Line | Source | Count |
1 | | - |
2 | | - |
3 | | - |
4 | | - |
5 | | - |
6 | | - |
7 | | - |
8 | | - |
9 | | - |
10 | | - |
11 | | - |
12 | | - |
13 | | - |
14 | | - |
15 | | - |
16 | | - |
17 | | - |
18 | | - |
19 | | - |
20 | | - |
21 | #include <config.h> | - |
22 | | - |
23 | #include "stdc.h" | - |
24 | | - |
25 | #include <stdio.h> | - |
26 | | - |
27 | | - |
28 | #define NEED_FPURGE_DECL | - |
29 | #if HAVE_FPURGE | - |
30 | # define fpurge _bash_fpurge | - |
31 | #endif | - |
32 | extern int fpurge __P((FILE *stream)); | - |
33 | | - |
34 | #if HAVE___FPURGE /* glibc >= 2.2, Haiku, Solaris >= 7 */ | - |
35 | # include <stdio_ext.h> | - |
36 | #endif | - |
37 | #include <stdlib.h> | - |
38 | | - |
39 | | - |
40 | | - |
41 | | - |
42 | | - |
43 | | - |
44 | | - |
45 | | - |
46 | | - |
47 | #if defined __NetBSD__ /* NetBSD */ | - |
48 | | - |
49 | # include <sys/param.h> | - |
50 | #endif | - |
51 | | - |
52 | #if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ | - |
53 | | - |
54 | # if defined __DragonFly__ /* DragonFly */ | - |
55 | | - |
56 | # define fp_ ((struct { struct __FILE_public pub; \ | - |
57 | struct { unsigned char *_base; int _size; } _bf; \ | - |
58 | void *cookie; \ | - |
59 | void *_close; \ | - |
60 | void *_read; \ | - |
61 | void *_seek; \ | - |
62 | void *_write; \ | - |
63 | struct { unsigned char *_base; int _size; } _ub; \ | - |
64 | int _ur; \ | - |
65 | unsigned char _ubuf[3]; \ | - |
66 | unsigned char _nbuf[1]; \ | - |
67 | struct { unsigned char *_base; int _size; } _lb; \ | - |
68 | int _blksize; \ | - |
69 | fpos_t _offset; \ | - |
70 | /* More fields, not relevant here. */ \ | - |
71 | } *) fp) | - |
72 | | - |
73 | # define _p pub._p | - |
74 | # define _flags pub._flags | - |
75 | # define _r pub._r | - |
76 | # define _w pub._w | - |
77 | # else | - |
78 | # define fp_ fp | - |
79 | # endif | - |
80 | | - |
81 | # if (defined __NetBSD__ && __NetBSD_Version__ >= 105270000) || defined __OpenBSD__ /* NetBSD >= 1.5ZA, OpenBSD */ | - |
82 | | - |
83 | | - |
84 | struct __sfileext | - |
85 | { | - |
86 | struct __sbuf _ub; | - |
87 | | - |
88 | }; | - |
89 | # define fp_ub ((struct __sfileext *) fp->_ext._base)->_ub | - |
90 | # else /* FreeBSD, NetBSD <= 1.5Z, DragonFly, MacOS X, Cygwin */ | - |
91 | # define fp_ub fp_->_ub | - |
92 | # endif | - |
93 | | - |
94 | # define HASUB(fp) (fp_ub._base != NULL) | - |
95 | | - |
96 | #endif | - |
97 | | - |
98 | | - |
99 | | - |
100 | #if defined _IOERR | - |
101 | | - |
102 | # if defined __sun && defined _LP64 /* Solaris/{SPARC,AMD64} 64-bit */ | - |
103 | # define fp_ ((struct { unsigned char *_ptr; \ | - |
104 | unsigned char *_base; \ | - |
105 | unsigned char *_end; \ | - |
106 | long _cnt; \ | - |
107 | int _file; \ | - |
108 | unsigned int _flag; \ | - |
109 | } *) fp) | - |
110 | # else | - |
111 | # define fp_ fp | - |
112 | # endif | - |
113 | | - |
114 | # if defined _SCO_DS /* OpenServer */ | - |
115 | # define _cnt __cnt | - |
116 | # define _ptr __ptr | - |
117 | # define _base __base | - |
118 | # define _flag __flag | - |
119 | # endif | - |
120 | | - |
121 | #endif | - |
122 | | - |
123 | int | - |
124 | fpurge (FILE *fp) | - |
125 | { | - |
126 | #if HAVE___FPURGE /* glibc >= 2.2, Haiku, Solaris >= 7 */ | - |
127 | | - |
128 | __fpurge (fp); | - |
129 | | - |
130 | return 0;executed 34695392 times by 1 test: return 0; | 34695392 |
131 | | - |
132 | #elif HAVE_FPURGE /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin 1.7 */ | - |
133 | | - |
134 | | - |
135 | # undef fpurge | - |
136 | # if !HAVE_DECL_FPURGE | - |
137 | extern int fpurge (FILE *); | - |
138 | # endif | - |
139 | int result = fpurge (fp); | - |
140 | # if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ | - |
141 | if (result == 0) | - |
142 | | - |
143 | | - |
144 | | - |
145 | | - |
146 | | - |
147 | | - |
148 | if ((fp_->_flags & __SRD) != 0) | - |
149 | fp_->_w = 0; | - |
150 | # endif | - |
151 | return result; | - |
152 | | - |
153 | #else | - |
154 | | - |
155 | | - |
156 | | - |
157 | | - |
158 | # if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */ | - |
159 | fp->_IO_read_end = fp->_IO_read_ptr; | - |
160 | fp->_IO_write_ptr = fp->_IO_write_base; | - |
161 | | - |
162 | if (fp->_IO_save_base != NULL) | - |
163 | { | - |
164 | free (fp->_IO_save_base); | - |
165 | fp->_IO_save_base = NULL; | - |
166 | } | - |
167 | return 0; | - |
168 | # elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ | - |
169 | fp_->_p = fp_->_bf._base; | - |
170 | fp_->_r = 0; | - |
171 | fp_->_w = ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 | - |
172 | ? fp_->_bf._size | - |
173 | : 0); | - |
174 | | - |
175 | if (fp_ub._base != NULL) | - |
176 | { | - |
177 | if (fp_ub._base != fp_->_ubuf) | - |
178 | free (fp_ub._base); | - |
179 | fp_ub._base = NULL; | - |
180 | } | - |
181 | return 0; | - |
182 | # elif defined __EMX__ /* emx+gcc */ | - |
183 | fp->_ptr = fp->_buffer; | - |
184 | fp->_rcount = 0; | - |
185 | fp->_wcount = 0; | - |
186 | fp->_ungetc_count = 0; | - |
187 | return 0; | - |
188 | # elif defined _IOERR || defined __TANDEM /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */ | - |
189 | fp->_ptr = fp->_base; | - |
190 | if (fp->_ptr != NULL) | - |
191 | fp->_cnt = 0; | - |
192 | return 0; | - |
193 | # elif defined __UCLIBC__ /* uClibc */ | - |
194 | # ifdef __STDIO_BUFFERS | - |
195 | if (fp->__modeflags & __FLAG_WRITING) | - |
196 | fp->__bufpos = fp->__bufstart; | - |
197 | else if (fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) | - |
198 | fp->__bufpos = fp->__bufread; | - |
199 | # endif | - |
200 | return 0; | - |
201 | # elif defined __QNX__ /* QNX */ | - |
202 | fp->_Rback = fp->_Back + sizeof (fp->_Back); | - |
203 | fp->_Rsave = NULL; | - |
204 | if (fp->_Mode & 0x2000 ) | - |
205 | | - |
206 | fp->_Next = fp->_Buf; | - |
207 | else | - |
208 | | - |
209 | fp->_Rend = fp->_Next; | - |
210 | return 0; | - |
211 | # elif defined __MINT__ /* Atari FreeMiNT */ | - |
212 | if (fp->__pushed_back) | - |
213 | { | - |
214 | fp->__bufp = fp->__pushback_bufp; | - |
215 | fp->__pushed_back = 0; | - |
216 | } | - |
217 | | - |
218 | if (fp->__target != -1) | - |
219 | fp->__target += fp->__bufp - fp->__buffer; | - |
220 | fp->__bufp = fp->__buffer; | - |
221 | | - |
222 | fp->__get_limit = fp->__bufp; | - |
223 | | - |
224 | fp->__put_limit = fp->__buffer; | - |
225 | return 0; | - |
226 | # else | - |
227 | # warning "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." | - |
228 | return 0; | - |
229 | # endif | - |
230 | | - |
231 | #endif | - |
232 | } | - |
| | |