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kroeningkroening
committedSep 5, 2023
HTML version of Appendix J.2 of N1570 with status
This adds an HTML table of Appendix J.2 of N1570 with a column "checked" to track the instances of C11 undefined behavior that CBMC can check.
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‎doc/C/c11-undefined-behavior.html

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<html>
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<p>
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This follows appendix J.2 ("Undefined behavior") of <a
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href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf">N1570</a>
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(C11) precisely. All meanings are as in the standard.
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</p>
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<style>
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td { vertical-align: top; }
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th { text-align: left; }
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</style>
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<table style="">
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<tr><th width="50%">C11 J.2</th>
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<th>Checked?</th>
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</tr>
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<tr><td>
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&ndash; A &ldquo;shall&rdquo; or &ldquo;shall not&rdquo; requirement that appears outside of a constraint is violated
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(clause 4).</td>
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<td>no</td>
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</tr>
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<tr><td>
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&ndash; A nonempty source file does not end in a new-line character which is not immediately
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preceded by a backslash character or ends in a partial preprocessing token or
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comment (5.1.1.2).</td>
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<td>no</td>
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</tr>
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<tr><td>
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&ndash; Token concatenation produces a character sequence matching the syntax of a
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universal character name (5.1.1.2).</td>
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<td>no</td>
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</tr>
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<tr><td>
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&ndash; A program in a hosted environment does not define a function named main using one
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of the specified forms (5.1.2.2.1).</td>
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<td>no</td>
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</tr>
44+
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<tr><td>
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&ndash; The execution of a program contains a data race (5.1.2.4).</td>
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<td>no</td>
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</tr>
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<tr><td>
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&ndash; A character not in the basic source character set is encountered in a source file, except
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in an identifier, a character constant, a string literal, a header name, a comment, or a
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preprocessing token that is never converted to a token (5.2.1).</td>
54+
<td>no</td>
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</tr>
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<tr><td>
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&ndash; An identifier, comment, string literal, character constant, or header name contains an
59+
invalid multibyte character or does not begin and end in the initial shift state (5.2.1.2).</td>
60+
<td>no</td>
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</tr>
62+
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<tr><td>
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&ndash; The same identifier has both internal and external linkage in the same translation unit
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(6.2.2).</td>
66+
<td>no</td>
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</tr>
68+
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<tr><td>
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&ndash; An object is referred to outside of its lifetime (6.2.4).</td>
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<td>yes</td>
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</tr>
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<tr><td>
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&ndash; The value of a pointer to an object whose lifetime has ended is used (6.2.4).</td>
76+
<td>no</td>
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</tr>
78+
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<tr><td>
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&ndash; The value of an object with automatic storage duration is used while it is
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indeterminate (6.2.4, 6.7.9, 6.8).</td>
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<td>no</td>
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</tr>
84+
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<tr><td>
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&ndash; A trap representation is read by an lvalue expression that does not have character type
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(6.2.6.1).</td>
88+
<td>no</td>
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</tr>
90+
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<tr><td>
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&ndash; A trap representation is produced by a side effect that modifies any part of the object
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using an lvalue expression that does not have character type (6.2.6.1).</td>
94+
<td>no</td>
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</tr>
96+
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<tr><td>
98+
&ndash; The operands to certain operators are such that they could produce a negative zero
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result, but the implementation does not support negative zeros (6.2.6.2).</td>
100+
<td>no</td>
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</tr>
102+
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<tr><td>
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&ndash; Two declarations of the same object or function specify types that are not compatible
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(6.2.7).</td>
106+
<td>yes</td>
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</tr>
108+
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<tr><td>
110+
&ndash; A program requires the formation of a composite type from a variable length array
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type whose size is specified by an expression that is not evaluated (6.2.7).</td>
112+
<td>no</td>
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</tr>
114+
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<tr><td>
116+
&ndash; Conversion to or from an integer type produces a value outside the range that can be
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represented (6.3.1.4).</td>
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<td>yes</td>
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</tr>
120+
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<tr><td>
122+
&ndash; Demotion of one real floating type to another produces a value outside the range that
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can be represented (6.3.1.5).</td>
124+
<td>no</td>
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</tr>
126+
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<tr><td>
128+
&ndash; An lvalue does not designate an object when evaluated (6.3.2.1).</td>
129+
<td>yes</td>
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</tr>
131+
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<tr><td>
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&ndash; A non-array lvalue with an incomplete type is used in a context that requires the value
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of the designated object (6.3.2.1).</td>
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<td>no</td>
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</tr>
137+
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<tr><td>
139+
&ndash; An lvalue designating an object of automatic storage duration that could have been
140+
declared with the register storage class is used in a context that requires the value
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of the designated object, but the object is uninitialized. (6.3.2.1).</td>
142+
<td>no</td>
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</tr>
144+
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<tr><td>
146+
&ndash; An lvalue having array type is converted to a pointer to the initial element of the
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array, and the array object has register storage class (6.3.2.1).</td>
148+
<td>no</td>
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</tr>
150+
151+
<tr><td>
152+
&ndash; An attempt is made to use the value of a void expression, or an implicit or explicit
153+
conversion (except to void) is applied to a void expression (6.3.2.2).</td>
154+
<td>yes</td>
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</tr>
156+
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<tr><td>
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&ndash; Conversion of a pointer to an integer type produces a value outside the range that can
159+
be represented (6.3.2.3).</td>
160+
<td>no</td>
161+
</tr>
162+
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<tr><td>
164+
&ndash; Conversion between two pointer types produces a result that is incorrectly aligned
165+
(6.3.2.3).</td>
166+
<td>no</td>
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</tr>
168+
169+
<tr><td>
170+
&ndash; A pointer is used to call a function whose type is not compatible with the referenced
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type (6.3.2.3).</td>
172+
<td>no</td>
173+
</tr>
174+
175+
<tr><td>
176+
&ndash; An unmatched ' or " character is encountered on a logical source line during
177+
tokenization (6.4).</td>
178+
<td>yes</td>
179+
</tr>
180+
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<tr><td>
182+
&ndash; A reserved keyword token is used in translation phase 7 or 8 for some purpose other
183+
than as a keyword (6.4.1).</td>
184+
<td>no</td>
185+
</tr>
186+
187+
<tr><td>
188+
&ndash; A universal character name in an identifier does not designate a character whose
189+
encoding falls into one of the specified ranges (6.4.2.1).</td>
190+
<td>no</td>
191+
</tr>
192+
193+
<tr><td>
194+
&ndash; The initial character of an identifier is a universal character name designating a digit
195+
(6.4.2.1).</td>
196+
<td>no</td>
197+
</tr>
198+
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<tr><td>
200+
&ndash; Two identifiers differ only in nonsignificant characters (6.4.2.1).</td>
201+
<td>no</td>
202+
</tr>
203+
204+
<tr><td>
205+
&ndash; The identifier <code>__func__</code> is explicitly declared (6.4.2.2).</td>
206+
<td>no</td>
207+
</tr>
208+
209+
<tr><td>
210+
&ndash; The program attempts to modify a string literal (6.4.5).</td>
211+
<td>yes</td>
212+
</tr>
213+
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<tr><td>
215+
&ndash; The characters ', \, ", //, or /* occur in the sequence between the &lt; and &gt;
216+
delimiters, or the characters ', \, //, or /* occur in the sequence between the "
217+
delimiters, in a header name preprocessing token (6.4.7).</td>
218+
<td>no</td>
219+
</tr>
220+
221+
<tr><td>
222+
&ndash; A side effect on a scalar object is unsequenced relative to either a different side effect
223+
on the same scalar object or a value computation using the value of the same scalar
224+
object (6.5).</td>
225+
<td>no</td>
226+
</tr>
227+
228+
<tr><td>
229+
&ndash; An exceptional condition occurs during the evaluation of an expression (6.5).</td>
230+
<td>yes</td>
231+
</tr>
232+
233+
<tr><td>
234+
&ndash; An object has its stored value accessed other than by an lvalue of an allowable type
235+
(6.5).</td>
236+
<td>no</td>
237+
</tr>
238+
239+
<tr><td>
240+
&ndash; For a call to a function without a function prototype in scope, the number of
241+
arguments does not equal the number of parameters (6.5.2.2).</td>
242+
<td>no</td>
243+
</tr>
244+
245+
<tr><td>
246+
&ndash; For call to a function without a function prototype in scope where the function is
247+
defined with a function prototype, either the prototype ends with an ellipsis or the
248+
types of the arguments after promotion are not compatible with the types of the
249+
parameters (6.5.2.2).</td>
250+
<td>no</td>
251+
</tr>
252+
253+
<tr><td>
254+
&ndash; For a call to a function without a function prototype in scope where the function is not
255+
defined with a function prototype, the types of the arguments after promotion are not
256+
compatible with those of the parameters after promotion (with certain exceptions)
257+
(6.5.2.2).</td>
258+
<td>no</td>
259+
</tr>
260+
261+
<tr><td>
262+
&ndash; A function is defined with a type that is not compatible with the type (of the
263+
expression) pointed to by the expression that denotes the called function (6.5.2.2).</td>
264+
<td>no</td>
265+
</tr>
266+
267+
<tr><td>
268+
&ndash; A member of an atomic structure or union is accessed (6.5.2.3).</td>
269+
<td>no</td>
270+
</tr>
271+
272+
<tr><td>
273+
&ndash; The operand of the unary * operator has an invalid value (6.5.3.2).</td>
274+
<td>yes</td>
275+
</tr>
276+
277+
<tr><td>
278+
&ndash; A pointer is converted to other than an integer or pointer type (6.5.4).</td>
279+
<td>yes</td>
280+
</tr>
281+
282+
<tr><td>
283+
&ndash; The value of the second operand of the / or % operator is zero (6.5.5).</td>
284+
<td>yes</td>
285+
</tr>
286+
287+
<tr><td>
288+
&ndash; Addition or subtraction of a pointer into, or just beyond, an array object and an
289+
integer type produces a result that does not point into, or just beyond, the same array
290+
object (6.5.6).</td>
291+
<td>no</td>
292+
</tr>
293+
294+
<tr><td>
295+
&ndash; Addition or subtraction of a pointer into, or just beyond, an array object and an
296+
integer type produces a result that points just beyond the array object and is used as
297+
the operand of a unary * operator that is evaluated (6.5.6).</td>
298+
<td>yes</td>
299+
</tr>
300+
301+
<tr><td>
302+
&ndash; Pointers that do not point into, or just beyond, the same array object are subtracted
303+
(6.5.6).</td>
304+
<td>yes</td>
305+
</tr>
306+
307+
<tr><td>
308+
&ndash; An array subscript is out of range, even if an object is apparently accessible with the
309+
given subscript (as in the lvalue expression <code>a[1][7]</code> given the declaration
310+
<code int a[4][5]</code>) (6.5.6).</td>
311+
<td>yes</td>
312+
</tr>
313+
314+
<tr><td>
315+
&ndash; The result of subtracting two pointers is not representable in an object of type
316+
<code>ptrdiff_t</code> (6.5.6).</td>
317+
<td>no</td>
318+
</tr>
319+
320+
<tr><td>
321+
&ndash; An expression is shifted by a negative number or by an amount greater than or equal
322+
to the width of the promoted expression (6.5.7).</td>
323+
<td>yes</td>
324+
</tr>
325+
326+
<tr><td>
327+
&ndash; An expression having signed promoted type is left-shifted and either the value of the
328+
expression is negative or the result of shifting would be not be representable in the
329+
promoted type (6.5.7).</td>
330+
<td>yes</td>
331+
</tr>
332+
333+
<tr><td>
334+
&ndash; Pointers that do not point to the same aggregate or union (nor just beyond the same
335+
array object) are compared using relational operators (6.5.8).</td>
336+
<td>yes</td>
337+
</tr>
338+
339+
<tr><td>
340+
&ndash; An object is assigned to an inexactly overlapping object or to an exactly overlapping
341+
object with incompatible type (6.5.16.1).</td>
342+
<td>no</td>
343+
</tr>
344+
345+
<tr><td>
346+
&ndash; An expression that is required to be an integer constant expression does not have an
347+
integer type; has operands that are not integer constants, enumeration constants,
348+
character constants, sizeof expressions whose results are integer constants,
349+
<code>_Alignof</code> expressions, or immediately-cast floating constants; or contains casts
350+
(outside operands to sizeof and <code>_Alignof</code> operators) other than conversions of
351+
arithmetic types to integer types (6.6).</td>
352+
<td>yes</td>
353+
</tr>
354+
355+
<tr><td>
356+
&ndash; A constant expression in an initializer is not, or does not evaluate to, one of the
357+
following: an arithmetic constant expression, a null pointer constant, an address
358+
constant, or an address constant for a complete object type plus or minus an integer
359+
constant expression (6.6).</td>
360+
<td>yes</td>
361+
</tr>
362+
363+
<tr><td>
364+
&ndash; An arithmetic constant expression does not have arithmetic type; has operands that
365+
are not integer constants, floating constants, enumeration constants, character
366+
constants, sizeof expressions whose results are integer constants, or <code>_Alignof</code>
367+
expressions; or contains casts (outside operands to sizeof or <code>_Alignof</code> operators)
368+
other than conversions of arithmetic types to arithmetic types (6.6).</td>
369+
<td>yes</td>
370+
</tr>
371+
372+
<tr><td>
373+
&ndash; The value of an object is accessed by an array-subscript
374+
<code>[]</code>, member-access <code>.</code> or <code>-&gt;</code>,
375+
address <code>&amp;</code>, or indirection <code>*</code> operator
376+
or a pointer cast in creating an address constant (6.6).</td>
377+
<td>yes</td>
378+
</tr>
379+
380+
<tr><td>
381+
&ndash; An identifier for an object is declared with no linkage and the type of the object is
382+
incomplete after its declarator, or after its init-declarator if it has an initializer (6.7).</td>
383+
<td>no</td>
384+
</tr>
385+
386+
<tr><td>
387+
&ndash; A function is declared at block scope with an explicit storage-class specifier other
388+
than extern (6.7.1).</td>
389+
<td>no</td>
390+
</tr>
391+
392+
<tr><td>
393+
&ndash; A structure or union is defined without any named members (including those
394+
specified indirectly via anonymous structures and unions) (6.7.2.1).</td>
395+
<td>no</td>
396+
</tr>
397+
398+
<tr><td>
399+
&ndash; An attempt is made to access, or generate a pointer to just past, a flexible array
400+
member of a structure when the referenced object provides no elements for that array
401+
(6.7.2.1).</td>
402+
<td>no</td>
403+
</tr>
404+
405+
<tr><td>
406+
&ndash; When the complete type is needed, an incomplete structure or union type is not
407+
completed in the same scope by another declaration of the tag that defines the content
408+
(6.7.2.3).</td>
409+
<td>no</td>
410+
</tr>
411+
412+
<tr><td>
413+
&ndash; An attempt is made to modify an object defined with a const-qualified type through
414+
use of an lvalue with non-const-qualified type (6.7.3).</td>
415+
<td>yes</td>
416+
</tr>
417+
418+
<tr><td>
419+
&ndash; An attempt is made to refer to an object defined with a volatile-qualified type through
420+
use of an lvalue with non-volatile-qualified type (6.7.3).</td>
421+
<td>no</td>
422+
</tr>
423+
424+
<tr><td>
425+
&ndash; The specification of a function type includes any type qualifiers (6.7.3).</td>
426+
<td>no</td>
427+
</tr>
428+
429+
<tr><td>
430+
&ndash; Two qualified types that are required to be compatible do not have the identically
431+
qualified version of a compatible type (6.7.3).</td>
432+
<td>no</td>
433+
</tr>
434+
435+
<tr><td>
436+
&ndash; An object which has been modified is accessed through a restrict-qualified pointer to
437+
a const-qualified type, or through a restrict-qualified pointer and another pointer that
438+
are not both based on the same object (6.7.3.1).</td>
439+
<td>no</td>
440+
</tr>
441+
442+
<tr><td>
443+
&ndash; A restrict-qualified pointer is assigned a value based on another restricted pointer
444+
whose associated block neither began execution before the block associated with this
445+
pointer, nor ended before the assignment (6.7.3.1).</td>
446+
<td>no</td>
447+
</tr>
448+
449+
<tr><td>
450+
&ndash; A function with external linkage is declared with an inline function specifier, but is
451+
not also defined in the same translation unit (6.7.4).</td>
452+
<td>no</td>
453+
</tr>
454+
455+
<tr><td>
456+
&ndash; A function declared with a <code>_Noreturn</code> function specifier returns to its caller (6.7.4).</td>
457+
<td>no</td>
458+
</tr>
459+
460+
<tr><td>
461+
&ndash; The definition of an object has an alignment specifier and another declaration of that
462+
object has a different alignment specifier (6.7.5).</td>
463+
<td>no</td>
464+
</tr>
465+
466+
<tr><td>
467+
&ndash; Declarations of an object in different translation units have different alignment
468+
specifiers (6.7.5).</td>
469+
<td>no</td>
470+
</tr>
471+
472+
<tr><td>
473+
&ndash; Two pointer types that are required to be compatible are not identically qualified, or
474+
are not pointers to compatible types (6.7.6.1).</td>
475+
<td>no</td>
476+
</tr>
477+
478+
<tr><td>
479+
&ndash; The size expression in an array declaration is not a constant expression and evaluates
480+
at program execution time to a nonpositive value (6.7.6.2).</td>
481+
<td>yes</td>
482+
</tr>
483+
484+
<tr><td>
485+
&ndash; In a context requiring two array types to be compatible, they do not have compatible
486+
element types, or their size specifiers evaluate to unequal values (6.7.6.2).</td>
487+
<td>no</td>
488+
</tr>
489+
490+
<tr><td>
491+
&ndash; A declaration of an array parameter includes the keyword static within the
492+
<code>[</code> and <code>]</code> and the corresponding argument does not provide access to the first element of an
493+
array with at least the specified number of elements (6.7.6.3).</td>
494+
<td>no</td>
495+
</tr>
496+
497+
<tr><td>
498+
&ndash; A storage-class specifier or type qualifier modifies the keyword
499+
<code>void</code> as a function parameter type list (6.7.6.3).</td>
500+
<td>no</td>
501+
</tr>
502+
503+
<tr><td>
504+
&ndash; In a context requiring two function types to be compatible, they do not have
505+
compatible return types, or their parameters disagree in use of the ellipsis terminator
506+
or the number and type of parameters (after default argument promotion, when there
507+
is no parameter type list or when one type is specified by a function definition with an
508+
identifier list) (6.7.6.3).</td>
509+
<td>no</td>
510+
</tr>
511+
512+
<tr><td>
513+
&ndash; The value of an unnamed member of a structure or union is used (6.7.9).</td>
514+
<td>no</td>
515+
</tr>
516+
517+
<tr><td>
518+
&ndash; The initializer for a scalar is neither a single expression nor a single expression
519+
enclosed in braces (6.7.9).</td>
520+
<td>yes</td>
521+
</tr>
522+
523+
<tr><td>
524+
&ndash; The initializer for a structure or union object that has automatic storage duration is
525+
neither an initializer list nor a single expression that has compatible structure or union
526+
type (6.7.9).</td>
527+
<td>yes</td>
528+
</tr>
529+
530+
<tr><td>
531+
&ndash; The initializer for an aggregate or union, other than an array initialized by a string
532+
literal, is not a brace-enclosed list of initializers for its elements or members (6.7.9).</td>
533+
<td>yes</td>
534+
</tr>
535+
536+
<tr><td>
537+
&ndash; An identifier with external linkage is used, but in the program there does not exist
538+
exactly one external definition for the identifier, or the identifier is not used and there
539+
exist multiple external definitions for the identifier (6.9).</td>
540+
<td>no</td>
541+
</tr>
542+
543+
<tr><td>
544+
&ndash; A function definition includes an identifier list, but the types of the parameters are not
545+
declared in a following declaration list (6.9.1).</td>
546+
<td>no</td>
547+
</tr>
548+
549+
<tr><td>
550+
&ndash; An adjusted parameter type in a function definition is not a complete object type
551+
(6.9.1).</td>
552+
<td>no</td>
553+
</tr>
554+
555+
<tr><td>
556+
&ndash; A function that accepts a variable number of arguments is defined without a
557+
parameter type list that ends with the ellipsis notation (6.9.1).</td>
558+
<td>yes</td>
559+
</tr>
560+
561+
<tr><td>
562+
&ndash; The <code>}</code> that terminates a function is reached, and the value of the function call is used
563+
by the caller (6.9.1).</td>
564+
<td>no</td>
565+
</tr>
566+
567+
<tr><td>
568+
&ndash; An identifier for an object with internal linkage and an incomplete type is declared
569+
with a tentative definition (6.9.2).</td>
570+
<td>no</td>
571+
</tr>
572+
573+
<tr><td>
574+
&ndash; The token defined is generated during the expansion of a
575+
<code>#if</code> or <code>#elif</code>
576+
preprocessing directive, or the use of the defined unary operator does not match
577+
one of the two specified forms prior to macro replacement (6.10.1).</td>
578+
<td>no</td>
579+
</tr>
580+
581+
<tr><td>
582+
&ndash; The <code>#include</code> preprocessing directive that results after expansion does not match
583+
one of the two header name forms (6.10.2).</td>
584+
<td>no</td>
585+
</tr>
586+
587+
<tr><td>
588+
&ndash; The character sequence in an <code>#include</code> preprocessing directive does not start with a
589+
letter (6.10.2).</td>
590+
<td>no</td>
591+
</tr>
592+
593+
<tr><td>
594+
&ndash; There are sequences of preprocessing tokens within the list of macro arguments that
595+
would otherwise act as preprocessing directives (6.10.3).</td>
596+
<td>no</td>
597+
</tr>
598+
599+
<tr><td>
600+
&ndash; The result of the preprocessing operator <code>#</code> is not a valid character string literal
601+
(6.10.3.2).</td>
602+
<td>no</td>
603+
</tr>
604+
605+
<tr><td>
606+
&ndash; The result of the preprocessing operator <code>##</code> is not a valid preprocessing token
607+
(6.10.3.3).</td>
608+
<td>no</td>
609+
</tr>
610+
611+
<tr><td>
612+
&ndash; The <code>#line</code> preprocessing directive that results after expansion does not match one of
613+
the two well-defined forms, or its digit sequence specifies zero or a number greater
614+
than 2147483647 (6.10.4).</td>
615+
<td>no</td>
616+
</tr>
617+
618+
<tr><td>
619+
&ndash; A non-STDC <code>#pragma</code> preprocessing directive that is documented as causing
620+
translation failure or some other form of undefined behavior is encountered (6.10.6).</td>
621+
<td>no</td>
622+
</tr>
623+
624+
<tr><td>
625+
&ndash; A <code>#pragma</code> STDC preprocessing directive does not match one of the well-defined
626+
forms (6.10.6).</td>
627+
<td>no</td>
628+
</tr>
629+
630+
<tr><td>
631+
&ndash; The name of a predefined macro, or the identifier defined, is the subject of a
632+
<code>#define</code> or <code>#undef</code> preprocessing directive (6.10.8).</td>
633+
<td>no</td>
634+
</tr>
635+
636+
<tr><td>
637+
&ndash; An attempt is made to copy an object to an overlapping object by use of a library
638+
function, other than as explicitly allowed (e.g., <code>memmove</code>) (clause 7).</td>
639+
<td>yes</td>
640+
</tr>
641+
642+
<tr><td>
643+
&ndash; A file with the same name as one of the standard headers, not provided as part of the
644+
implementation, is placed in any of the standard places that are searched for included
645+
source files (7.1.2).</td>
646+
<td></td>
647+
</tr>
648+
649+
<tr><td>
650+
&ndash; A header is included within an external declaration or definition (7.1.2).</td>
651+
<td>no</td>
652+
</tr>
653+
654+
<tr><td>
655+
&ndash; A function, object, type, or macro that is specified as being declared or defined by
656+
some standard header is used before any header that declares or defines it is included
657+
(7.1.2).</td>
658+
<td>no</td>
659+
</tr>
660+
661+
<tr><td>
662+
&ndash; A standard header is included while a macro is defined with the same name as a
663+
keyword (7.1.2).</td>
664+
<td>no</td>
665+
</tr>
666+
667+
<tr><td>
668+
&ndash; The program attempts to declare a library function itself, rather than via a standard
669+
header, but the declaration does not have external linkage (7.1.2).</td>
670+
<td>no</td>
671+
</tr>
672+
673+
<tr><td>
674+
&ndash; The program declares or defines a reserved identifier, other than as allowed by 7.1.4
675+
(7.1.3).</td>
676+
<td>no</td>
677+
</tr>
678+
679+
<tr><td>
680+
&ndash; The program removes the definition of a macro whose name begins with an
681+
underscore and either an uppercase letter or another underscore (7.1.3).</td>
682+
<td>no</td>
683+
</tr>
684+
685+
<tr><td>
686+
&ndash; An argument to a library function has an invalid value or a type not expected by a
687+
function with variable number of arguments (7.1.4).</td>
688+
<td>no</td>
689+
</tr>
690+
691+
<tr><td>
692+
&ndash; The pointer passed to a library function array parameter does not have a value such
693+
that all address computations and object accesses are valid (7.1.4).</td>
694+
<td>yes</td>
695+
</tr>
696+
697+
<tr><td>
698+
&ndash; The macro definition of assert is suppressed in order to access an actual function
699+
(7.2).</td>
700+
<td>no</td>
701+
</tr>
702+
703+
<tr><td>
704+
&ndash; The argument to the assert macro does not have a scalar type (7.2).</td>
705+
<td>no</td>
706+
</tr>
707+
708+
<tr><td>
709+
&ndash; The <code>CX_LIMITED_RANGE</code>, <code>FENV_ACCESS</code>, or
710+
<code>FP_CONTRACT</code> pragma is used in
711+
any context other than outside all external declarations or preceding all explicit
712+
declarations and statements inside a compound statement (7.3.4, 7.6.1, 7.12.2).</td>
713+
<td>no</td>
714+
</tr>
715+
716+
<tr><td>
717+
&ndash; The value of an argument to a character handling function is neither equal to the value
718+
of EOF nor representable as an unsigned char (7.4).</td>
719+
<td>no</td>
720+
</tr>
721+
722+
<tr><td>
723+
&ndash; A macro definition of errno is suppressed in order to access an actual object, or the
724+
program defines an identifier with the name <code>errno</code> (7.5).</td>
725+
<td>no</td>
726+
</tr>
727+
728+
<tr><td>
729+
&ndash; Part of the program tests floating-point status flags, sets floating-point control modes,
730+
or runs under non-default mode settings, but was translated with the state for the
731+
<code>FENV_ACCESS</code> pragma &ldquo;off&rdquo; (7.6.1).</td>
732+
<td>no</td>
733+
</tr>
734+
735+
<tr><td>
736+
&ndash; The exception-mask argument for one of the functions that provide access to the
737+
floating-point status flags has a nonzero value not obtained by bitwise OR of the
738+
floating-point exception macros (7.6.2).</td>
739+
<td>no</td>
740+
</tr>
741+
742+
<tr><td>
743+
&ndash; The <code>fesetexceptflag</code> function is used to set floating-point status flags that were
744+
not specified in the call to the <code>fegetexceptflag</code> function that provided the value
745+
of the corresponding <code>fexcept_t</code> object (7.6.2.4).</td>
746+
<td>no</td>
747+
</tr>
748+
749+
<tr><td>
750+
&ndash; The argument to <code>fesetenv</code> or <code>feupdateenv</code> is neither an object set by a call to
751+
<code>fegetenv</code> or <code>feholdexcept</code>, nor is it an environment macro (7.6.4.3, 7.6.4.4).</td>
752+
<td>no</td>
753+
</tr>
754+
755+
<tr><td>
756+
&ndash; The value of the result of an integer arithmetic or conversion function cannot be
757+
represented (7.8.2.1, 7.8.2.2, 7.8.2.3, 7.8.2.4, 7.22.6.1, 7.22.6.2, 7.22.1).</td>
758+
<td>yes</td>
759+
</tr>
760+
761+
<tr><td>
762+
&ndash; The program modifies the string pointed to by the value returned by the
763+
<code>setlocale</code> function (7.11.1.1).</td>
764+
<td>no</td>
765+
</tr>
766+
767+
<tr><td>
768+
&ndash; The program modifies the structure pointed to by the value returned by the
769+
<code>localeconv</code> function (7.11.2.1).</td>
770+
<td>no</td>
771+
</tr>
772+
773+
<tr><td>
774+
&ndash; A macro definition of <code>math_errhandling</code> is suppressed or the program defines
775+
an identifier with the name <code>math_errhandling</code> (7.12).</td>
776+
<td>no</td>
777+
</tr>
778+
779+
<tr><td>
780+
&ndash; An argument to a floating-point classification or comparison macro is not of real
781+
floating type (7.12.3, 7.12.14).</td>
782+
<td>no</td>
783+
</tr>
784+
785+
<tr><td>
786+
&ndash; A macro definition of <code>setjmp</code> is suppressed in order to access an actual function, or
787+
the program defines an external identifier with the name <code>setjmp</code> (7.13).</td>
788+
<td>no</td>
789+
</tr>
790+
791+
<tr><td>
792+
&ndash; An invocation of the <code>setjmp</code> macro occurs other than in an allowed context
793+
(7.13.2.1).</td>
794+
<td>no</td>
795+
</tr>
796+
797+
<tr><td>
798+
&ndash; The <code>longjmp</code> function is invoked to restore a nonexistent environment (7.13.2.1).</td>
799+
<td>no</td>
800+
</tr>
801+
802+
<tr><td>
803+
&ndash; After a <code>longjmp</code>, there is an attempt to access the value of an object of automatic
804+
storage duration that does not have volatile-qualified type, local to the function
805+
containing the invocation of the corresponding <code>setjmp</code> macro, that was changed
806+
between the <code>setjmp</code> invocation and <code>longjmp</code> call (7.13.2.1).</td>
807+
<td>no</td>
808+
</tr>
809+
810+
<tr><td>
811+
&ndash; The program specifies an invalid pointer to a signal handler function (7.14.1.1).</td>
812+
<td>no</td>
813+
</tr>
814+
815+
<tr><td>
816+
&ndash; A signal handler returns when the signal corresponded to a computational exception
817+
(7.14.1.1).</td>
818+
<td>no</td>
819+
</tr>
820+
821+
<tr><td>
822+
&ndash; A signal handler called in response to <code>SIGFPE</code>,
823+
<code>SIGILL</code>, <code>SIGSEGV</code>, or any other
824+
implementation-defined value corresponding to a computational exception returns
825+
(7.14.1.1).</td>
826+
<td>no</td>
827+
</tr>
828+
829+
<tr><td>
830+
&ndash; A signal occurs as the result of calling the abort or raise function, and the signal
831+
handler calls the raise function (7.14.1.1).</td>
832+
<td>no</td>
833+
</tr>
834+
835+
<tr><td>
836+
&ndash; A signal occurs other than as the result of calling the abort or raise function, and
837+
the signal handler refers to an object with static or thread storage duration that is not a
838+
lock-free atomic object other than by assigning a value to an object declared as
839+
<code>volatile sig_atomic_t</code>, or calls any function in the standard library other
840+
than the <code>abort</code> function, the <code>_Exit</code> function, the
841+
<code>quick_exit</code> function, or the <code>signal</code> function (for the same
842+
signal number) (7.14.1.1).</td>
843+
<td>no</td>
844+
</tr>
845+
846+
<tr><td>
847+
&ndash; The value of <code>errno</code> is referred to after a signal occurred other than as the result of
848+
calling the abort or raise function and the corresponding signal handler obtained
849+
a <code>SIG_ERR</code> return from a call to the signal function (7.14.1.1).</td>
850+
<td>no</td>
851+
</tr>
852+
853+
<tr><td>
854+
&ndash; A signal is generated by an asynchronous signal handler (7.14.1.1).</td>
855+
<td>no</td>
856+
</tr>
857+
858+
<tr><td>
859+
&ndash; The signal function is used in a multi-threaded program (7.14.1.1).</td>
860+
<td>no</td>
861+
</tr>
862+
863+
<tr><td>
864+
&ndash; A function with a variable number of arguments attempts to access its varying
865+
arguments other than through a properly declared and initialized
866+
<code>va_list</code> object, or before the <code>va_start</code> macro is invoked
867+
(7.16, 7.16.1.1, 7.16.1.4).</td>
868+
<td>no</td>
869+
</tr>
870+
871+
<tr><td>
872+
&ndash; The macro <code>va_arg</code> is invoked using the parameter
873+
<code>ap</code> that was passed to a function
874+
that invoked the macro <code>va_arg</code> with the same parameter (7.16).</td>
875+
<td>no</td>
876+
</tr>
877+
878+
<tr><td>
879+
&ndash; A macro definition of <code>va_start</code>, <code>va_arg</code>,
880+
<code>va_copy</code>, or <code>va_end</code> is suppressed in
881+
order to access an actual function, or the program defines an external identifier with
882+
the name <code>va_copy</code> or <code>va_end</code> (7.16.1).</td>
883+
<td>no</td>
884+
</tr>
885+
886+
<tr><td>
887+
&ndash; The <code>va_start</code> or <code>va_copy</code> macro is invoked without a
888+
corresponding invocation of the <code>va_end</code> macro in the same function, or
889+
vice versa (7.16.1, 7.16.1.2, 7.16.1.3, 7.16.1.4).</td>
890+
<td>no</td>
891+
</tr>
892+
893+
<tr><td>
894+
&ndash; The type parameter to the <code>va_arg</code> macro is not such that a pointer
895+
to an object of that type can be obtained simply by postfixing a
896+
<code>*</code> (7.16.1.1).</td>
897+
<td>no</td>
898+
</tr>
899+
900+
<tr><td>
901+
&ndash; The <code>va_arg</code> macro is invoked when there is no actual next argument, or with a
902+
specified type that is not compatible with the promoted type of the actual next
903+
argument, with certain exceptions (7.16.1.1).</td>
904+
<td>no</td>
905+
</tr>
906+
907+
<tr><td>
908+
&ndash; The <code>va_copy</code> or <code>va_start</code> macro is called to initialize
909+
a <code>va_list</code> that was previously initialized by either macro without an
910+
intervening invocation of the <code>va_end</code> macro for the same
911+
<code>va_list</code> (7.16.1.2, 7.16.1.4).</td>
912+
<td>no</td>
913+
</tr>
914+
915+
<tr><td>
916+
&ndash; The parameter parmN of a <code>va_start</code> macro is declared with the register
917+
storage class, with a function or array type, or with a type that is not compatible with
918+
the type that results after application of the default argument promotions (7.16.1.4).</td>
919+
<td>no</td>
920+
</tr>
921+
922+
<tr><td>
923+
&ndash; The member designator parameter of an <code>offsetof</code> macro is an invalid right
924+
operand of the <code>.</code> operator for the type parameter, or designates a bit-field (7.19).</td>
925+
<td>no</td>
926+
</tr>
927+
928+
<tr><td>
929+
&ndash; The argument in an instance of one of the integer-constant macros is not a decimal,
930+
octal, or hexadecimal constant, or it has a value that exceeds the limits for the
931+
corresponding type (7.20.4).</td>
932+
<td>no</td>
933+
</tr>
934+
935+
<tr><td>
936+
&ndash; A byte input/output function is applied to a wide-oriented stream, or a wide character
937+
input/output function is applied to a byte-oriented stream (7.21.2).</td>
938+
<td>no</td>
939+
</tr>
940+
941+
<tr><td>
942+
&ndash; Use is made of any portion of a file beyond the most recent wide character written to
943+
a wide-oriented stream (7.21.2).</td>
944+
<td>no</td>
945+
</tr>
946+
947+
<tr><td>
948+
&ndash; The value of a pointer to a <code>FILE</code> object is used after the associated file is closed
949+
(7.21.3).</td>
950+
<td>no</td>
951+
</tr>
952+
953+
<tr><td>
954+
&ndash; The stream for the <code>fflush</code> function points to an input stream or to an update stream
955+
in which the most recent operation was input (7.21.5.2).</td>
956+
<td>no</td>
957+
</tr>
958+
959+
<tr><td>
960+
&ndash; The string pointed to by the mode argument in a call to the
961+
<code>fopen</code> function does not
962+
exactly match one of the specified character sequences (7.21.5.3).</td>
963+
<td>mo</td>
964+
</tr>
965+
966+
<tr><td>
967+
&ndash; An output operation on an update stream is followed by an input operation without an
968+
intervening call to the <code>fflush</code> function or a file positioning function, or an input
969+
operation on an update stream is followed by an output operation with an intervening
970+
call to a file positioning function (7.21.5.3).</td>
971+
<td>no</td>
972+
</tr>
973+
974+
<tr><td>
975+
&ndash; An attempt is made to use the contents of the array that was supplied in a call to the
976+
<code>setvbuf</code> function (7.21.5.6).</td>
977+
<td>no</td>
978+
</tr>
979+
980+
<tr><td>
981+
&ndash; There are insufficient arguments for the format in a call to one of the formatted
982+
input/output functions, or an argument does not have an appropriate type (7.21.6.1,
983+
7.21.6.2, 7.29.2.1, 7.29.2.2).</td>
984+
<td>no</td>
985+
</tr>
986+
987+
<tr><td>
988+
&ndash; The format in a call to one of the formatted input/output functions or to the
989+
<code>strftime</code> or <code>wcsftime</code> function is not a valid multibyte character sequence that
990+
begins and ends in its initial shift state (7.21.6.1, 7.21.6.2, 7.27.3.5, 7.29.2.1, 7.29.2.2,
991+
7.29.5.1).</td>
992+
<td>no</td>
993+
</tr>
994+
995+
<tr><td>
996+
&ndash; In a call to one of the formatted output functions, a precision appears with a
997+
conversion specifier other than those described (7.21.6.1, 7.29.2.1).</td>
998+
<td>no</td>
999+
</tr>
1000+
1001+
<tr><td>
1002+
&ndash; A conversion specification for a formatted output function uses an asterisk to denote
1003+
an argument-supplied field width or precision, but the corresponding argument is not
1004+
provided (7.21.6.1, 7.29.2.1).</td>
1005+
<td>no</td>
1006+
</tr>
1007+
1008+
<tr><td>
1009+
&ndash; A conversion specification for a formatted output function uses a
1010+
<code>#</code> or <code>0</code> flag with a
1011+
conversion specifier other than those described (7.21.6.1, 7.29.2.1).</td>
1012+
<td>no</td>
1013+
</tr>
1014+
1015+
<tr><td>
1016+
&ndash; A conversion specification for one of the formatted input/output functions uses a
1017+
length modifier with a conversion specifier other than those described (7.21.6.1,
1018+
7.21.6.2, 7.29.2.1, 7.29.2.2).</td>
1019+
<td>no</td>
1020+
</tr>
1021+
1022+
<tr><td>
1023+
&ndash; An s conversion specifier is encountered by one of the formatted output functions,
1024+
and the argument is missing the null terminator (unless a precision is specified that
1025+
does not require null termination) (7.21.6.1, 7.29.2.1).</td>
1026+
<td>no</td>
1027+
</tr>
1028+
1029+
<tr><td>
1030+
&ndash; An n conversion specification for one of the formatted input/output functions includes
1031+
any flags, an assignment-suppressing character, a field width, or a precision (7.21.6.1,
1032+
7.21.6.2, 7.29.2.1, 7.29.2.2).</td>
1033+
<td>no</td>
1034+
</tr>
1035+
1036+
<tr><td>
1037+
&ndash; A <code>%</code> conversion specifier is encountered by one of the formatted input/output
1038+
functions, but the complete conversion specification is not exactly %% (7.21.6.1,
1039+
7.21.6.2, 7.29.2.1, 7.29.2.2).</td>
1040+
<td>no</td>
1041+
</tr>
1042+
1043+
<tr><td>
1044+
&ndash; An invalid conversion specification is found in the format for one of the formatted
1045+
input/output functions, or the <code>strftime</code> or
1046+
<code>wcsftime</code> function (7.21.6.1, 7.21.6.2,
1047+
7.27.3.5, 7.29.2.1, 7.29.2.2, 7.29.5.1).</td>
1048+
<td>no</td>
1049+
</tr>
1050+
1051+
<tr><td>
1052+
&ndash; The number of characters or wide characters transmitted by a formatted output
1053+
function (or written to an array, or that would have been written to an array) is greater
1054+
than <code>INT_MAX</code> (7.21.6.1, 7.29.2.1).</td>
1055+
<td>no</td>
1056+
</tr>
1057+
1058+
<tr><td>
1059+
&ndash; The number of input items assigned by a formatted input function is greater than
1060+
<code>INT_MAX</code> (7.21.6.2, 7.29.2.2).</td>
1061+
<td>no</td>
1062+
</tr>
1063+
1064+
<tr><td>
1065+
&ndash; The result of a conversion by one of the formatted input functions cannot be
1066+
represented in the corresponding object, or the receiving object does not have an
1067+
appropriate type (7.21.6.2, 7.29.2.2).</td>
1068+
<td>no</td>
1069+
</tr>
1070+
1071+
<tr><td>
1072+
&ndash; A <code>c</code>, <code>s</code>, or <code>[</code> conversion specifier is
1073+
encountered by one of the formatted input functions, and the array pointed to by the
1074+
corresponding argument is not large enough to accept the input sequence (and a null
1075+
terminator if the conversion specifier is <code>s</code> or <code>[</code>)
1076+
(7.21.6.2, 7.29.2.2).</td>
1077+
<td>no</td>
1078+
</tr>
1079+
1080+
<tr><td>
1081+
&ndash; A <code>c</code>, <code>s</code>, or <code>[</code> conversion specifier with an
1082+
<code>l</code> qualifier is encountered by one of the
1083+
formatted input functions, but the input is not a valid multibyte character sequence
1084+
that begins in the initial shift state (7.21.6.2, 7.29.2.2).</td>
1085+
<td>no</td>
1086+
</tr>
1087+
1088+
<tr><td>
1089+
&ndash; The input item for a <code>%p</code> conversion by one of the formatted input
1090+
functions is not a value converted earlier during the same program execution
1091+
(7.21.6.2, 7.29.2.2).</td>
1092+
<td>no</td>
1093+
</tr>
1094+
1095+
<tr><td>
1096+
&ndash; The <code>vfprintf</code>, <code>vfscanf</code>,
1097+
<code>vprintf</code>, <code>vscanf</code>, <code>vsnprintf</code>,
1098+
<code>vsprintf</code>, <code>vsscanf</code>, <code>vfwprintf</code>,
1099+
<code>vfwscanf</code>, <code>vswprintf</code>, <code>vswscanf</code>,
1100+
<code>vwprintf</code>, or <code>vwscanf</code> function is called with an
1101+
improperly initialized <code>va_list</code> argument, or
1102+
the argument is used (other than in an invocation of <code>va_end</code>)
1103+
after the function returns (7.21.6.8, 7.21.6.9, 7.21.6.10, 7.21.6.11, 7.21.6.12, 7.21.6.13, 7.21.6.14,
1104+
7.29.2.5, 7.29.2.6, 7.29.2.7, 7.29.2.8, 7.29.2.9, 7.29.2.10).</td>
1105+
<td>no</td>
1106+
</tr>
1107+
1108+
<tr><td>
1109+
&ndash; The contents of the array supplied in a call to the
1110+
<code>fgets</code> or <code>fgetws</code> function are
1111+
used after a read error occurred (7.21.7.2, 7.29.3.2).</td>
1112+
<td>no</td>
1113+
</tr>
1114+
1115+
<tr><td>
1116+
&ndash; The file position indicator for a binary stream is used after a call to the
1117+
<code>ungetc</code> function where its value was zero before the call (7.21.7.10).</td>
1118+
<td>no</td>
1119+
</tr>
1120+
1121+
<tr><td>
1122+
&ndash; The file position indicator for a stream is used after an error occurred during a call to
1123+
the <code>fread</code> or <code>fwrite</code> function (7.21.8.1, 7.21.8.2).</td>
1124+
<td>no</td>
1125+
</tr>
1126+
1127+
<tr><td>
1128+
&ndash; A partial element read by a call to the <code>fread</code> function is used (7.21.8.1).</td>
1129+
<td>no</td>
1130+
</tr>
1131+
1132+
<tr><td>
1133+
&ndash; The <code>fseek</code> function is called for a text stream with a nonzero offset and either the
1134+
offset was not returned by a previous successful call to the
1135+
<code>ftell</code> function on a stream associated with the same file or whence is not
1136+
<code>SEEK_SET</code> (7.21.9.2).</td>
1137+
<td>no</td>
1138+
</tr>
1139+
1140+
<tr><td>
1141+
&ndash; The fsetpos function is called to set a position that was not returned by a previous
1142+
successful call to the <code>fgetpos</code> function on a stream associated with the same file
1143+
(7.21.9.3).</td>
1144+
<td>no</td>
1145+
</tr>
1146+
1147+
<tr><td>
1148+
&ndash; A non-null pointer returned by a call to the <code>calloc</code>,
1149+
<code>malloc</code>, or <code>realloc</code> function
1150+
with a zero requested size is used to access an object (7.22.3).</td>
1151+
<td>no</td>
1152+
</tr>
1153+
1154+
<tr><td>
1155+
&ndash; The value of a pointer that refers to space deallocated by a call to the
1156+
<code>free</code> or <code>realloc</code> function is used (7.22.3).</td>
1157+
<td>yes</td>
1158+
</tr>
1159+
1160+
<tr><td>
1161+
&ndash; The alignment requested of the <code>aligned_alloc</code> function is not valid or not
1162+
supported by the implementation, or the size requested is not an integral multiple of
1163+
the alignment (7.22.3.1).</td>
1164+
<td>no</td>
1165+
</tr>
1166+
1167+
<tr><td>
1168+
&ndash; The pointer argument to the <code>free</code> or
1169+
<code>realloc</code> function does not match a pointer
1170+
earlier returned by a memory management function, or the space has been deallocated
1171+
by a call to <code>free</code> or <code>realloc</code> (7.22.3.3, 7.22.3.5).</td>
1172+
<td>no</td>
1173+
</tr>
1174+
1175+
<tr><td>
1176+
&ndash; The value of the object allocated by the <code>malloc</code> function is used (7.22.3.4).</td>
1177+
<td>no</td>
1178+
</tr>
1179+
1180+
<tr><td>
1181+
&ndash; The value of any bytes in a new object allocated by the
1182+
<code>realloc</code> function beyond
1183+
the size of the old object are used (7.22.3.5).</td>
1184+
<td>no</td>
1185+
</tr>
1186+
1187+
<tr><td>
1188+
&ndash; The program calls the <code>exit</code> or <code>quick_exit</code> function more
1189+
than once, or calls both functions (7.22.4.4, 7.22.4.7).</td>
1190+
<td>no</td>
1191+
</tr>
1192+
1193+
<tr><td>
1194+
&ndash; During the call to a function registered with the
1195+
<code>atexit</code> or <code>at_quick_exit</code> function, a call is made to the
1196+
<code>longjmp</code> function that would terminate the call to the
1197+
registered function (7.22.4.4, 7.22.4.7).</td>
1198+
<td>no</td>
1199+
</tr>
1200+
1201+
<tr><td>
1202+
&ndash; The string set up by the <code>getenv</code> or
1203+
<code>strerror</code> function is modified by the program
1204+
(7.22.4.6, 7.24.6.2).</td>
1205+
<td>no</td>
1206+
</tr>
1207+
1208+
<tr><td>
1209+
&ndash; A signal is raised while the <code>quick_exit</code> function is executing (7.22.4.7).</td>
1210+
<td>no</td>
1211+
</tr>
1212+
1213+
<tr><td>
1214+
&ndash; A command is executed through the system function in a way that is documented as
1215+
causing termination or some other form of undefined behavior (7.22.4.8).</td>
1216+
<td>no</td>
1217+
</tr>
1218+
1219+
<tr><td>
1220+
&ndash; A searching or sorting utility function is called with an invalid pointer argument, even
1221+
if the number of elements is zero (7.22.5).</td>
1222+
<td>no</td>
1223+
</tr>
1224+
1225+
<tr><td>
1226+
&ndash; The comparison function called by a searching or sorting utility function alters the
1227+
contents of the array being searched or sorted, or returns ordering values
1228+
inconsistently (7.22.5).</td>
1229+
<td>no</td>
1230+
</tr>
1231+
1232+
<tr><td>
1233+
&ndash; The array being searched by the <code>bsearch</code> function does not have its
1234+
elements in proper order (7.22.5.1).</td>
1235+
<td>no</td>
1236+
</tr>
1237+
1238+
<tr><td>
1239+
&ndash; The current conversion state is used by a multibyte/wide character conversion
1240+
function after changing the <code>LC_CTYPE</code> category (7.22.7).</td>
1241+
<td>no</td>
1242+
</tr>
1243+
1244+
<tr><td>
1245+
&ndash; A string or wide string utility function is instructed to access an array beyond the end
1246+
of an object (7.24.1, 7.29.4).</td>
1247+
<td>yes</td>
1248+
</tr>
1249+
1250+
<tr><td>
1251+
&ndash; A string or wide string utility function is called with an invalid pointer argument, even
1252+
if the length is zero (7.24.1, 7.29.4).</td>
1253+
<td>yes</td>
1254+
</tr>
1255+
1256+
<tr><td>
1257+
&ndash; The contents of the destination array are used after a call to the
1258+
<code>strxfrm</code>, <code>strftime</code>, <code>wcsxfrm</code>, or
1259+
<code>wcsftime</code> function in which the specified length was
1260+
too small to hold the entire null-terminated result (7.24.4.5, 7.27.3.5, 7.29.4.4.4,
1261+
7.29.5.1).</td>
1262+
<td>no</td>
1263+
</tr>
1264+
1265+
<tr><td>
1266+
&ndash; The first argument in the very first call to the <code>strtok</code> or
1267+
<code>wcstok</code> is a null pointer (7.24.5.8, 7.29.4.5.7).</td>
1268+
<td>no</td>
1269+
</tr>
1270+
1271+
<tr><td>
1272+
&ndash; The type of an argument to a type-generic macro is not compatible with the type of
1273+
the corresponding parameter of the selected function (7.25).</td>
1274+
<td>no</td>
1275+
</tr>
1276+
1277+
<tr><td>
1278+
&ndash; A complex argument is supplied for a generic parameter of a type-generic macro that
1279+
has no corresponding complex function (7.25).</td>
1280+
<td>no</td>
1281+
</tr>
1282+
1283+
<tr><td>
1284+
&ndash; At least one member of the broken-down time passed to
1285+
<code>asctime</code> contains a value outside its normal range, or the calculated year
1286+
exceeds four digits or is less than the year 1000 (7.27.3.1).</td>
1287+
<td>no</td>
1288+
</tr>
1289+
1290+
<tr><td>
1291+
&ndash; The argument corresponding to an <code>s</code> specifier without an
1292+
<code>l</code> qualifier in a call to the <code>fwprintf</code> function does
1293+
not point to a valid multibyte character sequence that begins in the initial
1294+
shift state (7.29.2.11).</td>
1295+
<td>no</td>
1296+
</tr>
1297+
1298+
<tr><td>
1299+
&ndash; In a call to the <code>wcstok</code> function, the object pointed to by
1300+
<code>ptr</code> does not have the value stored by the previous call for the
1301+
same wide string (7.29.4.5.7).</td>
1302+
<td>no</td>
1303+
</tr>
1304+
1305+
<tr><td>
1306+
&ndash; An <code>mbstate_t</code> object is used inappropriately (7.29.6).</td>
1307+
<td>no</td>
1308+
</tr>
1309+
1310+
<tr><td>
1311+
&ndash; The value of an argument of type <code>wint_t</code> to a wide character
1312+
classification or case mapping function is neither equal to the value of
1313+
<code>WEOF</code> nor representable as a <code>wchar_t</code> (7.30.1).</td>
1314+
<td>no</td>
1315+
</tr>
1316+
1317+
<tr><td>
1318+
&ndash; The <code>iswctype</code> function is called using a different
1319+
<code>LC_CTYPE</code> category from the one in effect for the call to the
1320+
<code>wctype</code> function that returned the description (7.30.2.2.1).</td>
1321+
<td>no</td>
1322+
</tr>
1323+
1324+
<tr><td>
1325+
&ndash; The <code>towctrans</code> function is called using a different
1326+
<code>LC_CTYPE</code> category from the one in effect for the call to the
1327+
<code>wctrans</code> function that returned the description
1328+
(7.30.3.2.1).</td>
1329+
<td>no</td>
1330+
</tr>
1331+
1332+
</table>
1333+
1334+
</html>

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