forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			27 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_analyze_cc1 -analyzer-checker=core,apiModeling.StdCLibraryFunctions,debug.ExprInspection -verify -analyzer-config eagerly-assume=false %s
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| // RUN: %clang_analyze_cc1 -triple i686-unknown-linux -analyzer-checker=core,apiModeling.StdCLibraryFunctions,debug.ExprInspection -verify -analyzer-config eagerly-assume=false %s
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| // RUN: %clang_analyze_cc1 -triple x86_64-unknown-linux -analyzer-checker=core,apiModeling.StdCLibraryFunctions,debug.ExprInspection -verify -analyzer-config eagerly-assume=false %s
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| // RUN: %clang_analyze_cc1 -triple armv7-a15-linux -analyzer-checker=core,apiModeling.StdCLibraryFunctions,debug.ExprInspection -verify -analyzer-config eagerly-assume=false %s
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| // RUN: %clang_analyze_cc1 -triple thumbv7-a15-linux -analyzer-checker=core,apiModeling.StdCLibraryFunctions,debug.ExprInspection -verify -analyzer-config eagerly-assume=false %s
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| 
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| void clang_analyzer_eval(int);
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| 
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| typedef struct FILE FILE;
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| // Unorthodox EOF value.
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| #define EOF (-2)
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| 
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| int getc(FILE *);
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| void test_getc(FILE *fp) {
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| 
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|   int x;
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|   while ((x = getc(fp)) != EOF) {
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|     clang_analyzer_eval(x > 255); // expected-warning{{FALSE}}
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|     clang_analyzer_eval(x >= 0); // expected-warning{{TRUE}}
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|   }
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| 
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|   int y = getc(fp);
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|   if (y < 0) {
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|     clang_analyzer_eval(y == -2); // expected-warning{{TRUE}}
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|   }
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| }
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