source: mainline/uspace/lib/libc/include/stdio.h@ a47d49f

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since a47d49f was db24058, checked in by Martin Decky <martin@…>, 16 years ago

small fixes and coding style changes related to the new memory allocator
  • Property mode set to 100644
File size: 3.9 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 <string.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 #define SEEK_CUR 1
59 #define SEEK_END 2
60#endif
61
62enum _buffer_type {
63 /** No buffering */
64 _IONBF,
65 /** Line buffering */
66 _IOLBF,
67 /** Full buffering */
68 _IOFBF
69};
70
71typedef struct {
72 /** Linked list pointer. */
73 link_t link;
74
75 /** Underlying file descriptor. */
76 int fd;
77
78 /** Error indicator. */
79 int error;
80
81 /** End-of-file indicator. */
82 int eof;
83
84 /** Klog indicator */
85 int klog;
86
87 /** Phone to the file provider */
88 int phone;
89
90 /** Buffering type */
91 enum _buffer_type btype;
92 /** Buffer */
93 uint8_t *buf;
94 /** Buffer size */
95 size_t buf_size;
96 /** Buffer I/O pointer */
97 uint8_t *buf_head;
98} FILE;
99
100extern FILE *stdin;
101extern FILE *stdout;
102extern FILE *stderr;
103
104/* Character and string input functions */
105extern int fgetc(FILE *);
106extern char *fgets(char *, size_t, FILE *);
107
108extern int getchar(void);
109extern char *gets(char *, size_t);
110
111/* Character and string output functions */
112extern int fputc(wchar_t, FILE *);
113extern int fputs(const char *, FILE *);
114
115extern int putchar(wchar_t);
116extern int puts(const char *);
117
118/* Formatted string output functions */
119extern int fprintf(FILE *, const char*, ...);
120extern int vfprintf(FILE *, const char *, va_list);
121
122extern int printf(const char *, ...);
123extern int vprintf(const char *, va_list);
124
125extern int snprintf(char *, size_t , const char *, ...);
126extern int asprintf(char **, const char *, ...);
127extern int vsnprintf(char *, size_t, const char *, va_list);
128
129/* File stream functions */
130extern FILE *fopen(const char *, const char *);
131extern FILE *fdopen(int, const char *);
132extern int fclose(FILE *);
133
134extern size_t fread(void *, size_t, size_t, FILE *);
135extern size_t fwrite(const void *, size_t, size_t, FILE *);
136
137extern int fseek(FILE *, long, int);
138extern void rewind(FILE *);
139extern int ftell(FILE *);
140extern int feof(FILE *);
141
142extern int fflush(FILE *);
143extern int ferror(FILE *);
144extern void clearerr(FILE *);
145
146extern void setvbuf(FILE *, void *, int, size_t);
147
148/* Misc file functions */
149extern int rename(const char *, const char *);
150
151#endif
152
153/** @}
154 */
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