Prevent potential memory leak

[bspwm.git] / helpers.h

diff --git a/helpers.h b/helpers.h
index 037fac3892be25ce02434091536f4179d61d8b3f..67921bccbd0867d82ed6d2299b4eba08583844ea 100644 (file)
--- a/helpers.h
+++ b/helpers.h
@@ -1,34 +1,60 @@
-#ifndef _HELPERS_H
-#define _HELPERS_H
+/* Copyright (c) 2012, Bastien Dejean
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ */
+
+#ifndef BSPWM_HELPERS_H
+#define BSPWM_HELPERS_H
 
 #include <xcb/xcb.h>
 #include <stdarg.h>
 #include <stdio.h>
+#include <stdbool.h>
 #include <stdint.h>
 
 #define LENGTH(x)         (sizeof(x) / sizeof(*x))
 #define MAX(A, B)         ((A) > (B) ? (A) : (B))
 #define MIN(A, B)         ((A) < (B) ? (A) : (B))
 #define BOOLSTR(A)        ((A) ? "true" : "false")
+#define ONOFFSTR(A)       ((A) ? "on" : "off")
+#define LAYERSTR(A)       ((A) == LAYER_BELOW ? "below" : ((A) == LAYER_NORMAL ? "normal" : "above"))
+#define STATESTR(A)       ((A) == STATE_TILED ? "tiled" : ((A) == STATE_FLOATING ? "floating" : ((A) == STATE_FULLSCREEN ? "fullscreen" : "pseudo_tiled")))
+#define IS_TILED(c)       (c->state == STATE_TILED || c->state == STATE_PSEUDO_TILED)
+#define IS_FLOATING(c)    (c->state == STATE_FLOATING)
+#define IS_FULLSCREEN(c)  (c->state == STATE_FULLSCREEN)
 
-#define XCB_CONFIG_WINDOW_X_Y_WIDTH_HEIGHT XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT
-#define XCB_CONFIG_WINDOW_X_Y XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y
-#define MAXLEN 256
+#define XCB_CONFIG_WINDOW_X_Y               XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y
+#define XCB_CONFIG_WINDOW_WIDTH_HEIGHT      XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT
+#define XCB_CONFIG_WINDOW_X_Y_WIDTH_HEIGHT  XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT
 
-#define REMLEN(x)         (BUFSIZ - strlen(x) - 1)
+#define MAXLEN    256
+#define SMALEN     32
+#define INIT_CAP    8
 
-#ifdef DEBUG
-#  define PUTS(x)         puts(x)
-#  define PRINTF(x,...)   printf(x, __VA_ARGS__)
-#else
-#  define PUTS(x)         ((void)0)
-#  define PRINTF(x,...)   ((void)0)
-#endif
+#define streq(s1, s2)     (strcmp((s1), (s2)) == 0)
 
-void warn(char *, ...);
-__attribute__((noreturn))
-void err(char *, ...);
-uint32_t get_color(char *);
-void update_pointer_position(xcb_point_t *);
+void warn(char *fmt, ...);
+void err(char *fmt, ...);
+bool get_color(char *col, xcb_window_t win, uint32_t *pxl);
+double distance(xcb_point_t a, xcb_point_t b);
 
 #endif