I don't see any point in doing this. Justify it.
> Last call, convert your oldebcdic tapes (not to be confused with old
> ebcdic tapes) now before it's too late.
>
>
>
> Index: args.c
> ===================================================================
> RCS file: /cvs/src/bin/dd/args.c,v
> retrieving revision 1.23
> diff -u -p -r1.23 args.c
> --- args.c 24 Mar 2014 21:42:41 -0000 1.23
> +++ args.c 24 Mar 2014 21:56:08 -0000
> @@ -275,9 +275,6 @@ static const struct conv {
> { "ebcdic", C_EBCDIC, C_ASCII, a2e_POSIX },
> { "ibm", C_EBCDIC, C_ASCII, a2ibm_POSIX },
> { "lcase", C_LCASE, C_UCASE, NULL },
> - { "oldascii", C_ASCII, C_EBCDIC, e2a_32V },
> - { "oldebcdic", C_EBCDIC, C_ASCII, a2e_32V },
> - { "oldibm", C_EBCDIC, C_ASCII, a2ibm_32V },
> { "osync", C_OSYNC, C_BS, NULL },
> { "swab", C_SWAB, 0, NULL },
> { "sync", C_SYNC, 0, NULL },
> Index: conv_tab.c
> ===================================================================
> RCS file: /cvs/src/bin/dd/conv_tab.c,v
> retrieving revision 1.5
> diff -u -p -r1.5 conv_tab.c
> --- conv_tab.c 27 Oct 2009 23:59:21 -0000 1.5
> +++ conv_tab.c 24 Mar 2014 21:56:08 -0000
> @@ -37,11 +37,7 @@
> #include <sys/types.h>
>
> /*
> - * There are currently six tables:
> - *
> - * ebcdic -> ascii 32V conv=oldascii
> - * ascii -> ebcdic 32V conv=oldebcdic
> - * ascii -> ibm ebcdic 32V conv=oldibm
> + * There are currently three tables:
> *
> * ebcdic -> ascii POSIX/S5 conv=ascii
> * ascii -> ebcdic POSIX/S5 conv=ebcdic
> @@ -52,8 +48,7 @@
> *
> * Tables used for conversions to/from IBM and EBCDIC to support an extension
> * to POSIX P1003.2/D11. The tables referencing POSIX contain data extracted
> - * from tables 4-3 and 4-4 in P1003.2/Draft 11. The historic tables were
> - * constructed by running against a file with all possible byte values.
> + * from tables 4-3 and 4-4 in P1003.2/Draft 11.
> *
> * More information can be obtained in "Correspondences of 8-Bit and
> Hollerith
> * Codes for Computer Environments-A USASI Tutorial", Communications of the
> @@ -61,114 +56,6 @@
> */
>
> u_char casetab[256];
> -
> -/* EBCDIC to ASCII -- 32V compatible. */
> -const u_char e2a_32V[] = {
> - 0000, 0001, 0002, 0003, 0234, 0011, 0206, 0177, /* 0000 */
> - 0227, 0215, 0216, 0013, 0014, 0015, 0016, 0017, /* 0010 */
> - 0020, 0021, 0022, 0023, 0235, 0205, 0010, 0207, /* 0020 */
> - 0030, 0031, 0222, 0217, 0034, 0035, 0036, 0037, /* 0030 */
> - 0200, 0201, 0202, 0203, 0204, 0012, 0027, 0033, /* 0040 */
> - 0210, 0211, 0212, 0213, 0214, 0005, 0006, 0007, /* 0050 */
> - 0220, 0221, 0026, 0223, 0224, 0225, 0226, 0004, /* 0060 */
> - 0230, 0231, 0232, 0233, 0024, 0025, 0236, 0032, /* 0070 */
> - 0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246, /* 0100 */
> - 0247, 0250, 0133, 0056, 0074, 0050, 0053, 0041, /* 0110 */
> - 0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257, /* 0120 */
> - 0260, 0261, 0135, 0044, 0052, 0051, 0073, 0136, /* 0130 */
> - 0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267, /* 0140 */
> - 0270, 0271, 0174, 0054, 0045, 0137, 0076, 0077, /* 0150 */
> - 0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301, /* 0160 */
> - 0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042, /* 0170 */
> - 0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147, /* 0200 */
> - 0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311, /* 0210 */
> - 0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160, /* 0220 */
> - 0161, 0162, 0313, 0314, 0315, 0316, 0317, 0320, /* 0230 */
> - 0321, 0176, 0163, 0164, 0165, 0166, 0167, 0170, /* 0240 */
> - 0171, 0172, 0322, 0323, 0324, 0325, 0326, 0327, /* 0250 */
> - 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, /* 0260 */
> - 0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347, /* 0270 */
> - 0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107, /* 0300 */
> - 0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355, /* 0310 */
> - 0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120, /* 0320 */
> - 0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363, /* 0330 */
> - 0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130, /* 0340 */
> - 0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371, /* 0350 */
> - 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, /* 0360 */
> - 0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */
> -};
> -
> -/* ASCII to EBCDIC -- 32V compatible. */
> -const u_char a2e_32V[] = {
> - 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */
> - 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */
> - 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */
> - 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */
> - 0100, 0117, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */
> - 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */
> - 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */
> - 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */
> - 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */
> - 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */
> - 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */
> - 0347, 0350, 0351, 0112, 0340, 0132, 0137, 0155, /* 0130 */
> - 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */
> - 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */
> - 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */
> - 0247, 0250, 0251, 0300, 0152, 0320, 0241, 0007, /* 0170 */
> - 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */
> - 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */
> - 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */
> - 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */
> - 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */
> - 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */
> - 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */
> - 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */
> - 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */
> - 0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */
> - 0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */
> - 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */
> - 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */
> - 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */
> - 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */
> - 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */
> -};
> -
> -/* ASCII to IBM EBCDIC -- 32V compatible. */
> -const u_char a2ibm_32V[] = {
> - 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */
> - 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */
> - 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */
> - 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */
> - 0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */
> - 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */
> - 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */
> - 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */
> - 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */
> - 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */
> - 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */
> - 0347, 0350, 0351, 0255, 0340, 0275, 0137, 0155, /* 0130 */
> - 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */
> - 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */
> - 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */
> - 0247, 0250, 0251, 0300, 0117, 0320, 0241, 0007, /* 0170 */
> - 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */
> - 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */
> - 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */
> - 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */
> - 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */
> - 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */
> - 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */
> - 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */
> - 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */
> - 0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */
> - 0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */
> - 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */
> - 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */
> - 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */
> - 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */
> - 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */
> -};
>
> /* EBCDIC to ASCII -- POSIX and System V compatible. */
> const u_char e2a_POSIX[] = {
> Index: dd.1
> ===================================================================
> RCS file: /cvs/src/bin/dd/dd.1,v
> retrieving revision 1.30
> diff -u -p -r1.30 dd.1
> --- dd.1 24 Mar 2014 21:42:41 -0000 1.30
> +++ dd.1 24 Mar 2014 21:56:08 -0000
> @@ -201,7 +201,7 @@ Input records shorter than the conversio
> Input records longer than the conversion record size are truncated.
> The number of truncated input records, if any, is reported to the standard
> error output at the completion of the copy.
> -.It Cm ebcdic , ibm , oldebcdic , oldibm
> +.It Cm ebcdic , ibm
> The same as the
> .Cm block
> value except that characters are translated from
> @@ -215,7 +215,7 @@ records are converted.
> if the operand
> .Cm cbs
> is also specified.)
> -There are four conversion maps for
> +There are two conversion maps for
> .Tn EBCDIC .
> The value
> .Cm ebcdic
> @@ -227,15 +227,6 @@ is a slightly different mapping, which i
> .At V
> .Cm ibm
> value.
> -The values
> -.Cm oldebcdic
> -and
> -.Cm oldibm
> -are maps used in historic
> -.At
> -and
> -.Pf pre- Bx 4.3 Reno
> -systems.
> .It Cm lcase
> Transform uppercase characters into lowercase characters.
> .It Cm noerror
> @@ -397,20 +388,18 @@ The
> and
> .Cm status
> operands,
> -the conversions
> -.Cm oldascii ,
> -.Cm oldebcdic ,
> -.Cm oldibm ,
> -and
> -.Cm osync ,
> -the size multipliers
> +the
> +.Cm osync
> +conversion,
> +the
> .Sq K ,
> .Sq m ,
> .Sq M ,
> .Sq g ,
> .Sq G ,
> and
> -.Sq w ,
> +.Sq w
> +size multipliers
> and
> .Dv SIGINFO
> handling
> Index: extern.h
> ===================================================================
> RCS file: /cvs/src/bin/dd/extern.h,v
> retrieving revision 1.8
> diff -u -p -r1.8 extern.h
> --- extern.h 4 Dec 2012 02:27:00 -0000 1.8
> +++ extern.h 24 Mar 2014 21:56:08 -0000
> @@ -58,7 +58,7 @@ extern size_t cbsz;
> extern u_int ddflags;
> extern size_t files_cnt;
> extern const u_char *ctab;
> -extern const u_char a2e_32V[], a2e_POSIX[];
> -extern const u_char e2a_32V[], e2a_POSIX[];
> -extern const u_char a2ibm_32V[], a2ibm_POSIX[];
> +extern const u_char a2e_POSIX[];
> +extern const u_char e2a_POSIX[];
> +extern const u_char a2ibm_POSIX[];
> extern u_char casetab[];
>
>
>
