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421a1d34 | 1 | /* Test for the long double variants of *printf functions. |
d614a753 | 2 | Copyright (C) 2019-2020 Free Software Foundation, Inc. |
421a1d34 GG |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5d39f37b | 17 | <https://www.gnu.org/licenses/>. */ |
421a1d34 GG |
18 | |
19 | #include <stdarg.h> | |
20 | #include <stdint.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | ||
24 | #include <support/capture_subprocess.h> | |
25 | #include <support/check.h> | |
26 | ||
27 | static void | |
28 | do_test_call_varg (FILE *stream, const char *format, ...) | |
29 | { | |
30 | char *buffer = NULL; | |
31 | char string[128]; | |
32 | va_list args; | |
33 | ||
34 | printf ("%15s", "vasprintf: "); | |
35 | va_start (args, format); | |
36 | vasprintf (&buffer, format, args); | |
37 | va_end (args); | |
38 | if (buffer == NULL) | |
39 | printf ("Error using vasprintf\n"); | |
40 | else | |
41 | { | |
42 | printf ("%s", buffer); | |
43 | free (buffer); | |
44 | } | |
45 | printf ("\n"); | |
46 | ||
47 | printf ("%15s", "vdprintf: "); | |
48 | va_start (args, format); | |
49 | vdprintf (fileno (stream), format, args); | |
50 | va_end (args); | |
51 | printf ("\n"); | |
52 | ||
53 | printf ("%15s", "vfprintf: "); | |
54 | va_start (args, format); | |
55 | vfprintf (stream, format, args); | |
56 | va_end (args); | |
57 | printf ("\n"); | |
58 | ||
59 | printf ("%15s", "vprintf: "); | |
60 | va_start (args, format); | |
61 | vprintf (format, args); | |
62 | va_end (args); | |
63 | printf ("\n"); | |
64 | ||
65 | printf ("%15s", "vsnprintf: "); | |
66 | va_start (args, format); | |
67 | vsnprintf (string, 127, format, args); | |
68 | va_end (args); | |
69 | printf ("%s", string); | |
70 | printf ("\n"); | |
71 | ||
72 | printf ("%15s", "vsprintf: "); | |
73 | va_start (args, format); | |
74 | vsprintf (string, format, args); | |
75 | va_end (args); | |
76 | printf ("%s", string); | |
77 | printf ("\n"); | |
78 | } | |
79 | ||
80 | static void | |
5bbbd5ae | 81 | do_test_call_rarg (FILE *stream, const char *format, long double ld, double d) |
421a1d34 GG |
82 | { |
83 | char *buffer = NULL; | |
84 | char string[128]; | |
85 | ||
86 | printf ("%15s", "asprintf: "); | |
5bbbd5ae | 87 | asprintf (&buffer, format, ld, d); |
421a1d34 GG |
88 | if (buffer == NULL) |
89 | printf ("Error using asprintf\n"); | |
90 | else | |
91 | { | |
92 | printf ("%s", buffer); | |
93 | free (buffer); | |
94 | } | |
95 | printf ("\n"); | |
96 | ||
97 | printf ("%15s", "dprintf: "); | |
5bbbd5ae | 98 | dprintf (fileno (stream), format, ld, d); |
421a1d34 GG |
99 | printf ("\n"); |
100 | ||
101 | printf ("%15s", "fprintf: "); | |
5bbbd5ae | 102 | fprintf (stream, format, ld, d); |
421a1d34 GG |
103 | printf ("\n"); |
104 | ||
105 | printf ("%15s", "printf: "); | |
5bbbd5ae | 106 | printf (format, ld, d); |
421a1d34 GG |
107 | printf ("\n"); |
108 | ||
109 | printf ("%15s", "snprintf: "); | |
5bbbd5ae | 110 | snprintf (string, 127, format, ld, d); |
421a1d34 GG |
111 | printf ("%s", string); |
112 | printf ("\n"); | |
113 | ||
114 | printf ("%15s", "sprintf: "); | |
5bbbd5ae | 115 | sprintf (string, format, ld, d); |
421a1d34 GG |
116 | printf ("%s", string); |
117 | printf ("\n"); | |
118 | } | |
119 | ||
120 | static void | |
121 | do_test_call (void) | |
122 | { | |
123 | long double ld = -1; | |
5bbbd5ae | 124 | double d = -1; |
421a1d34 GG |
125 | |
126 | /* Print in decimal notation. */ | |
5bbbd5ae GG |
127 | do_test_call_rarg (stdout, "%.10Lf, %.10f", ld, d); |
128 | do_test_call_varg (stdout, "%.10Lf, %.10f", ld, d); | |
421a1d34 GG |
129 | |
130 | /* Print in hexadecimal notation. */ | |
5bbbd5ae GG |
131 | do_test_call_rarg (stdout, "%.10La, %.10a", ld, d); |
132 | do_test_call_varg (stdout, "%.10La, %.10a", ld, d); | |
c2f959ed GG |
133 | |
134 | /* Test positional parameters. */ | |
135 | do_test_call_varg (stdout, "%3$Lf, %2$Lf, %1$f", | |
136 | (double) 1, (long double) 2, (long double) 3); | |
421a1d34 GG |
137 | } |
138 | ||
139 | static int | |
140 | do_test (void) | |
141 | { | |
142 | struct support_capture_subprocess result; | |
143 | result = support_capture_subprocess ((void *) &do_test_call, NULL); | |
144 | ||
145 | /* Compare against the expected output. */ | |
146 | const char *expected = | |
5bbbd5ae GG |
147 | " asprintf: -1.0000000000, -1.0000000000\n" |
148 | " dprintf: -1.0000000000, -1.0000000000\n" | |
149 | " fprintf: -1.0000000000, -1.0000000000\n" | |
150 | " printf: -1.0000000000, -1.0000000000\n" | |
151 | " snprintf: -1.0000000000, -1.0000000000\n" | |
152 | " sprintf: -1.0000000000, -1.0000000000\n" | |
153 | " vasprintf: -1.0000000000, -1.0000000000\n" | |
154 | " vdprintf: -1.0000000000, -1.0000000000\n" | |
155 | " vfprintf: -1.0000000000, -1.0000000000\n" | |
156 | " vprintf: -1.0000000000, -1.0000000000\n" | |
157 | " vsnprintf: -1.0000000000, -1.0000000000\n" | |
158 | " vsprintf: -1.0000000000, -1.0000000000\n" | |
159 | " asprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
160 | " dprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
161 | " fprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
162 | " printf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
163 | " snprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
164 | " sprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
165 | " vasprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
166 | " vdprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
167 | " vfprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
168 | " vprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
169 | " vsnprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" | |
c2f959ed GG |
170 | " vsprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n" |
171 | " vasprintf: 3.000000, 2.000000, 1.000000\n" | |
172 | " vdprintf: 3.000000, 2.000000, 1.000000\n" | |
173 | " vfprintf: 3.000000, 2.000000, 1.000000\n" | |
174 | " vprintf: 3.000000, 2.000000, 1.000000\n" | |
175 | " vsnprintf: 3.000000, 2.000000, 1.000000\n" | |
176 | " vsprintf: 3.000000, 2.000000, 1.000000\n"; | |
421a1d34 GG |
177 | TEST_COMPARE_STRING (expected, result.out.buffer); |
178 | ||
179 | return 0; | |
180 | } | |
181 | ||
182 | #include <support/test-driver.c> |