source: mainline/uspace/lib/c/include/stdio.h@ 1d0d06a

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 1d0d06a was 1d0d06a, checked in by Martin Decky <martin@…>, 15 years ago

fix typo (thx Jiri Kavalik)
  • Property mode set to 100644
File size: 4.4 KB
Line 
1/*
2 * Copyright (c) 2005 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
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
15 * derived from this software without specific prior written permission.
16 *
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
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libc
30 * @{
31 */
32/** @file
33 */
34
35#ifndef LIBC_STDIO_H_
36#define LIBC_STDIO_H_
37
38#include <sys/types.h>
39#include <stdarg.h>
40#include <str.h>
41#include <adt/list.h>
42
43#define EOF (-1)
44
45/** Default size for stream I/O buffers */
46#define BUFSIZ 4096
47
48#define DEBUG(fmt, ...) \
49 { \
50 char _buf[256]; \
51 int _n = snprintf(_buf, sizeof(_buf), fmt, ##__VA_ARGS__); \
52 if (_n > 0) \
53 (void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) _buf, str_size(_buf)); \
54 }
55
56#ifndef SEEK_SET
57 #define SEEK_SET 0
58#endif
59
60#ifndef SEEK_CUR
61 #define SEEK_CUR 1
62#endif
63
64#ifndef SEEK_END
65 #define SEEK_END 2
66#endif
67
68enum _buffer_type {
69 /** No buffering */
70 _IONBF,
71 /** Line buffering */
72 _IOLBF,
73 /** Full buffering */
74 _IOFBF
75};
76
77enum _buffer_state {
78 /** Buffer is empty */
79 _bs_empty,
80
81 /** Buffer contains data to be written */
82 _bs_write,
83
84 /** Buffer contains prefetched data for reading */
85 _bs_read
86};
87
88typedef struct {
89 /** Linked list pointer. */
90 link_t link;
91
92 /** Underlying file descriptor. */
93 int fd;
94
95 /** Error indicator. */
96 int error;
97
98 /** End-of-file indicator. */
99 int eof;
100
101 /** Klog indicator */
102 int klog;
103
104 /** Phone to the file provider */
105 int phone;
106
107 /**
108 * Non-zero if the stream needs sync on fflush(). XXX change
109 * console semantics so that sync is not needed.
110 */
111 int need_sync;
112
113 /** Buffering type */
114 enum _buffer_type btype;
115
116 /** Buffer */
117 uint8_t *buf;
118
119 /** Buffer size */
120 size_t buf_size;
121
122 /** Buffer state */
123 enum _buffer_state buf_state;
124
125 /** Buffer I/O pointer */
126 uint8_t *buf_head;
127
128 /** Points to end of occupied space when in read mode. */
129 uint8_t *buf_tail;
130} FILE;
131
132extern FILE *stdin;
133extern FILE *stdout;
134extern FILE *stderr;
135
136/* Character and string input functions */
137extern int fgetc(FILE *);
138extern char *fgets(char *, int, FILE *);
139
140extern int getchar(void);
141extern char *gets(char *, size_t);
142
143/* Character and string output functions */
144extern int fputc(wchar_t, FILE *);
145extern int fputs(const char *, FILE *);
146
147extern int putchar(wchar_t);
148extern int puts(const char *);
149
150/* Formatted string output functions */
151extern int fprintf(FILE *, const char*, ...);
152extern int vfprintf(FILE *, const char *, va_list);
153
154extern int printf(const char *, ...);
155extern int vprintf(const char *, va_list);
156
157extern int snprintf(char *, size_t , const char *, ...);
158extern int asprintf(char **, const char *, ...);
159extern int vsnprintf(char *, size_t, const char *, va_list);
160
161/* File stream functions */
162extern FILE *fopen(const char *, const char *);
163extern FILE *fdopen(int, const char *);
164extern int fclose(FILE *);
165
166extern size_t fread(void *, size_t, size_t, FILE *);
167extern size_t fwrite(const void *, size_t, size_t, FILE *);
168
169extern int fseek(FILE *, off64_t, int);
170extern void rewind(FILE *);
171extern off64_t ftell(FILE *);
172extern int feof(FILE *);
173extern int fileno(FILE *);
174
175extern int fflush(FILE *);
176extern int ferror(FILE *);
177extern void clearerr(FILE *);
178
179extern void setvbuf(FILE *, void *, int, size_t);
180
181/* Misc file functions */
182extern int rename(const char *, const char *);
183
184#endif
185
186/** @}
187 */
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