1 /******************************************************************
3 * Copyright 2014 Samsung Electronics All Rights Reserved.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 ******************************************************************/
20 #include "oic_string.h"
24 #include "oic_malloc.h"
26 #define TAG "OIC_STRING"
27 char *OICStrdup(const char *str)
34 // Allocate memory for original string length and 1 extra byte for '\0'
35 size_t length = strlen(str);
36 char *dup = (char *)OICMalloc(length + 1);
39 memcpy(dup, str, length + 1);
45 void OICStringToLower(char* str)
47 for (int ch = 0; str[ch] != '\0'; ch++)
49 if (str[ch] >= 'A' && str[ch] <= 'Z')
56 char* OICStrcpy(char* dest, size_t destSize, const char* source)
58 return OICStrcpyPartial(dest, destSize, source, destSize == 0 ? 0 : destSize - 1);
61 char* OICStrcat(char* dest, size_t destSize, const char* source)
63 return OICStrcatPartial(dest, destSize, source, destSize == 0 ? 0 : destSize - 1);
67 static size_t min(size_t a, size_t b)
73 char* OICStrcpyPartial(char* dest, size_t destSize, const char* source, size_t sourceLen)
80 if(destSize == 0 || sourceLen == 0)
86 return strncat(dest, source, min(destSize - 1, sourceLen));
89 char* OICStrcatPartial(char* dest, size_t destSize, const char* source, size_t sourceLen)
96 if(destSize == 0 || sourceLen == 0)
101 size_t destLen = strlen(dest);
103 if(destLen >= destSize)
108 return strncat(dest, source, min(destSize - destLen - 1, sourceLen));