本文整理汇总了C++中changeBuffer函数的典型用法代码示例。如果您正苦于以下问题:C++ changeBuffer函数的具体用法?C++ changeBuffer怎么用?C++ changeBuffer使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了changeBuffer函数的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: reserve
unsigned char String::reserve(unsigned int size){
if (buffer && capacity >= size) return 1;
if (changeBuffer(size)) {
if (len == 0) buffer[0] = 0;
return 1;
}
return 0;
}
开发者ID:PCDotFan,项目名称:RasPiArduino,代码行数:8,代码来源:WString.cpp
示例2: while
void String::replace(const String &find, const String &replace)
{
if ( (len == 0) || (find.len == 0) ) {
return;
}
int diff = replace.len - find.len;
char *readFrom = buffer;
char *foundAt;
if ( diff == 0 ) {
while ( ( foundAt = strstr(readFrom, find.buffer) ) != NULL ) {
memcpy(foundAt, replace.buffer, replace.len);
readFrom = foundAt + replace.len;
}
} else if ( diff < 0 ) {
char *writeTo = buffer;
while ( ( foundAt = strstr(readFrom, find.buffer) ) != NULL ) {
unsigned int n = foundAt - readFrom;
memcpy(writeTo, readFrom, n);
writeTo += n;
memcpy(writeTo, replace.buffer, replace.len);
writeTo += replace.len;
readFrom = foundAt + find.len;
len += diff;
}
strcpy(writeTo, readFrom);
} else {
unsigned int size = len; // compute size needed for result
while ( ( foundAt = strstr(readFrom, find.buffer) ) != NULL ) {
readFrom = foundAt + find.len;
size += diff;
}
if ( size == len ) {
return;
}
if ( (size > capacity) && !changeBuffer(size) ) {
return; // XXX: tell user!
}
int index = len - 1;
while ( index >= 0 && ( index = lastIndexOf(find, index) ) >= 0 ) {
readFrom = buffer + index + find.len;
memmove( readFrom + diff, readFrom, len - (readFrom - buffer) );
len += diff;
buffer[len] = 0;
memcpy(buffer + index, replace.buffer, replace.len);
index--;
}
}
}
开发者ID:acristoffers,项目名称:CMake-AVR,代码行数:48,代码来源:WString.cpp
示例3: memcpy
void ExternalInputSource::reallocateBuffer(size_t newSize)
{
Char *newBuf = new Char[newSize];
memcpy(newBuf, buf_, bufSize_*sizeof(Char));
bufSize_ = newSize;
changeBuffer(newBuf, buf_);
bufLim_ = newBuf + (bufLim_ - buf_);
if (nLeftOver_ > 0) {
char *s = (char *)(newBuf + bufSize_) - nLeftOver_;
memmove(s,
newBuf + (leftOver_ - (char *)buf_),
nLeftOver_);
leftOver_ = s;
}
delete [] buf_;
buf_ = newBuf;
}
开发者ID:juddy,项目名称:edcde,代码行数:18,代码来源:ExtendEntityManager.C
注:本文中的changeBuffer函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
请发表评论