X-Git-Url: https://git.sur5r.net/?p=i3%2Fi3;a=blobdiff_plain;f=include%2Futil.h;h=d08ac69df9cc4205dfcc791b7d8b76f77baa943e;hp=e5ba3341336e0ce6531bd5139b60e9091903bdd1;hb=HEAD;hpb=f58dde28504cd78267439ec232be9689ff82d47c diff --git a/include/util.h b/include/util.h index e5ba3341..d08ac69d 100644 --- a/include/util.h +++ b/include/util.h @@ -25,9 +25,6 @@ #define STARTS_WITH(string, needle) (strncasecmp((string), (needle), strlen((needle))) == 0) #define CIRCLEQ_NEXT_OR_NULL(head, elm, field) (CIRCLEQ_NEXT(elm, field) != CIRCLEQ_END(head) ? CIRCLEQ_NEXT(elm, field) : NULL) #define CIRCLEQ_PREV_OR_NULL(head, elm, field) (CIRCLEQ_PREV(elm, field) != CIRCLEQ_END(head) ? CIRCLEQ_PREV(elm, field) : NULL) -#define FOR_TABLE(workspace) \ - for (int cols = 0; cols < (workspace)->cols; cols++) \ - for (int rows = 0; rows < (workspace)->rows; rows++) #define NODES_FOREACH(head) \ for (Con *child = (Con *)-1; (child == (Con *)-1) && ((child = 0), true);) \ @@ -47,16 +44,21 @@ break; \ } -#define FREE(pointer) \ - do { \ - if (pointer != NULL) { \ - free(pointer); \ - pointer = NULL; \ - } \ +#define FREE(pointer) \ + do { \ + free(pointer); \ + pointer = NULL; \ } while (0) #define CALL(obj, member, ...) obj->member(obj, ##__VA_ARGS__) +#define SWAP(first, second, type) \ + do { \ + type tmp_SWAP = first; \ + first = second; \ + second = tmp_SWAP; \ + } while (0) + int min(int a, int b); int max(int a, int b); bool rect_contains(Rect rect, uint32_t x, uint32_t y); @@ -69,6 +71,14 @@ Rect rect_sub(Rect a, Rect b); */ __attribute__((pure)) bool name_is_digits(const char *name); +/** + * Set 'out' to the layout_t value for the given layout. The function + * returns true on success or false if the passed string is not a valid + * layout name. + * + */ +bool layout_from_name(const char *layout_str, layout_t *out); + /** * Parses the workspace name as a number. Returns -1 if the workspace should be * interpreted as a "named workspace". @@ -115,7 +125,7 @@ void i3_restart(bool forget_layout); #if defined(__OpenBSD__) || defined(__APPLE__) -/* +/** * Taken from FreeBSD * Find the first occurrence of the byte string s in byte string l. * @@ -149,3 +159,24 @@ void start_nagbar(pid_t *nagbar_pid, char *argv[]); * */ void kill_nagbar(pid_t *nagbar_pid, bool wait_for_it); + +/** + * Converts a string into a long using strtol(). + * This is a convenience wrapper checking the parsing result. It returns true + * if the number could be parsed. + */ +bool parse_long(const char *str, long *out, int base); + +/** + * Slurp reads path in its entirety into buf, returning the length of the file + * or -1 if the file could not be read. buf is set to a buffer of appropriate + * size, or NULL if -1 is returned. + * + */ +ssize_t slurp(const char *path, char **buf); + +/** + * Convert a direction to its corresponding orientation. + * + */ +orientation_t orientation_from_direction(direction_t direction);