| /* |
| * Copyright (C) 2008-2012 OMRON SOFTWARE Co., Ltd. |
| * |
| * 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. |
| */ |
| |
| #include "nj_lib.h" |
| #include "nj_ext.h" |
| |
| |
| NJ_CHAR *nj_strcpy(NJ_CHAR *dst, NJ_CHAR *src) { |
| |
| NJ_CHAR *ret = dst; |
| |
| |
| while (*src != NJ_CHAR_NUL) { |
| *dst++ = *src++; |
| } |
| *dst = *src; |
| return ret; |
| } |
| |
| NJ_CHAR *nj_strncpy(NJ_CHAR *dst, NJ_CHAR *src, NJ_UINT16 n) { |
| |
| NJ_CHAR *d = dst; |
| |
| |
| while (n != 0) { |
| if (*src == NJ_CHAR_NUL) { |
| while (n != 0) { |
| *d++ = NJ_CHAR_NUL; |
| n--; |
| } |
| break; |
| } else { |
| *d++ = *src++; |
| } |
| n--; |
| } |
| return dst; |
| } |
| |
| NJ_UINT16 nj_strlen(NJ_CHAR *c) { |
| |
| NJ_UINT16 count = 0; |
| |
| |
| while (*c++ != NJ_CHAR_NUL) { |
| count++; |
| } |
| return count; |
| } |
| |
| NJ_INT16 nj_strcmp(NJ_CHAR *s1, NJ_CHAR *s2) { |
| |
| while (*s1 == *s2) { |
| if (*s1 == NJ_CHAR_NUL) { |
| return (0); |
| } |
| s1++; |
| s2++; |
| } |
| return NJ_CHAR_DIFF(s1, s2); |
| } |
| |
| NJ_INT16 nj_strncmp(NJ_CHAR *s1, NJ_CHAR *s2, NJ_UINT16 n) { |
| |
| while (n != 0) { |
| if (*s1 != *s2++) { |
| return NJ_CHAR_DIFF(s1, (s2 - 1)); |
| } |
| if (*s1++ == NJ_CHAR_NUL) { |
| break; |
| } |
| n--; |
| } |
| return (0); |
| } |
| |
| NJ_UINT16 nj_charlen(NJ_CHAR *c) { |
| |
| NJ_UINT16 count = 0; |
| |
| |
| while (*c != NJ_CHAR_NUL) { |
| count++; |
| c += NJ_CHAR_LEN(c); |
| } |
| return count; |
| } |
| |
| NJ_INT16 nj_charncmp(NJ_CHAR *s1, NJ_CHAR *s2, NJ_UINT16 n) { |
| NJ_UINT16 i; |
| |
| |
| while (n != 0) { |
| for (i = NJ_CHAR_LEN(s1); i != 0; i--) { |
| if (*s1 != *s2) { |
| return NJ_CHAR_DIFF(s1, s2); |
| } |
| if (*s1 == NJ_CHAR_NUL) { |
| break; |
| } |
| s1++; |
| s2++; |
| } |
| n--; |
| } |
| return (0); |
| } |
| |
| NJ_CHAR *nj_charncpy(NJ_CHAR *dst, NJ_CHAR *src, NJ_UINT16 n) { |
| |
| NJ_CHAR *d = dst; |
| NJ_UINT16 i; |
| |
| |
| while (n != 0) { |
| for (i = NJ_CHAR_LEN(src); i != 0; i--) { |
| *d = *src; |
| if (*src == NJ_CHAR_NUL) { |
| return dst; |
| } |
| d++; |
| src++; |
| } |
| n--; |
| } |
| *d = NJ_CHAR_NUL; |
| return dst; |
| } |
| |
| NJ_UINT8 *nj_memcpy(NJ_UINT8 *dst, NJ_UINT8 *src, NJ_UINT16 n) { |
| |
| NJ_UINT8 *d = dst; |
| |
| |
| while (n != 0) { |
| *d++ = *src++; |
| n--; |
| } |
| return dst; |
| } |