X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Futil.c;h=a59283a8dd044a788a645b3296b481bcce4c621d;hb=f454a5c2dd253abbe31cfbc8966a03a56222228b;hp=cfe4c953db029c1333e4f9ed90396cb8d79c58a6;hpb=f354f534357798eb3ba497b7143132f41ff090f6;p=i3%2Fi3 diff --git a/src/util.c b/src/util.c index cfe4c953..a59283a8 100644 --- a/src/util.c +++ b/src/util.c @@ -66,6 +66,34 @@ __attribute__((pure)) bool name_is_digits(const char *name) { 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". @@ -259,7 +287,7 @@ void i3_restart(bool forget_layout) { 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 */ @@ -430,3 +458,60 @@ void kill_nagbar(pid_t *nagbar_pid, bool wait_for_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; +} + +/* + * Convert a direction to its corresponding orientation. + * + */ +orientation_t orientation_from_direction(direction_t direction) { + return (direction == D_LEFT || direction == D_RIGHT) ? HORIZ : VERT; +}