Extended std.cfg
This commit is contained in:
Martin Ettl
Daniel Marjamäki
parent
5c88934431
commit
fe1b46c174
20
cfg/std.cfg
20
cfg/std.cfg
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@ -15,9 +15,19 @@
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<alloc init="true">fopen</alloc>
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</resource>
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<function name="fopen"> <noreturn>false</noreturn> </function>
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<function name="fclose"> <noreturn>false</noreturn> </function>
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<function name="fflush"> <noreturn>false</noreturn> <leak-ignore/> </function>
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<function name="fopen"> <noreturn>false</noreturn> <arg nr="1"><not-null/><not-uninit/></arg><arg nr="2"><not-null/><not-uninit/></arg></function>
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<function name="fclose"> <noreturn>false</noreturn> <arg nr="1"><not-null/><not-uninit/></arg></function>
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<function name="fflush"> <noreturn>false</noreturn> <leak-ignore/> <arg nr="1"><not-uninit/></arg></function>
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<function name="fgetc"> <noreturn>false</noreturn> <leak-ignore/> <arg nr="1"><not-null/><not-uninit/></arg></function>
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<function name="fgetpos"> <noreturn>false</noreturn> <leak-ignore/> <arg nr="1"><not-null/><not-uninit/></arg><arg nr="2"><not-null/><not-uninit/></arg></function>
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<function name="fgets">
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<noreturn>false</noreturn>
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<leak-ignore/>
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<arg nr="1"><not-null/></arg>
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<arg nr="2"><not-uninit/><not-bool/><valid>0-</valid></arg>
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<arg nr="3"><not-null/><not-uninit/></arg>
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</function>
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<function name="fsetpos"> <noreturn>false</noreturn> <leak-ignore/> <arg nr="1"><not-null/><not-uninit/></arg><arg nr="2"><not-null/><not-uninit/></arg></function>
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<function name="isalnum"> <noreturn>false</noreturn> <leak-ignore/> <arg nr="1"><valid>0-255</valid></arg> </function>
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<function name="isalpha"> <noreturn>false</noreturn> <leak-ignore/> <arg nr="1"><valid>0-255</valid></arg> </function>
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@ -64,6 +74,10 @@
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<function name="wcstoul"> <leak-ignore/> <arg nr="3"><valid>0,2-36</valid></arg> </function>
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<function name="wcstoull"> <leak-ignore/> <arg nr="3"><valid>0,2-36</valid></arg> </function>
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<function name="clearerr"> <noreturn>false</noreturn> <arg nr="1"><not-null/><not-uninit/></arg></function>
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<function name="feof"> <noreturn>false</noreturn> <arg nr="1"><not-null/><not-uninit/></arg></function>
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<function name="ferror"> <noreturn>false</noreturn> <arg nr="1"><not-null/><not-uninit/></arg></function>
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<function name="printf"> <noreturn>false</noreturn> <formatstr/> <arg nr="1"><formatstr/></arg> <arg nr="any"><not-uninit/></arg> </function>
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<function name="wprintf"> <noreturn>false</noreturn> <formatstr/> <arg nr="1"><formatstr/></arg> </function>
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<function name="sprintf"> <noreturn>false</noreturn> <formatstr/> <arg nr="2"><formatstr/></arg> </function>
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@ -2396,7 +2396,30 @@ private:
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const char errpq[] = "[test.cpp:1] -> [test.cpp:1]: (warning) Possible null pointer dereference: p - otherwise it is redundant to check it against null.\n"
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"[test.cpp:1] -> [test.cpp:1]: (warning) Possible null pointer dereference: q - otherwise it is redundant to check it against null.\n";
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// str..
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check("void f(FILE *p){ clearerr (p);if(!p){}}");
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ASSERT_EQUALS(errp,errout.str());
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check("void f(FILE *p){ feof (p);if(!p){}}");
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ASSERT_EQUALS(errp,errout.str());
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check("void f(FILE *p){ fgetc (p);if(!p){}}");
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ASSERT_EQUALS(errp,errout.str());
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check("void f(FILE *p){ fclose (p);if(!p){}}");
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ASSERT_EQUALS(errp,errout.str());
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check("void f(FILE *p){ ferror (p);if(!p){}}");
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ASSERT_EQUALS(errp,errout.str());
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check("void f(char * p,char * q){ fopen (p,q);if(!p||!q){}}");
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ASSERT_EQUALS(errpq,errout.str());
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check("void f(FILE * p,fpos_t * q){ fgetpos (p,q);if(!p||!q){}}");
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ASSERT_EQUALS(errpq,errout.str());
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check("void f(FILE * p,fpos_t * q){ fsetpos (p,q);if(!p||!q){}}");
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ASSERT_EQUALS(errpq,errout.str());
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check("void f(char * p){ strchr (p,c);if(!p){}}");
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ASSERT_EQUALS(errp,errout.str());
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@ -67,6 +67,9 @@ private:
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TEST_CASE(uninitvar2_malloc); // malloc returns uninitialized data
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TEST_CASE(syntax_error); // Ticket #5073
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// Test that std.cfg is configured correctly
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TEST_CASE(stdcfg);
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}
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void checkUninitVar(const char code[], const char filename[] = "test.cpp") {
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@ -3423,6 +3426,162 @@ private:
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"}", "test.cpp", /*verify=*/true, /*debugwarnings=*/true);
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ASSERT_EQUALS("[test.cpp:6]: (debug) assertion failed '} while ('\n", errout.str());
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}
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// Test that std.cfg is configured correctly
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void stdcfg() {
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// clearerr
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checkUninitVar("void f() {\n"
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" FILE * pFile;\n"
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" clearerr (pFile);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: pFile\n", errout.str());
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checkUninitVar("void f(FILE * pFile) {\n"
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" clearerr (pFile);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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// fclose
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checkUninitVar("void f() {\n"
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" FILE * pFile;\n"
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" fclose (pFile);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: pFile\n", errout.str());
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checkUninitVar("void f(FILE * pFile) {\n"
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" fclose (pFile);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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// fopen
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checkUninitVar("void f() {\n"
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" char * filename;\n"
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" fopen (filename, \"w\");\n"
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"}");
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ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: filename\n", errout.str());
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checkUninitVar("void f() {\n"
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" char * filename;\n"
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" char * mode;\n"
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" fopen (filename, mode);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: filename\n"
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"[test.cpp:4]: (error) Uninitialized variable: mode\n", errout.str());
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checkUninitVar("void f(FILE * name, char *mode) {\n"
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" fopen (name, mode);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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// feof
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checkUninitVar("void f() {\n"
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" FILE * pFile;\n"
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" feof (pFile);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: pFile\n", errout.str());
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checkUninitVar("void f(FILE * pFile) {\n"
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" feof (pFile);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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// ferror
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checkUninitVar("void f() {\n"
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" FILE * pFile;\n"
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" ferror (pFile);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: pFile\n", errout.str());
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checkUninitVar("void f(FILE * pFile) {\n"
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" ferror (pFile);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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// fflush
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checkUninitVar("void f() {\n"
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" FILE * pFile;\n"
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" fflush (pFile);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: pFile\n", errout.str());
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checkUninitVar("void f(FILE * pFile) {\n"
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" fflush (pFile);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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// fgetc
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checkUninitVar("void f() {\n"
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" FILE * pFile;\n"
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" fgetc (pFile);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: pFile\n", errout.str());
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checkUninitVar("void f(FILE * pFile) {\n"
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" fgetc (pFile);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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// fgetpos
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checkUninitVar("void f() {\n"
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" FILE * f;\n"
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" fpos_t * p;\n"
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" fgetpos (f, p);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: f\n"
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"[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
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checkUninitVar("void f(FILE * f) {\n"
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" fpos_t p;"
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" fgetpos (f, &p);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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checkUninitVar("void f(FILE * f, fpos_t *p) {\n"
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" fgetpos (f, p);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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// fsetpos
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checkUninitVar("void f() {\n"
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" FILE * f;\n"
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" fpos_t * p;\n"
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" fsetpos (f, p);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: f\n"
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"[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
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checkUninitVar("void f(FILE * f) {\n"
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" fpos_t *p;"
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" fsetpos (f, p);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:2]: (error) Uninitialized variable: p\n", errout.str());
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checkUninitVar("void f(FILE * f, fpos_t *p) {\n"
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" fsetpos (f, p);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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// fgets
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checkUninitVar("void f(FILE *f) {\n"
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" char *s;\n"
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" int n;\n"
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" fgets (s, n, f);\n"
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"}");
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ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: n\n"
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"[test.cpp:4]: (error) Uninitialized variable: s\n", errout.str());
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checkUninitVar("void f(char * s, int n) {\n"
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" FILE *f;\n"
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" fgets (s, n, f);\n"
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"}");
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TODO_ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: f\n","", errout.str());
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checkUninitVar("void f(char * s, int n, FILE *f) {\n"
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" fgets (s, n, f);\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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}
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};
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REGISTER_TEST(TestUninitVar)
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