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CodeSonar® 9.2p0 CONFIDENTIAL CodeSecure Inc
C and C++

PARSE.MISSING.TS : Missing Type Specifier

Summary

A declaration is required to have a type specifier, but does not.
and
Either the declaration has a storage class specifier, or it is not required to have one.

This includes the following situations.

If one of these declarations is present but your compiler does not require a type specifier, a Nonstandard Implicit Integer warning is issued instead.

If the compiler requires both a type specifier and a storage class specifier in some context where neither are present, a Missing Declaration Specifiers warning is issued instead.

This warning class is derived from a C/C++ parser warning.

Properties

Class Name Missing Type Specifier
Significance style
Mnemonic PARSE.MISSING.TS
Categories
MisraC2025 MisraC2025:8.1 Types shall be explicitly specified
MisraC2023 MisraC2023:8.1 Types shall be explicitly specified
Misra2012 Misra2012:8.1 Types shall be explicitly specified
Misra2004 Misra2004:8.2 Whenever an object or function is declared or defined, its type shall be explicitly stated
CERT-C CERT-C:DCL07-C Include the appropriate type information in function declarators
Availability Available for C and C++.
Enabling Checks for this warning class are enabled by default. However, warning instances of this class that are issued as parser errors (rather than parser warnings) will be discarded when using factory configuration settings. To prevent these instances from being discarded, add the following WARNING_FILTER rule to the project configuration file. 
WARNING_FILTER += allow class="Missing Type Specifier"
To disable checks for this warning class, add the following WARNING_FILTER rule to the project configuration file. 
WARNING_FILTER += discard class="Missing Type Specifier"

Example 

/* PARSE.MISSING.TS.c */

typedef mytype;    /* 'Missing Type Specifier' warning issued here
                    * (If your compiler does not treat this as an error, a 'Nonstandard Implicit Integer' warning is issued instead)
                    */
static s1;         /* 'Missing Type Specifier' warning issued here  (or 'Nonstandard Implicit Integer') */
static int s2;                            /* type specifier and storage class specifier both present */
extern e1;         /* 'Missing Type Specifier' warning issued here  (or 'Nonstandard Implicit Integer') */
extern int e2;                            /*  type specifier and storage class specifier both present */
global1;                                  /* 'Missing Declaration Specifiers' warning issued here
                                           *  - both type specifier and storage class specifier are missing
                                           */

main(int argc, char *argv[]);             /* 'Implicit int on main' warning issued here: special case for main() */

f1(void);                                 /* 'Missing Declaration Specifiers' warning issued here
                                           *  - nondefining declaration; both type specifier and storage class specifier are missing
                                           *  (a different warning is issued in some cases:
                                           *    'Nonstandard Implicit Integer' if your compiler does not treat this as an error,
                                           *    'Missing Type Specifier' if a storage class specifier is not required, for example because you are compiling as C++
                                           *  )
                                           */

static f2(void);   /* 'Missing Type Specifier' warning issued here (or 'Nonstandard Implicit Integer')
                    *  - nondefining declaration; type specifier is missing but storage class is not
                    */

g1(void){          /* 'Missing Type Specifier' warning issued here  (or 'Nonstandard Implicit Integer')
                    * - defining declaration
                    * - return type implicitly int
                    */
    static v1 = 1; /* 'Missing Type Specifier' warning issued here (or 'Nonstandard Implicit Integer')
                    */
    static int v2 = 2;                    /* type explicitly (static) int */
    int v3 = 3;                           /* type explicitly int */
    return v1 + v2 + v3;
}

int h1(const x);   /* 'Missing Type Specifier' warning issued here (or 'Nonstandard Implicit Integer')
                    * - parameter type implicitly (const) int
                    *   (return type is explicit)
                    */
int h2(const int x);                      /* explicit parameter type and explicit return type */

h3(const x);       /* Two warnings issued here:
                    * - one because parameter type implicitly (const) int:
                    *   'Missing Type Specifier' or 'Nonstandard Implicit Integer'
                    * - one because function has no return type specifier or storage class specifier
                    *   'Missing Declaration Specifiers', 'Missing Type Specifier', or 'Nonstandard Implicit Integer'
                    */

static h4 (const x); /* two 'Missing Type Specifier' (or 'Nonstandard Implicit Integer') warnings issued here
                      * - One because return type implicitly int (storage class specifier is present)
                      * - One because parameter type is implicitly const int (storage class specifier is not present)
                      */

#ifdef __cplusplus
#else
int h5(x);                                /* 'Parameter Identifier List Needs Function Definition' warning issued here
                                           * - parameter declaration has neither type specifier nor storage class specifier
                                           * - will typically cause a compiler error when compiled as C++
                                           */
#endif

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

 

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