Function Failure Errors

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CodeGuard reports function calls that fail, as indicated by their return value.

In the following example, the close function is given an invalid file handle, which causes it to return a value indicating that it was unable to close a file.

Error 00009. 0x820000 (r) (Thread 0xFFF840F1):
Function failure:
close(0x80868086 [-2138668922])=0xFFFFFFFF [-1]
| lang.cpp line 125:
|    // uninitialized data usage //
|    //--------------------------//
|>   close(m->handle);
|
|
Call Tree:
   0x00401236(=LANG.EXE:0x01:000236) lang.cpp#125
   0x00407EED(=LANG.EXE:0x01:006EED)