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- /*
- * wmfs2 by Martin Duquesnoy <xorg62@gmail.com> { for(i = 2011; i < 2111; ++i) ©(i); }
- * For license, see COPYING.
- */
- #ifndef UTIL_H
- #define UTIL_H
- #include "wmfs.h"
- #include <string.h>
- /* Todo FREE_LIST(type, head, function_remove) */
- #define FREE_LIST(type, head) \
- do { \
- struct type *Z; \
- while(!SLIST_EMPTY(&head)) { \
- Z = SLIST_FIRST(&head); \
- SLIST_REMOVE_HEAD(&head, next); \
- free(Z); /* function_remove(t)*/ \
- } \
- } while(/* CONSTCOND */ 0);
- /* Insert at the end with SLIST */
- #define SLIST_INSERT_TAIL(head, elem, field, prev) \
- if(!prev) \
- SLIST_INSERT_HEAD(head, elem, field); \
- else \
- SLIST_INSERT_AFTER(prev, elem, field);
- /* t is Map or Unmap */
- #define WIN_STATE(w, t) do { \
- X##t##Subwindows(W->dpy, w); \
- X##t##Window(W->dpy, w); \
- } while( /* CONSTCOND */ 0);
- #define ATOM(a) XInternAtom(W->dpy, (a), False)
- #define LEN(x) (sizeof(x) / sizeof(*x))
- #define FLAGINT(i) (1 << i)
- #define FLAGAPPLY(f, b, m) (f |= (b ? m : 0))
- #define ATOI(s) strtol(s, NULL, 10)
- #define ABS(j) (j < 0 ? -j : j)
- #define INAREA(i, j, a) ((i) >= (a).x && (i) <= (a).x + (a).w && (j) >= (a).y && (j) <= (a).y + (a).h)
- #define GEOCMP(g1, g2) ((g1).x == (g2).x && (g1).y == (g2).y && (g1).w == (g2).w && (g1).h == (g2).h)
- /*
- * "#RRGGBB" -> 0xRRGGBB
- */
- static inline Color
- color_atoh(const char *col)
- {
- XColor xcolor;
- if(!XAllocNamedColor(W->dpy, DefaultColormap(W->dpy, W->xscreen), col, &xcolor, &xcolor))
- warnl("Error: cannot allocate color \"%s\".", col);
- return xcolor.pixel;
- }
- static inline void
- swap_ptr(void **x, void **y)
- {
- void *t = *x;
- *x = *y;
- *y = t;
- }
- static inline void
- swap_int(int *x, int *y)
- {
- *y = *x ^ *y;
- *x = *y ^ *x;
- *y = *x ^ *y;
- }
- static inline enum position
- str_to_position(char *str)
- {
- enum position i;
- static const char index[PositionLast][8] = { "right", "left", "top", "bottom", "center" };
- for(i = 0; i < PositionLast; ++i)
- if(!strcmp(index[i], str))
- return i;
- return Right;
- }
- void *xmalloc(size_t nmemb, size_t size);
- void *xcalloc(size_t nmemb, size_t size);
- void *xrealloc(void *ptr, size_t nmemb, size_t size);
- int xasprintf(char **strp, const char *fmt, ...);
- char *xstrdup(const char *str);
- pid_t spawn(const char *format, ...);
- int parse_args(char *str, char delim, char end, int narg, char *args[]);
- void uicb_spawn(Uicb cmd);
- #endif /* UTIL_H */
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