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Diffstat (limited to 'src/libopts/streqvcmp.c')
-rw-r--r-- | src/libopts/streqvcmp.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/src/libopts/streqvcmp.c b/src/libopts/streqvcmp.c deleted file mode 100644 index 53477d65f9..0000000000 --- a/src/libopts/streqvcmp.c +++ /dev/null @@ -1,284 +0,0 @@ - -/** - * \file streqvcmp.c - * - * 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). - * - * @addtogroup autoopts - * @{ - */ -/* - * This file is part of AutoOpts, a companion to AutoGen. - * AutoOpts is free software. - * AutoOpts is Copyright (C) 1992-2018 by Bruce Korb - all rights reserved - * - * AutoOpts is available under any one of two licenses. The license - * in use must be one of these two and the choice is under the control - * of the user of the license. - * - * The GNU Lesser General Public License, version 3 or later - * See the files "COPYING.lgplv3" and "COPYING.gplv3" - * - * The Modified Berkeley Software Distribution License - * See the file "COPYING.mbsd" - * - * These files have the following sha256 sums: - * - * 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3 - * 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3 - * 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd - * - * 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[] = { - NUL, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, '\a', - '\b', '\t', NL, '\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(char const * s1, char const * s2, int ct) -{ - for (; ct > 0; --ct) { - unsigned char u1 = (unsigned char) *s1++; - unsigned char u2 = (unsigned char) *s2++; - int dif; - if (u1 == u2) { - if (u1 == NUL) - return 0; - continue; - } - - 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(char const * s1, char const * s2) -{ - for (;;) { - unsigned char u1 = (unsigned char) *s1++; - unsigned char u2 = (unsigned char) *s2++; - int dif; - if (u1 == u2) { - if (u1 == NUL) - return 0; - continue; - } - - 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] = (unsigned char)ct; - } while (--ct >= 0); - } - - else { - unsigned int i_to = (int)to & 0xFF; - unsigned int i_from = (int)from & 0xFF; - - do { - charmap[i_from] = (unsigned char)i_to; - i_from++; - i_to++; - if ((i_from >= sizeof(charmap)) || (i_to >= 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 char)*s; - while (*s != NUL) - charmap[(unsigned char)*(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. - * - * The source and destination may be the same. - * - * err: none. -=*/ -void -strtransform(char * d, char const * s) -{ - do { - *(d++) = (char)charmap[(unsigned char)*s]; - } while (*(s++) != NUL); -} - -/** @} - * - * Local Variables: - * mode: C - * c-file-style: "stroustrup" - * indent-tabs-mode: nil - * End: - * end of autoopts/streqvcmp.c */ |