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22 lines
948 B
22 lines
948 B
// This test case crashes if strncasecmp is modeled in StdCLibraryFunctions.
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// Either we fix CStringChecker to handle the call prerequisites in
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// checkPreCall, or we must not evaluate any pure functions in
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// StdCLibraryFunctions that are also handled in CStringChecker.
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// RUN: %clang_analyze_cc1 %s \
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// RUN: -analyzer-checker=core \
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// RUN: -analyzer-checker=apiModeling.StdCLibraryFunctions \
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// RUN: -analyzer-checker=unix.cstring.NullArg \
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// RUN: -analyzer-config apiModeling.StdCLibraryFunctions:ModelPOSIX=true \
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// RUN: -analyzer-checker=alpha.unix.StdCLibraryFunctionArgs \
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// RUN: -triple x86_64-unknown-linux-gnu \
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// RUN: -verify
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typedef __typeof(sizeof(int)) size_t;
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int strncasecmp(const char *s1, const char *s2, size_t n);
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int strncasecmp_null_argument(char *a, size_t n) {
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char *b = 0;
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return strncasecmp(a, b, n); // expected-warning{{Null pointer passed as 2nd argument to string comparison function}}
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}
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