错误级别:(error)表示这是一个错误级别的问题,cppcheck还有其他级别,如(warning)、(performance)等。 错误描述:Possible null pointer dereference: myPointer表示cppcheck检测到可能的空指针解引用问题,涉及到的变量名为myPointer。 要解读cppcheck的错误报告,首先需要根据文件名和
[null_pointer.cpp:3]: (error) Null pointer dereference: ptr 检测数组越界 int main() { int array[10]; array[10] = 0; return 0; } 在这段代码中,我们试图访问数组的第11个元素,但数组的大小只有10。这将导致未定义的行为。 我们可以使用Cppcheck来检查这段代码: cppcheck --enable=all array_...
Memory management内存管理 Null pointer dereferences空指针解引用 Out of bounds checking越界检查 Uninitialized variables未初始化的变量 Writing const data写入常量数据 2、Cppcheck安装 Cppcheck也可以从各种包管理器安装;但是,您可能会得到一个过时的版本。为了获取更新版本,可以访问https://github.com/danmar/cppch...
我们可以使用Cppcheck来检查这段代码: cppcheck --enable=all null_pointer.cpp 1. Cppcheck的输出可能类似下面这样: Checking null_pointer.cpp... [null_pointer.cpp:3]: (error) Null pointer dereference: ptr 1. 2. 6.3 检测数组越界 int main() { int array[10]; array[10] = 0; return 0; }...
[libdiscord.c:1289] -> [libdiscord.c:1284]: (warning) Either the condition 'if(guild)' is redundant or there is possible null pointer dereference: guild. DiscordGuild *guild = ag->guild; gchar *match_string = g_match_info_fetch(match, 0); gchar *channel_id = g_match_info_fetch(...
Dereference of possibly null pointer s: *s null.c:1:35: Storage s may become null Finished checking --- 1 code warning found 由于firstChar1和firstChar2都使用了null说明,表示指针s可能是个NULL值. 所以,splint会对s值的使用情况进行检查.因为firstChar2函数中,对s的值进行 了NULL的判断.所以,没有...
cpp/dereferenceBeforeCheck.cpp:6]: (Serious) Null - checking [obj] suggests that it may be null, but it has already been dereferenced at line4.[/usr/TscanCode/samples/cpp/dereferenceifnull.cpp:6]: (Critical) [npSt] is null dereferenced here, as codes at line3make it a null pointer....
省略了风格警告信息。请项目组成员注意。 [apps\cms.c:555] -> [apps\cms.c:565]: (warning) Either the condition 'key_param==NULL' is redundant or there is possible null pointer dereference: key_param. [apps\rehash.c:460]: (portability) Non reentrant function
[/usr/TscanCode/samples/cpp/explicitnulldereference.cpp:7]: (Critical)Dereferencingnullpointer[npSt], [npSt]isassignedwithnullatline3. [/usr/TscanCode/samples/cpp/funcretlengthasindex.cpp:5]: (Serious)Index[length]whichisreturnedform[read]maycauseindexoutofbound. ...
class_X_Y compareBoolExpressionWithInt comparisonError comparisonOfBoolWithInt comparisonOfFuncReturningBoolError ConfigurationNotChecked constStatement copyCtorPointerCopying cstyleCast deallocDealloc deallocuse duplicateBreak duplicateExpression duplInheritedMember eraseDereference exceptRethrowCopy exceptThrowInDestructo...