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