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patch 8.2.4273: the EBCDIC support is outdated
Problem: The EBCDIC support is outdated.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