malloc-plist.c revision 5a0917d1367115d5fddfe7551f8634759217b54b 
1// RUN: %clang_cc1 -analyze -analyzer-checker=experimental.unix.Malloc -analyzer-output=plist -o - %s | FileCheck %s
2
3typedef __typeof(sizeof(int)) size_t;
4void *malloc(size_t);
5
6void diagnosticTest(int in) {
7    if (in > 5) {
8        int *p = malloc(12);
9        (*p)++;
10    }
11    in++; // expected-warning {{leak}}
12}
13
14void myArrayAllocation() {
15    int **A;
16    A = malloc(2*sizeof(int*));
17    A[0] = 0;// expected-warning {{leak}}
18}
19
20// CHECK: <?xml version="1.0" encoding="UTF-8"?>
21// CHECK: <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
22// CHECK: <plist version="1.0">
23// CHECK: <dict>
24// CHECK:  <key>files</key>
25// CHECK:  <array>
26// CHECK:  </array>
27// CHECK:  <key>diagnostics</key>
28// CHECK:  <array>
29// CHECK:   <dict>
30// CHECK:    <key>path</key>
31// CHECK:    <array>
32// CHECK:     <dict>
33// CHECK:      <key>kind</key><string>control</string>
34// CHECK:      <key>edges</key>
35// CHECK:       <array>
36// CHECK:        <dict>
37// CHECK:         <key>start</key>
38// CHECK:          <array>
39// CHECK:           <dict>
40// CHECK:            <key>line</key><integer>7</integer>
41// CHECK:            <key>col</key><integer>5</integer>
42// CHECK:            <key>file</key><integer>0</integer>
43// CHECK:           </dict>
44// CHECK:           <dict>
45// CHECK:            <key>line</key><integer>7</integer>
46// CHECK:            <key>col</key><integer>5</integer>
47// CHECK:            <key>file</key><integer>0</integer>
48// CHECK:           </dict>
49// CHECK:          </array>
50// CHECK:         <key>end</key>
51// CHECK:          <array>
52// CHECK:           <dict>
53// CHECK:            <key>line</key><integer>7</integer>
54// CHECK:            <key>col</key><integer>9</integer>
55// CHECK:            <key>file</key><integer>0</integer>
56// CHECK:           </dict>
57// CHECK:           <dict>
58// CHECK:            <key>line</key><integer>7</integer>
59// CHECK:            <key>col</key><integer>9</integer>
60// CHECK:            <key>file</key><integer>0</integer>
61// CHECK:           </dict>
62// CHECK:          </array>
63// CHECK:        </dict>
64// CHECK:       </array>
65// CHECK:     </dict>
66// CHECK:     <dict>
67// CHECK:      <key>kind</key><string>event</string>
68// CHECK:      <key>location</key>
69// CHECK:      <dict>
70// CHECK:       <key>line</key><integer>7</integer>
71// CHECK:       <key>col</key><integer>9</integer>
72// CHECK:       <key>file</key><integer>0</integer>
73// CHECK:      </dict>
74// CHECK:      <key>ranges</key>
75// CHECK:      <array>
76// CHECK:        <array>
77// CHECK:         <dict>
78// CHECK:          <key>line</key><integer>7</integer>
79// CHECK:          <key>col</key><integer>9</integer>
80// CHECK:          <key>file</key><integer>0</integer>
81// CHECK:         </dict>
82// CHECK:         <dict>
83// CHECK:          <key>line</key><integer>7</integer>
84// CHECK:          <key>col</key><integer>14</integer>
85// CHECK:          <key>file</key><integer>0</integer>
86// CHECK:         </dict>
87// CHECK:        </array>
88// CHECK:      </array>
89// CHECK:      <key>extended_message</key>
90// CHECK:      <string>Assuming &apos;in&apos; is &gt; 5</string>
91// CHECK:      <key>message</key>
92// CHECK: <string>Assuming &apos;in&apos; is &gt; 5</string>
93// CHECK:     </dict>
94// CHECK:     <dict>
95// CHECK:      <key>kind</key><string>control</string>
96// CHECK:      <key>edges</key>
97// CHECK:       <array>
98// CHECK:        <dict>
99// CHECK:         <key>start</key>
100// CHECK:          <array>
101// CHECK:           <dict>
102// CHECK:            <key>line</key><integer>7</integer>
103// CHECK:            <key>col</key><integer>9</integer>
104// CHECK:            <key>file</key><integer>0</integer>
105// CHECK:           </dict>
106// CHECK:           <dict>
107// CHECK:            <key>line</key><integer>7</integer>
108// CHECK:            <key>col</key><integer>9</integer>
109// CHECK:            <key>file</key><integer>0</integer>
110// CHECK:           </dict>
111// CHECK:          </array>
112// CHECK:         <key>end</key>
113// CHECK:          <array>
114// CHECK:           <dict>
115// CHECK:            <key>line</key><integer>8</integer>
116// CHECK:            <key>col</key><integer>9</integer>
117// CHECK:            <key>file</key><integer>0</integer>
118// CHECK:           </dict>
119// CHECK:           <dict>
120// CHECK:            <key>line</key><integer>8</integer>
121// CHECK:            <key>col</key><integer>9</integer>
122// CHECK:            <key>file</key><integer>0</integer>
123// CHECK:           </dict>
124// CHECK:          </array>
125// CHECK:        </dict>
126// CHECK:       </array>
127// CHECK:     </dict>
128// CHECK:     <dict>
129// CHECK:      <key>kind</key><string>control</string>
130// CHECK:      <key>edges</key>
131// CHECK:       <array>
132// CHECK:        <dict>
133// CHECK:         <key>start</key>
134// CHECK:          <array>
135// CHECK:           <dict>
136// CHECK:            <key>line</key><integer>8</integer>
137// CHECK:            <key>col</key><integer>9</integer>
138// CHECK:            <key>file</key><integer>0</integer>
139// CHECK:           </dict>
140// CHECK:           <dict>
141// CHECK:            <key>line</key><integer>8</integer>
142// CHECK:            <key>col</key><integer>9</integer>
143// CHECK:            <key>file</key><integer>0</integer>
144// CHECK:           </dict>
145// CHECK:          </array>
146// CHECK:         <key>end</key>
147// CHECK:          <array>
148// CHECK:           <dict>
149// CHECK:            <key>line</key><integer>8</integer>
150// CHECK:            <key>col</key><integer>18</integer>
151// CHECK:            <key>file</key><integer>0</integer>
152// CHECK:           </dict>
153// CHECK:           <dict>
154// CHECK:            <key>line</key><integer>8</integer>
155// CHECK:            <key>col</key><integer>27</integer>
156// CHECK:            <key>file</key><integer>0</integer>
157// CHECK:           </dict>
158// CHECK:          </array>
159// CHECK:        </dict>
160// CHECK:       </array>
161// CHECK:     </dict>
162// CHECK:     <dict>
163// CHECK:      <key>kind</key><string>event</string>
164// CHECK:      <key>location</key>
165// CHECK:      <dict>
166// CHECK:       <key>line</key><integer>8</integer>
167// CHECK:       <key>col</key><integer>18</integer>
168// CHECK:       <key>file</key><integer>0</integer>
169// CHECK:      </dict>
170// CHECK:      <key>ranges</key>
171// CHECK:      <array>
172// CHECK:        <array>
173// CHECK:         <dict>
174// CHECK:          <key>line</key><integer>8</integer>
175// CHECK:          <key>col</key><integer>18</integer>
176// CHECK:          <key>file</key><integer>0</integer>
177// CHECK:         </dict>
178// CHECK:         <dict>
179// CHECK:          <key>line</key><integer>8</integer>
180// CHECK:          <key>col</key><integer>27</integer>
181// CHECK:          <key>file</key><integer>0</integer>
182// CHECK:         </dict>
183// CHECK:        </array>
184// CHECK:      </array>
185// CHECK:      <key>extended_message</key>
186// CHECK:      <string>Memory is allocated here</string>
187// CHECK:      <key>message</key>
188// CHECK: <string>Memory is allocated here</string>
189// CHECK:     </dict>
190// CHECK:     <dict>
191// CHECK:      <key>kind</key><string>control</string>
192// CHECK:      <key>edges</key>
193// CHECK:       <array>
194// CHECK:        <dict>
195// CHECK:         <key>start</key>
196// CHECK:          <array>
197// CHECK:           <dict>
198// CHECK:            <key>line</key><integer>8</integer>
199// CHECK:            <key>col</key><integer>18</integer>
200// CHECK:            <key>file</key><integer>0</integer>
201// CHECK:           </dict>
202// CHECK:           <dict>
203// CHECK:            <key>line</key><integer>8</integer>
204// CHECK:            <key>col</key><integer>27</integer>
205// CHECK:            <key>file</key><integer>0</integer>
206// CHECK:           </dict>
207// CHECK:          </array>
208// CHECK:         <key>end</key>
209// CHECK:          <array>
210// CHECK:           <dict>
211// CHECK:            <key>line</key><integer>11</integer>
212// CHECK:            <key>col</key><integer>5</integer>
213// CHECK:            <key>file</key><integer>0</integer>
214// CHECK:           </dict>
215// CHECK:           <dict>
216// CHECK:            <key>line</key><integer>11</integer>
217// CHECK:            <key>col</key><integer>6</integer>
218// CHECK:            <key>file</key><integer>0</integer>
219// CHECK:           </dict>
220// CHECK:          </array>
221// CHECK:        </dict>
222// CHECK:       </array>
223// CHECK:     </dict>
224// CHECK:     <dict>
225// CHECK:      <key>kind</key><string>event</string>
226// CHECK:      <key>location</key>
227// CHECK:      <dict>
228// CHECK:       <key>line</key><integer>11</integer>
229// CHECK:       <key>col</key><integer>5</integer>
230// CHECK:       <key>file</key><integer>0</integer>
231// CHECK:      </dict>
232// CHECK:      <key>ranges</key>
233// CHECK:      <array>
234// CHECK:        <array>
235// CHECK:         <dict>
236// CHECK:          <key>line</key><integer>11</integer>
237// CHECK:          <key>col</key><integer>5</integer>
238// CHECK:          <key>file</key><integer>0</integer>
239// CHECK:         </dict>
240// CHECK:         <dict>
241// CHECK:          <key>line</key><integer>11</integer>
242// CHECK:          <key>col</key><integer>6</integer>
243// CHECK:          <key>file</key><integer>0</integer>
244// CHECK:         </dict>
245// CHECK:        </array>
246// CHECK:      </array>
247// CHECK:      <key>extended_message</key>
248// CHECK:      <string>Allocated memory never released. Potential memory leak</string>
249// CHECK:      <key>message</key>
250// CHECK: <string>Allocated memory never released. Potential memory leak</string>
251// CHECK:     </dict>
252// CHECK:    </array>
253// CHECK:    <key>description</key><string>Allocated memory never released. Potential memory leak</string>
254// CHECK:    <key>category</key><string>Logic error</string>
255// CHECK:    <key>type</key><string>Memory leak</string>
256// CHECK:   <key>location</key>
257// CHECK:   <dict>
258// CHECK:    <key>line</key><integer>11</integer>
259// CHECK:    <key>col</key><integer>5</integer>
260// CHECK:    <key>file</key><integer>0</integer>
261// CHECK:   </dict>
262// CHECK:   </dict>
263// CHECK:   <dict>
264// CHECK:    <key>path</key>
265// CHECK:    <array>
266// CHECK:     <dict>
267// CHECK:      <key>kind</key><string>control</string>
268// CHECK:      <key>edges</key>
269// CHECK:       <array>
270// CHECK:        <dict>
271// CHECK:         <key>start</key>
272// CHECK:          <array>
273// CHECK:           <dict>
274// CHECK:            <key>line</key><integer>15</integer>
275// CHECK:            <key>col</key><integer>5</integer>
276// CHECK:            <key>file</key><integer>0</integer>
277// CHECK:           </dict>
278// CHECK:           <dict>
279// CHECK:            <key>line</key><integer>15</integer>
280// CHECK:            <key>col</key><integer>5</integer>
281// CHECK:            <key>file</key><integer>0</integer>
282// CHECK:           </dict>
283// CHECK:          </array>
284// CHECK:         <key>end</key>
285// CHECK:          <array>
286// CHECK:           <dict>
287// CHECK:            <key>line</key><integer>16</integer>
288// CHECK:            <key>col</key><integer>5</integer>
289// CHECK:            <key>file</key><integer>0</integer>
290// CHECK:           </dict>
291// CHECK:           <dict>
292// CHECK:            <key>line</key><integer>16</integer>
293// CHECK:            <key>col</key><integer>5</integer>
294// CHECK:            <key>file</key><integer>0</integer>
295// CHECK:           </dict>
296// CHECK:          </array>
297// CHECK:        </dict>
298// CHECK:       </array>
299// CHECK:     </dict>
300// CHECK:     <dict>
301// CHECK:      <key>kind</key><string>control</string>
302// CHECK:      <key>edges</key>
303// CHECK:       <array>
304// CHECK:        <dict>
305// CHECK:         <key>start</key>
306// CHECK:          <array>
307// CHECK:           <dict>
308// CHECK:            <key>line</key><integer>16</integer>
309// CHECK:            <key>col</key><integer>5</integer>
310// CHECK:            <key>file</key><integer>0</integer>
311// CHECK:           </dict>
312// CHECK:           <dict>
313// CHECK:            <key>line</key><integer>16</integer>
314// CHECK:            <key>col</key><integer>5</integer>
315// CHECK:            <key>file</key><integer>0</integer>
316// CHECK:           </dict>
317// CHECK:          </array>
318// CHECK:         <key>end</key>
319// CHECK:          <array>
320// CHECK:           <dict>
321// CHECK:            <key>line</key><integer>16</integer>
322// CHECK:            <key>col</key><integer>9</integer>
323// CHECK:            <key>file</key><integer>0</integer>
324// CHECK:           </dict>
325// CHECK:           <dict>
326// CHECK:            <key>line</key><integer>16</integer>
327// CHECK:            <key>col</key><integer>30</integer>
328// CHECK:            <key>file</key><integer>0</integer>
329// CHECK:           </dict>
330// CHECK:          </array>
331// CHECK:        </dict>
332// CHECK:       </array>
333// CHECK:     </dict>
334// CHECK:     <dict>
335// CHECK:      <key>kind</key><string>event</string>
336// CHECK:      <key>location</key>
337// CHECK:      <dict>
338// CHECK:       <key>line</key><integer>16</integer>
339// CHECK:       <key>col</key><integer>9</integer>
340// CHECK:       <key>file</key><integer>0</integer>
341// CHECK:      </dict>
342// CHECK:      <key>ranges</key>
343// CHECK:      <array>
344// CHECK:        <array>
345// CHECK:         <dict>
346// CHECK:          <key>line</key><integer>16</integer>
347// CHECK:          <key>col</key><integer>9</integer>
348// CHECK:          <key>file</key><integer>0</integer>
349// CHECK:         </dict>
350// CHECK:         <dict>
351// CHECK:          <key>line</key><integer>16</integer>
352// CHECK:          <key>col</key><integer>30</integer>
353// CHECK:          <key>file</key><integer>0</integer>
354// CHECK:         </dict>
355// CHECK:        </array>
356// CHECK:      </array>
357// CHECK:      <key>extended_message</key>
358// CHECK:      <string>Memory is allocated here</string>
359// CHECK:      <key>message</key>
360// CHECK: <string>Memory is allocated here</string>
361// CHECK:     </dict>
362// CHECK:     <dict>
363// CHECK:      <key>kind</key><string>control</string>
364// CHECK:      <key>edges</key>
365// CHECK:       <array>
366// CHECK:        <dict>
367// CHECK:         <key>start</key>
368// CHECK:          <array>
369// CHECK:           <dict>
370// CHECK:            <key>line</key><integer>16</integer>
371// CHECK:            <key>col</key><integer>9</integer>
372// CHECK:            <key>file</key><integer>0</integer>
373// CHECK:           </dict>
374// CHECK:           <dict>
375// CHECK:            <key>line</key><integer>16</integer>
376// CHECK:            <key>col</key><integer>30</integer>
377// CHECK:            <key>file</key><integer>0</integer>
378// CHECK:           </dict>
379// CHECK:          </array>
380// CHECK:         <key>end</key>
381// CHECK:          <array>
382// CHECK:           <dict>
383// CHECK:            <key>line</key><integer>18</integer>
384// CHECK:            <key>col</key><integer>1</integer>
385// CHECK:            <key>file</key><integer>0</integer>
386// CHECK:           </dict>
387// CHECK:           <dict>
388// CHECK:            <key>line</key><integer>18</integer>
389// CHECK:            <key>col</key><integer>1</integer>
390// CHECK:            <key>file</key><integer>0</integer>
391// CHECK:           </dict>
392// CHECK:          </array>
393// CHECK:        </dict>
394// CHECK:       </array>
395// CHECK:     </dict>
396// CHECK:     <dict>
397// CHECK:      <key>kind</key><string>event</string>
398// CHECK:      <key>location</key>
399// CHECK:      <dict>
400// CHECK:       <key>line</key><integer>18</integer>
401// CHECK:       <key>col</key><integer>1</integer>
402// CHECK:       <key>file</key><integer>0</integer>
403// CHECK:      </dict>
404// CHECK:      <key>extended_message</key>
405// CHECK:      <string>Allocated memory never released. Potential memory leak</string>
406// CHECK:      <key>message</key>
407// CHECK: <string>Allocated memory never released. Potential memory leak</string>
408// CHECK:     </dict>
409// CHECK:    </array>
410// CHECK:    <key>description</key><string>Allocated memory never released. Potential memory leak</string>
411// CHECK:    <key>category</key><string>Logic error</string>
412// CHECK:    <key>type</key><string>Memory leak</string>
413// CHECK:   <key>location</key>
414// CHECK:   <dict>
415// CHECK:    <key>line</key><integer>18</integer>
416// CHECK:    <key>col</key><integer>1</integer>
417// CHECK:    <key>file</key><integer>0</integer>
418// CHECK:   </dict>
419// CHECK:   </dict>
420// CHECK:  </array>
421// CHECK: </dict>
422// CHECK: </plist>
423