X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fmisc.c;h=8b86b89c3476d77a01244b9cf956bf1ce82309b4;hb=74b5b6c19587f93c45b72b1153154030dc99b50d;hp=e1badb59fd82a338d8ff30ff9836b400313f1342;hpb=36357e8399d0a42ac45a1cd096aee24a9008b5f5;p=rocksndiamonds.git diff --git a/src/misc.c b/src/misc.c index e1badb59..8b86b89c 100644 --- a/src/misc.c +++ b/src/misc.c @@ -11,15 +11,17 @@ * misc.c * ***********************************************************/ -#include -#include #include #include -#include #include #include #include +#ifndef WIN32 +#include +#include +#endif + #include "misc.h" #include "init.h" #include "tools.h" @@ -40,11 +42,31 @@ END_OF_FUNCTION(increment_counter); #endif - /* maximal allowed length of a command line option */ #define MAX_OPTION_LEN 256 +#ifdef USE_SDL_LIBRARY + +static unsigned long mainCounter(int mode) +{ + static unsigned long base_ms = 0; + unsigned long current_ms; + unsigned long counter_ms; + + current_ms = SDL_GetTicks(); + + /* reset base time in case of counter initializing or wrap-around */ + if (mode == INIT_COUNTER || current_ms < base_ms) + base_ms = current_ms; + + counter_ms = current_ms - base_ms; + + return counter_ms; /* return milliseconds since last init */ +} + +#else /* !USE_SDL_LIBRARY */ #ifndef MSDOS + static unsigned long mainCounter(int mode) { static struct timeval base_time = { 0, 0 }; @@ -53,6 +75,7 @@ static unsigned long mainCounter(int mode) gettimeofday(¤t_time, NULL); + /* reset base time in case of counter initializing or wrap-around */ if (mode == INIT_COUNTER || current_time.tv_sec < base_time.tv_sec) base_time = current_time; @@ -61,7 +84,9 @@ static unsigned long mainCounter(int mode) return counter_ms; /* return milliseconds since last init */ } -#endif + +#endif /* !MSDOS */ +#endif /* !USE_SDL_LIBRARY */ void InitCounter() /* set counter back to zero */ { @@ -88,7 +113,7 @@ static void sleep_milliseconds(unsigned long milliseconds_delay) boolean do_busy_waiting = (milliseconds_delay < 5 ? TRUE : FALSE); #ifdef MSDOS - /* donït use select() to perform waiting operations under DOS/Windows + /* don't use select() to perform waiting operations under DOS/Windows environment; always use a busy loop for waiting instead */ do_busy_waiting = TRUE; #endif @@ -108,6 +133,9 @@ static void sleep_milliseconds(unsigned long milliseconds_delay) } else { +#ifdef USE_SDL_LIBRARY + SDL_Delay(milliseconds_delay); +#else /* !USE_SDL_LIBRARY */ struct timeval delay; delay.tv_sec = milliseconds_delay / 1000; @@ -115,6 +143,7 @@ static void sleep_milliseconds(unsigned long milliseconds_delay) if (select(0, NULL, NULL, NULL, &delay) != 0) Error(ERR_WARN, "sleep_milliseconds(): select() failed"); +#endif /* !USE_SDL_LIBRARY */ } } @@ -199,12 +228,25 @@ char *int2str(int number, int size) unsigned int SimpleRND(unsigned int max) { +#ifdef USE_SDL_LIBRARY + + static unsigned long root = 654321; + unsigned long current_ms; + + current_ms = SDL_GetTicks(); + root = root * 4253261 + current_ms; + return (root % max); + +#else /* !USE_SDL_LIBRARY */ + static unsigned long root = 654321; struct timeval current_time; - gettimeofday(¤t_time,NULL); + gettimeofday(¤t_time, NULL); root = root * 4253261 + current_time.tv_sec + current_time.tv_usec; return (root % max); + +#endif /* !USE_SDL_LIBRARY */ } #ifdef DEBUG @@ -227,34 +269,56 @@ unsigned int RND(unsigned int max) unsigned int InitRND(long seed) { +#ifdef USE_SDL_LIBRARY + unsigned long current_ms; + + if (seed == NEW_RANDOMIZE) + { + current_ms = SDL_GetTicks(); + srandom_linux_libc((unsigned int) current_ms); + return (unsigned int) current_ms; + } + else + { + srandom_linux_libc((unsigned int) seed); + return (unsigned int) seed; + } +#else /* !USE_SDL_LIBRARY */ struct timeval current_time; if (seed == NEW_RANDOMIZE) { - gettimeofday(¤t_time,NULL); + gettimeofday(¤t_time, NULL); srandom_linux_libc((unsigned int) current_time.tv_usec); - return (unsigned int)current_time.tv_usec; + return (unsigned int) current_time.tv_usec; } else { srandom_linux_libc((unsigned int) seed); - return (unsigned int)seed; + return (unsigned int) seed; } +#endif /* !USE_SDL_LIBRARY */ } char *getLoginName() { +#ifdef WIN32 + return ANONYMOUS_NAME; +#else struct passwd *pwd; if ((pwd = getpwuid(getuid())) == NULL) return ANONYMOUS_NAME; else return pwd->pw_name; +#endif } char *getRealName() { -#ifndef MSDOS +#if defined(MSDOS) || defined(WIN32) + return ANONYMOUS_NAME; +#else struct passwd *pwd; if ((pwd = getpwuid(getuid())) == NULL || strlen(pwd->pw_gecos) == 0) @@ -284,14 +348,14 @@ char *getRealName() return real_name; } -#else - return ANONYMOUS_NAME; #endif } char *getHomeDir() { -#ifndef MSDOS +#if defined(MSDOS) || defined(WIN32) + return "."; +#else static char *home_dir = NULL; if (!home_dir) @@ -308,8 +372,6 @@ char *getHomeDir() } return home_dir; -#else - return "."; #endif } @@ -525,7 +587,7 @@ void Error(int mode, char *format, ...) if (mode & ERR_WARN && !options.verbose) return; -#ifdef MSDOS +#if defined(MSDOS) || defined(WIN32) if ((error = openErrorFile()) == NULL) { printf("Cannot write to error output file!\n"); @@ -677,112 +739,114 @@ void putFileChunk(FILE *file, char *chunk_name, int chunk_length, putFile32BitInteger(file, chunk_length, byte_order); } -#define TRANSLATE_KEYSYM_TO_KEYNAME 0 -#define TRANSLATE_KEYSYM_TO_X11KEYNAME 1 -#define TRANSLATE_X11KEYNAME_TO_KEYSYM 2 +#define TRANSLATE_KEY_TO_KEYNAME 0 +#define TRANSLATE_KEY_TO_X11KEYNAME 1 +#define TRANSLATE_X11KEYNAME_TO_KEY 2 -void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) +void translate_keyname(Key *keysym, char **x11name, char **name, int mode) { static struct { - KeySym keysym; + Key key; char *x11name; char *name; } translate_key[] = { /* normal cursor keys */ - { XK_Left, "XK_Left", "cursor left" }, - { XK_Right, "XK_Right", "cursor right" }, - { XK_Up, "XK_Up", "cursor up" }, - { XK_Down, "XK_Down", "cursor down" }, + { KEY_Left, "XK_Left", "cursor left" }, + { KEY_Right, "XK_Right", "cursor right" }, + { KEY_Up, "XK_Up", "cursor up" }, + { KEY_Down, "XK_Down", "cursor down" }, /* keypad cursor keys */ -#ifdef XK_KP_Left - { XK_KP_Left, "XK_KP_Left", "keypad left" }, - { XK_KP_Right, "XK_KP_Right", "keypad right" }, - { XK_KP_Up, "XK_KP_Up", "keypad up" }, - { XK_KP_Down, "XK_KP_Down", "keypad down" }, +#ifdef KEY_KP_Left + { KEY_KP_Left, "XK_KP_Left", "keypad left" }, + { KEY_KP_Right, "XK_KP_Right", "keypad right" }, + { KEY_KP_Up, "XK_KP_Up", "keypad up" }, + { KEY_KP_Down, "XK_KP_Down", "keypad down" }, #endif /* other keypad keys */ -#ifdef XK_KP_Enter - { XK_KP_Enter, "XK_KP_Enter", "keypad enter" }, - { XK_KP_Add, "XK_KP_Add", "keypad +" }, - { XK_KP_Subtract, "XK_KP_Subtract", "keypad -" }, - { XK_KP_Multiply, "XK_KP_Multiply", "keypad mltply" }, - { XK_KP_Divide, "XK_KP_Divide", "keypad /" }, - { XK_KP_Separator, "XK_KP_Separator", "keypad ," }, +#ifdef KEY_KP_Enter + { KEY_KP_Enter, "XK_KP_Enter", "keypad enter" }, + { KEY_KP_Add, "XK_KP_Add", "keypad +" }, + { KEY_KP_Subtract, "XK_KP_Subtract", "keypad -" }, + { KEY_KP_Multiply, "XK_KP_Multiply", "keypad mltply" }, + { KEY_KP_Divide, "XK_KP_Divide", "keypad /" }, + { KEY_KP_Separator, "XK_KP_Separator", "keypad ," }, #endif /* modifier keys */ - { XK_Shift_L, "XK_Shift_L", "left shift" }, - { XK_Shift_R, "XK_Shift_R", "right shift" }, - { XK_Control_L, "XK_Control_L", "left control" }, - { XK_Control_R, "XK_Control_R", "right control" }, - { XK_Meta_L, "XK_Meta_L", "left meta" }, - { XK_Meta_R, "XK_Meta_R", "right meta" }, - { XK_Alt_L, "XK_Alt_L", "left alt" }, - { XK_Alt_R, "XK_Alt_R", "right alt" }, - { XK_Mode_switch, "XK_Mode_switch", "mode switch" }, - { XK_Multi_key, "XK_Multi_key", "multi key" }, + { KEY_Shift_L, "XK_Shift_L", "left shift" }, + { KEY_Shift_R, "XK_Shift_R", "right shift" }, + { KEY_Control_L, "XK_Control_L", "left control" }, + { KEY_Control_R, "XK_Control_R", "right control" }, + { KEY_Meta_L, "XK_Meta_L", "left meta" }, + { KEY_Meta_R, "XK_Meta_R", "right meta" }, + { KEY_Alt_L, "XK_Alt_L", "left alt" }, + { KEY_Alt_R, "XK_Alt_R", "right alt" }, + { KEY_Super_L, "XK_Super_L", "left super" }, /* Win-L */ + { KEY_Super_R, "XK_Super_R", "right super" }, /* Win-R */ + { KEY_Mode_switch, "XK_Mode_switch", "mode switch" }, /* Alt-R */ + { KEY_Multi_key, "XK_Multi_key", "multi key" }, /* Ctrl-R */ /* some special keys */ - { XK_BackSpace, "XK_BackSpace", "backspace" }, - { XK_Delete, "XK_Delete", "delete" }, - { XK_Insert, "XK_Insert", "insert" }, - { XK_Tab, "XK_Tab", "tab" }, - { XK_Home, "XK_Home", "home" }, - { XK_End, "XK_End", "end" }, - { XK_Page_Up, "XK_Page_Up", "page up" }, - { XK_Page_Down, "XK_Page_Down", "page down" }, - + { KEY_BackSpace, "XK_BackSpace", "backspace" }, + { KEY_Delete, "XK_Delete", "delete" }, + { KEY_Insert, "XK_Insert", "insert" }, + { KEY_Tab, "XK_Tab", "tab" }, + { KEY_Home, "XK_Home", "home" }, + { KEY_End, "XK_End", "end" }, + { KEY_Page_Up, "XK_Page_Up", "page up" }, + { KEY_Page_Down, "XK_Page_Down", "page down" }, + { KEY_Menu, "XK_Menu", "menu" }, /* Win-Menu */ /* ASCII 0x20 to 0x40 keys (except numbers) */ - { XK_space, "XK_space", "space" }, - { XK_exclam, "XK_exclam", "!" }, - { XK_quotedbl, "XK_quotedbl", "\"" }, - { XK_numbersign, "XK_numbersign", "#" }, - { XK_dollar, "XK_dollar", "$" }, - { XK_percent, "XK_percent", "%" }, - { XK_ampersand, "XK_ampersand", "&" }, - { XK_apostrophe, "XK_apostrophe", "'" }, - { XK_parenleft, "XK_parenleft", "(" }, - { XK_parenright, "XK_parenright", ")" }, - { XK_asterisk, "XK_asterisk", "*" }, - { XK_plus, "XK_plus", "+" }, - { XK_comma, "XK_comma", "," }, - { XK_minus, "XK_minus", "-" }, - { XK_period, "XK_period", "." }, - { XK_slash, "XK_slash", "/" }, - { XK_colon, "XK_colon", ":" }, - { XK_semicolon, "XK_semicolon", ";" }, - { XK_less, "XK_less", "<" }, - { XK_equal, "XK_equal", "=" }, - { XK_greater, "XK_greater", ">" }, - { XK_question, "XK_question", "?" }, - { XK_at, "XK_at", "@" }, + { KEY_space, "XK_space", "space" }, + { KEY_exclam, "XK_exclam", "!" }, + { KEY_quotedbl, "XK_quotedbl", "\"" }, + { KEY_numbersign, "XK_numbersign", "#" }, + { KEY_dollar, "XK_dollar", "$" }, + { KEY_percent, "XK_percent", "%" }, + { KEY_ampersand, "XK_ampersand", "&" }, + { KEY_apostrophe, "XK_apostrophe", "'" }, + { KEY_parenleft, "XK_parenleft", "(" }, + { KEY_parenright, "XK_parenright", ")" }, + { KEY_asterisk, "XK_asterisk", "*" }, + { KEY_plus, "XK_plus", "+" }, + { KEY_comma, "XK_comma", "," }, + { KEY_minus, "XK_minus", "-" }, + { KEY_period, "XK_period", "." }, + { KEY_slash, "XK_slash", "/" }, + { KEY_colon, "XK_colon", ":" }, + { KEY_semicolon, "XK_semicolon", ";" }, + { KEY_less, "XK_less", "<" }, + { KEY_equal, "XK_equal", "=" }, + { KEY_greater, "XK_greater", ">" }, + { KEY_question, "XK_question", "?" }, + { KEY_at, "XK_at", "@" }, /* more ASCII keys */ - { XK_bracketleft, "XK_bracketleft", "[" }, - { XK_backslash, "XK_backslash", "backslash" }, - { XK_bracketright, "XK_bracketright", "]" }, - { XK_asciicircum, "XK_asciicircum", "circumflex" }, - { XK_underscore, "XK_underscore", "_" }, - { XK_grave, "XK_grave", "grave" }, - { XK_quoteleft, "XK_quoteleft", "quote left" }, - { XK_braceleft, "XK_braceleft", "brace left" }, - { XK_bar, "XK_bar", "bar" }, - { XK_braceright, "XK_braceright", "brace right" }, - { XK_asciitilde, "XK_asciitilde", "ascii tilde" }, + { KEY_bracketleft, "XK_bracketleft", "[" }, + { KEY_backslash, "XK_backslash", "backslash" }, + { KEY_bracketright, "XK_bracketright", "]" }, + { KEY_asciicircum, "XK_asciicircum", "circumflex" }, + { KEY_underscore, "XK_underscore", "_" }, + { KEY_grave, "XK_grave", "grave" }, + { KEY_quoteleft, "XK_quoteleft", "quote left" }, + { KEY_braceleft, "XK_braceleft", "brace left" }, + { KEY_bar, "XK_bar", "bar" }, + { KEY_braceright, "XK_braceright", "brace right" }, + { KEY_asciitilde, "XK_asciitilde", "ascii tilde" }, /* special (non-ASCII) keys */ - { XK_Adiaeresis, "XK_Adiaeresis", "Ä" }, - { XK_Odiaeresis, "XK_Odiaeresis", "Ö" }, - { XK_Udiaeresis, "XK_Udiaeresis", "Ü" }, - { XK_adiaeresis, "XK_adiaeresis", "ä" }, - { XK_odiaeresis, "XK_odiaeresis", "ö" }, - { XK_udiaeresis, "XK_udiaeresis", "ü" }, - { XK_ssharp, "XK_ssharp", "sharp s" }, + { KEY_Adiaeresis, "XK_Adiaeresis", "Ä" }, + { KEY_Odiaeresis, "XK_Odiaeresis", "Ö" }, + { KEY_Udiaeresis, "XK_Udiaeresis", "Ü" }, + { KEY_adiaeresis, "XK_adiaeresis", "ä" }, + { KEY_odiaeresis, "XK_odiaeresis", "ö" }, + { KEY_udiaeresis, "XK_udiaeresis", "ü" }, + { KEY_ssharp, "XK_ssharp", "sharp s" }, /* end-of-array identifier */ { 0, NULL, NULL } @@ -790,22 +854,22 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) int i; - if (mode == TRANSLATE_KEYSYM_TO_KEYNAME) + if (mode == TRANSLATE_KEY_TO_KEYNAME) { static char name_buffer[30]; - KeySym key = *keysym; - - if (key >= XK_A && key <= XK_Z) - sprintf(name_buffer, "%c", 'A' + (char)(key - XK_A)); - else if (key >= XK_a && key <= XK_z) - sprintf(name_buffer, "%c", 'a' + (char)(key - XK_a)); - else if (key >= XK_0 && key <= XK_9) - sprintf(name_buffer, "%c", '0' + (char)(key - XK_0)); - else if (key >= XK_KP_0 && key <= XK_KP_9) - sprintf(name_buffer, "keypad %c", '0' + (char)(key - XK_KP_0)); - else if (key >= XK_F1 && key <= XK_F24) - sprintf(name_buffer, "function F%d", (int)(key - XK_F1 + 1)); - else if (key == KEY_UNDEFINDED) + Key key = *keysym; + + if (key >= KEY_A && key <= KEY_Z) + sprintf(name_buffer, "%c", 'A' + (char)(key - KEY_A)); + else if (key >= KEY_a && key <= KEY_z) + sprintf(name_buffer, "%c", 'a' + (char)(key - KEY_a)); + else if (key >= KEY_0 && key <= KEY_9) + sprintf(name_buffer, "%c", '0' + (char)(key - KEY_0)); + else if (key >= KEY_KP_0 && key <= KEY_KP_9) + sprintf(name_buffer, "keypad %c", '0' + (char)(key - KEY_KP_0)); + else if (key >= KEY_F1 && key <= KEY_F24) + sprintf(name_buffer, "function F%d", (int)(key - KEY_F1 + 1)); + else if (key == KEY_UNDEFINED) strcpy(name_buffer, "(undefined)"); else { @@ -813,7 +877,7 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) do { - if (key == translate_key[i].keysym) + if (key == translate_key[i].key) { strcpy(name_buffer, translate_key[i].name); break; @@ -827,22 +891,22 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) *name = name_buffer; } - else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME) + else if (mode == TRANSLATE_KEY_TO_X11KEYNAME) { static char name_buffer[30]; - KeySym key = *keysym; - - if (key >= XK_A && key <= XK_Z) - sprintf(name_buffer, "XK_%c", 'A' + (char)(key - XK_A)); - else if (key >= XK_a && key <= XK_z) - sprintf(name_buffer, "XK_%c", 'a' + (char)(key - XK_a)); - else if (key >= XK_0 && key <= XK_9) - sprintf(name_buffer, "XK_%c", '0' + (char)(key - XK_0)); - else if (key >= XK_KP_0 && key <= XK_KP_9) - sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - XK_KP_0)); - else if (key >= XK_F1 && key <= XK_F24) - sprintf(name_buffer, "XK_F%d", (int)(key - XK_F1 + 1)); - else if (key == KEY_UNDEFINDED) + Key key = *keysym; + + if (key >= KEY_A && key <= KEY_Z) + sprintf(name_buffer, "XK_%c", 'A' + (char)(key - KEY_A)); + else if (key >= KEY_a && key <= KEY_z) + sprintf(name_buffer, "XK_%c", 'a' + (char)(key - KEY_a)); + else if (key >= KEY_0 && key <= KEY_9) + sprintf(name_buffer, "XK_%c", '0' + (char)(key - KEY_0)); + else if (key >= KEY_KP_0 && key <= KEY_KP_9) + sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - KEY_KP_0)); + else if (key >= KEY_F1 && key <= KEY_F24) + sprintf(name_buffer, "XK_F%d", (int)(key - KEY_F1 + 1)); + else if (key == KEY_UNDEFINED) strcpy(name_buffer, "[undefined]"); else { @@ -850,7 +914,7 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) do { - if (key == translate_key[i].keysym) + if (key == translate_key[i].key) { strcpy(name_buffer, translate_key[i].x11name); break; @@ -864,9 +928,9 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) *x11name = name_buffer; } - else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM) + else if (mode == TRANSLATE_X11KEYNAME_TO_KEY) { - KeySym key = XK_VoidSymbol; + Key key = KEY_UNDEFINED; char *name_ptr = *x11name; if (strncmp(name_ptr, "XK_", 3) == 0 && strlen(name_ptr) == 4) @@ -874,18 +938,18 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) char c = name_ptr[3]; if (c >= 'A' && c <= 'Z') - key = XK_A + (KeySym)(c - 'A'); + key = KEY_A + (Key)(c - 'A'); else if (c >= 'a' && c <= 'z') - key = XK_a + (KeySym)(c - 'a'); + key = KEY_a + (Key)(c - 'a'); else if (c >= '0' && c <= '9') - key = XK_0 + (KeySym)(c - '0'); + key = KEY_0 + (Key)(c - '0'); } else if (strncmp(name_ptr, "XK_KP_", 6) == 0 && strlen(name_ptr) == 7) { char c = name_ptr[6]; if (c >= '0' && c <= '9') - key = XK_0 + (KeySym)(c - '0'); + key = KEY_0 + (Key)(c - '0'); } else if (strncmp(name_ptr, "XK_F", 4) == 0 && strlen(name_ptr) <= 6) { @@ -898,7 +962,7 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) d = atoi(&name_ptr[4]); if (d >=1 && d <= 24) - key = XK_F1 + (KeySym)(d - 1); + key = KEY_F1 + (Key)(d - 1); } else if (strncmp(name_ptr, "XK_", 3) == 0) { @@ -908,7 +972,7 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) { if (strcmp(name_ptr, translate_key[i].x11name) == 0) { - key = translate_key[i].keysym; + key = translate_key[i].key; break; } } @@ -942,40 +1006,40 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) } if (value != -1) - key = (KeySym)value; + key = (Key)value; } *keysym = key; } } -char *getKeyNameFromKeySym(KeySym keysym) +char *getKeyNameFromKey(Key key) { char *name; - translate_keyname(&keysym, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME); + translate_keyname(&key, NULL, &name, TRANSLATE_KEY_TO_KEYNAME); return name; } -char *getX11KeyNameFromKeySym(KeySym keysym) +char *getX11KeyNameFromKey(Key key) { char *x11name; - translate_keyname(&keysym, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME); + translate_keyname(&key, &x11name, NULL, TRANSLATE_KEY_TO_X11KEYNAME); return x11name; } -KeySym getKeySymFromX11KeyName(char *x11name) +Key getKeyFromX11KeyName(char *x11name) { - KeySym keysym; + Key key; - translate_keyname(&keysym, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM); - return keysym; + translate_keyname(&key, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEY); + return key; } -char getCharFromKeySym(KeySym keysym) +char getCharFromKey(Key key) { - char *keyname = getKeyNameFromKeySym(keysym); + char *keyname = getKeyNameFromKey(key); char letter = 0; if (strlen(keyname) == 1)