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111
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1 /* Test for format extensions beyond the C standard and X/Open standard.
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2 Test for strftime formats.
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3 */
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4 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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5 /* { dg-do compile } */
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6 /* { dg-options "-std=gnu99 -Wformat -Wformat-y2k" } */
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7
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8 #include "format.h"
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9
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10 void
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11 foo (char *s, size_t m, const struct tm *tp)
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12 {
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13 /* GCC accepts the "-", "_" and "0" flags to control padding on numeric
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14 formats. It also accepts width on these formats.
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15 */
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16 /* Basic tests of parts on their own. */
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17 strftime (s, m, "%5C%-C%_C%0C", tp);
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18 /* Correct usages. */
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19 strftime (s, m, "%-5C%_5C%05C%-5d%_5d%05d%-5e%_5e%05e%-5G%_5G%05G", tp);
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20 strftime (s, m, "%-5H%_5H%05H%-5I%_5I%05I%-5j%_5j%05j%-5m%_5m%05m", tp);
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21 strftime (s, m, "%-5M%_5M%05M%-5S%_5S%05S%-5u%_5u%05u%-5U%_5U%05U", tp);
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22 strftime (s, m, "%-5V%_5V%05V%-5w%_5w%05w%-5W%_5W%05W%-5Y%_5Y%05Y", tp);
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23 /* Correct usages with GNU extension conversion characters. */
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24 strftime (s, m, "%-5k%_5k%05k%-5l%_5l%05l%-20s%_20s%020s", tp);
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25 /* Correct usages with Y2K problems. */
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26 strftime (s, m, "%-5g%_5g%05g%-5y%_5y%05y", tp); /* { dg-warning "only last 2" "2-digit year" } */
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27 /* Incorrect usages. */
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28 strftime (s, m, "%5a", tp); /* { dg-warning "width" "bad %a" } */
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29 strftime (s, m, "%-a", tp); /* { dg-warning "flag" "bad %a" } */
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30 strftime (s, m, "%_a", tp); /* { dg-warning "flag" "bad %a" } */
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31 strftime (s, m, "%0a", tp); /* { dg-warning "flag" "bad %a" } */
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32 strftime (s, m, "%5A", tp); /* { dg-warning "width" "bad %A" } */
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33 strftime (s, m, "%-A", tp); /* { dg-warning "flag" "bad %A" } */
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34 strftime (s, m, "%_A", tp); /* { dg-warning "flag" "bad %A" } */
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35 strftime (s, m, "%0A", tp); /* { dg-warning "flag" "bad %A" } */
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36 strftime (s, m, "%5b", tp); /* { dg-warning "width" "bad %b" } */
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37 strftime (s, m, "%-b", tp); /* { dg-warning "flag" "bad %b" } */
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38 strftime (s, m, "%_b", tp); /* { dg-warning "flag" "bad %b" } */
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39 strftime (s, m, "%0b", tp); /* { dg-warning "flag" "bad %b" } */
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40 strftime (s, m, "%5B", tp); /* { dg-warning "width" "bad %B" } */
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41 strftime (s, m, "%-B", tp); /* { dg-warning "flag" "bad %B" } */
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42 strftime (s, m, "%_B", tp); /* { dg-warning "flag" "bad %B" } */
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43 strftime (s, m, "%0B", tp); /* { dg-warning "flag" "bad %B" } */
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44 strftime (s, m, "%5F", tp); /* { dg-warning "width" "bad %F" } */
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45 strftime (s, m, "%-F", tp); /* { dg-warning "flag" "bad %F" } */
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46 strftime (s, m, "%_F", tp); /* { dg-warning "flag" "bad %F" } */
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47 strftime (s, m, "%0F", tp); /* { dg-warning "flag" "bad %F" } */
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48 strftime (s, m, "%5h", tp); /* { dg-warning "width" "bad %h" } */
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49 strftime (s, m, "%-h", tp); /* { dg-warning "flag" "bad %h" } */
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50 strftime (s, m, "%_h", tp); /* { dg-warning "flag" "bad %h" } */
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51 strftime (s, m, "%0h", tp); /* { dg-warning "flag" "bad %h" } */
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52 strftime (s, m, "%5n", tp); /* { dg-warning "width" "bad %n" } */
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53 strftime (s, m, "%-n", tp); /* { dg-warning "flag" "bad %n" } */
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54 strftime (s, m, "%_n", tp); /* { dg-warning "flag" "bad %n" } */
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55 strftime (s, m, "%0n", tp); /* { dg-warning "flag" "bad %n" } */
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56 strftime (s, m, "%5p", tp); /* { dg-warning "width" "bad %p" } */
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57 strftime (s, m, "%-p", tp); /* { dg-warning "flag" "bad %p" } */
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58 strftime (s, m, "%_p", tp); /* { dg-warning "flag" "bad %p" } */
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59 strftime (s, m, "%0p", tp); /* { dg-warning "flag" "bad %p" } */
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60 strftime (s, m, "%5r", tp); /* { dg-warning "width" "bad %r" } */
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61 strftime (s, m, "%-r", tp); /* { dg-warning "flag" "bad %r" } */
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62 strftime (s, m, "%_r", tp); /* { dg-warning "flag" "bad %r" } */
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63 strftime (s, m, "%0r", tp); /* { dg-warning "flag" "bad %r" } */
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64 strftime (s, m, "%5R", tp); /* { dg-warning "width" "bad %R" } */
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65 strftime (s, m, "%-R", tp); /* { dg-warning "flag" "bad %R" } */
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66 strftime (s, m, "%_R", tp); /* { dg-warning "flag" "bad %R" } */
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67 strftime (s, m, "%0R", tp); /* { dg-warning "flag" "bad %R" } */
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68 strftime (s, m, "%5t", tp); /* { dg-warning "width" "bad %t" } */
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69 strftime (s, m, "%-t", tp); /* { dg-warning "flag" "bad %t" } */
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70 strftime (s, m, "%_t", tp); /* { dg-warning "flag" "bad %t" } */
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71 strftime (s, m, "%0t", tp); /* { dg-warning "flag" "bad %t" } */
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72 strftime (s, m, "%5T", tp); /* { dg-warning "width" "bad %T" } */
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73 strftime (s, m, "%-T", tp); /* { dg-warning "flag" "bad %T" } */
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74 strftime (s, m, "%_T", tp); /* { dg-warning "flag" "bad %T" } */
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75 strftime (s, m, "%0T", tp); /* { dg-warning "flag" "bad %T" } */
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76 strftime (s, m, "%5X", tp); /* { dg-warning "width" "bad %X" } */
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77 strftime (s, m, "%-X", tp); /* { dg-warning "flag" "bad %X" } */
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78 strftime (s, m, "%_X", tp); /* { dg-warning "flag" "bad %X" } */
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79 strftime (s, m, "%0X", tp); /* { dg-warning "flag" "bad %X" } */
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80 strftime (s, m, "%5z", tp); /* { dg-warning "width" "bad %z" } */
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81 strftime (s, m, "%-z", tp); /* { dg-warning "flag" "bad %z" } */
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82 strftime (s, m, "%_z", tp); /* { dg-warning "flag" "bad %z" } */
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83 strftime (s, m, "%0z", tp); /* { dg-warning "flag" "bad %z" } */
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84 strftime (s, m, "%5Z", tp); /* { dg-warning "width" "bad %Z" } */
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85 strftime (s, m, "%-Z", tp); /* { dg-warning "flag" "bad %Z" } */
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86 strftime (s, m, "%_Z", tp); /* { dg-warning "flag" "bad %Z" } */
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87 strftime (s, m, "%0Z", tp); /* { dg-warning "flag" "bad %Z" } */
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88
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89 /* Incorrect usages with Y2K problems. */
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90 strftime (s, m, "%5c", tp); /* { dg-warning "width" "bad %c" } */
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91 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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92 strftime (s, m, "%-c", tp); /* { dg-warning "flag" "bad %c" } */
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93 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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94 strftime (s, m, "%_c", tp); /* { dg-warning "flag" "bad %c" } */
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95 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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96 strftime (s, m, "%0c", tp); /* { dg-warning "flag" "bad %c" } */
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97 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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98 strftime (s, m, "%5D", tp); /* { dg-warning "width" "bad %D" } */
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99 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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100 strftime (s, m, "%-D", tp); /* { dg-warning "flag" "bad %D" } */
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101 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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102 strftime (s, m, "%_D", tp); /* { dg-warning "flag" "bad %D" } */
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103 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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104 strftime (s, m, "%0D", tp); /* { dg-warning "flag" "bad %D" } */
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105 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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106 strftime (s, m, "%5x", tp); /* { dg-warning "width" "bad %x" } */
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107 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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108 strftime (s, m, "%-x", tp); /* { dg-warning "flag" "bad %x" } */
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109 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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110 strftime (s, m, "%_x", tp); /* { dg-warning "flag" "bad %x" } */
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111 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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112 strftime (s, m, "%0x", tp); /* { dg-warning "flag" "bad %x" } */
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113 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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114
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115 /* Incorrect usages with GNU extension conversion characters. */
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116 strftime (s, m, "%5P", tp); /* { dg-warning "width" "bad %P" } */
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117 strftime (s, m, "%-P", tp); /* { dg-warning "flag" "bad %P" } */
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118 strftime (s, m, "%_P", tp); /* { dg-warning "flag" "bad %P" } */
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119 strftime (s, m, "%0P", tp); /* { dg-warning "flag" "bad %P" } */
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120 /* The "^" and "#" flags control the case of the output.
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121 ^ (uppercase) makes sense on aAbBhZ; # (change case) makes sense
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122 on the same and on p.
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123 */
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124 strftime (s, m, "%^a%#a%^A%#A%^b%#b%^B%#B%^h%#h%^Z%#Z%#p", tp);
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125 /* Bad usages. */
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126 strftime (s, m, "%^C", tp); /* { dg-warning "flag" "bad %C" } */
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127 strftime (s, m, "%#C", tp); /* { dg-warning "flag" "bad %C" } */
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128 strftime (s, m, "%^d", tp); /* { dg-warning "flag" "bad %d" } */
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129 strftime (s, m, "%#d", tp); /* { dg-warning "flag" "bad %d" } */
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130 strftime (s, m, "%^e", tp); /* { dg-warning "flag" "bad %e" } */
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131 strftime (s, m, "%#e", tp); /* { dg-warning "flag" "bad %e" } */
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132 strftime (s, m, "%^F", tp); /* { dg-warning "flag" "bad %F" } */
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133 strftime (s, m, "%#F", tp); /* { dg-warning "flag" "bad %F" } */
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134 strftime (s, m, "%^G", tp); /* { dg-warning "flag" "bad %G" } */
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135 strftime (s, m, "%#G", tp); /* { dg-warning "flag" "bad %G" } */
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136 strftime (s, m, "%^H", tp); /* { dg-warning "flag" "bad %H" } */
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137 strftime (s, m, "%#H", tp); /* { dg-warning "flag" "bad %H" } */
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138 strftime (s, m, "%^I", tp); /* { dg-warning "flag" "bad %I" } */
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139 strftime (s, m, "%#I", tp); /* { dg-warning "flag" "bad %I" } */
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140 strftime (s, m, "%^j", tp); /* { dg-warning "flag" "bad %j" } */
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141 strftime (s, m, "%#j", tp); /* { dg-warning "flag" "bad %j" } */
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142 strftime (s, m, "%^m", tp); /* { dg-warning "flag" "bad %m" } */
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143 strftime (s, m, "%#m", tp); /* { dg-warning "flag" "bad %m" } */
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144 strftime (s, m, "%^M", tp); /* { dg-warning "flag" "bad %M" } */
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145 strftime (s, m, "%#M", tp); /* { dg-warning "flag" "bad %M" } */
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146 strftime (s, m, "%^n", tp); /* { dg-warning "flag" "bad %n" } */
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147 strftime (s, m, "%#n", tp); /* { dg-warning "flag" "bad %n" } */
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148 strftime (s, m, "%^p", tp); /* { dg-warning "flag" "bad %p" } */
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149 strftime (s, m, "%^r", tp); /* { dg-warning "flag" "bad %r" } */
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150 strftime (s, m, "%#r", tp); /* { dg-warning "flag" "bad %r" } */
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151 strftime (s, m, "%^R", tp); /* { dg-warning "flag" "bad %R" } */
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152 strftime (s, m, "%#R", tp); /* { dg-warning "flag" "bad %R" } */
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153 strftime (s, m, "%^S", tp); /* { dg-warning "flag" "bad %S" } */
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154 strftime (s, m, "%#S", tp); /* { dg-warning "flag" "bad %S" } */
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155 strftime (s, m, "%^t", tp); /* { dg-warning "flag" "bad %t" } */
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156 strftime (s, m, "%#t", tp); /* { dg-warning "flag" "bad %t" } */
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157 strftime (s, m, "%^T", tp); /* { dg-warning "flag" "bad %T" } */
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158 strftime (s, m, "%#T", tp); /* { dg-warning "flag" "bad %T" } */
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159 strftime (s, m, "%^u", tp); /* { dg-warning "flag" "bad %u" } */
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160 strftime (s, m, "%#u", tp); /* { dg-warning "flag" "bad %u" } */
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161 strftime (s, m, "%^U", tp); /* { dg-warning "flag" "bad %U" } */
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162 strftime (s, m, "%#U", tp); /* { dg-warning "flag" "bad %U" } */
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163 strftime (s, m, "%^V", tp); /* { dg-warning "flag" "bad %V" } */
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164 strftime (s, m, "%#V", tp); /* { dg-warning "flag" "bad %V" } */
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165 strftime (s, m, "%^w", tp); /* { dg-warning "flag" "bad %w" } */
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166 strftime (s, m, "%#w", tp); /* { dg-warning "flag" "bad %w" } */
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167 strftime (s, m, "%^W", tp); /* { dg-warning "flag" "bad %W" } */
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168 strftime (s, m, "%#W", tp); /* { dg-warning "flag" "bad %W" } */
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169 strftime (s, m, "%^X", tp); /* { dg-warning "flag" "bad %X" } */
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170 strftime (s, m, "%#X", tp); /* { dg-warning "flag" "bad %X" } */
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171 strftime (s, m, "%^Y", tp); /* { dg-warning "flag" "bad %Y" } */
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172 strftime (s, m, "%#Y", tp); /* { dg-warning "flag" "bad %Y" } */
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173 strftime (s, m, "%^z", tp); /* { dg-warning "flag" "bad %z" } */
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174 strftime (s, m, "%#z", tp); /* { dg-warning "flag" "bad %z" } */
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175 strftime (s, m, "%^P", tp); /* { dg-warning "flag" "bad %P" } */
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176 strftime (s, m, "%#P", tp); /* { dg-warning "flag" "bad %P" } */
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177 strftime (s, m, "%^k", tp); /* { dg-warning "flag" "bad %k" } */
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178 strftime (s, m, "%#k", tp); /* { dg-warning "flag" "bad %k" } */
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179 strftime (s, m, "%^l", tp); /* { dg-warning "flag" "bad %l" } */
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180 strftime (s, m, "%#l", tp); /* { dg-warning "flag" "bad %l" } */
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181 strftime (s, m, "%^s", tp); /* { dg-warning "flag" "bad %s" } */
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182 strftime (s, m, "%#s", tp); /* { dg-warning "flag" "bad %s" } */
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183
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184 /* Bad usages with Y2K problems. */
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185 strftime (s, m, "%^c", tp); /* { dg-warning "flag" "bad %c" } */
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186 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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187 strftime (s, m, "%#c", tp); /* { dg-warning "flag" "bad %c" } */
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188 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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189 strftime (s, m, "%^D", tp); /* { dg-warning "flag" "bad %D" } */
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190 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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191 strftime (s, m, "%#D", tp); /* { dg-warning "flag" "bad %D" } */
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192 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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193 strftime (s, m, "%^g", tp); /* { dg-warning "flag" "bad %g" } */
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194 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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195 strftime (s, m, "%#g", tp); /* { dg-warning "flag" "bad %g" } */
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196 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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197 strftime (s, m, "%^x", tp); /* { dg-warning "flag" "bad %x" } */
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198 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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199 strftime (s, m, "%#x", tp); /* { dg-warning "flag" "bad %x" } */
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200 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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201 strftime (s, m, "%^y", tp); /* { dg-warning "flag" "bad %y" } */
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202 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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203 strftime (s, m, "%#y", tp); /* { dg-warning "flag" "bad %y" } */
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204 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
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205
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206 /* GCC also accepts the glibc format extensions %P, %k, %l, %s. */
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207 strftime (s, m, "%P%k%l%s", tp);
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208 /* GCC also accepts the glibc extension of the "O" modifier on some
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209 more formats. The cases where it is rejected altogether are
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210 covered in c99-strftime-1.c, except for the extension %P.
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211 */
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212 strftime (s, m, "%OC%Og%OG%Oj%OY%Oz%Ok%Ol%Os", tp); /* { dg-warning "only last 2" "2-digit year" } */
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213 strftime (s, m, "%OP", tp); /* { dg-warning "flag|modifier" "bad %OP" } */
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214 /* The "-", "_" and "0" flags are mutually exclusive. */
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215 strftime (s, m, "%-_5C", tp); /* { dg-warning "flag" "bad %-_" } */
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216 strftime (s, m, "%-05C", tp); /* { dg-warning "flag" "bad %-0" } */
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217 strftime (s, m, "%_05C", tp); /* { dg-warning "flag" "bad %_0" } */
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218 /* The "#" and "^" flags are mutually exclusive. */
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219 strftime (s, m, "%^#a", tp); /* { dg-warning "flag" "bad %^#" } */
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220 }
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