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- /*
- * Copyright [2021] JD.com, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- const unsigned char internal_tolower_table_[256] = {
- 0x00,
- 0x01,
- 0x02,
- 0x03,
- 0x04,
- 0x05,
- 0x06,
- 0x07,
- 0x08,
- 0x09,
- 0x0A,
- 0x0B,
- 0x0C,
- 0x0D,
- 0x0E,
- 0x0F,
- 0x10,
- 0x11,
- 0x12,
- 0x13,
- 0x14,
- 0x15,
- 0x16,
- 0x17,
- 0x18,
- 0x19,
- 0x1A,
- 0x1B,
- 0x1C,
- 0x1D,
- 0x1E,
- 0x1F,
- 0x20,
- 0x21,
- 0x22,
- 0x23,
- 0x24,
- 0x25,
- 0x26,
- 0x27,
- 0x28,
- 0x29,
- 0x2A,
- 0x2B,
- 0x2C,
- 0x2D,
- 0x2E,
- 0x2F,
- 0x30,
- 0x31,
- 0x32,
- 0x33,
- 0x34,
- 0x35,
- 0x36,
- 0x37,
- 0x38,
- 0x39,
- 0x3A,
- 0x3B,
- 0x3C,
- 0x3D,
- 0x3E,
- 0x3F,
- 0x40,
- 0x61,
- 0x62,
- 0x63,
- 0x64,
- 0x65,
- 0x66,
- 0x67,
- 0x68,
- 0x69,
- 0x6A,
- 0x6B,
- 0x6C,
- 0x6D,
- 0x6E,
- 0x6F,
- 0x70,
- 0x71,
- 0x72,
- 0x73,
- 0x74,
- 0x75,
- 0x76,
- 0x77,
- 0x78,
- 0x79,
- 0x7A,
- 0x5B,
- 0x5C,
- 0x5D,
- 0x5E,
- 0x5F,
- 0x60,
- 0x61,
- 0x62,
- 0x63,
- 0x64,
- 0x65,
- 0x66,
- 0x67,
- 0x68,
- 0x69,
- 0x6A,
- 0x6B,
- 0x6C,
- 0x6D,
- 0x6E,
- 0x6F,
- 0x70,
- 0x71,
- 0x72,
- 0x73,
- 0x74,
- 0x75,
- 0x76,
- 0x77,
- 0x78,
- 0x79,
- 0x7A,
- 0x7B,
- 0x7C,
- 0x7D,
- 0x7E,
- 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,
- };
- #define TOLOWER(x) internal_tolower_table_[x]
- int mystrcmp(const char *s1, const char *s2, int l)
- {
- const unsigned char *p1 = (const unsigned char *)s1;
- const unsigned char *p2 = (const unsigned char *)s2;
- int result = 0;
- if (p1 == p2)
- return 0;
- while (l > 0 && (result = TOLOWER(*p1) - TOLOWER(*p2++)) == 0)
- if (*p1++ == '\0')
- break;
- else
- l--;
- return result;
- }
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