From 424bcae1fb0f69e0aef5e0cf84fd771cf34a0fb7 Mon Sep 17 00:00:00 2001 From: Bram Moolenaar Date: Mon, 31 Jan 2022 14:59:41 +0000 Subject: patch 8.2.4273: the EBCDIC support is outdated Problem: The EBCDIC support is outdated. Solution: Remove the EBCDIC support. --- src/charset.c | 107 ++-------------------------------------------------------- 1 file changed, 3 insertions(+), 104 deletions(-) (limited to 'src/charset.c') diff --git a/src/charset.c b/src/charset.c index 12d6359708..df95ed1b50 100644 --- a/src/charset.c +++ b/src/charset.c @@ -87,18 +87,11 @@ buf_init_chartab( * Set the default size for printable characters: * From to '~' is 1 (printable), others are 2 (not printable). * This also inits all 'isident' and 'isfname' flags to FALSE. - * - * EBCDIC: all chars below ' ' are not printable, all others are - * printable. */ c = 0; while (c < ' ') g_chartab[c++] = (dy_flags & DY_UHEX) ? 4 : 2; -#ifdef EBCDIC - while (c < 255) -#else while (c <= '~') -#endif g_chartab[c++] = 1 + CT_PRINT_CHAR; while (c < 256) { @@ -221,10 +214,7 @@ buf_init_chartab( } else if (i == 1) // (re)set printable { - if ((c < ' ' -#ifndef EBCDIC - || c > '~' -#endif + if ((c < ' ' || c > '~' // For double-byte we keep the cell width, so // that we can detect it from the first byte. ) && !(enc_dbcs && MB_BYTE2LEN(c) == 2)) @@ -519,13 +509,8 @@ transchar_buf(buf_T *buf, int c) c = K_SECOND(c); } - if ((!chartab_initialized && ( -#ifdef EBCDIC - (c >= 64 && c < 255) -#else - (c >= ' ' && c <= '~') -#endif - )) || (c < 256 && vim_isprintc_strict(c))) + if ((!chartab_initialized && ((c >= ' ' && c <= '~'))) + || (c < 256 && vim_isprintc_strict(c))) { // printable character transchar_charbuf[i] = c; @@ -567,56 +552,26 @@ transchar_nonprint(buf_T *buf, char_u *charbuf, int c) if (dy_flags & DY_UHEX) // 'display' has "uhex" transchar_hex(charbuf, c); -#ifdef EBCDIC - // For EBCDIC only the characters 0-63 and 255 are not printable - else if (CtrlChar(c) != 0 || c == DEL) -#else else if (c <= 0x7f) // 0x00 - 0x1f and 0x7f -#endif { charbuf[0] = '^'; -#ifdef EBCDIC - if (c == DEL) - charbuf[1] = '?'; // DEL displayed as ^? - else - charbuf[1] = CtrlChar(c); -#else charbuf[1] = c ^ 0x40; // DEL displayed as ^? -#endif - charbuf[2] = NUL; } else if (enc_utf8 && c >= 0x80) { transchar_hex(charbuf, c); } -#ifndef EBCDIC else if (c >= ' ' + 0x80 && c <= '~' + 0x80) // 0xa0 - 0xfe { charbuf[0] = '|'; charbuf[1] = c - 0x80; charbuf[2] = NUL; } -#else - else if (c < 64) - { - charbuf[0] = '~'; - charbuf[1] = MetaChar(c); - charbuf[2] = NUL; - } -#endif else // 0x80 - 0x9f and 0xff { - /* - * TODO: EBCDIC I don't know what to do with this chars, so I display - * them as '~?' for now - */ charbuf[0] = '~'; -#ifdef EBCDIC - charbuf[1] = '?'; // 0xff displayed as ~? -#else charbuf[1] = (c - 0x80) ^ 0x40; // 0xff displayed as ~? -#endif charbuf[2] = NUL; } } @@ -2134,59 +2089,3 @@ backslash_halve_save(char_u *p) backslash_halve(res); return res; } - -#if (defined(EBCDIC) && defined(FEAT_POSTSCRIPT)) || defined(PROTO) -/* - * Table for EBCDIC to ASCII conversion unashamedly taken from xxd.c! - * The first 64 entries have been added to map control characters defined in - * ascii.h - */ -static char_u ebcdic2ascii_tab[256] = -{ - 0000, 0001, 0002, 0003, 0004, 0011, 0006, 0177, - 0010, 0011, 0012, 0013, 0014, 0015, 0016, 0017, - 0020, 0021, 0022, 0023, 0024, 0012, 0010, 0027, - 0030, 0031, 0032, 0033, 0033, 0035, 0036, 0037, - 0040, 0041, 0042, 0043, 0044, 0045, 0046, 0047, - 0050, 0051, 0052, 0053, 0054, 0055, 0056, 0057, - 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, - 0070, 0071, 0072, 0073, 0074, 0075, 0076, 0077, - 0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246, - 0247, 0250, 0325, 0056, 0074, 0050, 0053, 0174, - 0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257, - 0260, 0261, 0041, 0044, 0052, 0051, 0073, 0176, - 0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267, - 0270, 0271, 0313, 0054, 0045, 0137, 0076, 0077, - 0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301, - 0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042, - 0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147, - 0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311, - 0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160, - 0161, 0162, 0136, 0314, 0315, 0316, 0317, 0320, - 0321, 0345, 0163, 0164, 0165, 0166, 0167, 0170, - 0171, 0172, 0322, 0323, 0324, 0133, 0326, 0327, - 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, - 0340, 0341, 0342, 0343, 0344, 0135, 0346, 0347, - 0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107, - 0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355, - 0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120, - 0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363, - 0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130, - 0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371, - 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, - 0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377 -}; - -/* - * Convert a buffer worth of characters from EBCDIC to ASCII. Only useful if - * wanting 7-bit ASCII characters out the other end. - */ - void -ebcdic2ascii(char_u *buffer, int len) -{ - int i; - - for (i = 0; i < len; i++) - buffer[i] = ebcdic2ascii_tab[buffer[i]]; -} -#endif -- cgit v1.2.3