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V528. It is odd that pointer is compare…
Analyzer Diagnostics
General Analysis (C++)
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General Analysis (Java)
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Diagnosis of 64-bit errors (Viva64, C++)
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Additional information
Contents

V528. It is odd that pointer is compared with the 'zero' value. Probably meant: *ptr != zero.

Nov. 19, 2010

This error occurs in two similar cases.

1) The analyzer found a potential error: a pointer to bool type is compared to false value. It is highly probable that the pointer dereferencing operation is missing. For example:

bool *pState;
...
if (pState != false)
...

The '*' operator is missing in this code. As a result, we compare the pState pointer's value to the null pointer. This is the correct code:

bool *pState;
...
if (*pState != false)
...

2) The analyzer found a potential error: a pointer to the char/wchar_t type is compared to value '\0' or L'\0'. It is highly probable that the pointer dereferencing operation is missing. For example:

char *cp;
...
if (cp != '\0')

This is the correct code:

char *cp;
...
if (*cp != '\0')

This diagnostic is classified as:

You can look at examples of errors detected by the V528 diagnostic.

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