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1 | /* Test for some *_unlocked stdio interfaces. |
2 | Copyright (C) 2004 Free Software Foundation, Inc. | |
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 | |
17 | License along with the GNU C Library; if not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
19 | 02111-1307 USA. */ | |
20 | ||
21 | #include <stdlib.h> | |
22 | #include <stdio.h> | |
23 | #include <string.h> | |
24 | ||
25 | int fd; | |
26 | static void do_prepare (void); | |
27 | static int do_test (void); | |
28 | #define PREPARE(argc, argv) do_prepare () | |
29 | #define TEST_FUNCTION do_test () | |
30 | #include "../test-skeleton.c" | |
31 | ||
32 | static int | |
33 | do_test (void) | |
34 | { | |
35 | const char blah[] = "BLAH"; | |
36 | char buf[strlen (blah) + 1]; | |
37 | FILE *fp, *f; | |
38 | const char *cp; | |
39 | char *wp; | |
40 | ||
41 | if ((fp = fdopen (fd, "w+")) == NULL) | |
42 | exit (1); | |
43 | ||
44 | flockfile (fp); | |
45 | ||
46 | f = fp; | |
47 | cp = blah; | |
48 | if (ftello (fp) != 0 | |
49 | || fwrite_unlocked (blah, blah - blah, strlen (blah), f++) != 0 | |
50 | || f != fp + 1 | |
51 | || fwrite_unlocked ("", 5.0, 0, --f) != 0 | |
52 | || f != fp | |
53 | || fwrite_unlocked (cp++, 16, 0.25, fp) != 0 | |
54 | || cp != blah + 1 | |
55 | || fwrite_unlocked (--cp, 0.25, 16, fp) != 0 | |
56 | || cp != blah | |
57 | || fwrite_unlocked (blah, 0, -0.0, fp) != 0 | |
58 | || ftello (fp) != 0) | |
59 | { | |
60 | puts ("One of fwrite_unlocked tests failed"); | |
61 | exit (1); | |
62 | } | |
63 | ||
64 | if (fwrite_unlocked (blah, 1, strlen (blah) - 2, fp) != strlen (blah) - 2) | |
65 | { | |
66 | puts ("Could not write string into file"); | |
67 | exit (1); | |
68 | } | |
69 | ||
70 | if (putc_unlocked ('A' + 0x1000000, fp) != 'A') | |
71 | { | |
72 | puts ("putc_unlocked failed"); | |
73 | exit (1); | |
74 | } | |
75 | ||
76 | f = fp; | |
77 | cp = blah + strlen (blah) - 1; | |
78 | if (putc_unlocked (*cp++, f++) != 'H' | |
79 | || f != fp + 1 | |
80 | || cp != strchr (blah, '\0')) | |
81 | { | |
82 | puts ("fputc_unlocked failed"); | |
83 | exit (1); | |
84 | } | |
85 | ||
86 | if (ftello (fp) != (off_t) strlen (blah)) | |
87 | { | |
88 | printf ("Failed to write %zd bytes to temporary file", strlen (blah)); | |
89 | exit (1); | |
90 | } | |
91 | ||
92 | rewind (fp); | |
93 | ||
94 | f = fp; | |
95 | wp = buf; | |
96 | memset (buf, ' ', sizeof (buf)); | |
97 | if (ftello (fp) != 0 | |
98 | || fread_unlocked (buf, buf - buf, strlen (blah), f++) != 0 | |
99 | || f != fp + 1 | |
100 | || fread_unlocked (buf, 5.0, 0, --f) != 0 | |
101 | || f != fp | |
102 | || fread_unlocked (wp++, 16, 0.25, fp) != 0 | |
103 | || wp != buf + 1 | |
104 | || fread_unlocked (--wp, 0.25, 16, fp) != 0 | |
105 | || wp != buf | |
106 | || fread_unlocked (buf, 0, -0.0, fp) != 0 | |
107 | || ftello (fp) != 0 | |
108 | || memcmp (buf, " ", sizeof (buf)) != 0) | |
109 | { | |
110 | puts ("One of fread_unlocked tests failed"); | |
111 | exit (1); | |
112 | } | |
113 | ||
114 | if (fread_unlocked (buf, 1, strlen (blah) - 2, fp) != strlen (blah) - 2) | |
115 | { | |
116 | puts ("Could not read string from file"); | |
117 | exit (1); | |
118 | } | |
119 | ||
120 | if (getc_unlocked (fp) != 'A') | |
121 | { | |
122 | puts ("getc_unlocked failed"); | |
123 | exit (1); | |
124 | } | |
125 | ||
126 | f = fp; | |
127 | if (fgetc_unlocked (f++) != 'H' | |
128 | || f != fp + 1 | |
129 | || fgetc_unlocked (--f) != EOF | |
130 | || f != fp) | |
131 | { | |
132 | puts ("fgetc_unlocked failed"); | |
133 | exit (1); | |
134 | } | |
135 | ||
136 | if (ftello (fp) != (off_t) strlen (blah)) | |
137 | { | |
138 | printf ("Failed to read %zd bytes from temporary file", strlen (blah)); | |
139 | exit (1); | |
140 | } | |
141 | ||
142 | funlockfile (fp); | |
143 | fclose (fp); | |
144 | ||
145 | return 0; | |
146 | } | |
147 | ||
148 | static void | |
149 | do_prepare (void) | |
150 | { | |
151 | fd = create_temp_file ("tst-unlockedio.", NULL); | |
152 | if (fd == -1) | |
153 | { | |
154 | printf ("cannot create temporary file: %m\n"); | |
155 | exit (1); | |
156 | } | |
157 | } |