| 1 | /*
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| 2 | * Copyright 2007-2022 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | * Copyright Siemens AG 2015-2022
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| 4 | *
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| 5 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 6 | * this file except in compliance with the License. You can obtain a copy
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| 7 | * in the file LICENSE in the source distribution or at
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| 8 | * https://www.openssl.org/source/license.html
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| 9 | */
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| 10 |
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| 11 | /*
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| 12 | * This demonstrates/tests cases where check-format.pl should report issues.
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| 13 | * Some of the reports are due to sanity checks for proper nesting of comment
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| 14 | * delimiters and parenthesis-like symbols, e.g., on unexpected/unclosed braces.
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| 15 | */
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| 16 |
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| 17 | /*
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| 18 | * The '@'s after '*' are used for self-tests: they mark lines containing
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| 19 | * a single flaw that should be reported. Normally it should be reported
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| 20 | * while handling the given line, but in case of delayed checks there is a
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| 21 | * following digit indicating the number of reports expected for this line.
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| 22 | */
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| 23 |
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| 24 | /* For each of the following set of lines the tool should complain once */
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| 25 | /*@ tab character: */
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| 26 | /*@ intra-line carriage return character:
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| 27 | */
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| 28 | /*@ non-printable ASCII character: */
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| 29 | /*@ non-ASCII character: ä */
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| 30 | /*@ whitespace at EOL: */
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| 31 | // /*@ end-of-line comment style not allowed (for C90 compatibility) */
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| 32 | /*@0 intra-line comment indent off by 1, reported unless sloppy-cmt */
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| 33 | /*X */ /*@2 no space nor '*' after comment start, reported unless sloppy-spc */
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| 34 | /* X*/ /*@ no space before comment end , reported unless sloppy-spc */
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| 35 | /*@ comment starting delimiter: /* inside intra-line comment */
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| 36 | /*@0
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| 37 | *@ above multi-line comment start indent off by 1, reported unless sloppy-cmt; this comment line is too long
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| 38 | *@ multi-line comment indent further off by 1 relative to comment start
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| 39 | *@ multi-line comment ending with text on last line */
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| 40 | /*@2 multi-line comment starting with text on first line
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| 41 | *@ comment starting delimiter: /* inside multi-line comment
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| 42 | *@ multi-line comment indent off by -1
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| 43 | *X*@ no spc after leading '*' in multi-line comment, reported unless sloppy-spc
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| 44 | *@0 more than two spaces after . in comment, reported unless sloppy-spc
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| 45 | *@0 more than two spaces after ? in comment, reported unless sloppy-spc
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| 46 | *@0 more than two spaces after ! in comment, reported unless sloppy-spc
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| 47 | */ /*@ multi-line comment end indent off by -1 (relative to comment start) */
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| 48 | */ /*@ unexpected comment ending delimiter outside comment */
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| 49 | /*@ comment line is 4 columns tooooooooooooooooo wide, reported unless sloppy-len */
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| 50 | /*@ comment line is 5 columns toooooooooooooooooooooooooooooooooooooooooooooo wide */
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| 51 | #define X 1 /*@0 extra space false negative due to coincidence */
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| 52 | #define Y 2 /*@ indent of preprocessor directive off by 1 (must be 0) */
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| 53 | typedef struct { /*@0 extra space in code, reported unless sloppy-spc */
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| 54 | enum { /*@1 extra space in comment, reported unless sloppy-spc */
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| 55 | w = 0 /*@ hanging expr indent off by 1, or 3 for lines after '{' */
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| 56 | && 1, /*@ hanging expr indent off by 3, or -1 for leading '&&' */
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| 57 | x = 1, /*@ hanging expr indent off by -1 */
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| 58 | y,z /*@ no space after ',', reported unless sloppy-spc */
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| 59 | } e_member ; /*@ space before ';', reported unless sloppy-spc */
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| 60 | int v[1; /*@ unclosed bracket in type declaration */
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| 61 | union { /*@ statement/type declaration indent off by -1 */
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| 62 | struct{} s; /*@ no space before '{', reported unless sloppy-spc */
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| 63 | }u_member; /*@ no space after '}', reported unless sloppy-spc */
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| 64 | } s_type; /*@ statement/type declaration indent off by 4 */
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| 65 | int* somefunc(); /*@ no space before '*' in type decl, r unless sloppy-spc */
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| 66 | void main(int n) { /*@ opening brace at end of function definition header */
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| 67 | for (;;n++) { /*@ no space after ';', reported unless sloppy-spc */
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| 68 | return; /*@0 (1-line) single statement in braces */
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| 69 | }} /*@2 code after '}' outside expr */
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| 70 | } /*@ unexpected closing brace (too many '}') outside expr */
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| 71 | ) /*@ unexpected closing paren outside expr */
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| 72 | #endif /*@ unexpected #endif */
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| 73 | int f (int a, /*@ space after fn before '(', reported unless sloppy-spc */
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| 74 | int b, /*@ hanging expr indent off by -1 */
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| 75 | long I) /*@ single-letter name 'I' */
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| 76 | { int x; /*@ code after '{' opening a block */
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| 77 | int xx = 1) + /*@ unexpected closing parenthesis */
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| 78 | 0L < /*@ constant on LHS of comparison operator */
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| 79 | a] - /*@ unexpected closing bracket */
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| 80 | 3: * /*@ unexpected ':' (without preceding '?') within expr */
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| 81 | 4}; /*@ unexpected closing brace within expression */
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| 82 | char y[] = { /*@0 unclosed brace within initializer/enum expression */
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| 83 | 1* 1, /*@ no space etc. before '*', reported unless sloppy-spc */
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| 84 | 2, /*@ hanging expr indent (for lines after '{') off by 1 */
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| 85 | (xx /*@0 unclosed parenthesis in expression */
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| 86 | ? y /*@0 unclosed '? (conditional expression) */
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| 87 | [0; /*@4 unclosed bracket in expression */
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| 88 | /*@ blank line within local decls */
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| 89 | s_type s; /*@2 local variable declaration indent off by -1 */
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| 90 | t_type t; /*@ local variable declaration indent again off by -1 */
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| 91 | /* */ /*@0 missing blank line after local decls */
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| 92 | somefunc(a, /*@2 statement indent off by -1 */
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| 93 | "aligned" /*@ expr indent off by -2 accepted if sloppy-hang */ "right"
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| 94 | , b, /*@ expr indent off by -1 */
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| 95 | b, /*@ expr indent as on line above, accepted if sloppy-hang */
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| 96 | b, /*@ expr indent off -8 but @ extra indent accepted if sloppy-hang */
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| 97 | "again aligned" /*@ expr indent off by -9 (left of stmt indent, */ "right",
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| 98 | abc == /*@ .. so reported also with sloppy-hang; this line is too long */ 456
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| 99 | # define MAC(A) (A) /*@ nesting indent of preprocessor directive off by 1 */
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| 100 | ? 1 /*@ hanging expr indent off by 1 */
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| 101 | : 2); /*@ hanging expr indent off by 2, or 1 for leading ':' */
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| 102 | if(a /*@ no space after 'if', reported unless sloppy-spc */
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| 103 | /*@0 intra-line comment indent off by -1 (not: by 3 due to '&&') */
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| 104 | && ! 0 /*@2 space after '!', reported unless sloppy-spc */
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| 105 | || b == /*@ hanging expr indent off by 2, or -2 for leading '||' */
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| 106 | (xx+= 2) + /*@ no space before '+=', reported unless sloppy-spc */
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| 107 | (a^ 1) + /*@ no space before '^', reported unless sloppy-spc */
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| 108 | a %2 / /*@ no space after '%', reported unless sloppy-spc */
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| 109 | 1 +/* */ /*@ no space before comment, reported unless sloppy-spc */
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| 110 | /* */+ /*@ no space after comment, reported unless sloppy-spc */
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| 111 | s. e_member) /*@ space after '.', reported unless sloppy-spc */
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| 112 | xx = a + b /*@ extra single-statement indent off by 1 */
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| 113 | + 0; /*@ two times extra single-statement indent off by 3 */
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| 114 | if (a ++) /*@ space before postfix '++', reported unless sloppy-spc */
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| 115 | { /*@ {' not on same line as preceding 'if' */
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| 116 | c; /*@0 single stmt in braces, reported on 1-stmt */
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| 117 | } else /*@ no '{' on same line after '} else' */
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| 118 | { /*@ statement indent off by 2 */
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| 119 | d; /*@0 single stmt in braces, reported on 1-stmt */
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| 120 | } /*@ statement indent off by 6 */
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| 121 | if (1) f(a, /*@ (non-brace) code after end of 'if' condition */
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| 122 | b); else /*@ (non-brace) code before 'else' */
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| 123 | do f(c, c); /*@ (non-brace) code after 'do' */
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| 124 | while ( 2); /*@ space after '(', reported unless sloppy-spc */
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| 125 | b; c; /*@ more than one statement per line */
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| 126 | outer: /*@ outer label special indent off by 1 */
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| 127 | do{ /*@ no space before '{', reported unless sloppy-spc */
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| 128 | inner: /*@ inner label normal indent off by 1 */
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| 129 | f (3, /*@ space after fn before '(', reported unless sloppy-spc */
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| 130 | 4); /*@0 false negative: should report single stmt in braces */
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| 131 | } /*@0 'while' not on same line as preceding '}' */
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| 132 | while (a+ 0); /*@2 no space before '+', reported unless sloppy-spc */
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| 133 | switch (b ) { /*@ space before ')', reported unless sloppy-spc */
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| 134 | case 1: /*@ 'case' special statement indent off by -1 */
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| 135 | case(2): /*@ no space after 'case', reported unless sloppy-spc */
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| 136 | default: ; /*@ code after 'default:' */
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| 137 | } /*@ statement indent off by -4 */
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| 138 | return( /*@ no space after 'return', reported unless sloppy-spc */
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| 139 | x); } /*@ code before block-level '}' */
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| 140 | /* Here the tool should stop complaining apart from the below issues at EOF */
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| 141 |
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| 142 | void f_looong_body()
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| 143 | {
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| 144 | ;
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| 342 |
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| 344 | ; /*@ 2 essentially blank lines before, if !sloppy-spc */
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| 345 | } /*@ function body length > 200 lines */
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| 346 | #if 0 /*@0 unclosed #if */
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| 347 | struct t { /*@0 unclosed brace at decl/block level */
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| 348 | enum { /*@0 unclosed brace at enum/expression level */
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| 349 | v = (1 /*@0 unclosed parenthesis */
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| 350 | etyp /*@0 blank line follows just before EOF, if !sloppy-spc: */
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| 351 |
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