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/************************************************************************
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*
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* valcmp.cpp - definitions of the rw_valcmp() family of helper functions
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*
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* $Id: valcmp.cpp 332687 2005-11-12 00:47:57Z sebor $
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*
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************************************************************************
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*
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* Copyright (c) 1994-2005 Quovadx, Inc., acting through its Rogue Wave
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* Software division. Licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0. Unless required by
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* applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License
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* for the specific language governing permissions and limitations under
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* the License.
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*
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**************************************************************************/
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// expand _TEST_EXPORT macros
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#define _RWSTD_TEST_SRC
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#include <cfloat>
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#include <valcmp.h>
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#include <stdio.h> // for fprintf, stderr
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#include <stdlib.h> // for abort
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#include <string.h> // for memcmp
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/**************************************************************************/
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typedef unsigned char UChar;
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37 |
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static const UChar
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_rw_upper [] = {
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#if 'A' == 0x41
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// basic ASCII:
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// .0 .1 .2 .3 .4 .5 .6 .7 .8 .9 .a .b .c .d .e .f
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// --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
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// NUL SOH STX ETX EOT ENQ ACK BEL BS TAB LF VT FF CR SO SI
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/* 0. */ "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
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// DLE DC1 DC2 DC3 DC4 NAK SYN ETB CAN EM SUB ESC FS GS RS US
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/* 1. */ "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
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// SPC ! " # $ % ' ' ( ) * + , - . /
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/* 2. */ "\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f"
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// 0 1 2 3 4 5 6 7 8 9 : ; < = > ?
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/* 3. */ "\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f"
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// A B C D E F G H I J K L M N O
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/* 4. */ "\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f"
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// P Q R S T U V W X Y Z [ \ ] ^ _
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/* 5. */ "\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5a\x5b\x5c\x5d\x5e\x5f"
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// ` a b c d e f g h i j k l m n o
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/* 6. */ "\x60\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f"
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// p q r s t u v w x y z { | } ~ DEL
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/* 7. */ "\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5a\x7b\x7c\x7d\x7e\x7f"
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// extended ASCII:
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/* 8. */ "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
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/* 9. */ "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
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/* a. */ "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf"
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/* b. */ "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf"
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/* c. */ "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf"
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/* d. */ "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf"
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/* e. */ "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
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/* f. */ "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
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#elif 'A' == 0xc1
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// EBCDIC:
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// .0 .1 .2 .3 .4 .5 .6 .7 .8 .9 .a .b .c .d .e .f
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// --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
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// NUL SOH STX ETX PF HT LC DEL SMM VT FF CR SO SI
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/* 0. */ "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
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// DLE DC1 DC2 TM RES NL BS IL CAN EM CC CU1 IFS IGS IRS IUS
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/* 1. */ "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
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// DS SOS FS BYP LF ETB ESC SM CU2 ENQ ACK BEL
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/* 2. */ "\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f"
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// SYN PN RS UC EOT CU3 DC4 NAK SUB
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/* 3. */ "\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f"
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// SP ct. . < ( + |
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/* 4. */ "\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f"
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// & ! $ * ) ; ~
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/* 5. */ "\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5a\x5b\x5c\x5d\x5e\x5f"
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// - / , % _ > ?
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/* 6. */ "\x60\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f"
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// : # @ ' = "
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/* 7. */ "\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f"
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// a b c d e f g h i
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/* 8. */ "\x80\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\x8a\x8b\x8c\x8d\x8e\x8f"
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// j k l m n o p q r
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/* 9. */ "\x90\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\x9a\x9b\x9c\x9d\x9e\x9f"
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// s t u v w x y z
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/* a. */ "\xa0\xa1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xaa\xab\xac\xad\xae\xaf"
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// `
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/* b. */ "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf"
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// A B C D E F G H I
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/* c. */ "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf"
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// J K L M N O P Q R
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/* d. */ "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf"
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// S T U V W X Y Z
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/* e. */ "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
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// 0 1 2 3 4 5 6 7 8 9
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/* f. */ "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
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111 |
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#else // 'A' != 0x41 && 'A' != 0xc1
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# error unknown character set (neither ASCII nor EBCDIC)
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#endif // ASCII or EBCDIC
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};
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// returns 1 iff all size bytes of the object pointed to by buf are 0
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static int
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_rw_iszero (const void *buf, _RWSTD_SIZE_T size)
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{
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for (_RWSTD_SIZE_T i = 0; i != size; ++i)
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if (_RWSTD_STATIC_CAST (const UChar*, buf)[i])
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return 0;
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return 1;
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}
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129 |
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// compares two objects of equal size
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static int
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_rw_cmpx (const void *buf1,
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const void *buf2,
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_RWSTD_SIZE_T nelems,
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_RWSTD_SIZE_T size,
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int flags = 0)
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{
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const UChar *p1 = _RWSTD_STATIC_CAST (const UChar*, buf1);
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const UChar *p2 = _RWSTD_STATIC_CAST (const UChar*, buf2);
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141 |
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int ret = 0;
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143 |
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for ( ; nelems; p1 += size, p2 += size, --nelems) {
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145 |
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ret = memcmp (p1, p2, size);
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147 |
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if (flags & CMP_NULTERM) {
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149 |
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const int zero1 = _rw_iszero (p1, size);
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const int zero2 = _rw_iszero (p2, size);
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152 |
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if (zero1 || zero2) {
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ret = zero1 - zero2;
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break;
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}
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}
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158 |
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if (ret && (flags & CMP_NOCASE)) {
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// FIXME: implement
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fprintf (stderr,
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"%s:%d: case insensitive comparison not implemented\n",
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__FILE__, __LINE__);
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abort ();
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}
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166 |
}
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167 |
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if (flags & CMP_RETOFF) {
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// FIXME: implement
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fprintf (stderr,
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"%s:%d: returning offset not implemented\n",
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__FILE__, __LINE__);
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173 |
abort ();
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174 |
}
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175 |
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176 |
return ret < 0 ? -1 : ret ? +1 : 0;
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177 |
}
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178 |
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179 |
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180 |
// compares two byte arrays
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181 |
static int
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182 |
_rw_cmp1 (const void *buf1,
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const void *buf2,
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184 |
_RWSTD_SIZE_T nelems,
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int flags = 0)
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186 |
{
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187 |
#ifdef _RWSTD_UINT8_T
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188 |
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189 |
typedef _RWSTD_UINT8_T UI8T;
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190 |
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191 |
if (0 == flags) {
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192 |
const int ret = memcmp (buf1, buf2, nelems);
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193 |
return ret < 0 ? -1 : ret ? +1 : 0;
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194 |
}
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195 |
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196 |
if (CMP_NULTERM == flags) {
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197 |
const int ret =
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198 |
strncmp (_RWSTD_STATIC_CAST (const char*, buf1),
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199 |
_RWSTD_STATIC_CAST (const char*, buf2),
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200 |
nelems);
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201 |
return ret < 0 ? -1 : ret ? +1 : 0;
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202 |
}
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203 |
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204 |
int ret = 0;
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205 |
int inx = 0;
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206 |
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207 |
const UI8T *pi1 = _RWSTD_STATIC_CAST (const UI8T*, buf1);
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208 |
const UI8T *pi2 = _RWSTD_STATIC_CAST (const UI8T*, buf2);
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209 |
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210 |
for (; nelems; ++pi1, ++pi2, --nelems, ++inx) {
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211 |
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212 |
const UI8T ui1 = *pi1;
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213 |
const UI8T ui2 = *pi2;
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214 |
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215 |
if (flags & CMP_NULTERM) {
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216 |
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217 |
if (0 == ui1) {
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218 |
ret = ui2 ? -1 : 0;
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219 |
break;
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220 |
}
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221 |
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222 |
if (0 == ui2) {
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223 |
ret = +1;
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224 |
break;
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225 |
}
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226 |
}
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227 |
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228 |
if (ui1 != ui2) {
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229 |
if (flags & CMP_NOCASE) {
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230 |
if (_rw_upper [ui1] != _rw_upper [ui2]) {
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231 |
ret = _rw_upper [ui1] < _rw_upper [ui2] ? -1 : +1;
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232 |
break;
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233 |
}
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234 |
}
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235 |
else {
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236 |
ret = ui1 < ui2 ? -1 : +1;
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237 |
break;
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238 |
}
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239 |
}
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240 |
}
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241 |
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242 |
if (CMP_RETOFF & flags) {
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243 |
ret = _RWSTD_STATIC_CAST (_RWSTD_SIZE_T, inx) < nelems ? inx : -1;
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244 |
}
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245 |
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246 |
return ret;
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247 |
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248 |
#else // if !defined (_RWSTD_UINT8_T)
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249 |
# error _RWSTD_UINT8_T not #defined (configuration problem?)
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250 |
#endif // _RWSTD_UINT8_T
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251 |
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252 |
}
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253 |
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254 |
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255 |
// compares two arrays of objects each 16 bits in size
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256 |
static int
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257 |
_rw_cmp2 (const void *buf1,
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258 |
const void *buf2,
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259 |
_RWSTD_SIZE_T nelems,
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260 |
int flags = 0)
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261 |
{
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262 |
#ifdef _RWSTD_UINT16_T
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263 |
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264 |
typedef _RWSTD_UINT16_T UI16T;
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265 |
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266 |
int ret = 0;
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267 |
int inx = 0;
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268 |
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269 |
const UI16T *pi1 = _RWSTD_STATIC_CAST (const UI16T*, buf1);
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270 |
const UI16T *pi2 = _RWSTD_STATIC_CAST (const UI16T*, buf2);
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271 |
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272 |
for (; nelems; ++pi1, ++pi2, --nelems) {
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273 |
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274 |
const UI16T ui1 = *pi1;
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275 |
const UI16T ui2 = *pi2;
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276 |
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277 |
if (flags & CMP_NULTERM) {
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278 |
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279 |
if (0 == ui1) {
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280 |
ret = ui2 ? -1 : 0;
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281 |
break;
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282 |
}
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283 |
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284 |
if (0 == ui2) {
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|
285 |
ret = +1;
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286 |
break;
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287 |
}
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288 |
}
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289 |
|
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|
290 |
if (ui1 != ui2) {
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291 |
if (flags & CMP_NOCASE) {
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292 |
if (_RWSTD_UCHAR_MAX < ui1 || _RWSTD_UCHAR_MAX < ui2) {
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293 |
ret = ui1 < ui2 ? -1 : +1;
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294 |
break;
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295 |
}
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296 |
else if (_rw_upper [ui1] != _rw_upper [ui2]) {
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|
297 |
ret = _rw_upper [ui1] < _rw_upper [ui2] ? -1 : +1;
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|
298 |
break;
|
|
|
299 |
}
|
|
|
300 |
}
|
|
|
301 |
else {
|
|
|
302 |
ret = ui1 < ui2 ? -1 : +1;
|
|
|
303 |
break;
|
|
|
304 |
}
|
|
|
305 |
}
|
|
|
306 |
}
|
|
|
307 |
|
|
|
308 |
if (CMP_RETOFF & flags) {
|
|
|
309 |
ret = _RWSTD_STATIC_CAST (_RWSTD_SIZE_T, inx) < nelems ? inx : -1;
|
|
|
310 |
}
|
|
|
311 |
|
|
|
312 |
return ret;
|
|
|
313 |
|
|
|
314 |
#else // if !defined (_RWSTD_UINT16_T)
|
|
|
315 |
|
|
|
316 |
return _rw_cmpx (buf1, buf2, nelems, 2, flags);
|
|
|
317 |
|
|
|
318 |
#endif // _RWSTD_UINT16_T
|
|
|
319 |
}
|
|
|
320 |
|
|
|
321 |
|
|
|
322 |
// compares two arrays of objects each 32 bits in size
|
|
|
323 |
static int
|
|
|
324 |
_rw_cmp4 (const void *buf1,
|
|
|
325 |
const void *buf2,
|
|
|
326 |
_RWSTD_SIZE_T nelems,
|
|
|
327 |
int flags = 0)
|
|
|
328 |
{
|
|
|
329 |
#ifdef _RWSTD_UINT32_T
|
|
|
330 |
|
|
|
331 |
typedef _RWSTD_UINT32_T UI32T;
|
|
|
332 |
|
|
|
333 |
int ret = 0;
|
|
|
334 |
int inx = 0;
|
|
|
335 |
|
|
|
336 |
const UI32T *pi1 = _RWSTD_STATIC_CAST (const UI32T*, buf1);
|
|
|
337 |
const UI32T *pi2 = _RWSTD_STATIC_CAST (const UI32T*, buf2);
|
|
|
338 |
|
|
|
339 |
for (; nelems; ++pi1, ++pi2, --nelems) {
|
|
|
340 |
|
|
|
341 |
const UI32T ui1 = *pi1;
|
|
|
342 |
const UI32T ui2 = *pi2;
|
|
|
343 |
|
|
|
344 |
if (flags & CMP_NULTERM) {
|
|
|
345 |
|
|
|
346 |
if (0 == ui1) {
|
|
|
347 |
ret = ui2 ? -1 : 0;
|
|
|
348 |
break;
|
|
|
349 |
}
|
|
|
350 |
|
|
|
351 |
if (0 == ui2) {
|
|
|
352 |
ret = +1;
|
|
|
353 |
break;
|
|
|
354 |
}
|
|
|
355 |
}
|
|
|
356 |
|
|
|
357 |
if (ui1 != ui2) {
|
|
|
358 |
if (flags & CMP_NOCASE) {
|
|
|
359 |
if (_RWSTD_UCHAR_MAX < ui1 || _RWSTD_UCHAR_MAX < ui2) {
|
|
|
360 |
ret = ui1 < ui2 ? -1 : +1;
|
|
|
361 |
break;
|
|
|
362 |
}
|
|
|
363 |
else if (_rw_upper [ui1] != _rw_upper [ui2]) {
|
|
|
364 |
ret = _rw_upper [ui1] < _rw_upper [ui2] ? -1 : +1;
|
|
|
365 |
break;
|
|
|
366 |
}
|
|
|
367 |
}
|
|
|
368 |
else {
|
|
|
369 |
ret = ui1 < ui2 ? -1 : +1;
|
|
|
370 |
break;
|
|
|
371 |
}
|
|
|
372 |
}
|
|
|
373 |
}
|
|
|
374 |
|
|
|
375 |
if (CMP_RETOFF & flags) {
|
|
|
376 |
ret = _RWSTD_STATIC_CAST (_RWSTD_SIZE_T, inx) < nelems ? inx : -1;
|
|
|
377 |
}
|
|
|
378 |
|
|
|
379 |
return ret;
|
|
|
380 |
|
|
|
381 |
#else // if !defined (_RWSTD_UINT32_T)
|
|
|
382 |
|
|
|
383 |
return _rw_cmpx (buf1, buf2, nelems, 4, flags);
|
|
|
384 |
|
|
|
385 |
#endif // _RWSTD_UINT32_T
|
|
|
386 |
}
|
|
|
387 |
|
|
|
388 |
|
|
|
389 |
// compares two arrays of objects each 64 bits in size
|
|
|
390 |
static int
|
|
|
391 |
_rw_cmp8 (const void *buf1,
|
|
|
392 |
const void *buf2,
|
|
|
393 |
_RWSTD_SIZE_T nelems,
|
|
|
394 |
int flags = 0)
|
|
|
395 |
{
|
|
|
396 |
#ifdef _RWSTD_UINT64_T
|
|
|
397 |
|
|
|
398 |
typedef _RWSTD_UINT64_T UI64T;
|
|
|
399 |
|
|
|
400 |
int ret = 0;
|
|
|
401 |
int inx = 0;
|
|
|
402 |
|
|
|
403 |
const UI64T *pi1 = _RWSTD_STATIC_CAST (const UI64T*, buf1);
|
|
|
404 |
const UI64T *pi2 = _RWSTD_STATIC_CAST (const UI64T*, buf2);
|
|
|
405 |
|
|
|
406 |
for (; nelems; ++pi1, ++pi2, --nelems) {
|
|
|
407 |
|
|
|
408 |
const UI64T ui1 = *pi1;
|
|
|
409 |
const UI64T ui2 = *pi2;
|
|
|
410 |
|
|
|
411 |
if (flags & CMP_NULTERM) {
|
|
|
412 |
|
|
|
413 |
if (0 == ui1) {
|
|
|
414 |
ret = ui2 ? -1 : 0;
|
|
|
415 |
break;
|
|
|
416 |
}
|
|
|
417 |
|
|
|
418 |
if (0 == ui2) {
|
|
|
419 |
ret = +1;
|
|
|
420 |
break;
|
|
|
421 |
}
|
|
|
422 |
}
|
|
|
423 |
|
|
|
424 |
if (ui1 != ui2) {
|
|
|
425 |
if (flags & CMP_NOCASE) {
|
|
|
426 |
if (_RWSTD_UCHAR_MAX < ui1 || _RWSTD_UCHAR_MAX < ui2) {
|
|
|
427 |
ret = ui1 < ui2 ? -1 : +1;
|
|
|
428 |
break;
|
|
|
429 |
}
|
|
|
430 |
else if (_rw_upper [ui1] != _rw_upper [ui2]) {
|
|
|
431 |
ret = _rw_upper [ui1] < _rw_upper [ui2] ? -1 : +1;
|
|
|
432 |
break;
|
|
|
433 |
}
|
|
|
434 |
}
|
|
|
435 |
else {
|
|
|
436 |
ret = ui1 < ui2 ? -1 : +1;
|
|
|
437 |
break;
|
|
|
438 |
}
|
|
|
439 |
}
|
|
|
440 |
}
|
|
|
441 |
|
|
|
442 |
if (CMP_RETOFF & flags) {
|
|
|
443 |
ret = _RWSTD_STATIC_CAST (_RWSTD_SIZE_T, inx) < nelems ? inx : -1;
|
|
|
444 |
}
|
|
|
445 |
|
|
|
446 |
return ret;
|
|
|
447 |
|
|
|
448 |
#else // if !defined (_RWSTD_UINT64_T)
|
|
|
449 |
|
|
|
450 |
return _rw_cmpx (buf1, buf2, nelems, 8, flags);
|
|
|
451 |
|
|
|
452 |
#endif // _RWSTD_UINT64_T
|
|
|
453 |
}
|
|
|
454 |
|
|
|
455 |
|
|
|
456 |
// compares two arrays of objects of unequal size
|
|
|
457 |
static int
|
|
|
458 |
_rw_cmpxx (const void* buf1,
|
|
|
459 |
const void* buf2,
|
|
|
460 |
_RWSTD_SIZE_T nelems,
|
|
|
461 |
_RWSTD_SIZE_T size1,
|
|
|
462 |
_RWSTD_SIZE_T size2,
|
|
|
463 |
int flags)
|
|
|
464 |
{
|
|
|
465 |
int ret = 0;
|
|
|
466 |
int inx = 0;
|
|
|
467 |
|
|
|
468 |
for (; nelems; --nelems, ++inx) {
|
|
|
469 |
|
|
|
470 |
#ifdef _RWSTD_UINT64_T
|
|
|
471 |
|
|
|
472 |
_RWSTD_UINT64_T ui1;
|
|
|
473 |
_RWSTD_UINT64_T ui2;
|
|
|
474 |
|
|
|
475 |
#else // if !defined (_RWSTD_UINT64_T)
|
|
|
476 |
|
|
|
477 |
_RWSTD_SIZE_T ui1;
|
|
|
478 |
_RWSTD_SIZE_T ui2;
|
|
|
479 |
|
|
|
480 |
#endif // _RWSTD_UINT64_T
|
|
|
481 |
|
|
|
482 |
switch (size1) {
|
|
|
483 |
|
|
|
484 |
#ifdef _RWSTD_UINT8_T
|
|
|
485 |
|
|
|
486 |
case 1: {
|
|
|
487 |
const _RWSTD_UINT8_T* ptr =
|
|
|
488 |
_RWSTD_STATIC_CAST (const _RWSTD_UINT8_T*, buf1);
|
|
|
489 |
ui1 = *ptr++;
|
|
|
490 |
buf1 = ptr;
|
|
|
491 |
break;
|
|
|
492 |
}
|
|
|
493 |
|
|
|
494 |
#endif // _RWSTD_UINT8_T
|
|
|
495 |
|
|
|
496 |
#ifdef _RWSTD_UINT16_T
|
|
|
497 |
|
|
|
498 |
case 2: {
|
|
|
499 |
const _RWSTD_UINT16_T* ptr =
|
|
|
500 |
_RWSTD_STATIC_CAST (const _RWSTD_UINT16_T*, buf1);
|
|
|
501 |
ui1 = *ptr++;
|
|
|
502 |
buf1 = ptr;
|
|
|
503 |
break;
|
|
|
504 |
}
|
|
|
505 |
|
|
|
506 |
#endif // _RWSTD_UINT16_T
|
|
|
507 |
|
|
|
508 |
#ifdef _RWSTD_UINT32_T
|
|
|
509 |
|
|
|
510 |
case 4: {
|
|
|
511 |
const _RWSTD_UINT32_T* ptr =
|
|
|
512 |
_RWSTD_STATIC_CAST (const _RWSTD_UINT32_T*, buf1);
|
|
|
513 |
ui1 = *ptr++;
|
|
|
514 |
buf1 = ptr;
|
|
|
515 |
break;
|
|
|
516 |
}
|
|
|
517 |
|
|
|
518 |
#endif // _RWSTD_UINT32_T
|
|
|
519 |
|
|
|
520 |
#ifdef _RWSTD_UINT64_T
|
|
|
521 |
|
|
|
522 |
case 8: {
|
|
|
523 |
const _RWSTD_UINT64_T* ptr =
|
|
|
524 |
_RWSTD_STATIC_CAST (const _RWSTD_UINT64_T*, buf1);
|
|
|
525 |
ui1 = *ptr++;
|
|
|
526 |
buf1 = ptr;
|
|
|
527 |
break;
|
|
|
528 |
}
|
|
|
529 |
|
|
|
530 |
#endif // _RWSTD_UINT64_T
|
|
|
531 |
|
|
|
532 |
default:
|
|
|
533 |
fprintf (stderr,
|
|
|
534 |
"%s:%d: comparison of objects %u and %u bytes in size "
|
|
|
535 |
"not implemented\n", __FILE__, __LINE__,
|
|
|
536 |
unsigned (size1), unsigned (size2));
|
|
|
537 |
abort ();
|
|
|
538 |
}
|
|
|
539 |
|
|
|
540 |
switch (size2) {
|
|
|
541 |
|
|
|
542 |
#ifdef _RWSTD_UINT8_T
|
|
|
543 |
|
|
|
544 |
case 1: {
|
|
|
545 |
const _RWSTD_UINT8_T* ptr =
|
|
|
546 |
_RWSTD_STATIC_CAST (const _RWSTD_UINT8_T*, buf2);
|
|
|
547 |
ui2 = *ptr++;
|
|
|
548 |
buf2 = ptr;
|
|
|
549 |
break;
|
|
|
550 |
}
|
|
|
551 |
|
|
|
552 |
#endif // _RWSTD_UINT8_T
|
|
|
553 |
|
|
|
554 |
#ifdef _RWSTD_UINT16_T
|
|
|
555 |
|
|
|
556 |
case 2: {
|
|
|
557 |
const _RWSTD_UINT16_T* ptr =
|
|
|
558 |
_RWSTD_STATIC_CAST (const _RWSTD_UINT16_T*, buf2);
|
|
|
559 |
ui2 = *ptr++;
|
|
|
560 |
buf2 = ptr;
|
|
|
561 |
break;
|
|
|
562 |
}
|
|
|
563 |
|
|
|
564 |
#endif // _RWSTD_UINT16_T
|
|
|
565 |
|
|
|
566 |
#ifdef _RWSTD_UINT32_T
|
|
|
567 |
|
|
|
568 |
case 4: {
|
|
|
569 |
const _RWSTD_UINT32_T* ptr =
|
|
|
570 |
_RWSTD_STATIC_CAST (const _RWSTD_UINT32_T*, buf2);
|
|
|
571 |
ui2 = *ptr++;
|
|
|
572 |
buf2 = ptr;
|
|
|
573 |
break;
|
|
|
574 |
}
|
|
|
575 |
|
|
|
576 |
#endif // _RWSTD_UINT32_T
|
|
|
577 |
|
|
|
578 |
#ifdef _RWSTD_UINT64_T
|
|
|
579 |
|
|
|
580 |
case 8: {
|
|
|
581 |
const _RWSTD_UINT64_T* ptr =
|
|
|
582 |
_RWSTD_STATIC_CAST (const _RWSTD_UINT64_T*, buf2);
|
|
|
583 |
ui2 = *ptr++;
|
|
|
584 |
buf2 = ptr;
|
|
|
585 |
break;
|
|
|
586 |
}
|
|
|
587 |
|
|
|
588 |
#endif // _RWSTD_UINT64_T
|
|
|
589 |
|
|
|
590 |
default:
|
|
|
591 |
fprintf (stderr,
|
|
|
592 |
"%s:%d: comparison of objects %u and %u bytes in size "
|
|
|
593 |
"not implemented\n", __FILE__, __LINE__,
|
|
|
594 |
unsigned (size1), unsigned (size2));
|
|
|
595 |
abort ();
|
|
|
596 |
}
|
|
|
597 |
|
|
|
598 |
if (flags & CMP_NULTERM) {
|
|
|
599 |
|
|
|
600 |
if (0 == ui1) {
|
|
|
601 |
ret = ui2 ? -1 : 0;
|
|
|
602 |
break;
|
|
|
603 |
}
|
|
|
604 |
|
|
|
605 |
if (0 == ui2) {
|
|
|
606 |
ret = +1;
|
|
|
607 |
break;
|
|
|
608 |
}
|
|
|
609 |
}
|
|
|
610 |
|
|
|
611 |
if (ui1 != ui2) {
|
|
|
612 |
if (flags & CMP_NOCASE) {
|
|
|
613 |
if (_RWSTD_UCHAR_MAX < ui1 || _RWSTD_UCHAR_MAX < ui2) {
|
|
|
614 |
ret = ui1 < ui2 ? -1 : +1;
|
|
|
615 |
break;
|
|
|
616 |
}
|
|
|
617 |
else if (_rw_upper [ui1] != _rw_upper [ui2]) {
|
|
|
618 |
ret = _rw_upper [ui1] < _rw_upper [ui2] ? -1 : +1;
|
|
|
619 |
break;
|
|
|
620 |
}
|
|
|
621 |
}
|
|
|
622 |
else {
|
|
|
623 |
ret = ui1 < ui2 ? -1 : +1;
|
|
|
624 |
break;
|
|
|
625 |
}
|
|
|
626 |
}
|
|
|
627 |
}
|
|
|
628 |
|
|
|
629 |
if (CMP_RETOFF & flags) {
|
|
|
630 |
ret = _RWSTD_STATIC_CAST (_RWSTD_SIZE_T, inx) < nelems ? inx : -1;
|
|
|
631 |
}
|
|
|
632 |
|
|
|
633 |
return ret;
|
|
|
634 |
}
|
|
|
635 |
|
|
|
636 |
|
|
|
637 |
_TEST_EXPORT int
|
|
|
638 |
rw_valcmp (const void* buf1,
|
|
|
639 |
const void* buf2,
|
|
|
640 |
_RWSTD_SIZE_T nelems,
|
|
|
641 |
_RWSTD_SIZE_T size1,
|
|
|
642 |
_RWSTD_SIZE_T size2,
|
|
|
643 |
int flags /* = 0 */)
|
|
|
644 |
{
|
|
|
645 |
if (size1 == size2) {
|
|
|
646 |
|
|
|
647 |
switch (size1) {
|
|
|
648 |
case 1: return _rw_cmp1 (buf1, buf2, nelems, flags);
|
|
|
649 |
case 2: return _rw_cmp2 (buf1, buf2, nelems, flags);
|
|
|
650 |
case 4: return _rw_cmp4 (buf1, buf2, nelems, flags);
|
|
|
651 |
case 8: return _rw_cmp8 (buf1, buf2, nelems, flags);
|
|
|
652 |
}
|
|
|
653 |
|
|
|
654 |
return _rw_cmpx (buf1, buf2, nelems, size1, flags);
|
|
|
655 |
}
|
|
|
656 |
|
|
|
657 |
return _rw_cmpxx (buf1, buf2, nelems, size1, size2, flags);
|
|
|
658 |
}
|
|
|
659 |
|
|
|
660 |
|
|
|
661 |
_TEST_EXPORT int
|
|
|
662 |
rw_strncmp (const char* str1,
|
|
|
663 |
const char* str2,
|
|
|
664 |
_RWSTD_SIZE_T nelems /* = _RWSTD_SIZE_MAX */,
|
|
|
665 |
int flags /* = CMP_NULTERM */)
|
|
|
666 |
{
|
|
|
667 |
return rw_valcmp (str1, str2, nelems, 1, 1, flags);
|
|
|
668 |
}
|
|
|
669 |
|
|
|
670 |
|
|
|
671 |
#ifndef _RWSTD_NO_WCHAR_T
|
|
|
672 |
|
|
|
673 |
_TEST_EXPORT int
|
|
|
674 |
rw_strncmp (const char* str1,
|
|
|
675 |
const wchar_t* str2,
|
|
|
676 |
_RWSTD_SIZE_T nelems /* = _RWSTD_SIZE_MAX */,
|
|
|
677 |
int flags /* = CMP_NULTERM */)
|
|
|
678 |
{
|
|
|
679 |
return rw_valcmp (str1, str2, nelems, 1, sizeof (wchar_t), flags);
|
|
|
680 |
}
|
|
|
681 |
|
|
|
682 |
|
|
|
683 |
_TEST_EXPORT int
|
|
|
684 |
rw_strncmp (const wchar_t* str1,
|
|
|
685 |
const char* str2,
|
|
|
686 |
_RWSTD_SIZE_T nelems /* = _RWSTD_SIZE_MAX */,
|
|
|
687 |
int flags /* = CMP_NULTERM */)
|
|
|
688 |
{
|
|
|
689 |
return rw_valcmp (str1, str2, nelems, sizeof (wchar_t), 1, flags);
|
|
|
690 |
}
|
|
|
691 |
|
|
|
692 |
|
|
|
693 |
_TEST_EXPORT int
|
|
|
694 |
rw_strncmp (const wchar_t* str1,
|
|
|
695 |
const wchar_t* str2,
|
|
|
696 |
_RWSTD_SIZE_T nelems /* = _RWSTD_SIZE_MAX */,
|
|
|
697 |
int flags /* = CMP_NULTERM */)
|
|
|
698 |
{
|
|
|
699 |
return rw_valcmp (str1, str2, nelems,
|
|
|
700 |
sizeof (wchar_t), sizeof (wchar_t), flags);
|
|
|
701 |
}
|
|
|
702 |
|
|
|
703 |
#endif // _RWSTD_NO_WCHAR_T
|
|
|
704 |
|
|
|
705 |
|
|
|
706 |
// floating point comparison helpers based on
|
|
|
707 |
// http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm
|
|
|
708 |
|
|
|
709 |
_TEST_EXPORT int
|
|
|
710 |
rw_fltcmp (float x, float y)
|
|
|
711 |
{
|
|
|
712 |
#if _RWSTD_SHRT_SIZE == _RWSTD_INT_SIZE
|
|
|
713 |
typedef short IntT;
|
|
|
714 |
#ifdef __ARMCC__
|
|
|
715 |
#pragma diag_suppress 68
|
|
|
716 |
#endif
|
|
|
717 |
const IntT imin = _RWSTD_SHRT_MIN;
|
|
|
718 |
|
|
|
719 |
#elif _RWSTD_FLT_SIZE == _RWSTD_INT_SIZE
|
|
|
720 |
typedef int IntT;
|
|
|
721 |
const IntT imin = _RWSTD_INT_MIN;
|
|
|
722 |
#elif _RWSTD_FLT_SIZE == _RWSTD_LONG_SIZE
|
|
|
723 |
typedef long IntT;
|
|
|
724 |
const IntT imin = _RWSTD_LONG_MIN;
|
|
|
725 |
#elif _RWSTD_FLT_SIZE == _RWSTD_LLONG_SIZE
|
|
|
726 |
typedef _RWSTD_LONG_LONG IntT;
|
|
|
727 |
const IntT imin = _RWSTD_LLONG_MIN;
|
|
|
728 |
#else
|
|
|
729 |
// ???
|
|
|
730 |
# error no integral type of the same size as float exists
|
|
|
731 |
#endif
|
|
|
732 |
|
|
|
733 |
if (x == y)
|
|
|
734 |
return 0;
|
|
|
735 |
|
|
|
736 |
// make both arguments lexicographically ordered as twos-complement ints
|
|
|
737 |
IntT x_int = *(IntT*)&x;
|
|
|
738 |
if (x_int < 0)
|
|
|
739 |
x_int = imin - x_int;
|
|
|
740 |
|
|
|
741 |
IntT y_int = *(IntT*)&y;
|
|
|
742 |
if (y_int < 0)
|
|
|
743 |
y_int = imin - y_int;
|
|
|
744 |
|
|
|
745 |
const IntT int_diff = x_int - y_int;
|
|
|
746 |
|
|
|
747 |
return int_diff;
|
|
|
748 |
}
|
|
|
749 |
|
|
|
750 |
|
|
|
751 |
#define Abs(x) ((x) < 0 ? -(x) : (x))
|
|
|
752 |
|
|
|
753 |
|
|
|
754 |
_TEST_EXPORT int
|
|
|
755 |
rw_dblcmp (double x, double y)
|
|
|
756 |
{
|
|
|
757 |
#if _RWSTD_DBL_SIZE == _RWSTD_INT_SIZE
|
|
|
758 |
typedef int IntT;
|
|
|
759 |
const IntT imin = _RWSTD_INT_MIN;
|
|
|
760 |
#elif _RWSTD_DBL_SIZE == _RWSTD_LONG_SIZE
|
|
|
761 |
typedef long IntT;
|
|
|
762 |
const IntT imin = _RWSTD_LONG_MIN;
|
|
|
763 |
#elif _RWSTD_DBL_SIZE == _RWSTD_LLONG_SIZE
|
|
|
764 |
typedef _RWSTD_LONG_LONG IntT;
|
|
|
765 |
const IntT imin = _RWSTD_LLONG_MIN;
|
|
|
766 |
#endif
|
|
|
767 |
|
|
|
768 |
#if _RWSTD_LLONG_SIZE < _RWSTD_DBL_SIZE
|
|
|
769 |
|
|
|
770 |
if (x == y)
|
|
|
771 |
return 0;
|
|
|
772 |
|
|
|
773 |
// FIXME: use integer math as in the functions above
|
|
|
774 |
|
|
|
775 |
const double diff = x - y;
|
|
|
776 |
|
|
|
777 |
// check absolute error
|
|
|
778 |
if (Abs (diff) < _RWSTD_DBL_EPSILON)
|
|
|
779 |
return 0;
|
|
|
780 |
|
|
|
781 |
// check relative error
|
|
|
782 |
const double relerr =
|
|
|
783 |
Abs (x) < Abs (y) ? Abs (diff / y) : Abs (diff / x);
|
|
|
784 |
|
|
|
785 |
if (relerr <= 0.0000001)
|
|
|
786 |
return 0;
|
|
|
787 |
|
|
|
788 |
return x < y ? -1 : +1;
|
|
|
789 |
|
|
|
790 |
#else // if !(_RWSTD_LLONG_SIZE < _RWSTD_DBL_SIZE)
|
|
|
791 |
|
|
|
792 |
if (x == y)
|
|
|
793 |
return 0;
|
|
|
794 |
|
|
|
795 |
IntT x_int = *(IntT*)&x;
|
|
|
796 |
if (x_int < 0)
|
|
|
797 |
x_int = imin - x_int;
|
|
|
798 |
|
|
|
799 |
IntT y_int = *(IntT*)&y;
|
|
|
800 |
if (y_int < 0)
|
|
|
801 |
y_int = imin - y_int;
|
|
|
802 |
|
|
|
803 |
const IntT int_diff = x_int - y_int;
|
|
|
804 |
|
|
|
805 |
return int_diff;
|
|
|
806 |
|
|
|
807 |
#endif // _RWSTD_LLONG_SIZE < _RWSTD_DBL_SIZE
|
|
|
808 |
|
|
|
809 |
}
|
|
|
810 |
|
|
|
811 |
|
|
|
812 |
#ifndef _RWSTD_NO_LONG_DOUBLE
|
|
|
813 |
_TEST_EXPORT int
|
|
|
814 |
rw_ldblcmp (long double x, long double y)
|
|
|
815 |
{
|
|
|
816 |
if (sizeof (long double) == sizeof (double))
|
|
|
817 |
return rw_dblcmp (double (x), double (y));
|
|
|
818 |
|
|
|
819 |
#ifdef __ARMCC__
|
|
|
820 |
#pragma diag_suppress 111
|
|
|
821 |
#endif
|
|
|
822 |
if (x == y)
|
|
|
823 |
return 0;
|
|
|
824 |
|
|
|
825 |
|
|
|
826 |
|
|
|
827 |
// FIXME: use integer math as in the functions above
|
|
|
828 |
|
|
|
829 |
const long double diff = x - y;
|
|
|
830 |
|
|
|
831 |
// check absolute error
|
|
|
832 |
if (Abs (diff) < _RWSTD_LDBL_EPSILON)
|
|
|
833 |
return 0;
|
|
|
834 |
|
|
|
835 |
// check relative error
|
|
|
836 |
const long double relerr =
|
|
|
837 |
Abs (x) < Abs (y) ? Abs (diff / y) : Abs (diff / x);
|
|
|
838 |
|
|
|
839 |
if (relerr <= 0.0000001L)
|
|
|
840 |
return 0;
|
|
|
841 |
|
|
|
842 |
return x < y ? -1 : +1;
|
|
|
843 |
}
|
|
|
844 |
|
|
|
845 |
#endif // _RWSTD_NO_LONG_DOUBLE
|
|
|
846 |
|
|
|
847 |
#ifdef __SYMBIAN32__
|
|
|
848 |
_TEST_EXPORT int
|
|
|
849 |
rw_strcmp (std::basic_string<char>& x ,/*std::basic_string<char> */ long double y)
|
|
|
850 |
{
|
|
|
851 |
const char * c= x.c_str();
|
|
|
852 |
|
|
|
853 |
/*if(x.compare(y)==0)
|
|
|
854 |
return 0;
|
|
|
855 |
else
|
|
|
856 |
return x.compare(y)<0?-1:+1; */
|
|
|
857 |
float z=atof(c);
|
|
|
858 |
|
|
|
859 |
if ((long double)z == y)
|
|
|
860 |
return 0;
|
|
|
861 |
|
|
|
862 |
// FIXME: use integer math as in the functions above
|
|
|
863 |
|
|
|
864 |
const long double diff =((long double)z) - y;
|
|
|
865 |
|
|
|
866 |
// check absolute error
|
|
|
867 |
if (Abs (diff) < _RWSTD_LDBL_EPSILON)
|
|
|
868 |
return 0;
|
|
|
869 |
|
|
|
870 |
// check relative error
|
|
|
871 |
const long double relerr =
|
|
|
872 |
Abs ((long double)z) < Abs (y) ? Abs (diff / y) : Abs (diff /(long double)z);
|
|
|
873 |
|
|
|
874 |
if (relerr <= 0.0000001L)
|
|
|
875 |
return 0;
|
|
|
876 |
|
|
|
877 |
return z < y ? -1 : +1;
|
|
|
878 |
|
|
|
879 |
}
|
|
|
880 |
|
|
|
881 |
_TEST_EXPORT int
|
|
|
882 |
rw_strcmp (std::basic_string<wchar_t>& x ,long double y)
|
|
|
883 |
{
|
|
|
884 |
/* if(x.compare(y)==0)
|
|
|
885 |
return 0;
|
|
|
886 |
else
|
|
|
887 |
return x.compare(y)<0?-1:+1; */
|
|
|
888 |
|
|
|
889 |
int len=x.length();
|
|
|
890 |
const wchar_t *w=x.c_str();
|
|
|
891 |
char c[128];
|
|
|
892 |
WCtoC(w,len,c);
|
|
|
893 |
|
|
|
894 |
float z=atof(c);
|
|
|
895 |
|
|
|
896 |
if ((long double)z == y)
|
|
|
897 |
return 0;
|
|
|
898 |
|
|
|
899 |
// FIXME: use integer math as in the functions above
|
|
|
900 |
|
|
|
901 |
const long double diff =((long double)z) - y;
|
|
|
902 |
|
|
|
903 |
// check absolute error
|
|
|
904 |
if (Abs (diff) < _RWSTD_LDBL_EPSILON)
|
|
|
905 |
return 0;
|
|
|
906 |
|
|
|
907 |
// check relative error
|
|
|
908 |
const long double relerr =
|
|
|
909 |
Abs ((long double)z) < Abs (y) ? Abs (diff / y) : Abs (diff /(long double)z);
|
|
|
910 |
|
|
|
911 |
if (relerr <= 0.0000001L)
|
|
|
912 |
return 0;
|
|
|
913 |
|
|
|
914 |
return z < y ? -1 : +1;
|
|
|
915 |
|
|
|
916 |
}
|
|
|
917 |
_TEST_EXPORT
|
|
|
918 |
void WCtoC(const wchar_t *wstr, int len, char* str)
|
|
|
919 |
{
|
|
|
920 |
|
|
|
921 |
int i = 0;
|
|
|
922 |
for (;i<len;i++)
|
|
|
923 |
str[i] = wstr[i];
|
|
|
924 |
|
|
|
925 |
}
|
|
|
926 |
|
|
|
927 |
|
|
|
928 |
#endif
|