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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 <string.h> |
40 | #include <string.h> |
41 | #include <adt/list.h> |
41 | #include <adt/list.h> |
42 | 42 | ||
43 | #define EOF (-1) |
43 | #define EOF (-1) |
44 | 44 | ||
45 | /** Default size for stream I/O buffers */ |
45 | /** Default size for stream I/O buffers */ |
46 | #define BUFSIZ 4096 |
46 | #define BUFSIZ 4096 |
47 | 47 | ||
48 | #define DEBUG(fmt, ...) \ |
48 | #define DEBUG(fmt, ...) \ |
49 | { \ |
49 | { \ |
50 | char _buf[256]; \ |
50 | char _buf[256]; \ |
51 | int _n = snprintf(_buf, sizeof(_buf), fmt, ##__VA_ARGS__); \ |
51 | int _n = snprintf(_buf, sizeof(_buf), fmt, ##__VA_ARGS__); \ |
52 | if (_n > 0) \ |
52 | if (_n > 0) \ |
53 | (void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) _buf, str_size(_buf)); \ |
53 | (void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) _buf, str_size(_buf)); \ |
54 | } |
54 | } |
55 | 55 | ||
56 | #ifndef SEEK_SET |
56 | #ifndef SEEK_SET |
57 | #define SEEK_SET 0 |
57 | #define SEEK_SET 0 |
58 | #define SEEK_CUR 1 |
58 | #define SEEK_CUR 1 |
59 | #define SEEK_END 2 |
59 | #define SEEK_END 2 |
60 | #endif |
60 | #endif |
61 | 61 | ||
62 | enum _buffer_type { |
62 | enum _buffer_type { |
63 | /** No buffering */ |
63 | /** No buffering */ |
64 | _IONBF, |
64 | _IONBF, |
65 | /** Line buffering */ |
65 | /** Line buffering */ |
66 | _IOLBF, |
66 | _IOLBF, |
67 | /** Full buffering */ |
67 | /** Full buffering */ |
68 | _IOFBF |
68 | _IOFBF |
69 | }; |
69 | }; |
70 | 70 | ||
71 | typedef struct { |
71 | typedef struct { |
72 | /** Linked list pointer. */ |
72 | /** Linked list pointer. */ |
73 | link_t link; |
73 | link_t link; |
74 | 74 | ||
75 | /** Underlying file descriptor. */ |
75 | /** Underlying file descriptor. */ |
76 | int fd; |
76 | int fd; |
77 | 77 | ||
78 | /** Error indicator. */ |
78 | /** Error indicator. */ |
79 | int error; |
79 | int error; |
80 | 80 | ||
81 | /** End-of-file indicator. */ |
81 | /** End-of-file indicator. */ |
82 | int eof; |
82 | int eof; |
83 | 83 | ||
84 | /** Klog indicator */ |
84 | /** Klog indicator */ |
85 | int klog; |
85 | int klog; |
86 | 86 | ||
87 | /** Phone to the file provider */ |
87 | /** Phone to the file provider */ |
88 | int phone; |
88 | int phone; |
89 | 89 | ||
90 | /** Buffering type */ |
90 | /** Buffering type */ |
91 | enum _buffer_type btype; |
91 | enum _buffer_type btype; |
92 | /** Buffer */ |
92 | /** Buffer */ |
93 | uint8_t *buf; |
93 | uint8_t *buf; |
94 | /** Buffer size */ |
94 | /** Buffer size */ |
95 | size_t buf_size; |
95 | size_t buf_size; |
96 | /** Buffer I/O pointer */ |
96 | /** Buffer I/O pointer */ |
97 | uint8_t *buf_head; |
97 | uint8_t *buf_head; |
98 | } FILE; |
98 | } FILE; |
99 | 99 | ||
100 | extern FILE *stdin; |
100 | extern FILE *stdin; |
101 | extern FILE *stdout; |
101 | extern FILE *stdout; |
102 | extern FILE *stderr; |
102 | extern FILE *stderr; |
103 | 103 | ||
104 | /* Character and string input functions */ |
104 | /* Character and string input functions */ |
105 | extern int fgetc(FILE *); |
105 | extern int fgetc(FILE *); |
106 | extern char *fgets(char *, size_t, FILE *); |
106 | extern char *fgets(char *, size_t, FILE *); |
107 | 107 | ||
108 | extern int getchar(void); |
108 | extern int getchar(void); |
109 | extern char *gets(char *, size_t); |
109 | extern char *gets(char *, size_t); |
110 | 110 | ||
111 | /* Character and string output functions */ |
111 | /* Character and string output functions */ |
112 | extern int fputc(wchar_t, FILE *); |
112 | extern int fputc(wchar_t, FILE *); |
113 | extern int fputs(const char *, FILE *); |
113 | extern int fputs(const char *, FILE *); |
114 | 114 | ||
115 | extern int putchar(wchar_t); |
115 | extern int putchar(wchar_t); |
116 | extern int puts(const char *); |
116 | extern int puts(const char *); |
117 | 117 | ||
118 | /* Formatted string output functions */ |
118 | /* Formatted string output functions */ |
119 | extern int fprintf(FILE *, const char*, ...); |
119 | extern int fprintf(FILE *, const char*, ...); |
120 | extern int vfprintf(FILE *, const char *, va_list); |
120 | extern int vfprintf(FILE *, const char *, va_list); |
121 | 121 | ||
122 | extern int printf(const char *, ...); |
122 | extern int printf(const char *, ...); |
123 | extern int vprintf(const char *, va_list); |
123 | extern int vprintf(const char *, va_list); |
124 | 124 | ||
125 | extern int snprintf(char *, size_t , const char *, ...); |
125 | extern int snprintf(char *, size_t , const char *, ...); |
126 | extern int asprintf(char **, const char *, ...); |
126 | extern int asprintf(char **, const char *, ...); |
127 | extern int vsnprintf(char *, size_t, const char *, va_list); |
127 | extern int vsnprintf(char *, size_t, const char *, va_list); |
128 | 128 | ||
129 | /* File stream functions */ |
129 | /* File stream functions */ |
130 | extern FILE *fopen(const char *, const char *); |
130 | extern FILE *fopen(const char *, const char *); |
131 | extern FILE *fdopen(int, const char *); |
131 | extern FILE *fdopen(int, const char *); |
132 | extern int fclose(FILE *); |
132 | extern int fclose(FILE *); |
133 | 133 | ||
134 | extern size_t fread(void *, size_t, size_t, FILE *); |
134 | extern size_t fread(void *, size_t, size_t, FILE *); |
135 | extern size_t fwrite(const void *, size_t, size_t, FILE *); |
135 | extern size_t fwrite(const void *, size_t, size_t, FILE *); |
136 | 136 | ||
137 | extern int fseek(FILE *, long, int); |
137 | extern int fseek(FILE *, long, int); |
138 | extern void rewind(FILE *); |
138 | extern void rewind(FILE *); |
139 | extern int ftell(FILE *); |
139 | extern int ftell(FILE *); |
140 | extern int feof(FILE *); |
140 | extern int feof(FILE *); |
141 | 141 | ||
142 | extern int fflush(FILE *); |
142 | extern int fflush(FILE *); |
143 | extern int ferror(FILE *); |
143 | extern int ferror(FILE *); |
144 | extern void clearerr(FILE *); |
144 | extern void clearerr(FILE *); |
145 | 145 | ||
146 | extern void setvbuf(FILE *, void *, int, size_t); |
146 | extern void setvbuf(FILE *, void *, int, size_t); |
147 | 147 | ||
148 | /* Misc file functions */ |
148 | /* Misc file functions */ |
149 | extern int rename(const char *, const char *); |
149 | extern int rename(const char *, const char *); |
150 | 150 | ||
151 | #endif |
151 | #endif |
152 | 152 | ||
153 | /** @} |
153 | /** @} |
154 | */ |
154 | */ |
155 | 155 |