memzap

replay memory writes
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term.c (5516B)


      1 #include <stdlib.h>
      2 #include <string.h>
      3 
      4 #include "term.h"
      5 
      6 /* Eterm */
      7 static const char *Eterm_keys[] = {
      8 	"\033[11~","\033[12~","\033[13~","\033[14~","\033[15~","\033[17~","\033[18~","\033[19~","\033[20~","\033[21~","\033[23~","\033[24~","\033[2~","\033[3~","\033[7~","\033[8~","\033[5~","\033[6~","\033[A","\033[B","\033[D","\033[C", 0
      9 };
     10 static const char *Eterm_funcs[] = {
     11 	[T_ENTER_CA] = "\0337\033[?47h",
     12 	[T_EXIT_CA] = "\033[2J\033[?47l\0338",
     13 	[T_SHOW_CURSOR] = "\033[?25h",
     14 	[T_HIDE_CURSOR] = "\033[?25l",
     15 	[T_CLEAR_SCREEN] = "\033[H\033[2J",
     16 	[T_SGR0] = "\033[m",
     17 	[T_UNDERLINE] = "\033[4m",
     18 	[T_BOLD] = "\033[1m",
     19 	[T_BLINK] = "\033[5m",
     20 	[T_ENTER_KEYPAD] = "",
     21 	[T_EXIT_KEYPAD] = "",
     22 };
     23 
     24 /* screen */
     25 static const char *screen_keys[] = {
     26 	"\033OP","\033OQ","\033OR","\033OS","\033[15~","\033[17~","\033[18~","\033[19~","\033[20~","\033[21~","\033[23~","\033[24~","\033[2~","\033[3~","\033[1~","\033[4~","\033[5~","\033[6~","\033OA","\033OB","\033OD","\033OC", 0
     27 };
     28 static const char *screen_funcs[] = {
     29 	[T_ENTER_CA] = "\033[?1049h",
     30 	[T_EXIT_CA] = "\033[?1049l",
     31 	[T_SHOW_CURSOR] = "\033[34h\033[?25h",
     32 	[T_HIDE_CURSOR] = "\033[?25l",
     33 	[T_CLEAR_SCREEN] = "\033[H\033[J",
     34 	[T_SGR0] = "\033[m",
     35 	[T_UNDERLINE] = "\033[4m",
     36 	[T_BOLD] = "\033[1m",
     37 	[T_BLINK] = "\033[5m",
     38 	[T_ENTER_KEYPAD] = "\033[?1h\033=",
     39 	[T_EXIT_KEYPAD] = "\033[?1l\033>",
     40 };
     41 
     42 /* xterm */
     43 static const char *xterm_keys[] = {
     44 	"\033OP","\033OQ","\033OR","\033OS","\033[15~","\033[17~","\033[18~","\033[19~","\033[20~","\033[21~","\033[23~","\033[24~","\033[2~","\033[3~","\033OH","\033OF","\033[5~","\033[6~","\033OA","\033OB","\033OD","\033OC", 0
     45 };
     46 static const char *xterm_funcs[] = {
     47 	[T_ENTER_CA] = "\033[?1049h",
     48 	[T_EXIT_CA] = "\033[?1049l",
     49 	[T_SHOW_CURSOR] = "\033[?12l\033[?25h",
     50 	[T_HIDE_CURSOR] = "\033[?25l",
     51 	[T_CLEAR_SCREEN] = "\033[H\033[2J",
     52 	[T_SGR0] = "\033(B\033[m",
     53 	[T_UNDERLINE] = "\033[4m",
     54 	[T_BOLD] = "\033[1m",
     55 	[T_BLINK] = "\033[5m",
     56 	[T_ENTER_KEYPAD] = "\033[?1h\033=",
     57 	[T_EXIT_KEYPAD] = "\033[?1l\033>",
     58 };
     59 
     60 /* rxvt-unicode */
     61 static const char *rxvt_unicode_keys[] = {
     62 	"\033[11~","\033[12~","\033[13~","\033[14~","\033[15~","\033[17~","\033[18~","\033[19~","\033[20~","\033[21~","\033[23~","\033[24~","\033[2~","\033[3~","\033[7~","\033[8~","\033[5~","\033[6~","\033[A","\033[B","\033[D","\033[C", 0
     63 };
     64 static const char *rxvt_unicode_funcs[] = {
     65 	[T_ENTER_CA] = "\033[?1049h",
     66 	[T_EXIT_CA] = "\033[r\033[?1049l",
     67 	[T_SHOW_CURSOR] = "\033[?25h",
     68 	[T_HIDE_CURSOR] = "\033[?25l",
     69 	[T_CLEAR_SCREEN] = "\033[H\033[2J",
     70 	[T_SGR0] = "\033[m\033(B",
     71 	[T_UNDERLINE] = "\033[4m",
     72 	[T_BOLD] = "\033[1m",
     73 	[T_BLINK] = "\033[5m",
     74 	[T_ENTER_KEYPAD] = "\033=",
     75 	[T_EXIT_KEYPAD] = "\033>",
     76 };
     77 
     78 /* linux */
     79 static const char *linux_keys[] = {
     80 	"\033[[A","\033[[B","\033[[C","\033[[D","\033[[E","\033[17~","\033[18~","\033[19~","\033[20~","\033[21~","\033[23~","\033[24~","\033[2~","\033[3~","\033[1~","\033[4~","\033[5~","\033[6~","\033[A","\033[B","\033[D","\033[C", 0
     81 };
     82 static const char *linux_funcs[] = {
     83 	[T_ENTER_CA] = "",
     84 	[T_EXIT_CA] = "",
     85 	[T_SHOW_CURSOR] = "\033[?25h\033[?0c",
     86 	[T_HIDE_CURSOR] = "\033[?25l\033[?1c",
     87 	[T_CLEAR_SCREEN] = "\033[H\033[J",
     88 	[T_SGR0] = "\033[0;10m",
     89 	[T_UNDERLINE] = "\033[4m",
     90 	[T_BOLD] = "\033[1m",
     91 	[T_BLINK] = "\033[5m",
     92 	[T_ENTER_KEYPAD] = "",
     93 	[T_EXIT_KEYPAD] = "",
     94 };
     95 
     96 /* rxvt-256color */
     97 static const char *rxvt_256color_keys[] = {
     98 	"\033[11~","\033[12~","\033[13~","\033[14~","\033[15~","\033[17~","\033[18~","\033[19~","\033[20~","\033[21~","\033[23~","\033[24~","\033[2~","\033[3~","\033[7~","\033[8~","\033[5~","\033[6~","\033[A","\033[B","\033[D","\033[C", 0
     99 };
    100 static const char *rxvt_256color_funcs[] = {
    101 	[T_ENTER_CA] = "\0337\033[?47h",
    102 	[T_EXIT_CA] = "\033[2J\033[?47l\0338",
    103 	[T_SHOW_CURSOR] = "\033[?25h",
    104 	[T_HIDE_CURSOR] = "\033[?25l",
    105 	[T_CLEAR_SCREEN] = "\033[H\033[2J",
    106 	[T_SGR0] = "\033[m",
    107 	[T_UNDERLINE] = "\033[4m",
    108 	[T_BOLD] = "\033[1m",
    109 	[T_BLINK] = "\033[5m",
    110 	[T_ENTER_KEYPAD] = "\033=",
    111 	[T_EXIT_KEYPAD] = "\033>",
    112 };
    113 
    114 static struct term {
    115 	const char *name;
    116 	const char **keys;
    117 	const char **funcs;
    118 } terms[] = {
    119 	{"Eterm", Eterm_keys, Eterm_funcs},
    120 	{"screen", screen_keys, screen_funcs},
    121 	{"xterm", xterm_keys, xterm_funcs},
    122 	{"rxvt-unicode", rxvt_unicode_keys, rxvt_unicode_funcs},
    123 	{"linux", linux_keys, linux_funcs},
    124 	{"rxvt-256color", rxvt_256color_keys, rxvt_256color_funcs},
    125 	{0,0,0}
    126 };
    127 
    128 const char **keys;
    129 const char **funcs;
    130 
    131 static int try_compatible(const char *term, const char *name,
    132 			  const char **tkeys, const char **tfuncs)
    133 {
    134 	if (strstr(term, name)) {
    135 		keys = tkeys;
    136 		funcs = tfuncs;
    137 		return 0;
    138 	}
    139 
    140 	return EUNSUPPORTED_TERM;
    141 }
    142 
    143 int init_term(void)
    144 {
    145 	int i;
    146 	const char *term = getenv("TERM");
    147 
    148 	if (term) {
    149 		for (i = 0; terms[i].name; i++) {
    150 			if (!strcmp(terms[i].name, term)) {
    151 				keys = terms[i].keys;
    152 				funcs = terms[i].funcs;
    153 				return 0;
    154 			}
    155 		}
    156 
    157 		/* let's do some heuristic, maybe it's a compatible terminal */
    158 		if (try_compatible(term, "xterm", xterm_keys, xterm_funcs) == 0)
    159 			return 0;
    160 		if (try_compatible(term, "rxvt", rxvt_unicode_keys, rxvt_unicode_funcs) == 0)
    161 			return 0;
    162 		if (try_compatible(term, "linux", linux_keys, linux_funcs) == 0)
    163 			return 0;
    164 		if (try_compatible(term, "Eterm", Eterm_keys, Eterm_funcs) == 0)
    165 			return 0;
    166 		if (try_compatible(term, "screen", screen_keys, screen_funcs) == 0)
    167 			return 0;
    168 		/* let's assume that 'cygwin' is xterm compatible */
    169 		if (try_compatible(term, "cygwin", xterm_keys, xterm_funcs) == 0)
    170 			return 0;
    171 	}
    172 
    173 	return EUNSUPPORTED_TERM;
    174 }