-#undef I3__FILE__
-#define I3__FILE__ "util.c"
/*
* vim:ts=4:sw=4:expandtab
*
return true;
}
+/*
+ * 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) {
+ if (strcmp(layout_str, "default") == 0) {
+ *out = L_DEFAULT;
+ return true;
+ } else if (strcasecmp(layout_str, "stacked") == 0 ||
+ strcasecmp(layout_str, "stacking") == 0) {
+ *out = L_STACKED;
+ return true;
+ } else if (strcasecmp(layout_str, "tabbed") == 0) {
+ *out = L_TABBED;
+ return true;
+ } else if (strcasecmp(layout_str, "splitv") == 0) {
+ *out = L_SPLITV;
+ return true;
+ } else if (strcasecmp(layout_str, "splith") == 0) {
+ *out = L_SPLITH;
+ return true;
+ }
+
+ return false;
+}
+
/*
* Parses the workspace name as a number. Returns -1 if the workspace should be
* interpreted as a "named workspace".
_exit(2);
}
-/*
- * Checks a generic cookie for errors and quits with the given message if there
- * was an error.
- *
- */
-void check_error(xcb_connection_t *conn, xcb_void_cookie_t cookie, char *err_message) {
- xcb_generic_error_t *error = xcb_request_check(conn, cookie);
- if (error != NULL) {
- fprintf(stderr, "ERROR: %s (X error %d)\n", err_message, error->error_code);
- xcb_disconnect(conn);
- exit(-1);
- }
-}
-
/*
* Checks if the given path exists by calling stat().
*
restore_geometry();
- ipc_shutdown();
+ ipc_shutdown(SHUTDOWN_REASON_RESTART);
LOG("restarting \"%s\"...\n", start_argv[0]);
/* make sure -a is in the argument list or add it */
* waitpid() here. */
waitpid(*nagbar_pid, NULL, 0);
}
+
+/*
+ * 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) {
+ char *end;
+ long result = strtol(str, &end, base);
+ if (result == LONG_MIN || result == LONG_MAX || result < 0 || (end != NULL && *end != '\0')) {
+ *out = result;
+ return false;
+ }
+
+ *out = result;
+ return true;
+}
+
+/*
+ * 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) {
+ FILE *f;
+ if ((f = fopen(path, "r")) == NULL) {
+ ELOG("Cannot open file \"%s\": %s\n", path, strerror(errno));
+ return -1;
+ }
+ struct stat stbuf;
+ if (fstat(fileno(f), &stbuf) != 0) {
+ ELOG("Cannot fstat() \"%s\": %s\n", path, strerror(errno));
+ fclose(f);
+ return -1;
+ }
+ /* Allocate one extra NUL byte to make the buffer usable with C string
+ * functions. yajl doesn’t need this, but this makes slurp safer. */
+ *buf = scalloc(stbuf.st_size + 1, 1);
+ size_t n = fread(*buf, 1, stbuf.st_size, f);
+ fclose(f);
+ if ((ssize_t)n != stbuf.st_size) {
+ ELOG("File \"%s\" could not be read entirely: got %zd, want %" PRIi64 "\n", path, n, (int64_t)stbuf.st_size);
+ free(*buf);
+ *buf = NULL;
+ return -1;
+ }
+ return (ssize_t)n;
+}