This source file includes following definitions.
- freading
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 #include <config.h>
18
19
20 #include "freading.h"
21
22 #include "stdio-impl.h"
23
24
25
26 #if !(HAVE___FREADING && (!defined __GLIBC__ || defined __UCLIBC__ || __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)))
27
28 bool
29 freading (FILE *fp)
30 {
31
32
33
34 # if defined _IO_EOF_SEEN || defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1
35
36 return ((fp->_flags & _IO_NO_WRITES) != 0
37 || ((fp->_flags & (_IO_NO_READS | _IO_CURRENTLY_PUTTING)) == 0
38 && fp->_IO_read_base != NULL));
39 # elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
40
41 return (fp_->_flags & __SRD) != 0;
42 # elif defined __EMX__
43 return (fp->_flags & _IOREAD) != 0;
44 # elif defined __minix
45 return (fp->_flags & _IOREADING) != 0;
46 # elif defined _IOERR
47 # if defined __sun
48 return (fp_->_flag & _IOREAD) != 0 && (fp_->_flag & _IOWRT) == 0;
49 # else
50 return (fp_->_flag & _IOREAD) != 0;
51 # endif
52 # elif defined __UCLIBC__
53 return (fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) != 0;
54 # elif defined __QNX__
55 return ((fp->_Mode & 0x2 ) == 0
56 || (fp->_Mode & 0x1000 ) != 0);
57 # elif defined __MINT__
58 if (!fp->__mode.__write)
59 return 1;
60 if (!fp->__mode.__read)
61 return 0;
62 # ifdef _IO_CURRENTLY_GETTING
63 return (fp->__flags & _IO_CURRENTLY_GETTING) != 0;
64 # else
65 return (fp->__buffer < fp->__get_limit );
66 # endif
67 # elif defined EPLAN9
68 if (fp->state == 0 || fp->state == 4 )
69 return 0;
70 return (fp->state == 3 && (fp->bufl == 0 || fp->rp < fp->wp));
71 # else
72 # error "Please port gnulib freading.c to your platform!"
73 # endif
74 }
75
76 #endif