derek.holloway
7502bf64a4
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41 lines
2.7 KiB
C
41 lines
2.7 KiB
C
// RUN: %clang_analyze_cc1 -triple i386-apple-darwin10 -w -Wno-int-conversion -analyzer-checker=osx.NumberObjectConversion %s -verify
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// RUN: %clang_analyze_cc1 -triple i386-apple-darwin10 -w -Wno-int-conversion -analyzer-checker=osx.NumberObjectConversion -analyzer-config osx.NumberObjectConversion:Pedantic=true -DPEDANTIC %s -verify
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#define NULL ((void *)0)
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typedef const struct __CFNumber *CFNumberRef;
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void takes_int(int);
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void bad(CFNumberRef p) {
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#ifdef PEDANTIC
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if (p) {} // expected-warning{{Converting a pointer value of type 'CFNumberRef' to a primitive boolean value; instead, either compare the pointer to NULL or call CFNumberGetValue()}}
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if (!p) {} // expected-warning{{Converting a pointer value of type 'CFNumberRef' to a primitive boolean value; instead, either compare the pointer to NULL or call CFNumberGetValue()}}
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p ? 1 : 2; // expected-warning{{Converting a pointer value of type 'CFNumberRef' to a primitive boolean value; instead, either compare the pointer to NULL or call CFNumberGetValue()}}
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if (p == 0) {} // expected-warning{{Comparing a pointer value of type 'CFNumberRef' to a primitive integer value; instead, either compare the pointer to NULL or compare the result of calling CFNumberGetValue()}}
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#else
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if (p) {} // no-warning
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if (!p) {} // no-warning
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p ? 1 : 2; // no-warning
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if (p == 0) {} // no-warning
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#endif
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if (p > 0) {} // expected-warning{{Comparing a pointer value of type 'CFNumberRef' to a primitive integer value; did you mean to compare the result of calling CFNumberGetValue()?}}
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int x = p; // expected-warning{{Converting a pointer value of type 'CFNumberRef' to a primitive integer value; did you mean to call CFNumberGetValue()?}}
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x = p; // expected-warning{{Converting a pointer value of type 'CFNumberRef' to a primitive integer value; did you mean to call CFNumberGetValue()?}}
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takes_int(p); // expected-warning{{Converting a pointer value of type 'CFNumberRef' to a primitive integer value; did you mean to call CFNumberGetValue()?}}
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takes_int(x); // no-warning
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}
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// Conversion of a pointer to an intptr_t is fine.
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typedef long intptr_t;
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typedef unsigned long uintptr_t;
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typedef long fintptr_t; // Fake, for testing the regex.
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void test_intptr_t(CFNumberRef p) {
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(long)p; // expected-warning{{Converting a pointer value of type 'CFNumberRef' to a primitive integer value; did you mean to call CFNumberGetValue()?}}
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(intptr_t)p; // no-warning
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(unsigned long)p; // expected-warning{{Converting a pointer value of type 'CFNumberRef' to a primitive integer value; did you mean to call CFNumberGetValue()?}}
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(uintptr_t)p; // no-warning
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(fintptr_t)p; // expected-warning{{Converting a pointer value of type 'CFNumberRef' to a primitive integer value; did you mean to call CFNumberGetValue()?}}
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}
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