diff options
Diffstat (limited to 'editors/vi.c')
| -rw-r--r-- | editors/vi.c | 62 |
1 files changed, 32 insertions, 30 deletions
diff --git a/editors/vi.c b/editors/vi.c index bd169b0..863735e 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -28,33 +28,34 @@ #if ENABLE_LOCALE_SUPPORT #define Isprint(c) isprint((c)) #else -#define Isprint(c) ( (c) >= ' ' && (c) != 127 && (c) != ((unsigned char)'\233') ) +/* 0x9b is Meta-ESC */ +#define Isprint(c) ((unsigned char)(c) >= ' ' && (c) != 0x7f && (unsigned char)(c) != 0x9b) #endif #define MAX_SCR_COLS BUFSIZ // Misc. non-Ascii keys that report an escape sequence -#define VI_K_UP 128 // cursor key Up -#define VI_K_DOWN 129 // cursor key Down -#define VI_K_RIGHT 130 // Cursor Key Right -#define VI_K_LEFT 131 // cursor key Left -#define VI_K_HOME 132 // Cursor Key Home -#define VI_K_END 133 // Cursor Key End -#define VI_K_INSERT 134 // Cursor Key Insert -#define VI_K_PAGEUP 135 // Cursor Key Page Up -#define VI_K_PAGEDOWN 136 // Cursor Key Page Down -#define VI_K_FUN1 137 // Function Key F1 -#define VI_K_FUN2 138 // Function Key F2 -#define VI_K_FUN3 139 // Function Key F3 -#define VI_K_FUN4 140 // Function Key F4 -#define VI_K_FUN5 141 // Function Key F5 -#define VI_K_FUN6 142 // Function Key F6 -#define VI_K_FUN7 143 // Function Key F7 -#define VI_K_FUN8 144 // Function Key F8 -#define VI_K_FUN9 145 // Function Key F9 -#define VI_K_FUN10 146 // Function Key F10 -#define VI_K_FUN11 147 // Function Key F11 -#define VI_K_FUN12 148 // Function Key F12 +#define VI_K_UP (char)128 // cursor key Up +#define VI_K_DOWN (char)129 // cursor key Down +#define VI_K_RIGHT (char)130 // Cursor Key Right +#define VI_K_LEFT (char)131 // cursor key Left +#define VI_K_HOME (char)132 // Cursor Key Home +#define VI_K_END (char)133 // Cursor Key End +#define VI_K_INSERT (char)134 // Cursor Key Insert +#define VI_K_PAGEUP (char)135 // Cursor Key Page Up +#define VI_K_PAGEDOWN (char)136 // Cursor Key Page Down +#define VI_K_FUN1 (char)137 // Function Key F1 +#define VI_K_FUN2 (char)138 // Function Key F2 +#define VI_K_FUN3 (char)139 // Function Key F3 +#define VI_K_FUN4 (char)140 // Function Key F4 +#define VI_K_FUN5 (char)141 // Function Key F5 +#define VI_K_FUN6 (char)142 // Function Key F6 +#define VI_K_FUN7 (char)143 // Function Key F7 +#define VI_K_FUN8 (char)144 // Function Key F8 +#define VI_K_FUN9 (char)145 // Function Key F9 +#define VI_K_FUN10 (char)146 // Function Key F10 +#define VI_K_FUN11 (char)147 // Function Key F11 +#define VI_K_FUN12 (char)148 // Function Key F12 /* vt102 typical ESC sequence */ /* terminal standout start/normal ESC sequence */ @@ -840,7 +841,7 @@ static void colon(char * buf) int c_is_no_print; c = *q; - c_is_no_print = c > 127 && !Isprint(c); + c_is_no_print = (c & 0x80) && !Isprint(c); if (c_is_no_print) { c = '.'; standout_start(); @@ -1922,7 +1923,7 @@ static inline void print_literal(char * buf, const char * s) // copy s to buf, c int c_is_no_print; c = *s; - c_is_no_print = c > 127 && !Isprint(c); + c_is_no_print = (c & 0x80) && !Isprint(c); if (c_is_no_print) { strcat(buf, SOn); c = '.'; @@ -2735,7 +2736,7 @@ static void format_line(char *dest, char *src, int li) char c; for (co = 0; co < MAX_SCR_COLS; co++) { - c= ' '; // assume blank + c = ' '; // assume blank if (li > 0 && co == 0) { c = '~'; // not first line, assume Tilde } @@ -2745,10 +2746,10 @@ static void format_line(char *dest, char *src, int li) } if (c == '\n') break; - if (c > 127 && !Isprint(c)) { + if ((c & 0x80) && !Isprint(c)) { c = '.'; } - if (c < ' ' || c == 127) { + if ((unsigned char)(c) < ' ' || c == 0x7f) { if (c == '\t') { c = ' '; // co % 8 != 7 @@ -2757,7 +2758,7 @@ static void format_line(char *dest, char *src, int li) } } else { dest[co++] = '^'; - if (c == 127) + if (c == 0x7f) c = '?'; else c += '@'; // make it visible @@ -2939,7 +2940,8 @@ static void do_cmd(char c) if (cmd_mode == 2) { // flip-flop Insert/Replace mode - if (c == VI_K_INSERT) goto dc_i; + if (c == VI_K_INSERT) + goto dc_i; // we are 'R'eplacing the current *dot with new char if (*dot == '\n') { // don't Replace past E-o-l @@ -3048,7 +3050,7 @@ static void do_cmd(char c) case 'h': // h- move left case VI_K_LEFT: // cursor key Left case 8: // ctrl-H- move left (This may be ERASE char) - case 127: // DEL- move left (This may be ERASE char) + case 0x7f: // DEL- move left (This may be ERASE char) if (cmdcnt-- > 1) { do_cmd(c); } // repeat cnt |