mirror of https://github.com/openssl/openssl
359 lines
11 KiB
C
359 lines
11 KiB
C
/*
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* Copyright 2007-2022 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright Siemens AG 2015-2022
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* This demonstrates/tests cases where check-format.pl should report issues.
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* Some of the reports are due to sanity checks for proper nesting of comment
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* delimiters and parenthesis-like symbols, e.g., on unexpected/unclosed braces.
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*/
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/*
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* The '@'s after '*' are used for self-tests: they mark lines containing
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* a single flaw that should be reported. Normally it should be reported
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* while handling the given line, but in case of delayed checks there is a
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* following digit indicating the number of reports expected for this line.
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*/
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/* For each of the following set of lines the tool should complain once */
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/*@ tab character: */
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/*@ intra-line carriage return character:
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*/
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/*@ non-printable ASCII character: */
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/*@ non-ASCII character: ä */
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/*@ whitespace at EOL: */
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// /*@ end-of-line comment style not allowed (for C90 compatibility) */
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/*@0 intra-line comment indent off by 1, reported unless sloppy-cmt */
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/*X */ /*@2 missing spc or '*' after comment start reported unless sloppy-spc */
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/* X*/ /*@ missing space before comment end , reported unless sloppy-spc */
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/*@ comment starting delimiter: /* inside intra-line comment */
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/*@0
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*@ above multi-line comment start indent off by 1, reported unless sloppy-cmt; this comment line is too long
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*@ multi-line comment indent further off by 1 relative to comment start
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*@ multi-line comment ending with text on last line */
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/*@2 multi-line comment starting with text on first line
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*@ comment starting delimiter: /* inside multi-line comment
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*@ multi-line comment indent off by -1
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*X*@ no spc after leading '*' in multi-line comment, reported unless sloppy-spc
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*@0 more than two spaces after . in comment, no more reported
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*@0 more than two spaces after ? in comment, no more reported
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*@0 more than two spaces after ! in comment, no more reported
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*/ /*@ multi-line comment end indent off by -1 (relative to comment start) */
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*/ /*@ unexpected comment ending delimiter outside comment */
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/*- '-' for formatted comment not allowed in intra-line comment */
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/*@ comment line is 4 columns tooooooooooooooooo wide, reported unless sloppy-len */
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/*@ comment line is 5 columns toooooooooooooooooooooooooooooooooooooooooooooo wide */
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#if ~0 /*@ '#if' with constant condition */
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#endif /*@ indent of preproc. directive off by 1 (must be 0) */
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#define X (1 + 1) /*@0 extra space in body, reported unless sloppy-spc */
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#define Y 1 /*@ extra space before body, reported unless sloppy-spc */ \
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#define Z /*@2 preprocessor directive within multi-line directive */
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typedef struct { /*@0 extra space in code, reported unless sloppy-spc */
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enum { /*@1 extra space in intra-line comment, no more reported */
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w = 0 /*@ hanging expr indent off by 1, or 3 for lines after '{' */
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&& 1, /*@ hanging expr indent off by 3, or -1 for leading '&&' */
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x = 1, /*@ hanging expr indent off by -1 */
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y,z /*@ no space after ',', reported unless sloppy-spc */
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} e_member ; /*@ space before ';', reported unless sloppy-spc */
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int v[1; /*@ unclosed bracket in type declaration */
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union { /*@ statement/type declaration indent off by -1 */
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struct{} s; /*@ no space before '{', reported unless sloppy-spc */
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}u_member; /*@ no space after '}', reported unless sloppy-spc */
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} s_type; /*@ statement/type declaration indent off by 4 */
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int* somefunc(); /*@ no space before '*' in type decl, r unless sloppy-spc */
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void main(int n) { /*@ opening brace at end of function definition header */
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for (; ; ) ; /*@ space before ')', reported unless sloppy-spc */
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for ( ; x; y) ; /*@2 space after '(' and before ';', unless sloppy-spc */
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for (;;n++) { /*@ missing space after ';', reported unless sloppy-spc */
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return; /*@0 (1-line) single statement in braces */
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}} /*@2 code after '}' outside expr */
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} /*@ unexpected closing brace (too many '}') outside expr */
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) /*@ unexpected closing paren outside expr */
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#endif /*@ unexpected #endif */
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int f (int a, /*@ space after fn before '(', reported unless sloppy-spc */
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int b, /*@ hanging expr indent off by -1 */
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long I) /*@ single-letter name 'I' */
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{ int x; /*@ code after '{' opening a block */
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int xx = 1) + /*@ unexpected closing parenthesis */
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0L < /*@ constant on LHS of comparison operator */
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a] - /*@ unexpected closing bracket */
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3: * /*@ unexpected ':' (without preceding '?') within expr */
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4}; /*@ unexpected closing brace within expression */
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char y[] = { /*@0 unclosed brace within initializer/enum expression */
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1* 1, /*@ no space etc. before '*', reported unless sloppy-spc */
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2, /*@ hanging expr indent (for lines after '{') off by 1 */
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(xx /*@0 unclosed parenthesis in expression */
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? y /*@0 unclosed '? (conditional expression) */
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[0; /*@4 unclosed bracket in expression */
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/*@ blank line within local decls */
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s_type s; /*@2 local variable declaration indent off by -1 */
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t_type t; /*@ local variable declaration indent again off by -1 */
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/* */ /*@0 missing blank line after local decls */
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somefunc(a, /*@2 statement indent off by -1 */
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"aligned" /*@ expr indent off by -2 accepted if sloppy-hang */ "right"
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, b, /*@ expr indent off by -1 */
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b, /*@ expr indent as on line above, accepted if sloppy-hang */
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b, /*@ expr indent off -8 but @ extra indent accepted if sloppy-hang */
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"again aligned" /*@ expr indent off by -9 (left of stmt indent, */ "right",
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abc == /*@ .. so reported also with sloppy-hang; this line is too long */ 456
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# define MAC(A) (A) /*@ nesting indent of preprocessor directive off by 1 */
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? 1 /*@ hanging expr indent off by 1 */
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: 2); /*@ hanging expr indent off by 2, or 1 for leading ':' */
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if(a /*@ missing space after 'if', reported unless sloppy-spc */
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/*@0 intra-line comment indent off by -1 (not: by 3 due to '&&') */
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&& ! 0 /*@2 space after '!', reported unless sloppy-spc */
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|| b == /*@ hanging expr indent off by 2, or -2 for leading '||' */
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(x<<= 1) + /*@ missing space before '<<=' reported unless sloppy-spc */
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(xx+= 2) + /*@ missing space before '+=', reported unless sloppy-spc */
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(a^ 1) + /*@ missing space before '^', reported unless sloppy-spc */
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(y *=z) + /*@ missing space after '*=' reported unless sloppy-spc */
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a %2 / /*@ missing space after '%', reported unless sloppy-spc */
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1 +/* */ /*@ no space before comment, reported unless sloppy-spc */
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/* */+ /*@ no space after comment, reported unless sloppy-spc */
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s. e_member) /*@ space after '.', reported unless sloppy-spc */
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xx = a + b /*@ extra single-statement indent off by 1 */
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+ 0; /*@ two times extra single-statement indent off by 3 */
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if (a ++) /*@ space before postfix '++', reported unless sloppy-spc */
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{ /*@ {' not on same line as preceding 'if' */
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c; /*@0 single stmt in braces, reported on 1-stmt */
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} else /*@ missing '{' on same line after '} else' */
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{ /*@ statement indent off by 2 */
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d; /*@0 single stmt in braces, reported on 1-stmt */
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} /*@ statement indent off by 6 */
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if (1) f(a, /*@ (non-brace) code after end of 'if' condition */
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b); else /*@ (non-brace) code before 'else' */
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do f(c, c); /*@ (non-brace) code after 'do' */
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while ( 2); /*@ space after '(', reported unless sloppy-spc */
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b; c; /*@ more than one statement per line */
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outer: /*@ outer label special indent off by 1 */
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do{ /*@ missing space before '{', reported unless sloppy-spc */
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inner: /*@ inner label normal indent off by 1 */
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f (3, /*@ space after fn before '(', reported unless sloppy-spc */
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4); /*@0 false negative: should report single stmt in braces */
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} /*@0 'while' not on same line as preceding '}' */
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while (a+ 0); /*@2 missing space before '+', reported unless sloppy-spc */
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switch (b ) { /*@ space before ')', reported unless sloppy-spc */
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case 1: /*@ 'case' special statement indent off by -1 */
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case(2): /*@ missing space after 'case', reported unless sloppy-spc */
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default: ; /*@ code after 'default:' */
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} /*@ statement indent off by -4 */
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return( /*@ missing space after 'return', reported unless sloppy-spc */
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x); } /*@ code before block-level '}' */
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/* Here the tool should stop complaining apart from the below issues at EOF */
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void f_looong_body()
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{
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; /*@ 2 essentially blank lines before, if !sloppy-spc */
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} /*@ function body length > 200 lines */
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#if X /*@0 unclosed #if */
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struct t { /*@0 unclosed brace at decl/block level */
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enum { /*@0 unclosed brace at enum/expression level */
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v = (1 /*@0 unclosed parenthesis */
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etyp /*@0 blank line follows just before EOF, if !sloppy-spc: */
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