ReadFile no data has been read, I can just read data, compiled using vs2013 vs2015 maturing, don't know why, please teach a great god!

SECURITY_ATTRIBUTES sa;
Sa. NLength=sizeof (SECURITY_ATTRIBUTES);
Sa. The lpSecurityDescriptor=NULL;
Sa. BInheritHandle=TRUE;
if (! The CreatePipe (& amp; G_stdoutPipR, & amp; G_stdoutPipW, & amp; Sa, 0))
{
Printf (" stdout pipe creation failed \ n ");
return;
}
* stdout=* _fdopen (_open_osfhandle ((long) g_stdoutPipW, _O_TEXT), "w");
Setvbuf (_IONBF stdout, NULL, 0);

CodePudding user response:

Set a breakpoint at every step of success?
_open_osfhandle prototype

 int _open_osfhandle (intptr_t osfhandle, int flags) 

Suggest using the

 _open_osfhandle ((intptr_t) XXX 

, long under a 64 - bit system will be truncated