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f98ca075 | 1 | /* Test for some *_unlocked stdio interfaces. |
568035b7 | 2 | Copyright (C) 2004-2013 Free Software Foundation, Inc. |
f98ca075 RM |
3 | This file is part of the GNU C Library. |
4 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
f98ca075 RM |
19 | |
20 | #include <stdlib.h> | |
21 | #include <stdio.h> | |
22 | #include <string.h> | |
23 | ||
24 | int fd; | |
25 | static void do_prepare (void); | |
26 | static int do_test (void); | |
27 | #define PREPARE(argc, argv) do_prepare () | |
28 | #define TEST_FUNCTION do_test () | |
29 | #include "../test-skeleton.c" | |
30 | ||
31 | static int | |
32 | do_test (void) | |
33 | { | |
34 | const char blah[] = "BLAH"; | |
35 | char buf[strlen (blah) + 1]; | |
36 | FILE *fp, *f; | |
37 | const char *cp; | |
38 | char *wp; | |
39 | ||
40 | if ((fp = fdopen (fd, "w+")) == NULL) | |
41 | exit (1); | |
42 | ||
43 | flockfile (fp); | |
44 | ||
45 | f = fp; | |
46 | cp = blah; | |
47 | if (ftello (fp) != 0 | |
48 | || fwrite_unlocked (blah, blah - blah, strlen (blah), f++) != 0 | |
49 | || f != fp + 1 | |
50 | || fwrite_unlocked ("", 5.0, 0, --f) != 0 | |
51 | || f != fp | |
52 | || fwrite_unlocked (cp++, 16, 0.25, fp) != 0 | |
53 | || cp != blah + 1 | |
54 | || fwrite_unlocked (--cp, 0.25, 16, fp) != 0 | |
55 | || cp != blah | |
56 | || fwrite_unlocked (blah, 0, -0.0, fp) != 0 | |
57 | || ftello (fp) != 0) | |
58 | { | |
59 | puts ("One of fwrite_unlocked tests failed"); | |
60 | exit (1); | |
61 | } | |
62 | ||
63 | if (fwrite_unlocked (blah, 1, strlen (blah) - 2, fp) != strlen (blah) - 2) | |
64 | { | |
65 | puts ("Could not write string into file"); | |
66 | exit (1); | |
67 | } | |
68 | ||
69 | if (putc_unlocked ('A' + 0x1000000, fp) != 'A') | |
70 | { | |
71 | puts ("putc_unlocked failed"); | |
72 | exit (1); | |
73 | } | |
74 | ||
75 | f = fp; | |
76 | cp = blah + strlen (blah) - 1; | |
77 | if (putc_unlocked (*cp++, f++) != 'H' | |
78 | || f != fp + 1 | |
79 | || cp != strchr (blah, '\0')) | |
80 | { | |
81 | puts ("fputc_unlocked failed"); | |
82 | exit (1); | |
83 | } | |
84 | ||
85 | if (ftello (fp) != (off_t) strlen (blah)) | |
86 | { | |
87 | printf ("Failed to write %zd bytes to temporary file", strlen (blah)); | |
88 | exit (1); | |
89 | } | |
90 | ||
91 | rewind (fp); | |
92 | ||
93 | f = fp; | |
94 | wp = buf; | |
95 | memset (buf, ' ', sizeof (buf)); | |
96 | if (ftello (fp) != 0 | |
97 | || fread_unlocked (buf, buf - buf, strlen (blah), f++) != 0 | |
98 | || f != fp + 1 | |
99 | || fread_unlocked (buf, 5.0, 0, --f) != 0 | |
100 | || f != fp | |
101 | || fread_unlocked (wp++, 16, 0.25, fp) != 0 | |
102 | || wp != buf + 1 | |
103 | || fread_unlocked (--wp, 0.25, 16, fp) != 0 | |
104 | || wp != buf | |
105 | || fread_unlocked (buf, 0, -0.0, fp) != 0 | |
106 | || ftello (fp) != 0 | |
107 | || memcmp (buf, " ", sizeof (buf)) != 0) | |
108 | { | |
109 | puts ("One of fread_unlocked tests failed"); | |
110 | exit (1); | |
111 | } | |
112 | ||
113 | if (fread_unlocked (buf, 1, strlen (blah) - 2, fp) != strlen (blah) - 2) | |
114 | { | |
115 | puts ("Could not read string from file"); | |
116 | exit (1); | |
117 | } | |
118 | ||
119 | if (getc_unlocked (fp) != 'A') | |
120 | { | |
121 | puts ("getc_unlocked failed"); | |
122 | exit (1); | |
123 | } | |
124 | ||
125 | f = fp; | |
126 | if (fgetc_unlocked (f++) != 'H' | |
127 | || f != fp + 1 | |
128 | || fgetc_unlocked (--f) != EOF | |
129 | || f != fp) | |
130 | { | |
131 | puts ("fgetc_unlocked failed"); | |
132 | exit (1); | |
133 | } | |
134 | ||
135 | if (ftello (fp) != (off_t) strlen (blah)) | |
136 | { | |
137 | printf ("Failed to read %zd bytes from temporary file", strlen (blah)); | |
138 | exit (1); | |
139 | } | |
140 | ||
141 | funlockfile (fp); | |
142 | fclose (fp); | |
143 | ||
144 | return 0; | |
145 | } | |
146 | ||
147 | static void | |
148 | do_prepare (void) | |
149 | { | |
150 | fd = create_temp_file ("tst-unlockedio.", NULL); | |
151 | if (fd == -1) | |
152 | { | |
153 | printf ("cannot create temporary file: %m\n"); | |
154 | exit (1); | |
155 | } | |
156 | } |