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
10 void
11 foo (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
89 /* Incorrect usages with Y2K problems. */
90 strftime (s, m, "%5c", tp); /* { dg-warning "width" "bad %c" } */
91 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
92 strftime (s, m, "%-c", tp); /* { dg-warning "flag" "bad %c" } */
93 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
94 strftime (s, m, "%_c", tp); /* { dg-warning "flag" "bad %c" } */
95 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
96 strftime (s, m, "%0c", tp); /* { dg-warning "flag" "bad %c" } */
97 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
98 strftime (s, m, "%5D", tp); /* { dg-warning "width" "bad %D" } */
99 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
100 strftime (s, m, "%-D", tp); /* { dg-warning "flag" "bad %D" } */
101 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
102 strftime (s, m, "%_D", tp); /* { dg-warning "flag" "bad %D" } */
103 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
104 strftime (s, m, "%0D", tp); /* { dg-warning "flag" "bad %D" } */
105 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
106 strftime (s, m, "%5x", tp); /* { dg-warning "width" "bad %x" } */
107 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
108 strftime (s, m, "%-x", tp); /* { dg-warning "flag" "bad %x" } */
109 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
110 strftime (s, m, "%_x", tp); /* { dg-warning "flag" "bad %x" } */
111 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
112 strftime (s, m, "%0x", tp); /* { dg-warning "flag" "bad %x" } */
113 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
114
115 /* Incorrect usages with GNU extension conversion characters. */
116 strftime (s, m, "%5P", tp); /* { dg-warning "width" "bad %P" } */
117 strftime (s, m, "%-P", tp); /* { dg-warning "flag" "bad %P" } */
118 strftime (s, m, "%_P", tp); /* { dg-warning "flag" "bad %P" } */
119 strftime (s, m, "%0P", tp); /* { dg-warning "flag" "bad %P" } */
120 /* The "^" and "#" flags control the case of the output.
121 ^ (uppercase) makes sense on aAbBhZ; # (change case) makes sense
122 on the same and on p.
123 */
124 strftime (s, m, "%^a%#a%^A%#A%^b%#b%^B%#B%^h%#h%^Z%#Z%#p", tp);
125 /* Bad usages. */
126 strftime (s, m, "%^C", tp); /* { dg-warning "flag" "bad %C" } */
127 strftime (s, m, "%#C", tp); /* { dg-warning "flag" "bad %C" } */
128 strftime (s, m, "%^d", tp); /* { dg-warning "flag" "bad %d" } */
129 strftime (s, m, "%#d", tp); /* { dg-warning "flag" "bad %d" } */
130 strftime (s, m, "%^e", tp); /* { dg-warning "flag" "bad %e" } */
131 strftime (s, m, "%#e", tp); /* { dg-warning "flag" "bad %e" } */
132 strftime (s, m, "%^F", tp); /* { dg-warning "flag" "bad %F" } */
133 strftime (s, m, "%#F", tp); /* { dg-warning "flag" "bad %F" } */
134 strftime (s, m, "%^G", tp); /* { dg-warning "flag" "bad %G" } */
135 strftime (s, m, "%#G", tp); /* { dg-warning "flag" "bad %G" } */
136 strftime (s, m, "%^H", tp); /* { dg-warning "flag" "bad %H" } */
137 strftime (s, m, "%#H", tp); /* { dg-warning "flag" "bad %H" } */
138 strftime (s, m, "%^I", tp); /* { dg-warning "flag" "bad %I" } */
139 strftime (s, m, "%#I", tp); /* { dg-warning "flag" "bad %I" } */
140 strftime (s, m, "%^j", tp); /* { dg-warning "flag" "bad %j" } */
141 strftime (s, m, "%#j", tp); /* { dg-warning "flag" "bad %j" } */
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, "%^M", tp); /* { dg-warning "flag" "bad %M" } */
145 strftime (s, m, "%#M", tp); /* { dg-warning "flag" "bad %M" } */
146 strftime (s, m, "%^n", tp); /* { dg-warning "flag" "bad %n" } */
147 strftime (s, m, "%#n", tp); /* { dg-warning "flag" "bad %n" } */
148 strftime (s, m, "%^p", tp); /* { dg-warning "flag" "bad %p" } */
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, "%^R", tp); /* { dg-warning "flag" "bad %R" } */
152 strftime (s, m, "%#R", tp); /* { dg-warning "flag" "bad %R" } */
153 strftime (s, m, "%^S", tp); /* { dg-warning "flag" "bad %S" } */
154 strftime (s, m, "%#S", tp); /* { dg-warning "flag" "bad %S" } */
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, "%^T", tp); /* { dg-warning "flag" "bad %T" } */
158 strftime (s, m, "%#T", tp); /* { dg-warning "flag" "bad %T" } */
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, "%^U", tp); /* { dg-warning "flag" "bad %U" } */
162 strftime (s, m, "%#U", tp); /* { dg-warning "flag" "bad %U" } */
163 strftime (s, m, "%^V", tp); /* { dg-warning "flag" "bad %V" } */
164 strftime (s, m, "%#V", tp); /* { dg-warning "flag" "bad %V" } */
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, "%^W", tp); /* { dg-warning "flag" "bad %W" } */
168 strftime (s, m, "%#W", tp); /* { dg-warning "flag" "bad %W" } */
169 strftime (s, m, "%^X", tp); /* { dg-warning "flag" "bad %X" } */
170 strftime (s, m, "%#X", tp); /* { dg-warning "flag" "bad %X" } */
171 strftime (s, m, "%^Y", tp); /* { dg-warning "flag" "bad %Y" } */
172 strftime (s, m, "%#Y", tp); /* { dg-warning "flag" "bad %Y" } */
173 strftime (s, m, "%^z", tp); /* { dg-warning "flag" "bad %z" } */
174 strftime (s, m, "%#z", tp); /* { dg-warning "flag" "bad %z" } */
175 strftime (s, m, "%^P", tp); /* { dg-warning "flag" "bad %P" } */
176 strftime (s, m, "%#P", tp); /* { dg-warning "flag" "bad %P" } */
177 strftime (s, m, "%^k", tp); /* { dg-warning "flag" "bad %k" } */
178 strftime (s, m, "%#k", tp); /* { dg-warning "flag" "bad %k" } */
179 strftime (s, m, "%^l", tp); /* { dg-warning "flag" "bad %l" } */
180 strftime (s, m, "%#l", tp); /* { dg-warning "flag" "bad %l" } */
181 strftime (s, m, "%^s", tp); /* { dg-warning "flag" "bad %s" } */
182 strftime (s, m, "%#s", tp); /* { dg-warning "flag" "bad %s" } */
183
184 /* Bad usages with Y2K problems. */
185 strftime (s, m, "%^c", tp); /* { dg-warning "flag" "bad %c" } */
186 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
187 strftime (s, m, "%#c", tp); /* { dg-warning "flag" "bad %c" } */
188 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
189 strftime (s, m, "%^D", tp); /* { dg-warning "flag" "bad %D" } */
190 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
191 strftime (s, m, "%#D", tp); /* { dg-warning "flag" "bad %D" } */
192 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
193 strftime (s, m, "%^g", tp); /* { dg-warning "flag" "bad %g" } */
194 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
195 strftime (s, m, "%#g", tp); /* { dg-warning "flag" "bad %g" } */
196 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
197 strftime (s, m, "%^x", tp); /* { dg-warning "flag" "bad %x" } */
198 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
199 strftime (s, m, "%#x", tp); /* { dg-warning "flag" "bad %x" } */
200 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
201 strftime (s, m, "%^y", tp); /* { dg-warning "flag" "bad %y" } */
202 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
203 strftime (s, m, "%#y", tp); /* { dg-warning "flag" "bad %y" } */
204 /* { dg-warning "only last 2" "2-digit year" { target *-*-* } .-1 } */
205
206 /* GCC also accepts the glibc format extensions %P, %k, %l, %s. */
207 strftime (s, m, "%P%k%l%s", tp);
208 /* GCC also accepts the glibc extension of the "O" modifier on some
209 more formats. The cases where it is rejected altogether are
210 covered in c99-strftime-1.c, except for the extension %P.
211 */
212 strftime (s, m, "%OC%Og%OG%Oj%OY%Oz%Ok%Ol%Os", tp); /* { dg-warning "only last 2" "2-digit year" } */
213 strftime (s, m, "%OP", tp); /* { dg-warning "flag|modifier" "bad %OP" } */
214 /* The "-", "_" and "0" flags are mutually exclusive. */
215 strftime (s, m, "%-_5C", tp); /* { dg-warning "flag" "bad %-_" } */
216 strftime (s, m, "%-05C", tp); /* { dg-warning "flag" "bad %-0" } */
217 strftime (s, m, "%_05C", tp); /* { dg-warning "flag" "bad %_0" } */
218 /* The "#" and "^" flags are mutually exclusive. */
219 strftime (s, m, "%^#a", tp); /* { dg-warning "flag" "bad %^#" } */
220 }