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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Martin Decky |
2 | * Copyright (c) 2005 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup libc |
29 | /** @addtogroup libc |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef LIBC_STDIO_H_ |
35 | #ifndef LIBC_STDIO_H_ |
36 | #define LIBC_STDIO_H_ |
36 | #define LIBC_STDIO_H_ |
37 | 37 | ||
38 | #include <sys/types.h> |
38 | #include <sys/types.h> |
39 | #include <stdarg.h> |
39 | #include <stdarg.h> |
40 | #include <adt/list.h> |
40 | #include <adt/list.h> |
41 | 41 | ||
42 | #define EOF (-1) |
42 | #define EOF (-1) |
43 | 43 | ||
- | 44 | /** Default size for stream I/O buffers */ |
|
- | 45 | #define BUFSIZ 4096 |
|
- | 46 | ||
44 | #define DEBUG(fmt, ...) \ |
47 | #define DEBUG(fmt, ...) \ |
45 | { \ |
48 | { \ |
46 | char buf[256]; \ |
49 | char buf[256]; \ |
47 | int n = snprintf(buf, sizeof(buf), fmt, ##__VA_ARGS__); \ |
50 | int n = snprintf(buf, sizeof(buf), fmt, ##__VA_ARGS__); \ |
48 | if (n > 0) \ |
51 | if (n > 0) \ |
49 | (void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, str_size(buf)); \ |
52 | (void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, str_size(buf)); \ |
50 | } |
53 | } |
51 | 54 | ||
52 | #ifndef SEEK_SET |
55 | #ifndef SEEK_SET |
53 | #define SEEK_SET 0 |
56 | #define SEEK_SET 0 |
54 | #define SEEK_CUR 1 |
57 | #define SEEK_CUR 1 |
55 | #define SEEK_END 2 |
58 | #define SEEK_END 2 |
56 | #endif |
59 | #endif |
57 | 60 | ||
- | 61 | enum _buffer_type { |
|
- | 62 | /** No buffering */ |
|
- | 63 | _IONBF, |
|
- | 64 | /** Line buffering */ |
|
- | 65 | _IOLBF, |
|
- | 66 | /** Full buffering */ |
|
- | 67 | _IOFBF |
|
- | 68 | }; |
|
- | 69 | ||
58 | typedef struct { |
70 | typedef struct { |
59 | /** Linked list pointer. */ |
71 | /** Linked list pointer. */ |
60 | link_t link; |
72 | link_t link; |
61 | 73 | ||
62 | /** Underlying file descriptor. */ |
74 | /** Underlying file descriptor. */ |
63 | int fd; |
75 | int fd; |
64 | 76 | ||
65 | /** Error indicator. */ |
77 | /** Error indicator. */ |
66 | int error; |
78 | int error; |
67 | 79 | ||
68 | /** End-of-file indicator. */ |
80 | /** End-of-file indicator. */ |
69 | int eof; |
81 | int eof; |
70 | 82 | ||
71 | /** Klog indicator */ |
83 | /** Klog indicator */ |
72 | int klog; |
84 | int klog; |
73 | 85 | ||
74 | /** Phone to the file provider */ |
86 | /** Phone to the file provider */ |
75 | int phone; |
87 | int phone; |
- | 88 | ||
- | 89 | /** Buffering type */ |
|
- | 90 | enum _buffer_type btype; |
|
- | 91 | /** Buffer */ |
|
- | 92 | uint8_t *buf; |
|
- | 93 | /** Buffer size */ |
|
- | 94 | size_t buf_size; |
|
- | 95 | /** Buffer I/O pointer */ |
|
- | 96 | uint8_t *buf_head; |
|
76 | } FILE; |
97 | } FILE; |
77 | 98 | ||
78 | extern FILE *stdin; |
99 | extern FILE *stdin; |
79 | extern FILE *stdout; |
100 | extern FILE *stdout; |
80 | extern FILE *stderr; |
101 | extern FILE *stderr; |
81 | 102 | ||
82 | /* Character and string input functions */ |
103 | /* Character and string input functions */ |
83 | extern int fgetc(FILE *); |
104 | extern int fgetc(FILE *); |
84 | extern char *fgets(char *, size_t, FILE *); |
105 | extern char *fgets(char *, size_t, FILE *); |
85 | 106 | ||
86 | extern int getchar(void); |
107 | extern int getchar(void); |
87 | extern char *gets(char *, size_t); |
108 | extern char *gets(char *, size_t); |
88 | 109 | ||
89 | /* Character and string output functions */ |
110 | /* Character and string output functions */ |
90 | extern int fputc(wchar_t, FILE *); |
111 | extern int fputc(wchar_t, FILE *); |
91 | extern int fputs(const char *, FILE *); |
112 | extern int fputs(const char *, FILE *); |
92 | 113 | ||
93 | extern int putchar(wchar_t); |
114 | extern int putchar(wchar_t); |
94 | extern int puts(const char *); |
115 | extern int puts(const char *); |
95 | 116 | ||
96 | /* Formatted string output functions */ |
117 | /* Formatted string output functions */ |
97 | extern int fprintf(FILE *, const char*, ...); |
118 | extern int fprintf(FILE *, const char*, ...); |
98 | extern int vfprintf(FILE *, const char *, va_list); |
119 | extern int vfprintf(FILE *, const char *, va_list); |
99 | 120 | ||
100 | extern int printf(const char *, ...); |
121 | extern int printf(const char *, ...); |
101 | extern int vprintf(const char *, va_list); |
122 | extern int vprintf(const char *, va_list); |
102 | 123 | ||
103 | extern int snprintf(char *, size_t , const char *, ...); |
124 | extern int snprintf(char *, size_t , const char *, ...); |
104 | extern int asprintf(char **, const char *, ...); |
125 | extern int asprintf(char **, const char *, ...); |
105 | extern int vsnprintf(char *, size_t, const char *, va_list); |
126 | extern int vsnprintf(char *, size_t, const char *, va_list); |
106 | 127 | ||
107 | /* File stream functions */ |
128 | /* File stream functions */ |
108 | extern FILE *fopen(const char *, const char *); |
129 | extern FILE *fopen(const char *, const char *); |
109 | extern FILE *fdopen(int, const char *); |
130 | extern FILE *fdopen(int, const char *); |
110 | extern int fclose(FILE *); |
131 | extern int fclose(FILE *); |
111 | 132 | ||
112 | extern size_t fread(void *, size_t, size_t, FILE *); |
133 | extern size_t fread(void *, size_t, size_t, FILE *); |
113 | extern size_t fwrite(const void *, size_t, size_t, FILE *); |
134 | extern size_t fwrite(const void *, size_t, size_t, FILE *); |
114 | 135 | ||
115 | extern int fseek(FILE *, long, int); |
136 | extern int fseek(FILE *, long, int); |
116 | extern void rewind(FILE *); |
137 | extern void rewind(FILE *); |
117 | extern int ftell(FILE *); |
138 | extern int ftell(FILE *); |
118 | extern int feof(FILE *); |
139 | extern int feof(FILE *); |
119 | 140 | ||
120 | extern int fflush(FILE *); |
141 | extern int fflush(FILE *); |
121 | extern int ferror(FILE *); |
142 | extern int ferror(FILE *); |
122 | extern void clearerr(FILE *); |
143 | extern void clearerr(FILE *); |
123 | 144 | ||
- | 145 | extern void setvbuf(FILE *, void *, int, size_t); |
|
- | 146 | ||
124 | /* Misc file functions */ |
147 | /* Misc file functions */ |
125 | extern int rename(const char *, const char *); |
148 | extern int rename(const char *, const char *); |
126 | 149 | ||
127 | #endif |
150 | #endif |
128 | 151 | ||
129 | /** @} |
152 | /** @} |
130 | */ |
153 | */ |
131 | 154 |