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 "freadptr.h" | - |
21 | | - |
22 | #include <stdlib.h> | - |
23 | | - |
24 | #include "stdio-impl.h" | - |
25 | | - |
26 | const char * | - |
27 | freadptr (FILE *fp, size_t *sizep) | - |
28 | { | - |
29 | size_t size; | - |
30 | | - |
31 | | - |
32 | #if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */ | - |
33 | if (fp->_IO_write_ptr > fp->_IO_write_base)TRUE | never evaluated | FALSE | evaluated 281 times by 1 test |
| 0-281 |
34 | return NULL; never executed: return ((void *)0) ; | 0 |
35 | size = fp->_IO_read_end - fp->_IO_read_ptr; | - |
36 | if (size == 0)TRUE | evaluated 61 times by 1 test | FALSE | evaluated 220 times by 1 test |
| 61-220 |
37 | return NULL;executed 61 times by 1 test: return ((void *)0) ; | 61 |
38 | *sizep = size; | - |
39 | return (const char *) fp->_IO_read_ptr;executed 220 times by 1 test: return (const char *) fp->_IO_read_ptr; | 220 |
40 | #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__ | - |
41 | | - |
42 | if ((fp_->_flags & __SWR) != 0 || fp_->_r < 0) | - |
43 | return NULL; | - |
44 | size = fp_->_r; | - |
45 | if (size == 0) | - |
46 | return NULL; | - |
47 | *sizep = size; | - |
48 | return (const char *) fp_->_p; | - |
49 | #elif defined __EMX__ /* emx+gcc */ | - |
50 | if ((fp->_flags & _IOWRT) != 0) | - |
51 | return NULL; | - |
52 | | - |
53 | | - |
54 | if (fp->_rcount <= 0) | - |
55 | return NULL; | - |
56 | if (!(fp->_ungetc_count == 0)) | - |
57 | abort (); | - |
58 | *sizep = fp->_rcount; | - |
59 | return fp->_ptr; | - |
60 | #elif defined __minix /* Minix */ | - |
61 | if ((fp_->_flags & _IOWRITING) != 0) | - |
62 | return NULL; | - |
63 | size = fp_->_count; | - |
64 | if (size == 0) | - |
65 | return NULL; | - |
66 | *sizep = size; | - |
67 | return (const char *) fp_->_ptr; | - |
68 | #elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, MSVC, NonStop Kernel, OpenVMS */ | - |
69 | if ((fp_->_flag & _IOWRT) != 0) | - |
70 | return NULL; | - |
71 | size = fp_->_cnt; | - |
72 | if (size == 0) | - |
73 | return NULL; | - |
74 | *sizep = size; | - |
75 | return (const char *) fp_->_ptr; | - |
76 | #elif defined __UCLIBC__ /* uClibc */ | - |
77 | # ifdef __STDIO_BUFFERS | - |
78 | if (fp->__modeflags & __FLAG_WRITING) | - |
79 | return NULL; | - |
80 | if (fp->__modeflags & __FLAG_UNGOT) | - |
81 | return NULL; | - |
82 | size = fp->__bufread - fp->__bufpos; | - |
83 | if (size == 0) | - |
84 | return NULL; | - |
85 | *sizep = size; | - |
86 | return (const char *) fp->__bufpos; | - |
87 | # else | - |
88 | return NULL; | - |
89 | # endif | - |
90 | #elif defined __QNX__ /* QNX */ | - |
91 | if ((fp->_Mode & 0x2000 ) != 0) | - |
92 | return NULL; | - |
93 | | - |
94 | size = fp->_Rend - fp->_Next; | - |
95 | if (size == 0) | - |
96 | return NULL; | - |
97 | *sizep = size; | - |
98 | return (const char *) fp->_Next; | - |
99 | #elif defined __MINT__ /* Atari FreeMiNT */ | - |
100 | if (!fp->__mode.__read) | - |
101 | return NULL; | - |
102 | size = fp->__get_limit - fp->__bufp; | - |
103 | if (size == 0) | - |
104 | return NULL; | - |
105 | *sizep = size; | - |
106 | return fp->__bufp; | - |
107 | #elif defined EPLAN9 /* Plan9 */ | - |
108 | if (fp->state == 4 ) | - |
109 | return NULL; | - |
110 | if (fp->rp >= fp->wp) | - |
111 | return NULL; | - |
112 | *sizep = fp->wp - fp->rp; | - |
113 | return fp->rp; | - |
114 | #elif defined SLOW_BUT_NO_HACKS /* users can define this */ | - |
115 | | - |
116 | | - |
117 | return NULL; | - |
118 | #else | - |
119 | #error "Please port gnulib freadptr.c to your platform! Look at the definition of fflush, fread, getc, getc_unlocked on your system, then report this to bug-gnulib." | - |
120 | #endif | - |
121 | } | - |
| | |