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131
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1 /* Test for GCC diagnostic formats. */
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111
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2 /* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
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3 /* { dg-do compile } */
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4 /* { dg-options "-Wformat" } */
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5
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6 #include "format.h"
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7
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8 #define ATTRIBUTE_DIAG(F) __attribute__ ((__format__ (F, 1, 2))) __attribute__ ((__nonnull__));
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9
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10 /* Magic identifiers must be set before the attribute is used. */
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11
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12 typedef long long __gcc_host_wide_int__;
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13
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14 typedef struct location_s
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15 {
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16 const char *file;
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17 int line;
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18 } location_t;
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19
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20 union tree_node;
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21 typedef union tree_node *tree;
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22
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23 extern int diag (const char *, ...) ATTRIBUTE_DIAG(__gcc_diag__);
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24 extern int tdiag (const char *, ...) ATTRIBUTE_DIAG(__gcc_tdiag__);
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25 extern int cdiag (const char *, ...) ATTRIBUTE_DIAG(__gcc_cdiag__);
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26 extern int cxxdiag (const char *, ...) ATTRIBUTE_DIAG(__gcc_cxxdiag__);
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131
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27 extern int dump (const char *, ...) ATTRIBUTE_DIAG(__gcc_dump_printf__);
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111
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28
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29 void
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30 foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
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31 int *n, short int *hn, long int l, unsigned long int ul,
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32 long int *ln, long double ld, wint_t lc, wchar_t *ls, llong ll,
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33 ullong ull, unsigned int *un, const int *cn, signed char *ss,
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34 unsigned char *us, const signed char *css, unsigned int u1,
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35 unsigned int u2, location_t *loc, tree t1, union tree_node *t2,
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36 tree *t3, tree t4[], int *v, unsigned v_len)
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37 {
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38 /* Acceptable C90 specifiers, flags and modifiers. */
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39 diag ("%%");
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40 tdiag ("%%");
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41 cdiag ("%%");
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42 cxxdiag ("%%");
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131
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43 dump ("%%");
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111
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44 diag ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
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45 tdiag ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
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46 cdiag ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
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47 cxxdiag ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
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131
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48 dump ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
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111
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49 diag ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
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50 tdiag ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
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51 cdiag ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
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52 cxxdiag ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
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131
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53 dump ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
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111
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54 diag ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
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55 tdiag ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
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56 cdiag ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
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57 cxxdiag ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
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131
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58 dump ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
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111
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59 diag ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
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60 tdiag ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
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61 cdiag ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
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62 cxxdiag ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
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131
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63 dump ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
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111
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64 diag ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
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65 tdiag ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
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66 cdiag ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
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67 cxxdiag ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
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131
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68 dump ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
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111
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69 diag ("%.*s", i, s);
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70 tdiag ("%.*s", i, s);
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71 cdiag ("%.*s", i, s);
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72 cxxdiag ("%.*s", i, s);
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131
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73 dump ("%.*s", i, s);
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111
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74
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75 /* Extensions provided in the diagnostic framework. */
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76 diag ("%m");
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77 tdiag ("%m");
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78 cdiag ("%m");
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79 cxxdiag ("%m");
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131
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80 dump ("%m");
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111
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81
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82 /* Quote directives to avoid "warning: conversion used unquoted." */
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83 tdiag ("%<%D%F%T%V%>", t1, t1, t1, t1);
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84 tdiag ("%<%+D%+F%+T%+V%>", t1, t1, t1, t1);
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85 tdiag ("%q+D%q+F%q+T%q+V", t1, t1, t1, t1);
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86 tdiag ("%<%D%D%D%D%>", t1, t2, *t3, t4[5]);
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87 cdiag ("%<%D%F%T%V%>", t1, t1, t1, t1);
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88 cdiag ("%<%+D%+F%+T%+V%>", t1, t1, t1, t1);
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89 cdiag ("%q+D%q+F%q+T%q+V", t1, t1, t1, t1);
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90 cdiag ("%<%D%D%D%D%>", t1, t2, *t3, t4[5]);
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91 cdiag ("%<%E%>", t1);
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92 cxxdiag ("%<%A%D%E%F%T%V%>", t1, t1, t1, t1, t1, t1);
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93 cxxdiag ("%<%D%D%D%D%>", t1, t2, *t3, t4[5]);
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94 cxxdiag ("%<%#A%#D%#E%#F%#T%#V%>", t1, t1, t1, t1, t1, t1);
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95 cxxdiag ("%<%+A%+D%+E%+F%+T%+V%>", t1, t1, t1, t1, t1, t1);
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96 cxxdiag ("%<%+#A%+#D%+#E%+#F%+#T%+#V%>", t1, t1, t1, t1, t1, t1);
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97 cxxdiag ("%C%L%O%P%Q", i, i, i, i, i);
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98
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131
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99 tdiag ("%v", i); /* { dg-warning "format" } */
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111
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100 cdiag ("%v%qv%#v", i, i, i);
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131
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101 cxxdiag ("%v", i); /* { dg-warning "format" } */
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111
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102
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103 tdiag ("%Z", v, v_len);
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104 cdiag ("%Z", v, v_len);
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105 cxxdiag ("%Z", v, v_len);
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131
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106 dump ("%Z", v, v_len);
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111
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107
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108 /* Bad stuff with extensions. */
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109 diag ("%m", i); /* { dg-warning "format" "extra arg" } */
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110 tdiag ("%m", i); /* { dg-warning "format" "extra arg" } */
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111 cdiag ("%m", i); /* { dg-warning "format" "extra arg" } */
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112 cxxdiag ("%m", i); /* { dg-warning "format" "extra arg" } */
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131
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113 dump ("%m", i); /* { dg-warning "format" "extra arg" } */
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111
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114 diag ("%#m"); /* { dg-warning "format" "bogus modifier" } */
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115 tdiag ("%#m"); /* { dg-warning "format" "bogus modifier" } */
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116 cdiag ("%#m"); /* { dg-warning "format" "bogus modifier" } */
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117 cxxdiag ("%#m"); /* { dg-warning "format" "bogus modifier" } */
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131
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118 dump ("%#m"); /* { dg-warning "format" "bogus modifier" } */
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111
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119 diag ("%+m"); /* { dg-warning "format" "bogus modifier" } */
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120 tdiag ("%+m"); /* { dg-warning "format" "bogus modifier" } */
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121 cdiag ("%+m"); /* { dg-warning "format" "bogus modifier" } */
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122 cxxdiag ("%+m"); /* { dg-warning "format" "bogus modifier" } */
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131
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123 dump ("%+m"); /* { dg-warning "format" "bogus modifier" } */
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111
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124 diag ("%D", t1); /* { dg-warning "format" "bogus tree" } */
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125 tdiag ("%A", t1); /* { dg-warning "format" "bogus tree" } */
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126 tdiag ("%E", t1);
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127 tdiag ("%#D", t1); /* { dg-warning "format" "bogus modifier" } */
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128 cdiag ("%A", t1); /* { dg-warning "format" "bogus tree" } */
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129 cdiag ("%#D", t1); /* { dg-warning "format" "bogus modifier" } */
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130 cdiag ("%<%+D%>", t1);
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131 cxxdiag ("%C"); /* { dg-warning "format" "missing arg" } */
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132 cxxdiag ("%C", l); /* { dg-warning "format" "wrong arg" } */
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133 cxxdiag ("%C", i, i); /* { dg-warning "format" "extra arg" } */
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134 cxxdiag ("%#C", i); /* { dg-warning "format" "bogus modifier" } */
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135 cxxdiag ("%+C", i); /* { dg-warning "format" "bogus modifier" } */
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136 tdiag ("%D"); /* { dg-warning "format" "missing arg" } */
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137 cdiag ("%D"); /* { dg-warning "format" "missing arg" } */
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138 cxxdiag ("%D"); /* { dg-warning "format" "missing arg" } */
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139 tdiag ("%D", i); /* { dg-warning "format" "wrong arg" } */
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140 cdiag ("%D", i); /* { dg-warning "format" "wrong arg" } */
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141 cxxdiag ("%D", i); /* { dg-warning "format" "wrong arg" } */
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142 tdiag ("%D", t1, t1); /* { dg-warning "format" "extra arg" } */
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143 cdiag ("%D", t1, t1); /* { dg-warning "format" "extra arg" } */
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144 cxxdiag ("%D", t1, t1); /* { dg-warning "format" "extra arg" } */
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145
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146 tdiag ("%V", i); /* { dg-warning "format" "wrong arg" } */
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147 cdiag ("%V", i); /* { dg-warning "format" "wrong arg" } */
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148 cxxdiag ("%V", i); /* { dg-warning "format" "wrong arg" } */
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149
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150 tdiag ("%v", t1); /* { dg-warning "format" "wrong arg" } */
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151 cdiag ("%v", t1); /* { dg-warning "format" "wrong arg" } */
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152 cxxdiag ("%v", t1); /* { dg-warning "format" "wrong arg" } */
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153
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154 tdiag ("%Z"); /* { dg-warning "format" "missing arg" } */
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155 tdiag ("%Z", t1); /* { dg-warning "format" "wrong arg" } */
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156
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157 /* Standard specifiers not accepted in the diagnostic framework. */
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158 diag ("%X\n", u); /* { dg-warning "format" "HEX" } */
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159 diag ("%f\n", d); /* { dg-warning "format" "float" } */
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160 diag ("%e\n", d); /* { dg-warning "format" "float" } */
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161 diag ("%E\n", d); /* { dg-warning "format" "float" } */
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162 diag ("%g\n", d); /* { dg-warning "format" "float" } */
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163 diag ("%G\n", d); /* { dg-warning "format" "float" } */
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164 diag ("%n\n", n); /* { dg-warning "format" "counter" } */
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165 diag ("%hd\n", i); /* { dg-warning "format" "conversion" } */
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166
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167 /* Various tests of bad argument types. */
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168 diag ("%-d", i); /* { dg-warning "format" "bad flag" } */
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169 tdiag ("%-d", i); /* { dg-warning "format" "bad flag" } */
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170 cdiag ("%-d", i); /* { dg-warning "format" "bad flag" } */
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171 cxxdiag ("%-d", i); /* { dg-warning "format" "bad flag" } */
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172 diag ("% d", i); /* { dg-warning "format" "bad flag" } */
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173 tdiag ("% d", i); /* { dg-warning "format" "bad flag" } */
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174 cdiag ("% d", i); /* { dg-warning "format" "bad flag" } */
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175 cxxdiag ("% d", i); /* { dg-warning "format" "bad flag" } */
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176 diag ("%#o", u); /* { dg-warning "format" "bad flag" } */
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177 tdiag ("%#o", u); /* { dg-warning "format" "bad flag" } */
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178 cdiag ("%#o", u); /* { dg-warning "format" "bad flag" } */
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179 cxxdiag ("%#o", u); /* { dg-warning "format" "bad flag" } */
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180 diag ("%0d", i); /* { dg-warning "format" "bad flag" } */
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181 tdiag ("%0d", i); /* { dg-warning "format" "bad flag" } */
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182 cdiag ("%0d", i); /* { dg-warning "format" "bad flag" } */
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183 cxxdiag ("%0d", i); /* { dg-warning "format" "bad flag" } */
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184 diag ("%08d", i); /* { dg-warning "format" "bad flag" } */
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185 tdiag ("%08d", i); /* { dg-warning "format" "bad flag" } */
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186 cdiag ("%08d", i); /* { dg-warning "format" "bad flag" } */
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187 cxxdiag ("%08d", i); /* { dg-warning "format" "bad flag" } */
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188 diag ("%+d\n", i); /* { dg-warning "format" "bad flag" } */
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189 tdiag ("%+d\n", i); /* { dg-warning "format" "bad flag" } */
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190 cdiag ("%+d\n", i); /* { dg-warning "format" "bad flag" } */
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191 cxxdiag ("%+d\n", i); /* { dg-warning "format" "bad flag" } */
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192 diag ("%3d\n", i); /* { dg-warning "format" "bad flag" } */
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193 tdiag ("%3d\n", i); /* { dg-warning "format" "bad flag" } */
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194 cdiag ("%3d\n", i); /* { dg-warning "format" "bad flag" } */
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195 cxxdiag ("%3d\n", i); /* { dg-warning "format" "bad flag" } */
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196 diag ("%-3d\n", i); /* { dg-warning "format" "bad flag" } */
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197 tdiag ("%-3d\n", i); /* { dg-warning "format" "bad flag" } */
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198 cdiag ("%-3d\n", i); /* { dg-warning "format" "bad flag" } */
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199 cxxdiag ("%-3d\n", i); /* { dg-warning "format" "bad flag" } */
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200 diag ("%.7d\n", i); /* { dg-warning "format" "bad flag" } */
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201 tdiag ("%.7d\n", i); /* { dg-warning "format" "bad flag" } */
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202 cdiag ("%.7d\n", i); /* { dg-warning "format" "bad flag" } */
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203 cxxdiag ("%.7d\n", i); /* { dg-warning "format" "bad flag" } */
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204 diag ("%+9.4d\n", i); /* { dg-warning "format" "bad flag" } */
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205 tdiag ("%+9.4d\n", i); /* { dg-warning "format" "bad flag" } */
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206 cdiag ("%+9.4d\n", i); /* { dg-warning "format" "bad flag" } */
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207 cxxdiag ("%+9.4d\n", i); /* { dg-warning "format" "bad flag" } */
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208 diag ("%.3ld\n", l); /* { dg-warning "format" "bad flag" } */
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209 tdiag ("%.3ld\n", l); /* { dg-warning "format" "bad flag" } */
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210 cdiag ("%.3ld\n", l); /* { dg-warning "format" "bad flag" } */
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211 cxxdiag ("%.3ld\n", l); /* { dg-warning "format" "bad flag" } */
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212 diag ("%d %lu\n", i, ul);
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213 diag ("%d", l); /* { dg-warning "format" "bad argument types" } */
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214 diag ("%wd", l); /* { dg-warning "format" "bad argument types" } */
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215 diag ("%d", ll); /* { dg-warning "format" "bad argument types" } */
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216 diag ("%*s", i, s); /* { dg-warning "format" "bad * argument types" } */
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217 diag ("%*.*s", i, i, s); /* { dg-warning "format" "bad * argument types" } */
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218 diag ("%*d\n", i1, i); /* { dg-warning "format" "bad * argument types" } */
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219 diag ("%.*d\n", i2, i); /* { dg-warning "format" "bad * argument types" } */
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220 diag ("%*.*ld\n", i1, i2, l); /* { dg-warning "format" "bad * argument types" } */
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221 diag ("%ld", i); /* { dg-warning "format" "bad argument types" } */
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222 diag ("%s", n); /* { dg-warning "format" "bad argument types" } */
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223
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224 /* Wrong number of arguments. */
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225 diag ("%d%d", i); /* { dg-warning "matching" "wrong number of args" } */
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226 diag ("%d", i, i); /* { dg-warning "arguments" "wrong number of args" } */
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227 /* Miscellaneous bogus constructions. */
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228 diag (""); /* { dg-warning "zero-length" "warning for empty format" } */
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229 diag ("\0"); /* { dg-warning "embedded" "warning for embedded NUL" } */
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230 diag ("%d\0", i); /* { dg-warning "embedded" "warning for embedded NUL" } */
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231 diag ("%d\0%d", i, i); /* { dg-warning "embedded|too many" "warning for embedded NUL" } */
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232 diag (NULL); /* { dg-warning "null" "null format string warning" } */
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233 diag ("%"); /* { dg-warning "trailing" "trailing % warning" } */
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234 diag ((const char *)L"foo"); /* { dg-warning "wide" "wide string" } */
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235 diag ("%s", (char *)0); /* { dg-warning "null" "%s with NULL" } */
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236
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237 /* Make sure we still get warnings for regular printf. */
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238 printf ("%d\n", ll); /* { dg-warning "format" "bad argument types" } */
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239 }
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