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cmRpt.c: _cmVOut() now uses a dynamically allocated buffer on long messages.

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This commit is contained in:
kevin 2013-02-15 16:02:12 -08:00
parent 825a359af2
commit bfcbe9f1fd
1 changed files with 26 additions and 6 deletions
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28
cmRpt.c
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@ -1,6 +1,10 @@
#include "cmPrefix.h" #include "cmPrefix.h"
#include "cmGlobal.h" #include "cmGlobal.h"
#include "cmRpt.h" #include "cmRpt.h"
#include "cmErr.h"
#include "cmCtx.h"
#include "cmMem.h"
#include "cmMallocDebug.h"
cmRpt_t cmRptNull = { NULL, NULL, NULL }; cmRpt_t cmRptNull = { NULL, NULL, NULL };
@ -26,15 +30,31 @@ void _cmOut( cmRptPrintFunc_t printFunc, void* userData, const cmChar_t* text )
void _cmVOut( cmRptPrintFunc_t printFunc, void* userData, const cmChar_t* fmt, va_list vl ) void _cmVOut( cmRptPrintFunc_t printFunc, void* userData, const cmChar_t* fmt, va_list vl )
{ {
unsigned bufN = 511; va_list vl1;
va_copy(vl1,vl);
unsigned n = vsnprintf(NULL,0,fmt,vl1);
va_end(vl1);
unsigned bufN = 511;
cmChar_t buf[bufN+1]; cmChar_t buf[bufN+1];
buf[0]=0; cmChar_t* b = buf;
unsigned bn = bufN;
if( n > bufN )
{
b = cmMemAllocZ(cmChar_t,n+1);
bn = n;
}
b[0]=0;
if( fmt != NULL ) if( fmt != NULL )
if( vsnprintf(buf,bufN,fmt,vl) > bufN ) if( vsnprintf(b,bn,fmt,vl) > bn )
_cmOut(printFunc,userData,"The following error message was truncated because the character buffer in cmRpt::_cmVOut() was too small."); _cmOut(printFunc,userData,"The following error message was truncated because the character buffer in cmRpt::_cmVOut() was too small.");
_cmOut(printFunc,userData,buf); _cmOut(printFunc,userData,b);
if( n > bufN )
cmMemFree(b);
} }
void cmRptSetup( cmRpt_t* rpt, cmRptPrintFunc_t printFunc, cmRptPrintFunc_t errorFunc, void* userPtr ) void cmRptSetup( cmRpt_t* rpt, cmRptPrintFunc_t printFunc, cmRptPrintFunc_t errorFunc, void* userPtr )