| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount,alpha.core -fblocks -analyzer-output=plist -o %t %s |
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| 2 | // RUN: cat %t | %diff_plist %S/Inputs/expected-plists/plist-output-alternate.m.plist - |
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| 3 | |
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| 4 | void test_null_init(void) { |
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| 5 | int *p = 0; |
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| 6 | *p = 0xDEADBEEF; |
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| 7 | } |
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| 8 | |
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| 9 | void test_null_assign(void) { |
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| 10 | int *p; |
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| 11 | p = 0; |
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| 12 | *p = 0xDEADBEEF; |
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| 13 | } |
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| 14 | |
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| 15 | void test_null_assign_transitive(void) { |
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| 16 | int *p; |
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| 17 | p = 0; |
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| 18 | int *q = p; |
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| 19 | *q = 0xDEADBEEF; |
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| 20 | } |
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| 21 | |
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| 22 | void test_null_cond(int *p) { |
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| 23 | if (!p) { |
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| 24 | *p = 0xDEADBEEF; |
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| 25 | } |
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| 26 | } |
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| 27 | |
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| 28 | void test_null_cond_transitive(int *q) { |
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| 29 | if (!q) { |
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| 30 | int *p = q; |
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| 31 | *p = 0xDEADBEEF; |
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| 32 | } |
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| 33 | } |
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| 34 | |
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| 35 | void test_null_field(void) { |
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| 36 | struct s { int *p; } x; |
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| 37 | x.p = 0; |
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| 38 | *(x.p) = 0xDEADBEEF; |
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| 39 | } |
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| 40 | |
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| 41 | // <rdar://problem/8331641> leak reports should not show paths that end with exit() (but ones that don't end with exit()) |
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| 42 | void panic() __attribute__((noreturn)); |
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| 43 | enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2, kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4, kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6, kCFNumberCharType = 7, kCFNumberShortType = 8, kCFNumberIntType = 9, kCFNumberLongType = 10, kCFNumberLongLongType = 11, kCFNumberFloatType = 12, kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14, kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16, kCFNumberMaxType = 16 }; |
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| 44 | typedef const struct __CFAllocator * CFAllocatorRef; |
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| 45 | extern const CFAllocatorRef kCFAllocatorDefault; |
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| 46 | typedef signed long CFIndex; |
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| 47 | typedef CFIndex CFNumberType; |
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| 48 | typedef const struct __CFNumber * CFNumberRef; |
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| 49 | |
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| 50 | extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr); |
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| 51 | |
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| 52 | void rdar8331641(int x) { |
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| 53 | signed z = 1; |
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| 54 | CFNumberRef value = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &z); // expected-warning{{leak}} |
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| 55 | if (x) |
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| 56 | panic(); |
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| 57 | (void) value; |
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| 58 | } |
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| 59 | |
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| 60 | |
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