Line | Source | Count |
1 | | - |
2 | | - |
3 | | - |
4 | | - |
5 | | - |
6 | | - |
7 | | - |
8 | | - |
9 | | - |
10 | | - |
11 | | - |
12 | | - |
13 | | - |
14 | | - |
15 | | - |
16 | | - |
17 | #include <config.h> | - |
18 | | - |
19 | | - |
20 | #include <stdio.h> | - |
21 | | - |
22 | | - |
23 | #include <unistd.h> | - |
24 | | - |
25 | #include "stdio-impl.h" | - |
26 | | - |
27 | int | - |
28 | fseeko (FILE *fp, off_t offset, int whence) | - |
29 | #undef fseeko | - |
30 | #if !HAVE_FSEEKO | - |
31 | # undef fseek | - |
32 | # define fseeko fseek | - |
33 | #endif | - |
34 | #if _GL_WINDOWS_64_BIT_OFF_T | - |
35 | # undef fseeko | - |
36 | # if HAVE__FSEEKI64 /* msvc, mingw64 */ | - |
37 | # define fseeko _fseeki64 | - |
38 | # else /* mingw */ | - |
39 | # define fseeko fseeko64 | - |
40 | # endif | - |
41 | #endif | - |
42 | { | - |
43 | #if LSEEK_PIPE_BROKEN | - |
44 | | - |
45 | if (lseek (fileno (fp), 0, SEEK_CUR) == -1) | - |
46 | return EOF; | - |
47 | #endif | - |
48 | | - |
49 | | - |
50 | #if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */ | - |
51 | if (fp->_IO_read_end == fp->_IO_read_ptrTRUE | evaluated 2 times by 1 test | FALSE | evaluated 2 times by 1 test |
| 2 |
52 | && fp->_IO_write_ptr == fp->_IO_write_baseTRUE | evaluated 2 times by 1 test | FALSE | never evaluated |
| 0-2 |
53 | && fp->_IO_save_base == NULL)TRUE | evaluated 2 times by 1 test | FALSE | never evaluated |
| 0-2 |
54 | #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__ | - |
55 | | - |
56 | # if defined __SL64 && defined __SCLE /* Cygwin */ | - |
57 | if ((fp->_flags & __SL64) == 0) | - |
58 | { | - |
59 | | - |
60 | | - |
61 | FILE *tmp = fopen ("/dev/null", "r"); | - |
62 | if (!tmp) | - |
63 | return -1; | - |
64 | fp->_flags |= __SL64; | - |
65 | fp->_seek64 = tmp->_seek64; | - |
66 | fclose (tmp); | - |
67 | } | - |
68 | # endif | - |
69 | if (fp_->_p == fp_->_bf._base | - |
70 | && fp_->_r == 0 | - |
71 | && fp_->_w == ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 | - |
72 | ? fp_->_bf._size | - |
73 | : 0) | - |
74 | && fp_ub._base == NULL) | - |
75 | #elif defined __EMX__ /* emx+gcc */ | - |
76 | if (fp->_ptr == fp->_buffer | - |
77 | && fp->_rcount == 0 | - |
78 | && fp->_wcount == 0 | - |
79 | && fp->_ungetc_count == 0) | - |
80 | #elif defined __minix /* Minix */ | - |
81 | if (fp_->_ptr == fp_->_buf | - |
82 | && (fp_->_ptr == NULL || fp_->_count == 0)) | - |
83 | #elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, MSVC, NonStop Kernel, OpenVMS */ | - |
84 | if (fp_->_ptr == fp_->_base | - |
85 | && (fp_->_ptr == NULL || fp_->_cnt == 0)) | - |
86 | #elif defined __UCLIBC__ /* uClibc */ | - |
87 | if (((fp->__modeflags & __FLAG_WRITING) == 0 | - |
88 | || fp->__bufpos == fp->__bufstart) | - |
89 | && ((fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) == 0 | - |
90 | || fp->__bufpos == fp->__bufread)) | - |
91 | #elif defined __QNX__ /* QNX */ | - |
92 | if ((fp->_Mode & 0x2000 ? fp->_Next == fp->_Buf : fp->_Next == fp->_Rend) | - |
93 | && fp->_Rback == fp->_Back + sizeof (fp->_Back) | - |
94 | && fp->_Rsave == NULL) | - |
95 | #elif defined __MINT__ /* Atari FreeMiNT */ | - |
96 | if (fp->__bufp == fp->__buffer | - |
97 | && fp->__get_limit == fp->__bufp | - |
98 | && fp->__put_limit == fp->__bufp | - |
99 | && !fp->__pushed_back) | - |
100 | #elif defined EPLAN9 /* Plan9 */ | - |
101 | if (fp->rp == fp->buf | - |
102 | && fp->wp == fp->buf) | - |
103 | #elif FUNC_FFLUSH_STDIN < 0 && 200809 <= _POSIX_VERSION | - |
104 | | - |
105 | | - |
106 | | - |
107 | | - |
108 | if (0) | - |
109 | #else | - |
110 | #error "Please port gnulib fseeko.c to your platform! Look at the code in fseeko.c, then report this to bug-gnulib." | - |
111 | #endif | - |
112 | { | - |
113 | | - |
114 | | - |
115 | | - |
116 | off_t pos = lseek (fileno (fp), offset, whence); | - |
117 | if (pos == -1)TRUE | never evaluated | FALSE | evaluated 2 times by 1 test |
| 0-2 |
118 | { | - |
119 | #if defined __sferror || defined __DragonFly__ || defined __ANDROID__ | - |
120 | | - |
121 | fp_->_flags &= ~__SOFF; | - |
122 | #endif | - |
123 | return -1; never executed: return -1; | 0 |
124 | } | - |
125 | | - |
126 | #if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */ | - |
127 | fp->_flags &= ~_IO_EOF_SEEN; | - |
128 | fp->_offset = pos; | - |
129 | #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__ | - |
130 | | - |
131 | # if defined __CYGWIN__ || (defined __NetBSD__ && __NetBSD_Version__ >= 600000000) || defined __minix | - |
132 | | - |
133 | fp_->_offset = pos; | - |
134 | # else | - |
135 | | - |
136 | { | - |
137 | | - |
138 | | - |
139 | | - |
140 | union | - |
141 | { | - |
142 | fpos_t f; | - |
143 | off_t o; | - |
144 | } u; | - |
145 | u.o = pos; | - |
146 | fp_->_offset = u.f; | - |
147 | } | - |
148 | # endif | - |
149 | fp_->_flags |= __SOFF; | - |
150 | fp_->_flags &= ~__SEOF; | - |
151 | #elif defined __EMX__ /* emx+gcc */ | - |
152 | fp->_flags &= ~_IOEOF; | - |
153 | #elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, MSVC, NonStop Kernel, OpenVMS */ | - |
154 | fp_->_flag &= ~_IOEOF; | - |
155 | #elif defined __MINT__ /* Atari FreeMiNT */ | - |
156 | fp->__offset = pos; | - |
157 | fp->__eof = 0; | - |
158 | #endif | - |
159 | return 0;executed 2 times by 1 test: return 0; | 2 |
160 | } | - |
161 | return fseeko (fp, offset, whence);executed 2 times by 1 test: return fseeko (fp, offset, whence); | 2 |
162 | } | - |
| | |