walkero
/
cppcheck
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

Fixed #4948 (check printf %l and %ll arguments for long and long long)

This commit is contained in:
Robert Reif 2013-08-10 12:33:55 +02:00 committed by Daniel Marjamäki
parent 64733d9e63
commit 5aa79198e6
2 changed files with 41 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
lib/checkio.cpp
View File

@ -591,36 +591,38 @@ void CheckIO::checkWrongPrintfScanfArguments()
case 'x':
case 'X':
case 'o':
if (varTypeTok && isKnownType(variableInfo, varTypeTok) && !Token::Match(varTypeTok, "bool|short|long|int|char|size_t") && !variableInfo->isPointer() && !variableInfo->isArray()) {
specifier += *i;
invalidPrintfArgTypeError_int(tok, numFormat, specifier);
specifier += *i;
if (varTypeTok && isKnownType(variableInfo, varTypeTok) && !variableInfo->isPointer() && !variableInfo->isArray()) {
if (!Token::Match(varTypeTok, "bool|short|long|int|char|size_t") ||
(specifier[0] == 'l' && (varTypeTok->str() != "long" || (specifier[1] == 'l' && !varTypeTok->isLong())))) {
invalidPrintfArgTypeError_int(tok, numFormat, specifier);
}
} else if (argListTok->type() == Token::eString) {
specifier += *i;
invalidPrintfArgTypeError_int(tok, numFormat, specifier);
}
done = true;
break;
case 'd':
case 'i':
specifier += *i;
if (varTypeTok && isKnownType(variableInfo, varTypeTok) && !variableInfo->isPointer() && !variableInfo->isArray()) {
if ((varTypeTok->isUnsigned() || !Token::Match(varTypeTok, "bool|short|long|int")) && varTypeTok->str() != "char") {
specifier += *i;
if (((varTypeTok->isUnsigned() || !Token::Match(varTypeTok, "bool|short|long|int")) && varTypeTok->str() != "char") ||
(specifier[0] == 'l' && (varTypeTok->str() != "long" || (specifier[1] == 'l' && !varTypeTok->isLong())))) {
invalidPrintfArgTypeError_sint(tok, numFormat, specifier);
}
} else if (argListTok->type() == Token::eString) {
specifier += *i;
invalidPrintfArgTypeError_sint(tok, numFormat, specifier);
}
done = true;
break;
case 'u':
specifier += *i;
if (varTypeTok && isKnownType(variableInfo, varTypeTok) && !variableInfo->isPointer() && !variableInfo->isArray()) {
if ((!varTypeTok->isUnsigned() || !Token::Match(varTypeTok, "char|short|long|int|size_t")) && varTypeTok->str() != "bool") {
specifier += *i;
if (((!varTypeTok->isUnsigned() || !Token::Match(varTypeTok, "char|short|long|int|size_t")) && varTypeTok->str() != "bool") ||
(specifier[0] == 'l' && (varTypeTok->str() != "long" || (specifier[1] == 'l' && !varTypeTok->isLong())))) {
invalidPrintfArgTypeError_uint(tok, numFormat, specifier);
}
} else if (argListTok->type() == Token::eString) {
specifier += *i;
invalidPrintfArgTypeError_uint(tok, numFormat, specifier);
}
done = true;
@ -803,19 +805,29 @@ void CheckIO::invalidPrintfArgTypeError_p(const Token* tok, unsigned int numForm
void CheckIO::invalidPrintfArgTypeError_int(const Token* tok, unsigned int numFormat, const std::string& specifier)
{
std::ostringstream errmsg;
errmsg << "%" << specifier << " in format string (no. " << numFormat << ") requires an integer given in the argument list.";
errmsg << "%" << specifier << " in format string (no. " << numFormat << ") requires a"
<< (specifier[0] != 'l' ? "n" : "")
<< (specifier[0] == 'l' ? " long" : "")
<< (specifier[0] == 'l' && specifier[1] == 'l' ? " long" : "")
<< " integer given in the argument list.";
reportError(tok, Severity::warning, "invalidPrintfArgType_int", errmsg.str());
}
void CheckIO::invalidPrintfArgTypeError_uint(const Token* tok, unsigned int numFormat, const std::string& specifier)
{
std::ostringstream errmsg;
errmsg << "%" << specifier << " in format string (no. " << numFormat << ") requires an unsigned integer given in the argument list.";
errmsg << "%" << specifier << " in format string (no. " << numFormat << ") requires an unsigned "
<< (specifier[0] == 'l' ? "long " : "")
<< (specifier[0] == 'l' && specifier[1] == 'l' ? "long " : "")
<< "integer given in the argument list.";
reportError(tok, Severity::warning, "invalidPrintfArgType_uint", errmsg.str());
}
void CheckIO::invalidPrintfArgTypeError_sint(const Token* tok, unsigned int numFormat, const std::string& specifier)
{
std::ostringstream errmsg;
errmsg << "%" << specifier << " in format string (no. " << numFormat << ") requires a signed integer given in the argument list.";
errmsg << "%" << specifier << " in format string (no. " << numFormat << ") requires a signed "
<< (specifier[0] == 'l' ? "long " : "")
<< (specifier[0] == 'l' && specifier[1] == 'l' ? "long " : "")
<< "integer given in the argument list.";
reportError(tok, Severity::warning, "invalidPrintfArgType_sint", errmsg.str());
}
void CheckIO::invalidPrintfArgTypeError_float(const Token* tok, unsigned int numFormat, const std::string& specifier)

18
test/testio.cpp
View File

@ -769,8 +769,8 @@ private:
"}");
ASSERT_EQUALS("[test.cpp:2]: (warning) %hd in format string (no. 1) requires a signed integer given in the argument list.\n"
"[test.cpp:3]: (warning) %hhd in format string (no. 1) requires a signed integer given in the argument list.\n"
"[test.cpp:4]: (warning) %ld in format string (no. 1) requires a signed integer given in the argument list.\n"
"[test.cpp:5]: (warning) %lld in format string (no. 1) requires a signed integer given in the argument list.\n" , errout.str());
"[test.cpp:4]: (warning) %ld in format string (no. 1) requires a signed long integer given in the argument list.\n"
"[test.cpp:5]: (warning) %lld in format string (no. 1) requires a signed long long integer given in the argument list.\n" , errout.str());
check("void foo(size_t s, ptrdiff_t p) {\n"
" printf(\"%zd\", s);\n"
@ -779,6 +779,20 @@ private:
ASSERT_EQUALS("[test.cpp:2]: (warning) %zd in format string (no. 1) requires a signed integer given in the argument list.\n"
"[test.cpp:3]: (warning) %tu in format string (no. 1) requires an unsigned integer given in the argument list.\n", errout.str());
check("void foo(unsigned int i) {\n"
" printf(\"%ld\", i);\n"
" printf(\"%lld\", i);\n"
" printf(\"%lu\", i);\n"
" printf(\"%llu\", i);\n"
" printf(\"%lx\", i);\n"
" printf(\"%llx\", i);\n"
"}");
ASSERT_EQUALS("[test.cpp:2]: (warning) %ld in format string (no. 1) requires a signed long integer given in the argument list.\n"
"[test.cpp:3]: (warning) %lld in format string (no. 1) requires a signed long long integer given in the argument list.\n"
"[test.cpp:4]: (warning) %lu in format string (no. 1) requires an unsigned long integer given in the argument list.\n"
"[test.cpp:5]: (warning) %llu in format string (no. 1) requires an unsigned long long integer given in the argument list.\n"
"[test.cpp:6]: (warning) %lx in format string (no. 1) requires a long integer given in the argument list.\n"
"[test.cpp:7]: (warning) %llx in format string (no. 1) requires a long long integer given in the argument list.\n", errout.str());
}
void testPosixPrintfScanfParameterPosition() { // #4900 - No support for parameters in format strings