Coverity REVERSE_INULL - CID 10888

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CID: 10888
Checker: REVERSE_INULL
Category: No category available
CWE definition: http://cwe.mitre.org/data/definitions/476.html
File: /tmp/buildd/compiz-0.9.7.0~bzr3025/src/string/src/string.cpp
Function: compPrintf(const char *, void *)
Code snippet:
 43
 44 CompString compPrintf (const char *format, va_list ap)
 45 {
 46 va_list aq;
CID 10888 - REVERSE_INULL
Dereferencing pointer "format". (The dereference is assumed on the basis of the 'nonnull' parameter attribute.)
 47 unsigned int size = strlen (format) + 1;
 48 int n;
 49 char *str;
 50
CID 10888 - REVERSE_INULL
Dereferencing "format" before a null check.
 51 if (!format)
 52 return CompString ("");