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VC++撰寫的解析S57海圖數據實例代碼,對建立基于S57海圖顯示與應用系統非常有用。

代碼片段和文件信息
#include?“stdafx.h“
#include?“CplConv.h“
#include?“CplString.h“
static?char?**papszConfigOptions?=?NULL;
/************************************************************************/
/*?????????????????????????????CPLCalloc()??????????????????????????????*/
/************************************************************************/
/**
?*?Safe?version?of?calloc().
?*
?*?This?function?is?like?the?C?library?calloc()?but?raises?a?CE_Fatal
?*?error?with?CPLError()?if?it?fails?to?allocate?the?desired?memory.??It
?*?should?be?used?for?small?memory?allocations?that?are?unlikely?to?fail
?*?and?for?which?the?application?is?unwilling?to?test?for?out?of?memory
?*?conditions.??It?uses?VSICalloc()?to?get?the?memory?so?any?hooking?of
?*?VSICalloc()?will?apply?to?CPLCalloc()?as?well.??CPLFree()?or?VSIFree()
?*?can?be?used?free?memory?allocated?by?CPLCalloc().
?*
?*?@param?nCount?number?of?objects?to?allocate.
?*?@param?nSize?size?(in?bytes)?of?object?to?allocate.
?*?@return?pointer?to?newly?allocated?memory?only?NULL?if?nSize?*?nCount?is
?*?NULL.
?*/
void?*CPLCalloc(?size_t?nCount?size_t?nSize?)
{
????void????????*pReturn;
????if(?nSize?*?nCount?==?0?)
????????return?NULL;
????
????pReturn?=?VSICalloc(?nCount?nSize?);
????if(?pReturn?==?NULL?)
????{
????????CPLError(?CE_Fatal?CPLE_OutOfMemory
??????????????????“CPLCalloc():?Out?of?memory?allocating?%d?bytes.\n“
??????????????????nSize?*?nCount?);
????}
????return?pReturn;
}
/************************************************************************/
/*?????????????????????????????CPLMalloc()??????????????????????????????*/
/************************************************************************/
/**
?*?Safe?version?of?malloc().
?*
?*?This?function?is?like?the?C?library?malloc()?but?raises?a?CE_Fatal
?*?error?with?CPLError()?if?it?fails?to?allocate?the?desired?memory.??It
?*?should?be?used?for?small?memory?allocations?that?are?unlikely?to?fail
?*?and?for?which?the?application?is?unwilling?to?test?for?out?of?memory
?*?conditions.??It?uses?VSIMalloc()?to?get?the?memory?so?any?hooking?of
?*?VSIMalloc()?will?apply?to?CPLMalloc()?as?well.??CPLFree()?or?VSIFree()
?*?can?be?used?free?memory?allocated?by?CPLMalloc().
?*
?*?@param?nSize?size?(in?bytes)?of?memory?block?to?allocate.
?*?@return?pointer?to?newly?allocated?memory?only?NULL?if?nSize?is?zero.
?*/
void?*CPLMalloc(?size_t?nSize?)
{
????void????????*pReturn;
????CPLVerifyConfiguration();
????if(?nSize?==?0?)
????????return?NULL;
????
????pReturn?=?VSIMalloc(?nSize?);
????if(?pReturn?==?NULL?)
????{
????????CPLError(?CE_Fatal?CPLE_OutOfMemory
??????????????????“CPLMalloc():?Out?of?memory?allocating?%d?bytes.\n“
??????????????????nSize?);
????}
????return?pReturn;
}
/************************************************************************/
/*?????????????????????????????CPLRealloc()?????????????????????????????*/
/************************************************************************/
/**
?*?Safe?version?of?realloc().
?*
?*?This?function?i
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????3234??2006-05-21?07:54??Parse_S5744\Parse_S5744\CplConfig.h
?????文件??????39937??2006-05-21?07:50??Parse_S5744\Parse_S5744\CplConv.cpp
?????文件???????5927??2006-05-21?07:59??Parse_S5744\Parse_S5744\CplConv.h
?????文件??????17737??2006-05-21?07:59??Parse_S5744\Parse_S5744\CplError.cpp
?????文件???????2170??2006-05-21?08:51??Parse_S5744\Parse_S5744\CplError.h
?????文件??????10670??2006-05-21?07:54??Parse_S5744\Parse_S5744\CplPort.h
?????文件??????40833??2006-05-21?08:03??Parse_S5744\Parse_S5744\CplString.cpp
?????文件???????3709??2006-05-21?08:04??Parse_S5744\Parse_S5744\CplString.h
?????文件??????????0??2000-11-05?00:44??Parse_S5744\Parse_S5744\CplVsi.cpp
?????文件???????6582??2006-05-21?07:55??Parse_S5744\Parse_S5744\CplVsi.h
?????文件??????11461??2006-05-21?08:08??Parse_S5744\Parse_S5744\CplVsisimple.cpp
?????文件????1006148??2008-01-21?14:27??Parse_S5744\Parse_S5744\data\GB4X0000.000
?????文件??????10963??2006-05-21?08:21??Parse_S5744\Parse_S5744\DDFField.cpp
?????文件??????26737??2006-05-21?08:19??Parse_S5744\Parse_S5744\DDFFieldDefn.cpp
?????文件????????100??2006-05-21?01:54??Parse_S5744\Parse_S5744\DDFFieldDefn.h
?????文件??????23346??2006-05-21?07:59??Parse_S5744\Parse_S5744\DDFModule.cpp
?????文件?????????91??2006-05-21?01:51??Parse_S5744\Parse_S5744\DDFModule.h
?????文件??????71037??2006-05-21?08:19??Parse_S5744\Parse_S5744\DDFRecord.cpp
?????文件??????29040??2006-05-21?08:19??Parse_S5744\Parse_S5744\DDFSubfieldDefn.cpp
?????文件???????2526??2006-05-21?08:27??Parse_S5744\Parse_S5744\DDFUtils.cpp
?????文件??????????0??2000-11-05?00:44??Parse_S5744\Parse_S5744\ff.h
?????文件????????606??2006-05-19?07:42??Parse_S5744\Parse_S5744\FView.cpp
?????文件????????463??2008-02-22?10:19??Parse_S5744\Parse_S5744\FView.h
?????文件???????9721??2006-05-21?10:20??Parse_S5744\Parse_S5744\iso8211.h
?????文件???????2807??2006-05-19?08:52??Parse_S5744\Parse_S5744\MainFrm.cpp
?????文件????????773??2006-05-19?07:13??Parse_S5744\Parse_S5744\MainFrm.h
?????文件????????629??2008-02-21?21:53??Parse_S5744\Parse_S5744\mydebug.h
?????文件??????50836??2008-02-20?11:10??Parse_S5744\Parse_S5744\ParseS57.aps
?????文件???????3063??2006-05-19?07:13??Parse_S5744\Parse_S5744\ParseS57.cpp
?????文件????????477??2006-05-19?07:13??Parse_S5744\Parse_S5744\ParseS57.h
............此處省略7個文件信息
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