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6 | | - |
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9 | | - |
10 | | - |
11 | | - |
12 | | - |
13 | | - |
14 | | - |
15 | | - |
16 | | - |
17 | #include <config.h> | - |
18 | | - |
19 | | - |
20 | #include <stdio.h> | - |
21 | | - |
22 | #if HAVE___FPURGE /* glibc >= 2.2, Haiku, Solaris >= 7 */ | - |
23 | # include <stdio_ext.h> | - |
24 | #endif | - |
25 | #include <stdlib.h> | - |
26 | | - |
27 | #include "stdio-impl.h" | - |
28 | | - |
29 | int | - |
30 | fpurge (FILE *fp) | - |
31 | { | - |
32 | #if HAVE___FPURGE /* glibc >= 2.2, Haiku, Solaris >= 7, musl libc */ | - |
33 | | - |
34 | __fpurge (fp); | - |
35 | | - |
36 | return 0; never executed: return 0; | 0 |
37 | | - |
38 | #elif HAVE_FPURGE /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin 1.7 */ | - |
39 | | - |
40 | | - |
41 | # undef fpurge | - |
42 | # if !HAVE_DECL_FPURGE | - |
43 | extern int fpurge (FILE *); | - |
44 | # endif | - |
45 | int result = fpurge (fp); | - |
46 | # if defined __sferror || defined __DragonFly__ || defined __ANDROID__ | - |
47 | | - |
48 | if (result == 0) | - |
49 | | - |
50 | | - |
51 | | - |
52 | | - |
53 | | - |
54 | | - |
55 | if ((fp_->_flags & __SRD) != 0) | - |
56 | fp_->_w = 0; | - |
57 | # endif | - |
58 | return result; | - |
59 | | - |
60 | #else | - |
61 | | - |
62 | | - |
63 | | - |
64 | | - |
65 | # if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */ | - |
66 | fp->_IO_read_end = fp->_IO_read_ptr; | - |
67 | fp->_IO_write_ptr = fp->_IO_write_base; | - |
68 | | - |
69 | if (fp->_IO_save_base != NULL) | - |
70 | { | - |
71 | free (fp->_IO_save_base); | - |
72 | fp->_IO_save_base = NULL; | - |
73 | } | - |
74 | return 0; | - |
75 | # elif defined __sferror || defined __DragonFly__ || defined __ANDROID__ | - |
76 | | - |
77 | fp_->_p = fp_->_bf._base; | - |
78 | fp_->_r = 0; | - |
79 | fp_->_w = ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 | - |
80 | ? fp_->_bf._size | - |
81 | : 0); | - |
82 | | - |
83 | if (fp_ub._base != NULL) | - |
84 | { | - |
85 | if (fp_ub._base != fp_->_ubuf) | - |
86 | free (fp_ub._base); | - |
87 | fp_ub._base = NULL; | - |
88 | } | - |
89 | return 0; | - |
90 | # elif defined __EMX__ /* emx+gcc */ | - |
91 | fp->_ptr = fp->_buffer; | - |
92 | fp->_rcount = 0; | - |
93 | fp->_wcount = 0; | - |
94 | fp->_ungetc_count = 0; | - |
95 | return 0; | - |
96 | # elif defined __minix /* Minix */ | - |
97 | fp->_ptr = fp->_buf; | - |
98 | if (fp->_ptr != NULL) | - |
99 | fp->_count = 0; | - |
100 | return 0; | - |
101 | # elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, MSVC, NonStop Kernel, OpenVMS */ | - |
102 | fp_->_ptr = fp_->_base; | - |
103 | if (fp_->_ptr != NULL) | - |
104 | fp_->_cnt = 0; | - |
105 | return 0; | - |
106 | # elif defined __UCLIBC__ /* uClibc */ | - |
107 | # ifdef __STDIO_BUFFERS | - |
108 | if (fp->__modeflags & __FLAG_WRITING) | - |
109 | fp->__bufpos = fp->__bufstart; | - |
110 | else if (fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) | - |
111 | fp->__bufpos = fp->__bufread; | - |
112 | # endif | - |
113 | return 0; | - |
114 | # elif defined __QNX__ /* QNX */ | - |
115 | fp->_Rback = fp->_Back + sizeof (fp->_Back); | - |
116 | fp->_Rsave = NULL; | - |
117 | if (fp->_Mode & 0x2000 ) | - |
118 | | - |
119 | fp->_Next = fp->_Buf; | - |
120 | else | - |
121 | | - |
122 | fp->_Rend = fp->_Next; | - |
123 | return 0; | - |
124 | # elif defined __MINT__ /* Atari FreeMiNT */ | - |
125 | if (fp->__pushed_back) | - |
126 | { | - |
127 | fp->__bufp = fp->__pushback_bufp; | - |
128 | fp->__pushed_back = 0; | - |
129 | } | - |
130 | | - |
131 | if (fp->__target != -1) | - |
132 | fp->__target += fp->__bufp - fp->__buffer; | - |
133 | fp->__bufp = fp->__buffer; | - |
134 | | - |
135 | fp->__get_limit = fp->__bufp; | - |
136 | | - |
137 | fp->__put_limit = fp->__buffer; | - |
138 | return 0; | - |
139 | # elif defined EPLAN9 /* Plan9 */ | - |
140 | fp->rp = fp->wp = fp->lp = fp->buf; | - |
141 | return 0; | - |
142 | # else | - |
143 | # error "Please port gnulib fpurge.c to your platform! Look at the definitions of fflush, setvbuf and ungetc on your system, then report this to bug-gnulib." | - |
144 | # endif | - |
145 | | - |
146 | #endif | - |
147 | } | - |
| | |