这个源代码有什么问题?
#include <iostream>
#include <ostream>
#include <fstream>
void printTest ( std::ostream * o )
{
*o << "test" << std::endl;
}
int main ( int argc, char * argv[] )
{
std::ostream * o = &std::cout;
char ot[4096];
strcpy ( ot, "test.txt" );
strcat ( ot, ".log" );
static std::ofstream of ( ot );
printTest ( o ); //Print to console OK
o = & of;
printTest ( o ); //Print to file: CodeGuard stops the application with the error log
return 0;
}
我试图在 CBuilder 2010(启用 CodeGuard)下编译这个源代码。CodeGuard 已停止应用程序并显示以下错误日志:
25.12.2011 13:00:57 started a CodeGuard(tm) process: Project3.exe(2244)
Bad parameter in process: Project3.exe(2244) - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/fstream#55
A bad file or pipe stream (0x32AF36D4) has been passed to the function.
0x0040A150 Call to fputc(0x74 ['t'], 0x32AF36D4)
0x004098A5 - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/fstream#55
0x004081BE - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/fstream#246
0x00407E2B - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/streambuf#465
0x004020AD - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/streambuf#151
0x00401434 - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/ostream#683
0x00401276 - File3.cpp#13
Pointer arithmetic underrun in process: Project3.exe(2244) - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/streambuf#207
0x00892501-512, that is at offset 1-512 in heap block 0x00892500 (size 512).
0x0040985E - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/streambuf#207
0x00408127 - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/fstream#237
0x00407E2B - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/streambuf#465
0x004020AD - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/streambuf#151
0x00401434 - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware/ostream#683
0x00401276 - File3.cpp#13
The memory block (0x008922F0) [size: 512 bytes] was allocated with calloc
0x32A9D14F
0x004057B7 - c:\program files\embarcadero\rad studio\7.0\include\dinkumware\xlocale#1289
0x00404DDA - c:\program files\embarcadero\rad studio\7.0\include\dinkumware\xlocale#1261
0x004041F1 - c:\program files\embarcadero\rad studio\7.0\include\dinkumware\xlocale#1268
0x00403395 - c:\program files\embarcadero\rad studio\7.0\include\dinkumware\xlocale#323
0x004022AB - c:\program files\embarcadero\rad studio\7.0\include\../include/dinkumware
谢谢你的帮助。
更新的问题:
不幸的是,这是一个较旧的报告错误: http: //www.borlandtalk.com/is-there-a-bug-in-codeguard--vt112810.html
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