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diff --git a/libopts/streqvcmp.c b/libopts/streqvcmp.c
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-
-/*
- * $Id: streqvcmp.c,v 4.10 2007/04/28 22:19:23 bkorb Exp $
- * Time-stamp: "2006-07-26 18:25:53 bkorb"
- *
- * String Equivalence Comparison
- *
- * These routines allow any character to be mapped to any other
- * character before comparison. In processing long option names,
- * the characters "-", "_" and "^" all need to be equivalent
- * (because they are treated so by different development environments).
- */
-
-/*
- * Automated Options copyright 1992-2007 Bruce Korb
- *
- * Automated Options is free software.
- * You may redistribute it and/or modify it under the terms of the
- * GNU General Public License, as published by the Free Software
- * Foundation; either version 2, or (at your option) any later version.
- *
- * Automated Options is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Automated Options. See the file "COPYING". If not,
- * write to: The Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- * As a special exception, Bruce Korb gives permission for additional
- * uses of the text contained in his release of AutoOpts.
- *
- * The exception is that, if you link the AutoOpts library with other
- * files to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the AutoOpts library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by Bruce Korb under
- * the name AutoOpts. If you copy code from other sources under the
- * General Public License into a copy of AutoOpts, as the General Public
- * License permits, the exception does not apply to the code that you add
- * in this way. To avoid misleading anyone as to the status of such
- * modified files, you must delete this exception notice from them.
- *
- * If you write modifications of your own for AutoOpts, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.
- */
-
-/*
- * This array is designed for mapping upper and lower case letter
- * together for a case independent comparison. The mappings are
- * based upon ascii character sequences.
- */
-static unsigned char charmap[] = {
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, '\a',
- '\b', '\t', '\n', '\v', '\f', '\r', 0x0E, 0x0F,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
- 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
-
- ' ', '!', '"', '#', '$', '%', '&', '\'',
- '(', ')', '*', '+', ',', '-', '.', '/',
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', ':', ';', '<', '=', '>', '?',
-
- '@', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
- 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
- 'x', 'y', 'z', '[', '\\', ']', '^', '_',
- '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
- 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
- 'x', 'y', 'z', '{', '|', '}', '~', 0x7f,
-
- 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
- 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
- 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
- 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
- 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF,
- 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7,
- 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF,
-
- 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
- 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
- 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
- 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
- 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
- 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
- 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
- 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF,
-};
-
-
-/*=export_func strneqvcmp
- *
- * what: compare two strings with an equivalence mapping
- *
- * arg: + char const* + str1 + first string +
- * arg: + char const* + str2 + second string +
- * arg: + int + ct + compare length +
- *
- * ret_type: int
- * ret_desc: the difference between two differing characters
- *
- * doc:
- *
- * Using a character mapping, two strings are compared for "equivalence".
- * Each input character is mapped to a comparison character and the
- * mapped-to characters are compared for the two NUL terminated input strings.
- * The comparison is limited to @code{ct} bytes.
- * This function name is mapped to option_strneqvcmp so as to not conflict
- * with the POSIX name space.
- *
- * err: none checked. Caller responsible for seg faults.
-=*/
-int
-strneqvcmp( tCC* s1, tCC* s2, int ct )
-{
- for (; ct > 0; --ct) {
- unsigned char u1 = (unsigned char) *s1++;
- unsigned char u2 = (unsigned char) *s2++;
- int dif = charmap[ u1 ] - charmap[ u2 ];
-
- if (dif != 0)
- return dif;
-
- if (u1 == NUL)
- return 0;
- }
-
- return 0;
-}
-
-
-/*=export_func streqvcmp
- *
- * what: compare two strings with an equivalence mapping
- *
- * arg: + char const* + str1 + first string +
- * arg: + char const* + str2 + second string +
- *
- * ret_type: int
- * ret_desc: the difference between two differing characters
- *
- * doc:
- *
- * Using a character mapping, two strings are compared for "equivalence".
- * Each input character is mapped to a comparison character and the
- * mapped-to characters are compared for the two NUL terminated input strings.
- * This function name is mapped to option_streqvcmp so as to not conflict
- * with the POSIX name space.
- *
- * err: none checked. Caller responsible for seg faults.
-=*/
-int
-streqvcmp( tCC* s1, tCC* s2 )
-{
- for (;;) {
- unsigned char u1 = (unsigned char) *s1++;
- unsigned char u2 = (unsigned char) *s2++;
- int dif = charmap[ u1 ] - charmap[ u2 ];
-
- if (dif != 0)
- return dif;
-
- if (u1 == NUL)
- return 0;
- }
-}
-
-
-/*=export_func streqvmap
- *
- * what: Set the character mappings for the streqv functions
- *
- * arg: + char + From + Input character +
- * arg: + char + To + Mapped-to character +
- * arg: + int + ct + compare length +
- *
- * doc:
- *
- * Set the character mapping. If the count (@code{ct}) is set to zero, then
- * the map is cleared by setting all entries in the map to their index
- * value. Otherwise, the "@code{From}" character is mapped to the "@code{To}"
- * character. If @code{ct} is greater than 1, then @code{From} and @code{To}
- * are incremented and the process repeated until @code{ct} entries have been
- * set. For example,
- * @example
- * streqvmap( 'a', 'A', 26 );
- * @end example
- * @noindent
- * will alter the mapping so that all English lower case letters
- * will map to upper case.
- *
- * This function name is mapped to option_streqvmap so as to not conflict
- * with the POSIX name space.
- *
- * err: none.
-=*/
-void
-streqvmap( char From, char To, int ct )
-{
- if (ct == 0) {
- ct = sizeof( charmap ) - 1;
- do {
- charmap[ ct ] = ct;
- } while (--ct >= 0);
- }
-
- else {
- int chTo = (int)To & 0xFF;
- int chFrom = (int)From & 0xFF;
-
- do {
- charmap[ chFrom ] = (unsigned)chTo;
- chFrom++;
- chTo++;
- if ((chFrom >= sizeof( charmap )) || (chTo >= sizeof( charmap )))
- break;
- } while (--ct > 0);
- }
-}
-
-
-/*=export_func strequate
- *
- * what: map a list of characters to the same value
- *
- * arg: + char const* + ch_list + characters to equivalence +
- *
- * doc:
- *
- * Each character in the input string get mapped to the first character
- * in the string.
- * This function name is mapped to option_strequate so as to not conflict
- * with the POSIX name space.
- *
- * err: none.
-=*/
-void
-strequate( char const* s )
-{
- if ((s != NULL) && (*s != NUL)) {
- unsigned char equiv = (unsigned)*s;
- while (*s != NUL)
- charmap[ (unsigned)*(s++) ] = equiv;
- }
-}
-
-
-/*=export_func strtransform
- *
- * what: convert a string into its mapped-to value
- *
- * arg: + char* + dest + output string +
- * arg: + char const* + src + input string +
- *
- * doc:
- *
- * Each character in the input string is mapped and the mapped-to
- * character is put into the output.
- * This function name is mapped to option_strtransform so as to not conflict
- * with the POSIX name space.
- *
- * err: none.
-=*/
-void
-strtransform( char* d, char const* s )
-{
- do {
- *(d++) = (char)charmap[ (unsigned)*s ];
- } while (*(s++) != NUL);
-}
-
-/*
- * Local Variables:
- * mode: C
- * c-file-style: "stroustrup"
- * indent-tabs-mode: nil
- * End:
- * end of autoopts/streqvcmp.c */
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