctx->info.mail->p_timed_thread)) {
				NORM_ERR("Error running %s timed thread", text);
			}
		}
		return ctx->info.mail;
	} else if (obj->data.mail) {
		// this means we use obj
		if (!obj->data.mail->p_timed_thread) {
			obj->data.mail->p_timed_thread =
				timed_thread_create(thread,
						(void *) obj->data.mail,
						obj->data.mail->interval * 1000000);
			if (!obj->data.mail->p_timed_thread) {
				NORM_ERR("Error creating %s timed thread", text);
			}
			timed_thread_register(obj->data.mail->p_timed_thread,
					&obj->data.mail->p_timed_thread);
			if (timed_thread_run(obj->data.mail->p_timed_thread)) {
				NORM_ERR("Error running %s timed thread", text);
			}
		}
		return obj->data.mail;
	} else if (!obj->a) {
		// something is wrong, warn once then stop
		NORM_ERR("There's a problem with your mail settings.  "
				"Check that the global mail settings are properly defined"
				" (line %li).", obj->line);
		obj->a++;
	}
	return NULL;
}

static void generate_text(void)
{
	struct information *cur = &ctx->info;
	char *p;

	special_count = 0;

	/* update ctx->info */

	ctx->current_update_time = get_time();

	update_stuff();

	/* add things to the buffer */

	/* generate text */

	p = ctx->text_buffer;

	generate_text_internal(ctx, p, max_user_text, global_root_object);

	if (stuff_in_uppercase) {
		char *tmp_p;

		tmp_p = ctx->text_buffer;
		while (*tmp_p) {
			*tmp_p = toupper(*tmp_p);
			tmp_p++;
		}
	}

	ctx->next_update_time += ctx->update_interval;
	if (ctx->next_update_time < get_time()) {
		ctx->next_update_time = get_time() + ctx->update_interval;
	} else if (ctx->next_update_time > get_time() + ctx->update_interval) {
		ctx->next_update_time = get_time() + ctx->update_interval;
	}
	ctx->last_update_time = ctx->current_update_time;
	ctx->total_updates++;
}

void set_update_interval(conky_context *ctx, double interval)
{
	ctx->update_interval = interval;
	ctx->update_interval_old = interval;
}

static inline int get_string_width(const char *s)
{
#ifdef X11
	if (ctx->output_methods & TO_X) {
		return *s ? calc_text_width(s, strlen(s)) : 0;
	}
#endif /* X11 */
	return strlen(s);
}

#ifdef X11
static int get_string_width_special(char *s, int special_index)
{
	char *p, *final;
	int idx = 1;
	int width = 0;
	long i;

	if ((ctx->output_methods & TO_X) == 0) {
		return (s) ? strlen(s) : 0;
	}

	if (!s) {
		return 0;
	}

	p = strndup(s, text_buffer_size);
	final = p;

	while (*p) {
		if (*p == SPECIAL_CHAR) {
			/* shift everything over by 1 so that the special char
			 * doesn't mess up the size calculation */
			for (i = 0; i < (long)strlen(p); i++) {
				*(p + i) = *(p + i + 1);
			}
			if (specials[special_index + idx].type == GRAPH
					|| specials[special_index + idx].type == GAUGE
					|| specials[special_index + idx].type == BAR) {
				width += specials[special_index + idx].width;
			}
			idx++;
		} else if (*p == SECRIT_MULTILINE_CHAR) {
			*p = 0;
			break;
		} else {
			p++;
		}
	}
	if (strlen(final) > 1) {
		width += calc_text_width(final, strlen(final));
	}
	free(final);
	return width;
}

static int text_size_updater(char *s, int special_index);

void update_text_area(conky_context *ctx)
{
	int x = 0, y = 0;

	if ((ctx->output_methods & TO_X) == 0)
		return;
	/* update text size if it isn't fixed */
#ifdef OWN_WINDOW
	if (!fixed_size)
#endif
	{
		text_width = minimum_width;
		text_height = 0;
		last_font_height = font_height();
		for_each_line(ctx->text_buffer, text_size_updater);
		text_width += 1;
		if (text_height < minimum_height) {
			text_height = minimum_height;
		}
		if (text_width > maximum_width && maximum_width > 0) {
			text_width = maximum_width;
		}
	}

	/* get text position on workarea */
	switch (text_alignment) {
		case TOP_LEFT:
			x = gap_x;
			y = gap_y;
			break;

		case TOP_RIGHT:
			x = workarea[2] - text_width - gap_x;
			y = gap_y;
			break;

		case TOP_MIDDLE:
			x = workarea[2] / 2 - text_width / 2 - gap_x;
			y = gap_y;
			break;

		default:
		case BOTTOM_LEFT:
			x = gap_x;
			y = workarea[3] - text_height - gap_y;
			break;

		case BOTTOM_RIGHT:
			x = workarea[2] - text_width - gap_x;
			y = workarea[3] - text_height - gap_y;
			break;

		case BOTTOM_MIDDLE:
			x = workarea[2] / 2 - text_width / 2 - gap_x;
			y = workarea[3] - text_height - gap_y;
			break;

		case MIDDLE_LEFT:
			x = gap_x;
			y = workarea[3] / 2 - text_height / 2 - gap_y;
			break;

		case MIDDLE_RIGHT:
			x = workarea[2] - text_width - gap_x;
			y = workarea[3] / 2 - text_height / 2 - gap_y;
			break;

#ifdef OWN_WINDOW
		case NONE:	// Let the WM manage the window
			x = window.x;
			y = window.y;

			fixed_pos = 1;
			fixed_size = 1;
			break;
#endif
	}
#ifdef OWN_WINDOW

	if (own_window && !fixed_pos) {
		x += workarea[0];
		y += workarea[1];
		text_start_x = window.border_inner_margin + window.border_outer_margin + window.border_width;
		text_start_y = window.border_inner_margin + window.border_outer_margin + window.border_width;
		window.x = x - window.border_inner_margin - window.border_outer_margin - window.border_width;
		window.y = y - window.border_inner_margin - window.border_outer_margin - window.border_width;
	} else
#endif
	{
		/* If window size doesn't match to workarea's size,
		 * then window probably includes panels (gnome).
		 * Blah, doesn't work on KDE. */
		if (workarea[2] != window.width || workarea[3] != window.height) {
			y += workarea[1];
			x += workarea[0];
		}

		text_start_x = x;
		text_start_y = y;
	}
#ifdef HAVE_LUA
	/* update lua window globals */
	llua_update_window_table(text_start_x, text_start_y, text_width, text_height);
#endif /* HAVE_LUA */
}

/* drawing stuff */

static int cur_x, cur_y;	/* current x and y for drawing */
#endif
//draw_mode also without X11 because we only need to print to stdout with FG
static int draw_mode;		/* FG, BG or OUTLINE */
#ifdef X11
static long current_color;

static int text_size_updater(char *s, int special_index)
{
	int w = 0;
	char *p;

	if ((ctx->output_methods & TO_X) == 0)
		return 0;
	/* get string widths and skip specials */
	p = s;
	while (*p) {
		if (*p == SPECIAL_CHAR) {
			*p = '\0';
			w += get_string_width(s);
			*p = SPECIAL_CHAR;

			if (specials[special_index].type == BAR
					|| specials[special_index].type == GAUGE
					|| specials[special_index].type == GRAPH) {
				w += specials[special_index].width;
				if (specials[special_index].height > last_font_height) {
					last_font_height = specials[special_index].height;
					last_font_height += font_height();
				}
			} else if (specials[special_index].type == OFFSET) {
				if (specials[special_index].arg > 0) {
					w += specials[special_index].arg;
				}
			} else if (specials[special_index].type == VOFFSET) {
				last_font_height += specials[special_index].arg;
			} else if (specials[special_index].type == GOTO) {
				if (specials[special_index].arg > cur_x) {
					w = (int) specials[special_index].arg;
				}
			} else if (specials[special_index].type == TAB) {
				int start = specials[special_index].arg;
				int step = specials[special_index].width;

				if (!step || step < 0) {
					step = 10;
				}
				w += step - (cur_x - text_start_x - start) % step;
			} else if (specials[special_index].type == FONT) {
				ctx->selected_font = specials[special_index].font_added;
				if (font_height() > last_font_height) {
					last_font_height = font_height();
				}
			}

			special_index++;
			s = p + 1;
		} else if (*p == SECRIT_MULTILINE_CHAR) {
			int lw;
			*p = '\0';
			lw = get_string_width(s);
			*p = SECRIT_MULTILINE_CHAR;
			s = p + 1;
			w = lw > w ? lw : w;
			text_height += last_font_height;
		}
		p++;
	}
	w += get_string_width(s);
	if (w > text_width) {
		text_width = w;
	}
	if (text_width > maximum_width && maximum_width) {
		text_width = maximum_width;
	}

	text_height += last_font_height;
	last_font_height = font_height();
	return special_index;
}
#endif /* X11 */

static inline void set_foreground_color(long c)
{
#ifdef X11
	if (ctx->output_methods & TO_X) {
		current_color = c;
		XSetForeground(display, window.gc, c);
	}
#endif /* X11 */
#ifdef NCURSES
	if (ctx->output_methods & TO_NCURSES) {
		attron(COLOR_PAIR(c));
	}
#endif /* NCURSES */
	UNUSED(c);
	return;
}

static void draw_string(const char *s)
{
	int i, i2, pos, width_of_s;
	int max = 0;
	int added;
	char *s_with_newlines;

	if (s[0] == '\0') {
		return;
	}

	width_of_s = get_string_width(s);
	s_with_newlines = strdup(s);
	for(i = 0; i < (int) strlen(s_with_newlines); i++) {
		if(s_with_newlines[i] == SECRIT_MULTILINE_CHAR) {
			s_with_newlines[i] = '\n';
		}
	}
	if ((ctx->output_methods & TO_STDOUT) && draw_mode == FG) {
		printf("%s\n", s_with_newlines);
		if (extra_newline) fputc('\n', stdout);
		fflush(stdout);	/* output immediately, don't buffer */
	}
	if ((ctx->output_methods & TO_STDERR) && draw_mode == FG) {
		fprintf(stderr, "%s\n", s_with_newlines);
		fflush(stderr);	/* output immediately, don't buffer */
	}
	if ((ctx->output_methods & OVERWRITE_FILE) && draw_mode == FG && overwrite_fpointer) {
		fprintf(overwrite_fpointer, "%s\n", s_with_newlines);
	}
	if ((ctx->output_methods & APPEND_FILE) && draw_mode == FG && append_fpointer) {
		fprintf(append_fpointer, "%s\n", s_with_newlines);
	}
#ifdef NCURSES
	if ((ctx->output_methods & TO_NCURSES) && draw_mode == FG) {
		printw("%s", s_with_newlines);
	}
#endif
	free(s_with_newlines);
	memset(ctx->tmpstring1, 0, text_buffer_size);
	memset(ctx->tmpstring2, 0, text_buffer_size);
	strncpy(ctx->tmpstring1, s, text_buffer_size - 1);
	pos = 0;
	added = 0;

#ifdef X11
	if (ctx->output_methods & TO_X) {
		max = ((text_width - width_of_s) / get_string_width(" "));
	}
#endif /* X11 */
	/* This code looks for tabs in the text and coverts them to spaces.
	 * The trick is getting the correct number of spaces, and not going
	 * over the window's size without forcing the window larger. */
	for (i = 0; i < (int) text_buffer_size; i++) {
		if (ctx->tmpstring1[i] == '\t') {
			i2 = 0;
			for (i2 = 0; i2 < (8 - (1 + pos) % 8) && added <= max; i2++) {
				/* guard against overrun */
				ctx->tmpstring2[MIN(pos + i2, (int)text_buffer_size - 1)] = ' ';
				added++;
			}
			pos += i2;
		} else {
			/* guard against overrun */
			ctx->tmpstring2[MIN(pos, (int) text_buffer_size - 1)] = ctx->tmpstring1[i];
			pos++;
		}
	}
#ifdef X11
	if (ctx->output_methods & TO_X) {
		if (text_width == maximum_width) {
			/* this means the text is probably pushing the limit,
			 * so we'll chop it */
			while (cur_x + get_string_width(ctx->tmpstring2) - text_start_x
					> maximum_width && strlen(ctx->tmpstring2) > 0) {
				ctx->tmpstring2[strlen(ctx->tmpstring2) - 1] = '\0';
			}
		}
	}
#endif /* X11 */
	s = ctx->tmpstring2;
#ifdef X11
	if (ctx->output_methods & TO_X) {
#ifdef XFT
		if (use_xft) {
			XColor c;
			XftColor c2;

			c.pixel = current_color;
			XQueryColor(display, DefaultColormap(display, screen), &c);

			c2.pixel = c.pixel;
			c2.color.red = c.red;
			c2.color.green = c.green;
			c2.color.blue = c.blue;
			c2.color.alpha = ctx->fonts[ctx->selected_font].font_alpha;
			if (utf8_mode) {
				XftDrawStringUtf8(window.xftdraw, &c2, ctx->fonts[ctx->selected_font].xftfont,
					cur_x, cur_y, (const XftChar8 *) s, strlen(s));
			} else {
				XftDrawString8(window.xftdraw, &c2, ctx->fonts[ctx->selected_font].xftfont,
					cur_x, cur_y, (const XftChar8 *) s, strlen(s));
			}
		} else
#endif
		{
			XDrawString(display, window.drawable, window.gc, cur_x, cur_y, s,
				strlen(s));
		}
		cur_x += width_of_s;
	}
#endif /* X11 */
	memcpy(ctx->tmpstring1, s, text_buffer_size);
}

int draw_each_line_inner(char *s, int special_index, int last_special_applied)
{
#ifdef X11
	int font_h = font_height();
	int cur_y_add = 0;
#endif /* X11 */
	char *recurse = 0;
	char *p = s;
	int last_special_needed = -1;
	int orig_special_index = special_index;

#ifdef X11
	cur_x = text_start_x;
	cur_y += font_ascent();
#endif /* X11 */

	while (*p) {
		if (*p == SECRIT_MULTILINE_CHAR) {
			/* special newline marker for multiline objects */
			recurse = p + 1;
			*p = '\0';
			break;
		}
		if (*p == SPECIAL_CHAR || last_special_applied > -1) {
#ifdef X11
			int w = 0;
#endif /* X11 */

			/* draw string before special, unless we're dealing multiline
			 * specials */
			if (last_special_applied > -1) {
				special_index = last_special_applied;
			} else {
				*p = '\0';
				draw_string(s);
				*p = SPECIAL_CHAR;
				s = p + 1;
			}
			/* draw special */
			switch (specials[special_index].type) {
#ifdef X11
				case HORIZONTAL_LINE:
				{
					int h = specials[special_index].height;
					int mid = font_ascent() / 2;

					w = text_start_x + text_width - cur_x;

					XSetLineAttributes(display, window.gc, h, LineSolid,
						CapButt, JoinMiter);
					XDrawLine(display, window.drawable, window.gc, cur_x,
						cur_y - mid / 2, cur_x + w, cur_y - mid / 2);
					break;
				}

				case STIPPLED_HR:
				{
					int h = specials[special_index].height;
					int tmp_s = specials[special_index].arg;
					int mid = font_ascent() / 2;
					char ss[2] = { tmp_s, tmp_s };

					w = text_start_x + text_width - cur_x - 1;
					XSetLineAttributes(display, window.gc, h, LineOnOffDash,
						CapButt, JoinMiter);
					XSetDashes(display, window.gc, 0, ss, 2);
					XDrawLine(display, window.drawable, window.gc, cur_x,
						cur_y - mid / 2, cur_x + w, cur_y - mid / 2);
					break;
				}

				case BAR:
				{
					int h, bar_usage, by;
					if (cur_x - text_start_x > maximum_width
							&& maximum_width > 0) {
						break;
					}
					h = specials[special_index].height;
					bar_usage = specials[special_index].arg;
					by = cur_y - (font_ascent() / 2) - 1;

					if (h < font_h) {
						by -= h / 2 - 1;
					}
					w = specials[special_index].width;
					if (w == 0) {
						w = text_start_x + text_width - cur_x - 1;
					}
					if (w < 0) {
						w = 0;
					}

					XSetLineAttributes(display, window.gc, 1, LineSolid,
						CapButt, JoinMiter);

					XDrawRectangle(display, window.drawable, window.gc, cur_x,
						by, w, h);
					XFillRectangle(display, window.drawable, window.gc, cur_x,
						by, w * bar_usage / 255, h);
					if (h > cur_y_add
							&& h > font_h) {
						cur_y_add = h;
					}
					break;
				}

				case GAUGE: /* new GAUGE  */
				{
					int h, by = 0;
					unsigned long last_colour = current_color;
#ifdef MATH
					float angle, px, py;
					int usage;
#endif /* MATH */

					if (cur_x - text_start_x > maximum_width
							&& maximum_width > 0) {
						break;
					}

					h = specials[special_index].height;
					by = cur_y - (font_ascent() / 2) - 1;

					if (h < font_h) {
						by -= h / 2 - 1;
					}
					w = specials[special_index].width;
					if (w == 0) {
						w = text_start_x + text_width - cur_x - 1;
					}
					if (w < 0) {
						w = 0;
					}

					XSetLineAttributes(display, window.gc, 1, LineSolid,
							CapButt, JoinMiter);

					XDrawArc(display, window.drawable, window.gc,
							cur_x, by, w, h * 2, 0, 180*64);

#ifdef MATH
					usage = specials[special_index].arg;
					angle = (M_PI)*(float)(usage)/255.;
					px = (float)(cur_x+(w/2.))-(float)(w/2.)*cos(angle);
					py = (float)(by+(h))-(float)(h)*sin(angle);

					XDrawLine(display, window.drawable, window.gc,
							cur_x + (w/2.), by+(h), (int)(px), (int)(py));
#endif /* MATH */

					if (h > cur_y_add
							&& h > font_h) {
						cur_y_add = h;
					}

					set_foreground_color(last_colour);

					break;

				}

				case GRAPH:
				{
					int h, by, i = 0, j = 0;
					int colour_idx = 0;
					unsigned long last_colour = current_color;
					unsigned long *tmpcolour = 0;
					if (cur_x - text_start_x > maximum_width
							&& maximum_width > 0) {
						break;
					}
					h = specials[special_index].height;
					by = cur_y - (font_ascent() / 2) - 1;

					if (h < font_h) {
						by -= h / 2 - 1;
					}
					w = specials[special_index].width;
					if (w == 0) {
						w = text_start_x + text_width - cur_x - 1;
					}
					if (w < 0) {
						w = 0;
					}
					if (draw_graph_borders) {
						XSetLineAttributes(display, window.gc, 1, LineSolid,
							CapButt, JoinMiter);
						XDrawRectangle(display, window.drawable, window.gc,
							cur_x, by, w, h);
					}
					XSetLineAttributes(display, window.gc, 1, LineSolid,
						CapButt, JoinMiter);

					if (specials[special_index].last_colour != 0
							|| specials[special_index].first_colour != 0) {
						tmpcolour = do_gradient(w - 1, specials[special_index].last_colour, specials[special_index].first_colour);
					}
					colour_idx = 0;
					for (i = w - 2; i > -1; i--) {
						if (specials[special_index].last_colour != 0
								|| specials[special_index].first_colour != 0) {
							if (specials[special_index].tempgrad) {
#ifdef DEBUG_lol
								assert(
										(int)((float)(w - 2) - specials[special_index].graph[j] *
											(w - 2) / (float)specials[special_index].graph_scale)
										< w - 1
									  );
								assert(
										(int)((float)(w - 2) - specials[special_index].graph[j] *
											(w - 2) / (float)specials[special_index].graph_scale)
										> -1
									  );
								if (specials[special_index].graph[j] == specials[special_index].graph_scale) {
									assert(
											(int)((float)(w - 2) - specials[special_index].graph[j] *
												(w - 2) / (float)specials[special_index].graph_scale)
											== 0
										  );
								}
#endif /* DEBUG_lol */
								XSetForeground(display, window.gc, tmpcolour[
										(int)((float)(w - 2) - specials[special_index].graph[j] *
											(w - 2) / (float)specials[special_index].graph_scale)
										]);
							} else {
								XSetForeground(display, window.gc, tmpcolour[colour_idx++]);
							}
						}
						/* this is mugfugly, but it works */
						XDrawLine(display, window.drawable, window.gc,
								cur_x + i + 1, by + h, cur_x + i + 1,
								round_to_int((double)by + h - specials[special_index].graph[j] *
									(h - 1) / specials[special_index].graph_scale));
						if ((w - i) / ((float) (w - 2) /
									(specials[special_index].graph_width)) > j
								&& j < MAX_GRAPH_DEPTH - 3) {
							j++;
						}
					}
					if (tmpcolour) free(tmpcolour);
					if (h > cur_y_add
							&& h > font_h) {
						cur_y_add = h;
					}
					/* if (draw_mode == BG) {
						set_foreground_color(default_bg_color);
					} else if (draw_mode == OUTLINE) {
						set_foreground_color(default_out_color);
					} else {
						set_foreground_color(default_fg_color);
					} */
					if (show_graph_range) {
						int tmp_x = cur_x;
						int tmp_y = cur_y;
						unsigned short int seconds = update_interval * w;
						char *tmp_day_str;
						char *tmp_hour_str;
						char *tmp_min_str;
						char *tmp_sec_str;
						char *tmp_str;
						unsigned short int timeunits;
						if (seconds != 0) {
							timeunits = seconds / 86400; seconds %= 86400;
							if (timeunits > 0) {
								asprintf(&tmp_day_str, "%dd", timeunits);
							} else {
								tmp_day_str = strdup("");
							}
							timeunits = seconds / 3600; seconds %= 3600;
							if (timeunits > 0) {
								asprintf(&tmp_hour_str, "%dh", timeunits);
							} else {
								tmp_hour_str = strdup("");
							}
							timeunits = seconds / 60; seconds %= 60;
							if (timeunits > 0) {
								asprintf(&tmp_min_str, "%dm", timeunits);
							} else {
								tmp_min_str = strdup("");
							}
							if (seconds > 0) {
								asprintf(&tmp_sec_str, "%ds", seconds);
							} else {
								tmp_sec_str = strdup("");
							}
							asprintf(&tmp_str, "%s%s%s%s", tmp_day_str, tmp_hour_str, tmp_min_str, tmp_sec_str);
							free(tmp_day_str); free(tmp_hour_str); free(tmp_min_str); free(tmp_sec_str);
						} else {
							asprintf(&tmp_str, "Range not possible"); // should never happen, but better safe then sorry
						}
						cur_x += (w / 2) - (font_ascent() * (strlen(tmp_str) / 2));
						cur_y += font_h / 2;
						draw_string(tmp_str);
						free(tmp_str);
						cur_x = tmp_x;
						cur_y = tmp_y;
					}
#ifdef MATH
					if (show_graph_scale && (specials[special_index].show_scale == 1)) {
						int tmp_x = cur_x;
						int tmp_y = cur_y;
						char *tmp_str;
						cur_x += font_ascent() / 2;
						cur_y += font_h / 2;
						tmp_str = (char *)
							calloc(log10(floor(specials[special_index].graph_scale)) + 4,
									sizeof(char));
						sprintf(tmp_str, "%.1f", specials[special_index].graph_scale);
						draw_string(tmp_str);
						free(tmp_str);
						cur_x = tmp_x;
						cur_y = tmp_y;
					}
#endif
					set_foreground_color(last_colour);
					break;
				}

				case FONT:
				{
					int old = font_ascent();

					cur_y -= font_ascent();
					ctx->selected_font = specials[special_index].font_added;
					set_font();
					if (cur_y + font_ascent() < cur_y + old) {
						cur_y += old;
					} else {
						cur_y += font_ascent();
					}
					font_h = font_height();
					break;
				}
#endif /* X11 */
				case FG:
					if (draw_mode == FG) {
						set_foreground_color(specials[special_index].arg);
					}
					break;

#ifdef X11
				case BG:
					if (draw_mode == BG) {
						set_foreground_color(specials[special_index].arg);
					}
					break;

				case OUTLINE:
					if (draw_mode == OUTLINE) {
						set_foreground_color(specials[special_index].arg);
					}
					break;

				case OFFSET:
					w += specials[special_index].arg;
					last_special_needed = special_index;
					break;

				case VOFFSET:
					cur_y += specials[special_index].arg;
					break;

				case GOTO:
					if (specials[special_index].arg >= 0) {
						cur_x = (int) specials[special_index].arg;
					}
					last_special_needed = special_index;
					break;

				case TAB:
				{
					int start = specials[special_index].arg;
					int step = specials[special_index].width;

					if (!step || step < 0) {
						step = 10;
					}
					w = step - (cur_x - text_start_x - start) % step;
					last_special_needed = special_index;
					break;
				}

				case ALIGNR:
				{
					/* TODO: add back in "+ window.border_inner_margin" to the end of
					 * this line? */
					int pos_x = text_start_x + text_width -
						get_string_width_special(s, special_index);

					/* printf("pos_x %i text_start_x %i text_width %i cur_x %i "
						"get_string_width(p) %i gap_x %i "
						"specials[special_index].arg %i window.border_inner_margin %i "
						"window.border_width %i\n", pos_x, text_start_x, text_width,
						cur_x, get_string_width_special(s), gap_x,
						specials[special_index].arg, window.border_inner_margin,
						window.border_width); */
					if (pos_x > specials[special_index].arg && pos_x > cur_x) {
						cur_x = pos_x - specials[special_index].arg;
					}
					last_special_needed = special_index;
					break;
				}

				case ALIGNC:
				{
					int pos_x = (text_width) / 2 - get_string_width_special(s,
							special_index) / 2 - (cur_x -
								text_start_x);
					/* int pos_x = text_start_x + text_width / 2 -
						get_string_width_special(s) / 2; */

					/* printf("pos_x %i text_start_x %i text_width %i cur_x %i "
						"get_string_width(p) %i gap_x %i "
						"specials[special_index].arg %i\n", pos_x, text_start_x,
						text_width, cur_x, get_string_width(s), gap_x,
						specials[special_index].arg); */
					if (pos_x > specials[special_index].arg) {
						w = pos_x - specials[special_index].arg;
					}
					last_special_needed = special_index;
					break;
				}
#endif /* X11 */
			}

#ifdef X11
			cur_x += w;
#endif /* X11 */

			if (special_index != last_special_applied) {
				special_index++;
			} else {
				special_index = orig_special_index;
				last_special_applied = -1;
			}
		}
		p++;
	}

#ifdef X11
	cur_y += cur_y_add;
#endif /* X11 */
	draw_string(s);
#ifdef NCURSES
	if (ctx->output_methods & TO_NCURSES) {
		printw("\n");
	}
#endif /* NCURSES */
#ifdef X11
	cur_y += font_descent();
#endif /* X11 */
	if (recurse && *recurse) {
		special_index = draw_each_line_inner(recurse, special_index, last_special_needed);
		*(recurse - 1) = SECRIT_MULTILINE_CHAR;
	}
	return special_index;
}

static int draw_line(char *s, int special_index)
{
#ifdef X11
	if (ctx->output_methods & TO_X) {
		return draw_each_line_inner(s, special_index, -1);
	}
#endif /* X11 */
#ifdef NCURSES
	if (ctx->output_methods & TO_NCURSES) {
		return draw_each_line_inner(s, special_index, -1);
	}
#endif /* NCURSES */
	draw_string(s);
	UNUSED(special_index);
	return 0;
}

static void draw_text(void)
{
#ifdef X11
#ifdef HAVE_LUA
	llua_draw_pre_hook();
#endif /* HAVE_LUA */
	if (ctx->output_methods & TO_X) {
		cur_y = text_start_y;

		/* draw borders */
		if (draw_borders && window.border_width > 0) {
			if (stippled_borders) {
				char ss[2] = { stippled_borders, stippled_borders };
				XSetLineAttributes(display, window.gc, window.border_width, LineOnOffDash,
					CapButt, JoinMiter);
				XSetDashes(display, window.gc, 0, ss, 2);
			} else {
				XSetLineAttributes(display, window.gc, window.border_width, LineSolid,
					CapButt, JoinMiter);
			}

			XDrawRectangle(display, window.drawable, window.gc,
				text_start_x - window.border_inner_margin - window.border_width,
				text_start_y - window.border_inner_margin - window.border_width,
				text_width + window.border_inner_margin * 2 + window.border_width * 2,
				text_height + window.border_inner_margin * 2 + window.border_width * 2);
		}

		/* draw text */
	}
	setup_fonts();
#endif /* X11 */
#ifdef NCURSES
	init_pair(COLOR_WHITE, COLOR_WHITE, COLOR_BLACK);
	attron(COLOR_PAIR(COLOR_WHITE));
#endif /* NCURSES */
	for_each_line(ctx->text_buffer, draw_line);
#if defined(HAVE_LUA) && defined(X11)
	llua_draw_post_hook();
#endif /* HAVE_LUA */
}

void draw_stuff(conky_context *ctx)
{
#ifdef IMLIB2
	cimlib_render(text_start_x, text_start_y, window.width, window.height);
#endif /* IMLIB2 */
	if (overwrite_file) {
		overwrite_fpointer = fopen(overwrite_file, "w");
		if(!overwrite_fpointer)
			NORM_ERR("Can't overwrite '%s' anymore", overwrite_file);
	}
	if (append_file) {
		append_fpointer = fopen(append_file, "a");
		if(!append_fpointer)
			NORM_ERR("Can't append '%s' anymore", append_file);
	}
#ifdef X11
	if (ctx->output_methods & TO_X) {
		ctx->selected_font = 0;
		if (draw_shades && !draw_outline) {
			text_start_x++;
			text_start_y++;
			set_foreground_color(default_bg_color);
			draw_mode = BG;
			draw_text();
			text_start_x--;
			text_start_y--;
		}

		if (draw_outline) {
			int i, j;
			ctx->selected_font = 0;

			for (i = -1; i < 2; i++) {
				for (j = -1; j < 2; j++) {
					if (i == 0 && j == 0) {
						continue;
					}
					text_start_x += i;
					text_start_y += j;
					set_foreground_color(default_out_color);
					draw_mode = OUTLINE;
					draw_text();
					text_start_x -= i;
					text_start_y -= j;
				}
			}
		}

		set_foreground_color(default_fg_color);
	}
#endif /* X11 */
	draw_mode = FG;
	draw_text();
#ifdef X11
	xdbe_swap_buffers();
	if (ctx->output_methods & TO_X) {
#ifdef HAVE_XDBE
#endif
	}
#endif /* X11 */
	if(overwrite_fpointer) {
		fclose(overwrite_fpointer);
		overwrite_fpointer = 0;
	}
	if(append_fpointer) {
		fclose(append_fpointer);
		append_fpointer = 0;
	}
}

#ifdef X11
void clear_text(conky_context *ctx, int exposures)
{
#ifdef HAVE_XDBE
	if (use_xdbe) {
		/* The swap action is XdbeBackground, which clears */
		return;
	} else
#endif
	if (display && window.window) { // make sure these are !null
		/* there is some extra space for borders and outlines */
		XClearArea(display, window.window, text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width,
			text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width,
			text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2,
			text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, exposures ? True : 0);
	}
}
#endif /* X11 */

/* update_text() generates new text and clears old text area */
void update_text(conky_context *ctx)
{
#ifdef IMLIB2
	cimlib_cleanup();
#endif /* IMLIB2 */
	generate_text();
#ifdef X11
	if (ctx->output_methods & TO_X)
		clear_text(1);
#endif /* X11 */
	ctx->need_to_update = 1;
#ifdef HAVE_LUA
	llua_update_info(&ctx->info, update_interval);
#endif /* HAVE_LUA */
}

void initialisation(conky_context *ctx, int argc, char** argv);

	/* reload the config file */
static void reload_config(conky_context *ctx)
{
	char *current_config_copy = strdup(current_config);
	clean_up(NULL, NULL);
	current_config = current_config_copy;
	initialisation(ctx, argc_copy, argv_copy);
}

void clean_up(void *memtofree1, void *memtofree2)
{
	int i;

#ifdef NCURSES
	if(ctx->output_methods & TO_NCURSES) {
		endwin();
	}
#endif
	conftree_empty(currentconffile);
	currentconffile = NULL;
	if (memtofree1) {
		free(memtofree1);
	}
	if (memtofree2) {
		free(memtofree2);
	}
	timed_thread_destroy_registered_threads();

	if (ctx->info.cpu_usage) {
		free(ctx->info.cpu_usage);
		ctx->info.cpu_usage = NULL;
	}
#ifdef X11
	if (x_initialised == YES) {
		XClearArea(display, window.window, text_start_x - window.border_inner_margin - window.border_outer_margin - window.border_width,
				text_start_y - window.border_inner_margin - window.border_outer_margin - window.border_width,
				text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2,
				text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, 0);
		destroy_window();
		free_fonts();
		if(x11_stuff.region) {
			XDestroyRegion(x11_stuff.region);
			x11_stuff.region = NULL;
		}
		XCloseDisplay(display);
		display = NULL;
		if(ctx->info.x11.desktop.all_names) {
			free(ctx->info.x11.desktop.all_names);
			ctx->info.x11.desktop.all_names = NULL;
		}
		if (ctx->info.x11.desktop.name) {
			free(ctx->info.x11.desktop.name);
			ctx->info.x11.desktop.name = NULL;
		}
		x_initialised = NO;
	} else {
		free(ctx->fonts);	//in set_default_configurations a font is set but not loaded
		font_count = -1;
	}

#endif /* X11 */

	for (i = 0; i < MAX_TEMPLATES; i++) {
		if (template[i]) {
			free(template[i]);
			template[i] = NULL;
		}
	}

	free_text_objects(&global_root_object, 0);
	if (ctx->tmpstring1) {
		free(ctx->tmpstring1);
		ctx->tmpstring1 = 0;
	}
	if (ctx->tmpstring2) {
		free(ctx->tmpstring2);
		ctx->tmpstring2 = 0;
	}
	if (ctx->text_buffer) {
		free(ctx->text_buffer);
		ctx->text_buffer = 0;
	}

	if (global_text) {
		free(global_text);
		global_text = 0;
	}

	free(current_config);
	current_config = 0;

#ifdef TCP_PORT_MONITOR
	tcp_portmon_clear();
#endif
#ifdef HAVE_CURL
	ccurl_free_info();
#endif
#ifdef RSS
	rss_free_info();
#endif
#ifdef WEATHER
	weather_free_info();
#endif
#ifdef HAVE_LUA
	llua_shutdown_hook();
	llua_close();
#endif /* HAVE_LUA */
#ifdef IMLIB2
	cimlib_deinit();
#endif /* IMLIB2 */
#ifdef XOAP
	xmlCleanupParser();
#endif /* XOAP */

	if (specials) {
		for (i = 0; i < special_count; i++) {
			if (specials[i].type == GRAPH) {
				free(specials[i].graph);
			}
		}
		free(specials);
		specials = NULL;
	}

	clear_net_stats();
	clear_diskio_stats();
	clear_cpu_stats();
}

static int string_to_bool(const char *s)
{
	if (!s) {
		// Assumes an option without a true/false means true
		return 1;
	} else if (strcasecmp(s, "yes") == EQUAL) {
		return 1;
	} else if (strcasecmp(s, "true") == EQUAL) {
		return 1;
	} else if (strcasecmp(s, "1") == EQUAL) {
		return 1;
	}
	return 0;
}

#ifdef X11
enum alignment string_to_alignment(const char *s)
{
	if (strcasecmp(s, "top_left") == EQUAL) {
		return TOP_LEFT;
	} else if (strcasecmp(s, "top_right") == EQUAL) {
		return TOP_RIGHT;
	} else if (strcasecmp(s, "top_middle") == EQUAL) {
		return TOP_MIDDLE;
	} else if (strcasecmp(s, "bottom_left") == EQUAL) {
		return BOTTOM_LEFT;
	} else if (strcasecmp(s, "bottom_right") == EQUAL) {
		return BOTTOM_RIGHT;
	} else if (strcasecmp(s, "bottom_middle") == EQUAL) {
		return BOTTOM_MIDDLE;
	} else if (strcasecmp(s, "middle_left") == EQUAL) {
		return MIDDLE_LEFT;
	} else if (strcasecmp(s, "middle_right") == EQUAL) {
		return MIDDLE_RIGHT;
	} else if (strcasecmp(s, "tl") == EQUAL) {
		return TOP_LEFT;
	} else if (strcasecmp(s, "tr") == EQUAL) {
		return TOP_RIGHT;
	} else if (strcasecmp(s, "tm") == EQUAL) {
		return TOP_MIDDLE;
	} else if (strcasecmp(s, "bl") == EQUAL) {
		return BOTTOM_LEFT;
	} else if (strcasecmp(s, "br") == EQUAL) {
		return BOTTOM_RIGHT;
	} else if (strcasecmp(s, "bm") == EQUAL) {
		return BOTTOM_MIDDLE;
	} else if (strcasecmp(s, "ml") == EQUAL) {
		return MIDDLE_LEFT;
	} else if (strcasecmp(s, "mr") == EQUAL) {
		return MIDDLE_RIGHT;
	} else if (strcasecmp(s, "none") == EQUAL) {
		return NONE;
	}
	return TOP_LEFT;
}
#endif /* X11 */

#ifdef X11
static void set_default_configurations_for_x(void)
{
	default_fg_color = WhitePixel(display, screen);
	default_bg_color = BlackPixel(display, screen);
	default_out_color = BlackPixel(display, screen);
	color0 = default_fg_color;
	color1 = default_fg_color;
	color2 = default_fg_color;
	color3 = default_fg_color;
	color4 = default_fg_color;
	color5 = default_fg_color;
	color6 = default_fg_color;
	color7 = default_fg_color;
	color8 = default_fg_color;
	color9 = default_fg_color;
	current_text_color = default_fg_color;
}
#endif /* X11 */

void set_default_configurations(conky_context *ctx)
{
	int i;
#ifdef MPD
	char *mpd_env_host;
	char *mpd_env_port;
#endif
	ctx->text_buffer_size = DEFAULT_TEXT_BUFFER_SIZE;
	update_uname();
	ctx->info.cpu_avg_samples = 2;
	ctx->info.net_avg_samples = 2;
	ctx->info.diskio_avg_samples = 2;
	format_human_readable = 1;
#ifdef MPD
	mpd_env_host = getenv("MPD_HOST");
	mpd_env_port = getenv("MPD_PORT");

	if (!mpd_env_host || !strlen(mpd_env_host)) {
		mpd_set_host("localhost");
	} else {
		/* MPD_HOST environment variable is set */
		char *mpd_hostpart = strchr(mpd_env_host, '@');
		if (!mpd_hostpart) {
			mpd_set_host(mpd_env_host);
		} else {
			/* MPD_HOST contains a password */
			char mpd_password[mpd_hostpart - mpd_env_host + 1];
			snprintf(mpd_password, mpd_hostpart - mpd_env_host + 1, "%s", mpd_env_host);

			if (!strlen(mpd_hostpart + 1)) {
				mpd_set_host("localhost");
			} else {
				mpd_set_host(mpd_hostpart + 1);
			}

			mpd_set_password(mpd_password, 1);
		}
	}


	if (!mpd_env_port || mpd_set_port(mpd_env_port)) {
		/* failed to set port from environment variable */
		mpd_set_port("6600");
	}
#endif
#ifdef XMMS2
	ctx->info.xmms2.artist = NULL;
	ctx->info.xmms2.album = NULL;
	ctx->info.xmms2.title = NULL;
	ctx->info.xmms2.genre = NULL;
	ctx->info.xmms2.comment = NULL;
	ctx->info.xmms2.url = NULL;
	ctx->info.xmms2.status = NULL;
	ctx->info.xmms2.playlist = NULL;
#endif
	use_spacer = NO_SPACER;
#ifdef X11
	ctx->output_methods = TO_X;
#else
	ctx->output_methods = TO_STDOUT;
#endif
#ifdef X11
	show_graph_scale = 0;
	show_graph_range = 0;
	draw_shades = 1;
	draw_borders = 0;
	draw_graph_borders = 1;
	draw_outline = 0;
	set_first_font("6x10");
	gap_x = 5;
	gap_y = 60;
	minimum_width = 5;
	minimum_height = 5;
	maximum_width = 0;
#ifdef OWN_WINDOW
	own_window = 0;
	window.type = TYPE_NORMAL;
	window.hints = 0;
	strcpy(window.class_name, PACKAGE_NAME);
	sprintf(window.title, PACKAGE_NAME" (%s)", ctx->info.uname_s.nodename);
#endif
	stippled_borders = 0;
	window.border_inner_margin = 3;
	window.border_outer_margin = 1;
	window.border_width = 1;
	text_alignment = BOTTOM_LEFT;
	ctx->info.x11.monitor.number = 1;
	ctx->info.x11.monitor.current = 0;
	ctx->info.x11.desktop.current = 1; 
	ctx->info.x11.desktop.number = 1;
	ctx->info.x11.desktop.nitems = 0;
	ctx->info.x11.desktop.all_names = NULL; 
	ctx->info.x11.desktop.name = NULL; 
#endif /* X11 */

	for (i = 0; i < MAX_TEMPLATES; i++) {
		if (template[i])
			free(template[i]);
		template[i] = strdup("");
	}

	free(current_mail_spool);
	{
		char buf[256];

		variable_substitute(MAIL_FILE, buf, 256);
		if (buf[0] != '\0') {
			current_mail_spool = strndup(buf, text_buffer_size);
		}
	}

	no_buffers = 1;
	set_update_interval(3);
	update_interval_bat = NOBATTERY;
	ctx->info.music_player_interval = 1.0;
	stuff_in_uppercase = 0;
	ctx->info.users.number = 1;

#ifdef TCP_PORT_MONITOR
	/* set default connection limit */
	tcp_portmon_set_max_connections(0);
#endif
}

/* returns 1 if you can overwrite or create the file at 'path' */
static _Bool overwrite_works(const char *path)
{
	FILE *filepointer;

	if (!(filepointer = fopen(path, "w")))
		return 0;
	fclose(filepointer);
	return 1;
}

/* returns 1 if you can append or create the file at 'path' */
static _Bool append_works(const char *path)
{
	FILE *filepointer;

	if (!(filepointer = fopen(path, "a")))
		return 0;
	fclose(filepointer);
	return 1;
}

#ifdef X11
#ifdef DEBUG
/* WARNING, this type not in Xlib spec */
int x11_error_handler(Display *d, XErrorEvent *err)
	__attribute__((noreturn));
int x11_error_handler(Display *d, XErrorEvent *err)
{
	NORM_ERR("X Error: type %i Display %lx XID %li serial %lu error_code %i request_code %i minor_code %i other Display: %lx\n",
			err->type,
			(long unsigned)err->display,
			(long)err->resourceid,
			err->serial,
			err->error_code,
			err->request_code,
			err->minor_code,
			(long unsigned)d
			);
	abort();
}

int x11_ioerror_handler(Display *d)
	__attribute__((noreturn));
int x11_ioerror_handler(Display *d)
{
	NORM_ERR("X Error: Display %lx\n",
			(long unsigned)d
			);
	abort();
}
#endif /* DEBUG */

static void X11_initialisation(conky_context *ctx)
{
	if (x_initialised == YES) return;
	ctx->output_methods |= TO_X;
	init_X11(disp);
	set_default_configurations_for_x();
	x_initialised = YES;
#ifdef DEBUG
	_Xdebug = 1;
	/* WARNING, this type not in Xlib spec */
	XSetErrorHandler(&x11_error_handler);
	XSetIOErrorHandler(&x11_ioerror_handler);
#endif /* DEBUG */
}

void X11_create_window(conky_context *ctx)
{
	if (ctx->output_methods & TO_X) {
#ifdef OWN_WINDOW
		init_window(own_window, text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2,
				text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, set_transparent, background_colour,
				ctx->xargv, ctx->xargc);
#else /* OWN_WINDOW */
		init_window(0, text_width + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2,
				text_height + window.border_inner_margin * 2 + window.border_outer_margin * 2 + window.border_width * 2, set_transparent, 0,
				ctx->xargv, ctx->xargc);
#endif /* OWN_WINDOW */

		setup_fonts();
		load_fonts();
		update_text_area();	/* to position text/window on screen */

#ifdef OWN_WINDOW
		if (own_window && !fixed_pos) {
			XMoveWindow(display, window.window, window.x, window.y);
		}
		if (own_window) {
			set_transparent_background(window.window);
		}
#endif

		create_gc();

		draw_stuff();

		x11_stuff.region = XCreateRegion();
#ifdef HAVE_XDAMAGE
		if (!XDamageQueryExtension(display, &x11_stuff.event_base, &x11_stuff.error_base)) {
			NORM_ERR("Xdamage extension unavailable");
		}
		x11_stuff.damage = XDamageCreate(display, window.window, XDamageReportNonEmpty);
		x11_stuff.region2 = XFixesCreateRegionFromWindow(display, window.window, 0);
		x11_stuff.part = XFixesCreateRegionFromWindow(display, window.window, 0);
#endif /* HAVE_XDAMAGE */

		ctx->selected_font = 0;
		update_text_area();	/* to get initial size of the window */
	}
#ifdef HAVE_LUA
	/* setup lua window globals */
	llua_setup_window_table(text_start_x, text_start_y, text_width, text_height);
#endif /* HAVE_LUA */
}
#endif /* X11 */

#define CONF_ERR NORM_ERR("%s: %d: config file error", f, line)
#define CONF_ERR2(a) NORM_ERR("%s: %d: config file error: %s", f, line, a)
#define CONF2(a) if (strcasecmp(name, a) == 0)
#define CONF(a) else CONF2(a)
#define CONF3(a, b) else if (strcasecmp(name, a) == 0 \
		|| strcasecmp(name, b) == 0)
#define CONF_CONTINUE 1
#define CONF_BREAK 2
#define CONF_BUFF_SIZE 512

static FILE *open_config_file(const char *f)
{
#ifdef CONFIG_OUTPUT
	if (!strcmp(f, "==builtin==")) {
		return conf_cookie_open();
	} else
#endif /* CONFIG_OUTPUT */
		return fopen(f, "r");
}

static int do_config_step(int *line, FILE *fp, char *buf, char **name, char **value)
{
	char *p, *p2;
	(*line)++;
	if (fgets(buf, CONF_BUFF_SIZE, fp) == NULL) {
		return CONF_BREAK;
	}
	remove_comments(buf);

	p = buf;

	/* skip spaces */
	while (*p && isspace((int) *p)) {
		p++;
	}
	if (*p == '\0') {
		return CONF_CONTINUE;	/* empty line */
	}

	*name = p;

	/* skip name */
	p2 = p;
	while (*p2 && !isspace((int) *p2)) {
		p2++;
	}
	if (*p2 != '\0') {
		*p2 = '\0';	/* break at name's end */
		p2++;
	}

	/* get value */
	if (*p2) {
		p = p2;
		while (*p && isspace((int) *p)) {
			p++;
		}

		*value = p;

		p2 = *value + strlen(*value);
		while (isspace((int) *(p2 - 1))) {
			*--p2 = '\0';
		}
	} else {
		*value = 0;
	}
	return 0;
}

char load_config_file(conky_context *ctx, const char *f)
{
	int line = 0;
	FILE *fp;

	fp = open_config_file(f);
	if (!fp) {
		return FALSE;
	}
	DBGP("reading contents from config file '%s'", f);

	while (!feof(fp)) {
		char buff[CONF_BUFF_SIZE], *name, *value;
		int ret = do_config_step(&line, fp, buff, &name, &value);
		if (ret == CONF_BREAK) {
			break;
		} else if (ret == CONF_CONTINUE) {
			continue;
		}

#ifdef X11
		CONF2("out_to_x") {
			/* don't listen if X is already initialised or
			 * if we already know we don't want it */
			if(x_initialised != YES) {
				if (string_to_bool(value)) {
					ctx->output_methods &= TO_X;
				} else {
					ctx->output_methods &= ~TO_X;
					x_initialised = NEVER;
				}
			}
		}
		CONF("display") {
			if (!value || x_initialised == YES) {
				CONF_ERR;
			} else {
				if (disp)
					free(disp);
				disp = strdup(value);
			}
		}
		CONF("alignment") {
#ifdef OWN_WINDOW
			if (window.type == TYPE_DOCK)
				;
			else
#endif /*OWN_WINDOW */
			if (value) {
				int a = string_to_alignment(value);

				if (a <= 0) {
					CONF_ERR;
				} else {
					text_alignment = a;
				}
			} else {
				CONF_ERR;
			}
		}
		CONF("background") {
			fork_to_background = string_to_bool(value);
		}
#else
		CONF2("background") {
			fork_to_background = string_to_bool(value);
		}
#endif /* X11 */
#ifdef X11
		CONF("show_graph_scale") {
			show_graph_scale = string_to_bool(value);
		}
		CONF("show_graph_range") {
			show_graph_range = string_to_bool(value);
		}
		CONF("border_inner_margin") {
			if (value) {
				window.border_inner_margin = strtol(value, 0, 0);
				if (window.border_inner_margin < 0) window.border_inner_margin = 0;
			} else {
				CONF_ERR;
			}
		}
		CONF("border_outer_margin") {
			if (value) {
				window.border_outer_margin = strtol(value, 0, 0);
				if (window.border_outer_margin < 0) window.border_outer_margin = 0;
			} else {
				CONF_ERR;
			}
		}
		CONF("border_width") {
			if (value) {
				window.border_width = strtol(value, 0, 0);
				if (window.border_width < 0) window.border_width = 0;
			} else {
				CONF_ERR;
			}
		}
#endif /* X11 */
#define TEMPLATE_CONF(n) \
		CONF("template"#n) { \
			if (value) { \
				free(template[n]); \
				template[n] = strdup(value); \
			} else { \
				CONF_ERR; \
			} \
		}
		TEMPLATE_CONF(0)
		TEMPLATE_CONF(1)
		TEMPLATE_CONF(2)
		TEMPLATE_CONF(3)
		TEMPLATE_CONF(4)
		TEMPLATE_CONF(5)
		TEMPLATE_CONF(6)
		TEMPLATE_CONF(7)
		TEMPLATE_CONF(8)
		TEMPLATE_CONF(9)
		CONF("imap") {
			if (value) {
				ctx->info.mail = parse_mail_args(IMAP_TYPE, value);
			} else {
				CONF_ERR;
			}
		}
		CONF("pop3") {
			if (value) {
				ctx->info.mail = parse_mail_args(POP3_TYPE, value);
			} else {
				CONF_ERR;
			}
		}
		CONF("default_bar_size") {
			char err = 0;
			if (value) {
				if (sscanf(value, "%d %d", &default_bar_width, &default_bar_height) != 2) {
					err = 1;
				}
			} else {
				err = 1;
			}
			if (err) {
				CONF_ERR2("default_bar_size takes 2 integer arguments (ie. 'default_bar_size 0 6')")
			}
		}
#ifdef X11
		CONF("default_graph_size") {
			char err = 0;
			if (value) {
				if (sscanf(value, "%d %d", &default_graph_width, &default_graph_height) != 2) {
					err = 1;
				}
			} else {
				err = 1;
			}
			if (err) {
				CONF_ERR2("default_graph_size takes 2 integer arguments (ie. 'default_graph_size 0 6')")
			}
		}
		CONF("default_gauge_size") {
			char err = 0;
			if (value) {
				if (sscanf(value, "%d %d", &default_gauge_width, &default_gauge_height) != 2) {
					err = 1;
				}
			} else {
				err = 1;
			}
			if (err) {
				CONF_ERR2("default_gauge_size takes 2 integer arguments (ie. 'default_gauge_size 0 6')")
			}
		}
#endif
#ifdef MPD
		CONF("mpd_host") {
			if (value) {
				mpd_set_host(value);
			} else {
				CONF_ERR;
			}
		}
		CONF("mpd_port") {
			if (value && mpd_set_port(value)) {
				CONF_ERR;
			}
		}
		CONF("mpd_password") {
			if (value) {
				mpd_set_password(value, 0);
			} else {
				CONF_ERR;
			}
		}
#endif
		CONF("music_player_interval") {
			if (value) {
				ctx->info.music_player_interval = strtod(value, 0);
			} else {
				CONF_ERR;
			}
		}
#ifdef __OpenBSD__
		CONF("sensor_device") {
			if (value) {
				sensor_device = strtol(value, 0, 0);
			} else {
				CONF_ERR;
			}
		}
#endif
		CONF("cpu_avg_samples") {
			if (value) {
				cpu_avg_samples = strtol(value, 0, 0);
				if (cpu_avg_samples < 1 || cpu_avg_samples > 14) {
					CONF_ERR;
				} else {
					ctx->info.cpu_avg_samples = cpu_avg_samples;
				}
			} else {
				CONF_ERR;
			}
		}
		CONF("net_avg_samples") {
			if (value) {
				net_avg_samples = strtol(value, 0, 0);
				if (net_avg_samples < 1 || net_avg_samples > 14) {
					CONF_ERR;
				} else {
					ctx->info.net_avg_samples = net_avg_samples;
				}
			} else {
				CONF_ERR;
			}
		}
		CONF("diskio_avg_samples") {
			if (value) {
				diskio_avg_samples = strtol(value, 0, 0);
				if (diskio_avg_samples < 1 || diskio_avg_samples > 14) {
					CONF_ERR;
				} else {
					ctx->info.diskio_avg_samples = diskio_avg_samples;
				}
			} else {
				CONF_ERR;
			}
		}

#ifdef HAVE_XDBE
		CONF("double_buffer") {
			use_xdbe = string_to_bool(value);
		}
#endif
#ifdef X11
		CONF("override_utf8_locale") {
			utf8_mode = string_to_bool(value);
		}
		CONF("draw_borders") {
			draw_borders = string_to_bool(value);
		}
		CONF("draw_graph_borders") {
			draw_graph_borders = string_to_bool(value);
		}
		CONF("draw_shades") {
			draw_shades = string_to_bool(value);
		}
		CONF("draw_outline") {
			draw_outline = string_to_bool(value);
		}
#endif /* X11 */
		CONF("out_to_console") {
			if(string_to_bool(value)) {
				ctx->output_methods |= TO_STDOUT;
			} else {
				ctx->output_methods &= ~TO_STDOUT;
			}
		}
		CONF("extra_newline") {
			extra_newline = string_to_bool(value);
		}
		CONF("out_to_stderr") {
			if(string_to_bool(value))
				ctx->output_methods |= TO_STDERR;
		}
#ifdef NCURSES
		CONF("out_to_ncurses") {
			if(string_to_bool(value)) {
				initscr();
				start_color();
				ctx->output_methods |= TO_NCURSES;
			}
		}
#endif
		CONF("overwrite_file") {
			if(overwrite_file) {
				free(overwrite_file);
				overwrite_file = 0;
			}
			if(overwrite_works(value)) {
				overwrite_file = strdup(value);
				ctx->output_methods |= OVERWRITE_FILE;
			} else
				NORM_ERR("overwrite_file won't be able to create/overwrite '%s'", value);
		}
		CONF("append_file") {
			if(append_file) {
				free(append_file);
				append_file = 0;
			}
			if(append_works(value)) {
				append_file = strdup(value);
				ctx->output_methods |= APPEND_FILE;
			} else
				NORM_ERR("append_file won't be able to create/append '%s'", value);
		}
		CONF("use_spacer") {
			if (value) {
				if (strcasecmp(value, "left") == EQUAL) {
					use_spacer = LEFT_SPACER;
				} else if (strcasecmp(value, "right") == EQUAL) {
					use_spacer = RIGHT_SPACER;
				} else if (strcasecmp(value, "none") == EQUAL) {
					use_spacer = NO_SPACER;
				} else {
					use_spacer = string_to_bool(value);
					NORM_ERR("use_spacer should have an argument of left, right, or"
						" none.  '%s' seems to be some form of '%s', so"
						" defaulting to %s.", value,
						use_spacer ? "true" : "false",
						use_spacer ? "right" : "none");
					if (use_spacer) {
						use_spacer = RIGHT_SPACER;
					} else {
						use_spacer = NO_SPACER;
					}
				}
			} else {
				NORM_ERR("use_spacer should have an argument. Defaulting to right.");
				use_spacer = RIGHT_SPACER;
			}
		}
#ifdef X11
#ifdef XFT
		CONF("use_xft") {
			use_xft = string_to_bool(value);
		}
		CONF("font") {
			if (value) {
				set_first_font(value);
			}
		}
		CONF("xftalpha") {
			if (value && font_count >= 0) {
				ctx->fonts[0].font_alpha = atof(value) * 65535.0;
			}
		}
		CONF("xftfont") {
			if (use_xft) {
#else
		CONF("use_xft") {
			if (string_to_bool(value)) {
				NORM_ERR("Xft not enabled at compile time");
			}
		}
		CONF("xftfont") {
			/* xftfont silently ignored when no Xft */
		}
		CONF("xftalpha") {
			/* xftalpha is silently ignored when no Xft */
		}
		CONF("font") {
#endif
			if (value) {
				set_first_font(value);
			}
#ifdef XFT
			}
#endif
		}
		CONF("gap_x") {
			if (value) {
				gap_x = atoi(value);
			} else {
				CONF_ERR;
			}
		}
		CONF("gap_y") {
			if (value) {
				gap_y = atoi(value);
			} else {
				CONF_ERR;
			}
		}
#endif /* X11 */
		CONF("mail_spool") {
			if (value) {
				char buffer[256];

				variable_substitute(value, buffer, 256);

				if (buffer[0] != '\0') {
					if (current_mail_spool) {
						free(current_mail_spool);
					}
					current_mail_spool = strndup(buffer, text_buffer_size);
				}
			} else {
				CONF_ERR;
			}
		}
#ifdef X11
		CONF("minimum_size") {
			if (value) {
				if (sscanf(value, "%d %d", &minimum_width, &minimum_height)
						!= 2) {
					if (sscanf(value, "%d", &minimum_width) != 1) {
						CONF_ERR;
					}
				}
			} else {
				CONF_ERR;
			}
		}
		CONF("maximum_width") {
			if (value) {
				if (sscanf(value, "%d", &maximum_width) != 1) {
					CONF_ERR;
				}
			} else {
				CONF_ERR;
			}
		}
#endif /* X11 */
		CONF("no_buffers") {
			no_buffers = string_to_bool(value);
		}
		CONF("top_name_width") {
			if (value) {
				if (sscanf(value, "%u", &top_name_width) != 1) {
					CONF_ERR;
				}
			} else {
				CONF_ERR;
			}
			if (top_name_width >= max_user_text) {
				top_name_width = max_user_text - 1;
			}
		}
		CONF("top_cpu_separate") {
			cpu_separate = string_to_bool(value);
		}
		CONF("short_units") {
			short_units = string_to_bool(value);
		}
		CONF("format_human_readable") {
			format_human_readable = string_to_bool(value);
		}
		CONF("pad_percents") {
			pad_percents = atoi(value);
		}
#ifdef X11
#ifdef OWN_WINDOW
		CONF("own_window") {
			if (value) {
				own_window = string_to_bool(value);
			}
		}
		CONF("own_window_class") {
			if (value) {
				memset(window.class_name, 0, sizeof(window.class_name));
				strncpy(window.class_name, value,
						sizeof(window.class_name) - 1);
			}
		}
		CONF("own_window_title") {
			if (value) {
				memset(window.title, 0, sizeof(window.title));
				strncpy(window.title, value, sizeof(window.title) - 1);
			}
		}
		CONF("own_window_transparent") {
			if (value) {
				set_transparent = string_to_bool(value);
			}
		}
		CONF("own_window_hints") {
			if (value) {
				char *p_hint, *p_save;
				char delim[] = ", ";

				/* tokenize the value into individual hints */
				if ((p_hint = strtok_r(value, delim, &p_save)) != NULL) {
					do {
						/* fprintf(stderr, "hint [%s] parsed\n", p_hint); */
						if (strncmp(p_hint, "undecorate", 10) == EQUAL) {
							SET_HINT(window.hints, HINT_UNDECORATED);
						} else if (strncmp(p_hint, "below", 5) == EQUAL) {
							SET_HINT(window.hints, HINT_BELOW);
						} else if (strncmp(p_hint, "above", 5) == EQUAL) {
							SET_HINT(window.hints, HINT_ABOVE);
						} else if (strncmp(p_hint, "sticky", 6) == EQUAL) {
							SET_HINT(window.hints, HINT_STICKY);
						} else if (strncmp(p_hint, "skip_taskbar", 12) == EQUAL) {
							SET_HINT(window.hints, HINT_SKIP_TASKBAR);
						} else if (strncmp(p_hint, "skip_pager", 10) == EQUAL) {
							SET_HINT(window.hints, HINT_SKIP_PAGER);
						} else {
							CONF_ERR;
						}

						p_hint = strtok_r(NULL, delim, &p_save);
					} while (p_hint != NULL);
				}
			} else {
				CONF_ERR;
			}
		}
		CONF("own_window_type") {
			if (value) {
				if (strncmp(value, "normal", 6) == EQUAL) {
					window.type = TYPE_NORMAL;
				} else if (strncmp(value, "desktop", 7) == EQUAL) {
					window.type = TYPE_DESKTOP;
				} else if (strncmp(value, "dock", 4) == EQUAL) {
					window.type = TYPE_DOCK;
					text_alignment = TOP_LEFT;
				} else if (strncmp(value, "panel", 5) == EQUAL) {
					window.type = TYPE_PANEL;
				} else if (strncmp(value, "override", 8) == EQUAL) {
					window.type = TYPE_OVERRIDE;
				} else {
					CONF_ERR;
				}
			} else {
				CONF_ERR;
			}
		}
#endif
		CONF("stippled_borders") {
			if (value) {
				stippled_borders = strtol(value, 0, 0);
			} else {
				stippled_borders = 4;
			}
		}
#ifdef IMLIB2
		CONF("imlib_cache_size") {
			if (value) {
				cimlib_set_cache_size(atoi(value));
			}
		}
		CONF("imlib_cache_flush_interval") {
			if (value) {
				cimlib_set_cache_flush_interval(atoi(value));
			}
		}
#endif /* IMLIB2 */
#endif /* X11 */
		CONF("update_interval_on_battery") {
			if (value) {
				update_interval_bat = strtod(value, 0);
			} else {
				CONF_ERR;
			}
		}
		CONF("update_interval") {
			if (value) {
				set_update_interval(strtod(value, 0));
			} else {
				CONF_ERR;
			}
			if (ctx->info.music_player_interval == 0) {
				// default to update_interval
				ctx->info.music_player_interval = ctx->update_interval;
			}
		}
		CONF("total_run_times") {
			if (value) {
				ctx->total_run_times = strtod(value, 0);
			} else {
				CONF_ERR;
			}
		}
		CONF("uppercase") {
			stuff_in_uppercase = string_to_bool(value);
		}
		CONF("max_specials") {
			if (value) {
				max_specials = atoi(value);
			} else {
				CONF_ERR;
			}
		}
		CONF("max_user_text") {
			if (value) {
				max_user_text = atoi(value);
			} else {
				CONF_ERR;
			}
		}
		CONF("text_buffer_size") {
			if (value) {
				text_buffer_size = atoi(value);
				if (text_buffer_size < DEFAULT_TEXT_BUFFER_SIZE) {
					NORM_ERR("text_buffer_size must be >=%i bytes", DEFAULT_TEXT_BUFFER_SIZE);
					text_buffer_size = DEFAULT_TEXT_BUFFER_SIZE;
				}
			} else {
				CONF_ERR;
			}
		}
		CONF("text") {
#ifdef X11
			if (ctx->output_methods & TO_X) {
				X11_initialisation();
			}
#endif

			if (global_text) {
				free(global_text);
				global_text = 0;
			}

			global_text = (char *) malloc(1);
			global_text[0] = '\0';

			while (!feof(fp)) {
				unsigned int l = strlen(global_text);
				unsigned int bl;
				char buf[CONF_BUFF_SIZE];

				if (fgets(buf, CONF_BUFF_SIZE, fp) == NULL) {
					break;
				}

				/* Remove \\-\n. */
				bl = strlen(buf);
				if (bl >= 2 && buf[bl-2] == '\\' && buf[bl-1] == '\n') {
					buf[bl-2] = '\0';
					bl -= 2;
					if (bl == 0) {
						continue;
					}
				}

				/* Check for continuation of \\-\n. */
				if (l > 0 && buf[0] == '\n' && global_text[l-1] == '\\') {
					global_text[l-1] = '\0';
					continue;
				}

				global_text = (char *) realloc(global_text, l + bl + 1);
				strcat(global_text, buf);

				if (strlen(global_text) > max_user_text) {
					break;
				}
			}
			fclose(fp);
			if (strlen(global_text) < 1) {
				CRIT_ERR(NULL, NULL, "no text supplied in configuration; exiting");
			}
			global_text_lines = line + 1;
			return TRUE;
		}
#ifdef TCP_PORT_MONITOR
		CONF("max_port_monitor_connections") {
			int max;
			if (!value || (sscanf(value, "%d", &max) != 1)) {
				/* an error. use default, warn and continue. */
				tcp_portmon_set_max_connections(0);
				CONF_ERR;
			} else if (tcp_portmon_set_max_connections(max)) {
				/* max is < 0, default has been set*/
				CONF_ERR;
			}
		}
#endif
		CONF("if_up_strictness") {
			if (!value) {
				NORM_ERR("incorrect if_up_strictness value, defaulting to 'up'");
				ifup_strictness = IFUP_UP;
			} else if (strcasecmp(value, "up") == EQUAL) {
				ifup_strictness = IFUP_UP;
			} else if (strcasecmp(value, "link") == EQUAL) {
				ifup_strictness = IFUP_LINK;
			} else if (strcasecmp(value, "address") == EQUAL) {
				ifup_strictness = IFUP_ADDR;
			} else {
				NORM_ERR("incorrect if_up_strictness value, defaulting to 'up'");
				ifup_strictness = IFUP_UP;
			}
		}

		CONF("temperature_unit") {
			if (!value) {
				NORM_ERR("config option 'temperature_unit' needs an argument, either 'celsius' or 'fahrenheit'");
			} else if (set_temp_output_unit(value)) {
				NORM_ERR("temperature_unit: incorrect argument");
			}
		}

#ifdef HAVE_LUA
		CONF("lua_load") {
			if (value) {
				char *ptr = strtok(value, " ");
				while (ptr) {
					llua_load(ptr);
					ptr = strtok(NULL, " ");
				}
			} else {
				CONF_ERR;
			}
		}
#ifdef X11
		CONF("lua_draw_hook_pre") {
			if (value) {
				llua_set_draw_pre_hook(value);
			} else {
				CONF_ERR;
			}
		}
		CONF("lua_draw_hook_post") {
			if (value) {
				llua_set_draw_post_hook(value);
			} else {
				CONF_ERR;
			}
		}
		CONF("lua_startup_hook") {
			if (value) {
				llua_set_startup_hook(value);
			} else {
				CONF_ERR;
			}
		}
		CONF("lua_shutdown_hook") {
			if (value) {
				llua_set_shutdown_hook(value);
			} else {
				CONF_ERR;
			}
		}
#endif /* X11 */
#endif /* HAVE_LUA */

		CONF("color0"){}
		CONF("color1"){}
		CONF("color2"){}
		CONF("color3"){}
		CONF("color4"){}
		CONF("color5"){}
		CONF("color6"){}
		CONF("color7"){}
		CONF("color8"){}
		CONF("color9"){}
		CONF("default_color"){}
		CONF3("default_shade_color", "default_shadecolor"){}
		CONF3("default_outline_color", "default_outlinecolor") {}
		CONF("own_window_colour") {}

		else {
			NORM_ERR("%s: %d: no such configuration: '%s'", f, line, name);
		}
	}

	fclose(fp);

	if (ctx->info.music_player_interval == 0) {
		// default to update_interval
		ctx->info.music_player_interval = ctx->update_interval;
	}
	if (!global_text) { // didn't supply any text
		CRIT_ERR(NULL, NULL, "missing text block in configuration; exiting");
	}
	return TRUE;
}

#ifdef X11
void load_config_file_x11(conky_context *ctx, const char *f)
{
	int line = 0;
	FILE *fp;

	fp = open_config_file(f);
	if (!fp) {
		return;
	}
	DBGP("reading contents from config file '%s'", f);

	while (!feof(fp)) {
		char buff[CONF_BUFF_SIZE], *name, *value;
		int ret = do_config_step(&line, fp, buff, &name, &value);
		if (ret == CONF_BREAK) {
			break;
		} else if (ret == CONF_CONTINUE) {
			continue;
		}

		CONF2("color0") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color0 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("color1") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color1 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("color2") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color2 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("color3") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color3 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("color4") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color4 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("color5") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color5 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("color6") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color6 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("color7") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color7 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("color8") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color8 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("color9") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					color9 = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF("default_color") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					default_fg_color = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF3("default_shade_color", "default_shadecolor") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					default_bg_color = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
		CONF3("default_outline_color", "default_outlinecolor") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					default_out_color = get_x11_color(value);
				} else {
					CONF_ERR;
				}
			}
		}
#ifdef OWN_WINDOW
		CONF("own_window_colour") {
			X11_initialisation();
			if (x_initialised == YES) {
				if (value) {
					background_colour = get_x11_color(value);
				} else {
					NORM_ERR("Invalid colour for own_window_colour (try omitting the "
						"'#' for hex colours");
				}
			}
		}
#endif
		CONF("text") {
			/* initialize X11 if nothing X11-related is mentioned before TEXT (and if X11 is the default outputmethod) */
			if (ctx->output_methods & TO_X) {
				X11_initialisation();
			}
		}
#undef CONF
#undef CONF2
#undef CONF3
#undef CONF_ERR
#undef CONF_ERR2
#undef CONF_BREAK
#undef CONF_CONTINUE
#undef CONF_BUFF_SIZE
	}

	fclose(fp);

}
#endif /* X11 */